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jdanek pushed a commit to branch main
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The following commit(s) were added to refs/heads/main by this push:
     new 6e855af  NO-JIRA Upgrade doctest.h: 2.4.7 -> 2.4.8 (#1505)
6e855af is described below

commit 6e855af88bb8ac65a8291e0a462520810e55bf22
Author: Jiri DanÄ›k <[email protected]>
AuthorDate: Sat Jan 29 17:52:48 2022 +0100

    NO-JIRA Upgrade doctest.h: 2.4.7 -> 2.4.8 (#1505)
---
 tests/c_unittests/doctest.h | 988 +++++++++++++++++++++++---------------------
 1 file changed, 527 insertions(+), 461 deletions(-)

diff --git a/tests/c_unittests/doctest.h b/tests/c_unittests/doctest.h
index cd5b44d..d25f526 100644
--- a/tests/c_unittests/doctest.h
+++ b/tests/c_unittests/doctest.h
@@ -11,7 +11,7 @@
 // https://opensource.org/licenses/MIT
 //
 // The documentation can be found at the library's page:
-// https://github.com/onqtam/doctest/blob/master/doc/markdown/readme.md
+// https://github.com/doctest/doctest/blob/master/doc/markdown/readme.md
 //
 // 
=================================================================================================
 // 
=================================================================================================
@@ -48,8 +48,16 @@
 
 #define DOCTEST_VERSION_MAJOR 2
 #define DOCTEST_VERSION_MINOR 4
-#define DOCTEST_VERSION_PATCH 7
-#define DOCTEST_VERSION_STR "2.4.7"
+#define DOCTEST_VERSION_PATCH 8
+
+// util we need here
+#define DOCTEST_TOSTR_IMPL(x) #x
+#define DOCTEST_TOSTR(x) DOCTEST_TOSTR_IMPL(x)
+
+#define DOCTEST_VERSION_STR                                                    
                    \
+    DOCTEST_TOSTR(DOCTEST_VERSION_MAJOR) "."                                   
                    \
+    DOCTEST_TOSTR(DOCTEST_VERSION_MINOR) "."                                   
                    \
+    DOCTEST_TOSTR(DOCTEST_VERSION_PATCH)
 
 #define DOCTEST_VERSION                                                        
                    \
     (DOCTEST_VERSION_MAJOR * 10000 + DOCTEST_VERSION_MINOR * 100 + 
DOCTEST_VERSION_PATCH)
@@ -137,86 +145,93 @@
 // == COMPILER WARNINGS 
============================================================================
 // 
=================================================================================================
 
+// both the header and the implementation suppress all of these,
+// so it only makes sense to aggregrate them like so
+#define DOCTEST_SUPPRESS_COMMON_WARNINGS_PUSH                                  
                    \
+    DOCTEST_CLANG_SUPPRESS_WARNING_PUSH                                        
                    \
+    DOCTEST_CLANG_SUPPRESS_WARNING("-Wunknown-pragmas")                        
                    \
+    DOCTEST_CLANG_SUPPRESS_WARNING("-Wweak-vtables")                           
                    \
+    DOCTEST_CLANG_SUPPRESS_WARNING("-Wpadded")                                 
                    \
+    DOCTEST_CLANG_SUPPRESS_WARNING("-Wmissing-prototypes")                     
                    \
+    DOCTEST_CLANG_SUPPRESS_WARNING("-Wunused-local-typedef")                   
                    \
+    DOCTEST_CLANG_SUPPRESS_WARNING("-Wc++98-compat")                           
                    \
+    DOCTEST_CLANG_SUPPRESS_WARNING("-Wc++98-compat-pedantic")                  
                    \
+                                                                               
                    \
+    DOCTEST_GCC_SUPPRESS_WARNING_PUSH                                          
                    \
+    DOCTEST_GCC_SUPPRESS_WARNING("-Wunknown-pragmas")                          
                    \
+    DOCTEST_GCC_SUPPRESS_WARNING("-Wpragmas")                                  
                    \
+    DOCTEST_GCC_SUPPRESS_WARNING("-Weffc++")                                   
                    \
+    DOCTEST_GCC_SUPPRESS_WARNING("-Wstrict-overflow")                          
                    \
+    DOCTEST_GCC_SUPPRESS_WARNING("-Wstrict-aliasing")                          
                    \
+    DOCTEST_GCC_SUPPRESS_WARNING("-Wmissing-declarations")                     
                    \
+    DOCTEST_GCC_SUPPRESS_WARNING("-Wunused-local-typedefs")                    
                    \
+    DOCTEST_GCC_SUPPRESS_WARNING("-Wuseless-cast")                             
                    \
+    DOCTEST_GCC_SUPPRESS_WARNING("-Wnoexcept")                                 
                    \
+                                                                               
                    \
+    DOCTEST_MSVC_SUPPRESS_WARNING_PUSH                                         
                    \
+    /* these 4 also disabled globally via cmake: */                            
                    \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4514) /* unreferenced inline function has 
been removed */        \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4571) /* SEH related */                      
                    \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4710) /* function not inlined */             
                    \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4711) /* function selected for inline 
expansion*/                \
+    /* */                                                                      
                    \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4616) /* invalid compiler warning */         
                    \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4619) /* invalid compiler warning */         
                    \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4996) /* The compiler encountered a 
deprecated declaration */    \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4706) /* assignment within conditional 
expression */             \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4512) /* 'class' : assignment operator could 
not be generated */ \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4127) /* conditional expression is constant 
*/                   \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4820) /* padding */                          
                    \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4625) /* copy constructor was implicitly 
deleted */              \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4626) /* assignment operator was implicitly 
deleted */           \
+    DOCTEST_MSVC_SUPPRESS_WARNING(5027) /* move assignment operator implicitly 
deleted */          \
+    DOCTEST_MSVC_SUPPRESS_WARNING(5026) /* move constructor was implicitly 
deleted */              \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4640) /* construction of local static object 
not thread-safe */  \
+    DOCTEST_MSVC_SUPPRESS_WARNING(5045) /* Spectre mitigation for memory load 
*/                   \
+    /* static analysis */                                                      
                    \
+    DOCTEST_MSVC_SUPPRESS_WARNING(26439) /* Function may not throw. Declare it 
'noexcept' */       \
+    DOCTEST_MSVC_SUPPRESS_WARNING(26495) /* Always initialize a member 
variable */                 \
+    DOCTEST_MSVC_SUPPRESS_WARNING(26451) /* Arithmetic overflow ... */         
                    \
+    DOCTEST_MSVC_SUPPRESS_WARNING(26444) /* Avoid unnamed objects with custom 
ctor and dtor... */  \
+    DOCTEST_MSVC_SUPPRESS_WARNING(26812) /* Prefer 'enum class' over 'enum' */
+
+#define DOCTEST_SUPPRESS_COMMON_WARNINGS_POP                                   
                    \
+    DOCTEST_CLANG_SUPPRESS_WARNING_POP                                         
                    \
+    DOCTEST_GCC_SUPPRESS_WARNING_POP                                           
                    \
+    DOCTEST_MSVC_SUPPRESS_WARNING_POP
+
+DOCTEST_SUPPRESS_COMMON_WARNINGS_PUSH
+
 DOCTEST_CLANG_SUPPRESS_WARNING_PUSH
-DOCTEST_CLANG_SUPPRESS_WARNING("-Wunknown-pragmas")
 DOCTEST_CLANG_SUPPRESS_WARNING("-Wnon-virtual-dtor")
-DOCTEST_CLANG_SUPPRESS_WARNING("-Wweak-vtables")
-DOCTEST_CLANG_SUPPRESS_WARNING("-Wpadded")
 DOCTEST_CLANG_SUPPRESS_WARNING("-Wdeprecated")
-DOCTEST_CLANG_SUPPRESS_WARNING("-Wmissing-prototypes")
-DOCTEST_CLANG_SUPPRESS_WARNING("-Wunused-local-typedef")
-DOCTEST_CLANG_SUPPRESS_WARNING("-Wc++98-compat")
-DOCTEST_CLANG_SUPPRESS_WARNING("-Wc++98-compat-pedantic")
 
 DOCTEST_GCC_SUPPRESS_WARNING_PUSH
-DOCTEST_GCC_SUPPRESS_WARNING("-Wunknown-pragmas")
-DOCTEST_GCC_SUPPRESS_WARNING("-Wpragmas")
-DOCTEST_GCC_SUPPRESS_WARNING("-Weffc++")
-DOCTEST_GCC_SUPPRESS_WARNING("-Wstrict-overflow")
-DOCTEST_GCC_SUPPRESS_WARNING("-Wstrict-aliasing")
 DOCTEST_GCC_SUPPRESS_WARNING("-Wctor-dtor-privacy")
-DOCTEST_GCC_SUPPRESS_WARNING("-Wmissing-declarations")
 DOCTEST_GCC_SUPPRESS_WARNING("-Wnon-virtual-dtor")
-DOCTEST_GCC_SUPPRESS_WARNING("-Wunused-local-typedefs")
-DOCTEST_GCC_SUPPRESS_WARNING("-Wuseless-cast")
-DOCTEST_GCC_SUPPRESS_WARNING("-Wnoexcept")
 DOCTEST_GCC_SUPPRESS_WARNING("-Wsign-promo")
 
 DOCTEST_MSVC_SUPPRESS_WARNING_PUSH
-DOCTEST_MSVC_SUPPRESS_WARNING(4616) // invalid compiler warning
-DOCTEST_MSVC_SUPPRESS_WARNING(4619) // invalid compiler warning
-DOCTEST_MSVC_SUPPRESS_WARNING(4996) // The compiler encountered a deprecated 
declaration
-DOCTEST_MSVC_SUPPRESS_WARNING(4706) // assignment within conditional expression
-DOCTEST_MSVC_SUPPRESS_WARNING(4512) // 'class' : assignment operator could not 
be generated
-DOCTEST_MSVC_SUPPRESS_WARNING(4127) // conditional expression is constant
-DOCTEST_MSVC_SUPPRESS_WARNING(4820) // padding
-DOCTEST_MSVC_SUPPRESS_WARNING(4625) // copy constructor was implicitly defined 
as deleted
-DOCTEST_MSVC_SUPPRESS_WARNING(4626) // assignment operator was implicitly 
defined as deleted
-DOCTEST_MSVC_SUPPRESS_WARNING(5027) // move assignment operator was implicitly 
defined as deleted
-DOCTEST_MSVC_SUPPRESS_WARNING(5026) // move constructor was implicitly defined 
as deleted
 DOCTEST_MSVC_SUPPRESS_WARNING(4623) // default constructor was implicitly 
defined as deleted
-DOCTEST_MSVC_SUPPRESS_WARNING(4640) // construction of local static object is 
not thread-safe
-DOCTEST_MSVC_SUPPRESS_WARNING(5045) // Spectre mitigation for memory load
-// static analysis
-DOCTEST_MSVC_SUPPRESS_WARNING(26439) // This kind of function may not throw. 
Declare it 'noexcept'
-DOCTEST_MSVC_SUPPRESS_WARNING(26495) // Always initialize a member variable
-DOCTEST_MSVC_SUPPRESS_WARNING(26451) // Arithmetic overflow ...
-DOCTEST_MSVC_SUPPRESS_WARNING(26444) // Avoid unnamed objects with custom 
construction and dtr...
-DOCTEST_MSVC_SUPPRESS_WARNING(26812) // Prefer 'enum class' over 'enum'
-
-// 4548 - expression before comma has no effect; expected expression with side 
- effect
-// 4265 - class has virtual functions, but destructor is not virtual
-// 4986 - exception specification does not match previous declaration
-// 4350 - behavior change: 'member1' called instead of 'member2'
-// 4668 - 'x' is not defined as a preprocessor macro, replacing with '0' for 
'#if/#elif'
-// 4365 - conversion from 'int' to 'unsigned long', signed/unsigned mismatch
-// 4774 - format string expected in argument 'x' is not a string literal
-// 4820 - padding in structs
-
-// only 4 should be disabled globally:
-// - 4514 # unreferenced inline function has been removed
-// - 4571 # SEH related
-// - 4710 # function not inlined
-// - 4711 # function 'x' selected for automatic inline expansion
 
 #define DOCTEST_MAKE_STD_HEADERS_CLEAN_FROM_WARNINGS_ON_WALL_BEGIN             
                    \
     DOCTEST_MSVC_SUPPRESS_WARNING_PUSH                                         
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(4548)                                        
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(4265)                                        
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(4986)                                        
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(4350)                                        
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(4668)                                        
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(4365)                                        
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(4774)                                        
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(4820)                                        
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(4625)                                        
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(4626)                                        
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(5027)                                        
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(5026)                                        
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(4623)                                        
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(5039)                                        
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(5045)                                        
                    \
-    DOCTEST_MSVC_SUPPRESS_WARNING(5105)
+    DOCTEST_MSVC_SUPPRESS_WARNING(4548) /* before comma no effect; expected 
side - effect */       \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4265) /* virtual functions, but destructor 
is not virtual */     \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4986) /* exception specification does not 
match previous */      \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4350) /* 'member1' called instead of 
'member2' */                \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4668) /* not defined as a preprocessor macro 
*/                  \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4365) /* signed/unsigned mismatch */         
                    \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4774) /* format string not a string literal 
*/                   \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4820) /* padding */                          
                    \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4625) /* copy constructor was implicitly 
deleted */              \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4626) /* assignment operator was implicitly 
deleted */           \
+    DOCTEST_MSVC_SUPPRESS_WARNING(5027) /* move assignment operator implicitly 
deleted */          \
+    DOCTEST_MSVC_SUPPRESS_WARNING(5026) /* move constructor was implicitly 
deleted */              \
+    DOCTEST_MSVC_SUPPRESS_WARNING(4623) /* default constructor was implicitly 
deleted */           \
+    DOCTEST_MSVC_SUPPRESS_WARNING(5039) /* pointer to pot. throwing function 
passed to extern C */ \
+    DOCTEST_MSVC_SUPPRESS_WARNING(5045) /* Spectre mitigation for memory load 
*/                   \
+    DOCTEST_MSVC_SUPPRESS_WARNING(5105) /* macro producing 'defined' has 
undefined behavior */
 
 #define DOCTEST_MAKE_STD_HEADERS_CLEAN_FROM_WARNINGS_ON_WALL_END 
DOCTEST_MSVC_SUPPRESS_WARNING_POP
 
@@ -229,6 +244,7 @@ DOCTEST_MSVC_SUPPRESS_WARNING(26812) // Prefer 'enum class' 
over 'enum'
 // GCC C++11 feature support table: 
https://gcc.gnu.org/projects/cxx-status.html
 // MSVC version table:
 // 
https://en.wikipedia.org/wiki/Microsoft_Visual_C%2B%2B#Internal_version_numbering
+// MSVC++ 14.3 (17) _MSC_VER == 1930 (Visual Studio 2022)
 // MSVC++ 14.2 (16) _MSC_VER == 1920 (Visual Studio 2019)
 // MSVC++ 14.1 (15) _MSC_VER == 1910 (Visual Studio 2017)
 // MSVC++ 14.0      _MSC_VER == 1900 (Visual Studio 2015)
@@ -238,6 +254,10 @@ DOCTEST_MSVC_SUPPRESS_WARNING(26812) // Prefer 'enum 
class' over 'enum'
 // MSVC++ 9.0       _MSC_VER == 1500 (Visual Studio 2008)
 // MSVC++ 8.0       _MSC_VER == 1400 (Visual Studio 2005)
 
+// Universal Windows Platform support
+#if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_APP)
+#define DOCTEST_CONFIG_NO_WINDOWS_SEH
+#endif // WINAPI_FAMILY
 #if DOCTEST_MSVC && !defined(DOCTEST_CONFIG_WINDOWS_SEH)
 #define DOCTEST_CONFIG_WINDOWS_SEH
 #endif // MSVC
@@ -349,8 +369,6 @@ DOCTEST_MSVC_SUPPRESS_WARNING(26812) // Prefer 'enum class' 
over 'enum'
 #define DOCTEST_ANONYMOUS(x) DOCTEST_CAT(x, __LINE__)
 #endif // __COUNTER__
 
-#define DOCTEST_TOSTR(x) #x
-
 #ifndef DOCTEST_CONFIG_ASSERTION_PARAMETERS_BY_VALUE
 #define DOCTEST_REF_WRAP(x) x&
 #else // DOCTEST_CONFIG_ASSERTION_PARAMETERS_BY_VALUE
@@ -368,11 +386,14 @@ DOCTEST_MSVC_SUPPRESS_WARNING(26812) // Prefer 'enum 
class' over 'enum'
 #define DOCTEST_PLATFORM_LINUX
 #endif // DOCTEST_PLATFORM
 
-#define DOCTEST_GLOBAL_NO_WARNINGS(var)                                        
                    \
+namespace doctest { namespace detail {
+    static DOCTEST_CONSTEXPR int consume(const int*, int) { return 0; }
+}}
+
+#define DOCTEST_GLOBAL_NO_WARNINGS(var, ...)                                   
                    \
     DOCTEST_CLANG_SUPPRESS_WARNING_WITH_PUSH("-Wglobal-constructors")          
                    \
-    DOCTEST_CLANG_SUPPRESS_WARNING("-Wunused-variable")                        
                    \
-    static const int var DOCTEST_UNUSED // 
NOLINT(fuchsia-statically-constructed-objects,cert-err58-cpp)
-#define DOCTEST_GLOBAL_NO_WARNINGS_END() DOCTEST_CLANG_SUPPRESS_WARNING_POP
+    static const int var = doctest::detail::consume(&var, __VA_ARGS__);        
                    \
+    DOCTEST_CLANG_SUPPRESS_WARNING_POP
 
 #ifndef DOCTEST_BREAK_INTO_DEBUGGER
 // should probably take a look at https://github.com/scottt/debugbreak
@@ -407,32 +428,31 @@ DOCTEST_GCC_SUPPRESS_WARNING_POP
 #define DOCTEST_CONFIG_USE_STD_HEADERS
 #endif // DOCTEST_CONFIG_USE_IOSFWD
 
+// for clang - always include ciso646 (which drags some std stuff) because
+// we want to check if we are using libc++ with the _LIBCPP_VERSION macro in
+// which case we don't want to forward declare stuff from std - for reference:
+// https://github.com/doctest/doctest/issues/126
+// https://github.com/doctest/doctest/issues/356
+#if DOCTEST_CLANG
+#include <ciso646>
+#ifdef _LIBCPP_VERSION
+#define DOCTEST_CONFIG_USE_STD_HEADERS
+#endif // _LIBCPP_VERSION
+#endif // clang
+
 #ifdef DOCTEST_CONFIG_USE_STD_HEADERS
 #ifndef DOCTEST_CONFIG_INCLUDE_TYPE_TRAITS
 #define DOCTEST_CONFIG_INCLUDE_TYPE_TRAITS
 #endif // DOCTEST_CONFIG_INCLUDE_TYPE_TRAITS
-#include <iosfwd>
 #include <cstddef>
 #include <ostream>
+#include <istream>
 #else // DOCTEST_CONFIG_USE_STD_HEADERS
 
-#if DOCTEST_CLANG
-// to detect if libc++ is being used with clang (the _LIBCPP_VERSION 
identifier)
-#include <ciso646>
-#endif // clang
-
-#ifdef _LIBCPP_VERSION
-#define DOCTEST_STD_NAMESPACE_BEGIN _LIBCPP_BEGIN_NAMESPACE_STD
-#define DOCTEST_STD_NAMESPACE_END _LIBCPP_END_NAMESPACE_STD
-#else // _LIBCPP_VERSION
-#define DOCTEST_STD_NAMESPACE_BEGIN namespace std {
-#define DOCTEST_STD_NAMESPACE_END }
-#endif // _LIBCPP_VERSION
-
 // Forward declaring 'X' in namespace std is not permitted by the C++ Standard.
 DOCTEST_MSVC_SUPPRESS_WARNING_WITH_PUSH(4643)
 
-DOCTEST_STD_NAMESPACE_BEGIN // NOLINT (cert-dcl58-cpp)
+namespace std { // NOLINT (cert-dcl58-cpp)
 typedef decltype(nullptr) nullptr_t;
 template <class charT>
 struct char_traits;
@@ -441,19 +461,20 @@ struct char_traits<char>;
 template <class charT, class traits>
 class basic_ostream;
 typedef basic_ostream<char, char_traits<char>> ostream;
+template <class charT, class traits>
+class basic_istream;
+typedef basic_istream<char, char_traits<char>> istream;
 template <class... Types>
 class tuple;
 #if DOCTEST_MSVC >= DOCTEST_COMPILER(19, 20, 0)
-DOCTEST_CLANG_SUPPRESS_WARNING_WITH_PUSH("-Wreserved-identifier")
-// see this issue on why this is needed: 
https://github.com/onqtam/doctest/issues/183
-template <class _Ty>
+// see this issue on why this is needed: 
https://github.com/doctest/doctest/issues/183
+template <class Ty>
 class allocator;
-template <class _Elem, class _Traits, class _Alloc>
+template <class Elem, class Traits, class Alloc>
 class basic_string;
 using string = basic_string<char, char_traits<char>, allocator<char>>;
-DOCTEST_CLANG_SUPPRESS_WARNING_POP
 #endif // VS 2019
-DOCTEST_STD_NAMESPACE_END
+} // namespace std
 
 DOCTEST_MSVC_SUPPRESS_WARNING_POP
 
@@ -505,6 +526,8 @@ class DOCTEST_INTERFACE String
         view data;
     };
 
+    char* allocate(unsigned sz);
+
     bool isOnStack() const { return (buf[last] & 128) == 0; }
     void setOnHeap();
     void setLast(unsigned in = last);
@@ -519,6 +542,8 @@ public:
     String(const char* in);
     String(const char* in, unsigned in_size);
 
+    String(std::istream& in, unsigned in_size);
+
     String(const String& other);
     String& operator=(const String& other);
 
@@ -865,10 +890,8 @@ namespace detail {
     template<class T>
     using has_insertion_operator = has_insertion_operator_impl::check<const T>;
 
-    DOCTEST_INTERFACE void my_memcpy(void* dest, const void* src, unsigned 
num);
-
-    DOCTEST_INTERFACE std::ostream* getTlsOss(bool reset=true); // returns a 
thread-local ostringstream
-    DOCTEST_INTERFACE String getTlsOssResult();
+    DOCTEST_INTERFACE std::ostream* tlssPush();
+    DOCTEST_INTERFACE String tlssPop();
 
 
     template <bool C>
@@ -884,38 +907,40 @@ namespace detail {
     template<typename T>
     struct filldata
     {
-        static void fill(const  T &in) {
-          *getTlsOss() << in;
+        static void fill(std::ostream* stream, const T &in) {
+          *stream << in;
         }
     };
 
-    /* This method can be chained */
     template<typename T,unsigned long N>
-    void fillstream(const T (&in)[N] ) {
-        for(unsigned long i = 0; i < N; i++) {
-            *getTlsOss(false) << in[i];
+    struct filldata<T[N]>
+    {
+        static void fill(std::ostream* stream, const T (&in)[N]) {
+            for (unsigned long i = 0; i < N; i++) {
+                *stream << in[i];
+            }
         }
-    }
+    };
 
-    template<typename T,unsigned long N>
-    struct filldata<T[N]>
+    // Specialized since we don't want the terminating null byte!
+    template<unsigned long N>
+    struct filldata<const char[N]>
     {
-        static void fill(const T (&in)[N]) {
-                    fillstream(in);
-                    *getTlsOss(false)<<"";
+        static void fill(std::ostream* stream, const char(&in)[N]) {
+            *stream << in;
         }
     };
 
     template<typename T>
-    void filloss(const T& in){
-       filldata<T>::fill(in);
+    void filloss(std::ostream* stream, const T& in) {
+        filldata<T>::fill(stream, in);
     }
 
     template<typename T,unsigned long N>
-    void filloss(const T (&in)[N]) {
-       // T[N], T(&)[N], T(&&)[N] have same behaviour.
+    void filloss(std::ostream* stream, const T (&in)[N]) {
+        // T[N], T(&)[N], T(&&)[N] have same behaviour.
         // Hence remove reference.
-       filldata<typename remove_reference <decltype(in)>::type >::fill(in);
+        filldata<typename remove_reference<decltype(in)>::type>::fill(stream, 
in);
     }
 
     template <>
@@ -924,14 +949,15 @@ namespace detail {
         template <typename T>
         static String convert(const DOCTEST_REF_WRAP(T) in) {
             /* When parameter "in" is a null terminated const char* it works.
-            * When parameter "in" is a T arr[N] without '\0' we can fill the
+             * When parameter "in" is a T arr[N] without '\0' we can fill the
              * stringstream with N objects (T=char).If in is char pointer *
              * without '\0' , it would cause segfault
-            * stepping over unaccessible memory.
+             * stepping over unaccessible memory.
              */
 
-            filloss(in);
-            return getTlsOssResult();
+            std::ostream* stream = tlssPush();
+            filloss(stream, in);
+            return tlssPop();
         }
     };
 
@@ -1007,7 +1033,7 @@ String toString(const DOCTEST_REF_WRAP(T) value) {
 }
 
 #if DOCTEST_MSVC >= DOCTEST_COMPILER(19, 20, 0)
-// see this issue on why this is needed: 
https://github.com/onqtam/doctest/issues/183
+// see this issue on why this is needed: 
https://github.com/doctest/doctest/issues/183
 DOCTEST_INTERFACE String toString(const std::string& in);
 #endif // VS 2019
 
@@ -1154,17 +1180,17 @@ 
DOCTEST_CLANG_SUPPRESS_WARNING_WITH_PUSH("-Wunused-comparison")
 
 #define DOCTEST_DO_BINARY_EXPRESSION_COMPARISON(op, op_str, op_macro)          
                    \
     template <typename R>                                                      
                    \
-    DOCTEST_NOINLINE SFINAE_OP(Result,op) operator op(const R&& rhs) {         
    \
+    DOCTEST_NOINLINE SFINAE_OP(Result,op) operator op(const R&& rhs) {         
                    \
     bool res = op_macro(doctest::detail::forward<const L>(lhs), 
doctest::detail::forward<const R>(rhs));                                        
                     \
         if(m_at & assertType::is_false)                                        
                    \
             res = !res;                                                        
                    \
         if(!res || doctest::getContextOptions()->success)                      
                    \
             return Result(res, stringifyBinaryExpr(lhs, op_str, rhs));         
                    \
         return Result(res);                                                    
                    \
-    }                                                                          
                   \
-    template <typename R ,typename enable_if<  
!doctest::detail::is_rvalue_reference<R>::value   , void >::type* = nullptr>    
                                     \
-    DOCTEST_NOINLINE SFINAE_OP(Result,op) operator op(const R& rhs) {          
   \
-    bool res = op_macro(doctest::detail::forward<const L>(lhs), 
doctest::detail::forward<const R>(rhs));                                        
                     \
+    }                                                                          
                    \
+    template <typename R ,typename 
enable_if<!doctest::detail::is_rvalue_reference<R>::value, void >::type* = 
nullptr> \
+    DOCTEST_NOINLINE SFINAE_OP(Result,op) operator op(const R& rhs) {          
                    \
+    bool res = op_macro(doctest::detail::forward<const L>(lhs), rhs);          
                    \
         if(m_at & assertType::is_false)                                        
                    \
             res = !res;                                                        
                    \
         if(!res || doctest::getContextOptions()->success)                      
                    \
@@ -1172,7 +1198,6 @@ 
DOCTEST_CLANG_SUPPRESS_WARNING_WITH_PUSH("-Wunused-comparison")
         return Result(res);                                                    
                    \
     }
 
-
     // more checks could be added - like in Catch:
     // https://github.com/catchorg/Catch2/pull/1480/files
     // https://github.com/catchorg/Catch2/pull/1481/files
@@ -1299,8 +1324,7 @@ 
DOCTEST_CLANG_SUPPRESS_WARNING_WITH_PUSH("-Wunused-comparison")
                 , m_at(at) {}
 
         DOCTEST_NOINLINE operator Result() {
-// this is needed only for MSVC 2015:
-// https://ci.appveyor.com/project/onqtam/doctest/builds/38181202
+// this is needed only for MSVC 2015
 DOCTEST_MSVC_SUPPRESS_WARNING_WITH_PUSH(4800) // 'int': forcing value to bool
             bool res = static_cast<bool>(lhs);
 DOCTEST_MSVC_SUPPRESS_WARNING_POP
@@ -1312,9 +1336,8 @@ DOCTEST_MSVC_SUPPRESS_WARNING_POP
             return Result(res);
         }
 
-       /* This is required for user-defined conversions from Expression_lhs to 
L */
-       //operator L() const { return lhs; }
-       operator L() const { return lhs; }
+        /* This is required for user-defined conversions from Expression_lhs 
to L */
+        operator L() const { return lhs; }
 
         // clang-format off
         DOCTEST_DO_BINARY_EXPRESSION_COMPARISON(==, " == ", DOCTEST_CMP_EQ) 
//!OCLINT bitwise operator in conditional
@@ -1371,12 +1394,12 @@ DOCTEST_CLANG_SUPPRESS_WARNING_POP
         // https://github.com/catchorg/Catch2/issues/870
         // https://github.com/catchorg/Catch2/issues/565
         template <typename L>
-       Expression_lhs<const L> operator<<(const L &&operand) {
+        Expression_lhs<const L> operator<<(const L &&operand) {
             return Expression_lhs<const L>(doctest::detail::forward<const 
L>(operand), m_at);
         }
 
         template <typename L,typename 
enable_if<!doctest::detail::is_rvalue_reference<L>::value,void >::type* = 
nullptr>
-       Expression_lhs<const L&> operator<<(const L &operand) {
+        Expression_lhs<const L&> operator<<(const L &operand) {
             return Expression_lhs<const L&>(operand, m_at);
         }
     };
@@ -1474,15 +1497,16 @@ DOCTEST_CLANG_SUPPRESS_WARNING_POP
         void setResult(const Result& res);
 
         template <int comparison, typename L, typename R>
-        DOCTEST_NOINLINE void binary_assert(const DOCTEST_REF_WRAP(L) lhs,
+        DOCTEST_NOINLINE bool binary_assert(const DOCTEST_REF_WRAP(L) lhs,
                                             const DOCTEST_REF_WRAP(R) rhs) {
             m_failed = !RelationalComparator<comparison, L, R>()(lhs, rhs);
             if(m_failed || getContextOptions()->success)
                 m_decomp = stringifyBinaryExpr(lhs, ", ", rhs);
+            return !m_failed;
         }
 
         template <typename L>
-        DOCTEST_NOINLINE void unary_assert(const DOCTEST_REF_WRAP(L) val) {
+        DOCTEST_NOINLINE bool unary_assert(const DOCTEST_REF_WRAP(L) val) {
             m_failed = !val;
 
             if(m_at & assertType::is_false) //!OCLINT bitwise operator in 
conditional
@@ -1490,6 +1514,8 @@ DOCTEST_CLANG_SUPPRESS_WARNING_POP
 
             if(m_failed || getContextOptions()->success)
                 m_decomp = toString(val);
+
+            return !m_failed;
         }
 
         void translateException();
@@ -1509,7 +1535,7 @@ DOCTEST_CLANG_SUPPRESS_WARNING_POP
 
     DOCTEST_INTERFACE void failed_out_of_a_testing_context(const AssertData& 
ad);
 
-    DOCTEST_INTERFACE void decomp_assert(assertType::Enum at, const char* 
file, int line,
+    DOCTEST_INTERFACE bool decomp_assert(assertType::Enum at, const char* 
file, int line,
                                          const char* expr, Result result);
 
 #define DOCTEST_ASSERT_OUT_OF_TESTS(decomp)                                    
                    \
@@ -1525,7 +1551,7 @@ DOCTEST_CLANG_SUPPRESS_WARNING_POP
                 if(checkIfShouldThrow(at))                                     
                    \
                     throwException();                                          
                    \
             }                                                                  
                    \
-            return;                                                            
                    \
+            return !failed;                                                    
                    \
         }                                                                      
                    \
     } while(false)
 
@@ -1540,7 +1566,7 @@ DOCTEST_CLANG_SUPPRESS_WARNING_POP
     throwException()
 
     template <int comparison, typename L, typename R>
-    DOCTEST_NOINLINE void binary_assert(assertType::Enum at, const char* file, 
int line,
+    DOCTEST_NOINLINE bool binary_assert(assertType::Enum at, const char* file, 
int line,
                                         const char* expr, const 
DOCTEST_REF_WRAP(L) lhs,
                                         const DOCTEST_REF_WRAP(R) rhs) {
         bool failed = !RelationalComparator<comparison, L, R>()(lhs, rhs);
@@ -1551,10 +1577,11 @@ DOCTEST_CLANG_SUPPRESS_WARNING_POP
         // 
###################################################################################
         DOCTEST_ASSERT_OUT_OF_TESTS(stringifyBinaryExpr(lhs, ", ", rhs));
         DOCTEST_ASSERT_IN_TESTS(stringifyBinaryExpr(lhs, ", ", rhs));
+        return !failed;
     }
 
     template <typename L>
-    DOCTEST_NOINLINE void unary_assert(assertType::Enum at, const char* file, 
int line,
+    DOCTEST_NOINLINE bool unary_assert(assertType::Enum at, const char* file, 
int line,
                                        const char* expr, const 
DOCTEST_REF_WRAP(L) val) {
         bool failed = !val;
 
@@ -1567,6 +1594,7 @@ DOCTEST_CLANG_SUPPRESS_WARNING_POP
         // 
###################################################################################
         DOCTEST_ASSERT_OUT_OF_TESTS(toString(val));
         DOCTEST_ASSERT_IN_TESTS(toString(val));
+        return !failed;
     }
 
     struct DOCTEST_INTERFACE IExceptionTranslator
@@ -1687,6 +1715,7 @@ DOCTEST_CLANG_SUPPRESS_WARNING_POP
     struct DOCTEST_INTERFACE MessageBuilder : public MessageData
     {
         std::ostream* m_stream;
+        bool          logged = false;
 
         MessageBuilder(const char* file, int line, assertType::Enum severity);
         MessageBuilder() = delete;
@@ -1921,10 +1950,11 @@ int registerReporter(const char* name, int priority, 
bool isReporter) {
 #if !defined(DOCTEST_CONFIG_DISABLE)
 
 // common code in asserts - for convenience
-#define DOCTEST_ASSERT_LOG_AND_REACT(b)                                        
                    \
+#define DOCTEST_ASSERT_LOG_REACT_RETURN(b)                                     
                    \
     if(b.log())                                                                
                    \
         DOCTEST_BREAK_INTO_DEBUGGER();                                         
                    \
-    b.react()
+    b.react(); \
+    return !b.m_failed
 
 #ifdef DOCTEST_CONFIG_NO_TRY_CATCH_IN_ASSERTS
 #define DOCTEST_WRAP_IN_TRY(x) x;
@@ -1946,13 +1976,12 @@ int registerReporter(const char* name, int priority, 
bool isReporter) {
 
 // registers the test by initializing a dummy var with a function
 #define DOCTEST_REGISTER_FUNCTION(global_prefix, f, decorators)                
                    \
-    global_prefix 
DOCTEST_GLOBAL_NO_WARNINGS(DOCTEST_ANONYMOUS(DOCTEST_ANON_VAR_)) =              
 \
+    global_prefix 
DOCTEST_GLOBAL_NO_WARNINGS(DOCTEST_ANONYMOUS(DOCTEST_ANON_VAR_),                
 \
             doctest::detail::regTest(                                          
                    \
                     doctest::detail::TestCase(                                 
                    \
                             f, __FILE__, __LINE__,                             
                    \
                             
doctest_detail_test_suite_ns::getCurrentTestSuite()) *                 \
-                    decorators);                                               
                    \
-    DOCTEST_GLOBAL_NO_WARNINGS_END()
+                    decorators))
 
 #define DOCTEST_IMPLEMENT_FIXTURE(der, base, func, decorators)                 
                    \
     namespace {                                                                
                    \
@@ -2009,7 +2038,7 @@ int registerReporter(const char* name, int priority, bool 
isReporter) {
             DOCTEST_TYPE_TO_STRING_IMPL(__VA_ARGS__)                           
                    \
         }                                                                      
                    \
     }                                                                          
                    \
-    typedef int DOCTEST_ANONYMOUS(DOCTEST_ANON_FOR_SEMICOLON_)
+    static_assert(true, "")
 
 #define DOCTEST_TEST_CASE_TEMPLATE_DEFINE_IMPL(dec, T, iter, func)             
                    \
     template <typename T>                                                      
                    \
@@ -2043,17 +2072,17 @@ int registerReporter(const char* name, int priority, 
bool isReporter) {
                                            
DOCTEST_ANONYMOUS(DOCTEST_ANON_TMP_))
 
 #define DOCTEST_TEST_CASE_TEMPLATE_INSTANTIATE_IMPL(id, anon, ...)             
                    \
-    DOCTEST_GLOBAL_NO_WARNINGS(DOCTEST_CAT(anon, DUMMY)) =                     
                    \
-        doctest::detail::instantiationHelper(DOCTEST_CAT(id, 
ITERATOR)<__VA_ARGS__>(__FILE__, __LINE__, 0));\
-    DOCTEST_GLOBAL_NO_WARNINGS_END()
+    DOCTEST_GLOBAL_NO_WARNINGS(DOCTEST_CAT(anon, DUMMY),                       
                    \
+        doctest::detail::instantiationHelper(                                  
                    \
+            DOCTEST_CAT(id, ITERATOR)<__VA_ARGS__>(__FILE__, __LINE__, 0)))
 
 #define DOCTEST_TEST_CASE_TEMPLATE_INVOKE(id, ...)                             
                    \
     DOCTEST_TEST_CASE_TEMPLATE_INSTANTIATE_IMPL(id, 
DOCTEST_ANONYMOUS(DOCTEST_ANON_TMP_), std::tuple<__VA_ARGS__>) \
-    typedef int DOCTEST_ANONYMOUS(DOCTEST_ANON_FOR_SEMICOLON_)
+    static_assert(true, "")
 
 #define DOCTEST_TEST_CASE_TEMPLATE_APPLY(id, ...)                              
                    \
     DOCTEST_TEST_CASE_TEMPLATE_INSTANTIATE_IMPL(id, 
DOCTEST_ANONYMOUS(DOCTEST_ANON_TMP_), __VA_ARGS__) \
-    typedef int DOCTEST_ANONYMOUS(DOCTEST_ANON_FOR_SEMICOLON_)
+    static_assert(true, "")
 
 #define DOCTEST_TEST_CASE_TEMPLATE_IMPL(dec, T, anon, ...)                     
                    \
     DOCTEST_TEST_CASE_TEMPLATE_DEFINE_IMPL(dec, T, DOCTEST_CAT(anon, 
ITERATOR), anon);             \
@@ -2096,24 +2125,21 @@ int registerReporter(const char* name, int priority, 
bool isReporter) {
 
 // for starting a testsuite block
 #define DOCTEST_TEST_SUITE_BEGIN(decorators)                                   
                    \
-    DOCTEST_GLOBAL_NO_WARNINGS(DOCTEST_ANONYMOUS(DOCTEST_ANON_VAR_)) =         
                    \
-            doctest::detail::setTestSuite(doctest::detail::TestSuite() * 
decorators);              \
-    DOCTEST_GLOBAL_NO_WARNINGS_END()                                           
                    \
-    typedef int DOCTEST_ANONYMOUS(DOCTEST_ANON_FOR_SEMICOLON_)
+    DOCTEST_GLOBAL_NO_WARNINGS(DOCTEST_ANONYMOUS(DOCTEST_ANON_VAR_),           
                    \
+            doctest::detail::setTestSuite(doctest::detail::TestSuite() * 
decorators))              \
+    static_assert(true, "")
 
 // for ending a testsuite block
 #define DOCTEST_TEST_SUITE_END                                                 
                    \
-    DOCTEST_GLOBAL_NO_WARNINGS(DOCTEST_ANONYMOUS(DOCTEST_ANON_VAR_)) =         
                    \
-            doctest::detail::setTestSuite(doctest::detail::TestSuite() * "");  
                    \
-    DOCTEST_GLOBAL_NO_WARNINGS_END()                                           
                    \
+    DOCTEST_GLOBAL_NO_WARNINGS(DOCTEST_ANONYMOUS(DOCTEST_ANON_VAR_),           
                    \
+            doctest::detail::setTestSuite(doctest::detail::TestSuite() * ""))  
                    \
     typedef int DOCTEST_ANONYMOUS(DOCTEST_ANON_FOR_SEMICOLON_)
 
 // for registering exception translators
 #define DOCTEST_REGISTER_EXCEPTION_TRANSLATOR_IMPL(translatorName, signature)  
                    \
     inline doctest::String translatorName(signature);                          
                    \
-    DOCTEST_GLOBAL_NO_WARNINGS(DOCTEST_ANONYMOUS(DOCTEST_ANON_TRANSLATOR_)) =  
                    \
-            doctest::registerExceptionTranslator(translatorName);              
                    \
-    DOCTEST_GLOBAL_NO_WARNINGS_END()                                           
                    \
+    DOCTEST_GLOBAL_NO_WARNINGS(DOCTEST_ANONYMOUS(DOCTEST_ANON_TRANSLATOR_),    
                    \
+            doctest::registerExceptionTranslator(translatorName))              
                    \
     doctest::String translatorName(signature)
 
 #define DOCTEST_REGISTER_EXCEPTION_TRANSLATOR(signature)                       
                    \
@@ -2122,15 +2148,15 @@ int registerReporter(const char* name, int priority, 
bool isReporter) {
 
 // for registering reporters
 #define DOCTEST_REGISTER_REPORTER(name, priority, reporter)                    
                    \
-    DOCTEST_GLOBAL_NO_WARNINGS(DOCTEST_ANONYMOUS(DOCTEST_ANON_REPORTER_)) =    
                    \
-            doctest::registerReporter<reporter>(name, priority, true);         
                    \
-    DOCTEST_GLOBAL_NO_WARNINGS_END() typedef int 
DOCTEST_ANONYMOUS(DOCTEST_ANON_FOR_SEMICOLON_)
+    DOCTEST_GLOBAL_NO_WARNINGS(DOCTEST_ANONYMOUS(DOCTEST_ANON_REPORTER_),      
                    \
+            doctest::registerReporter<reporter>(name, priority, true))         
                    \
+    static_assert(true, "")
 
 // for registering listeners
 #define DOCTEST_REGISTER_LISTENER(name, priority, reporter)                    
                    \
-    DOCTEST_GLOBAL_NO_WARNINGS(DOCTEST_ANONYMOUS(DOCTEST_ANON_REPORTER_)) =    
                    \
-            doctest::registerReporter<reporter>(name, priority, false);        
                    \
-    DOCTEST_GLOBAL_NO_WARNINGS_END() typedef int 
DOCTEST_ANONYMOUS(DOCTEST_ANON_FOR_SEMICOLON_)
+    DOCTEST_GLOBAL_NO_WARNINGS(DOCTEST_ANONYMOUS(DOCTEST_ANON_REPORTER_),      
                    \
+            doctest::registerReporter<reporter>(name, priority, false))        
                    \
+    static_assert(true, "")
 
 // clang-format off
 // for logging - disabling formatting because it's important to have these on 
2 separate lines - see PR #557
@@ -2151,11 +2177,13 @@ int registerReporter(const char* name, int priority, 
bool isReporter) {
 #define DOCTEST_CAPTURE(x) DOCTEST_INFO(#x " := ", x)
 
 #define DOCTEST_ADD_AT_IMPL(type, file, line, mb, ...)                         
                    \
-    do {                                                                       
                    \
+    [&] {                                                                      
                    \
         doctest::detail::MessageBuilder mb(file, line, 
doctest::assertType::type);                 \
         mb * __VA_ARGS__;                                                      
                    \
-        DOCTEST_ASSERT_LOG_AND_REACT(mb);                                      
                    \
-    } while(false)
+        if(mb.log())                                                           
                    \
+            DOCTEST_BREAK_INTO_DEBUGGER();                                     
                    \
+        mb.react();                                                            
                    \
+    }()
 
 // clang-format off
 #define DOCTEST_ADD_MESSAGE_AT(file, line, ...) DOCTEST_ADD_AT_IMPL(is_warn, 
file, line, DOCTEST_ANONYMOUS(DOCTEST_MESSAGE_), __VA_ARGS__)
@@ -2178,13 +2206,13 @@ int registerReporter(const char* name, int priority, 
bool isReporter) {
     DOCTEST_WRAP_IN_TRY(DOCTEST_RB.setResult(                                  
                    \
             
doctest::detail::ExpressionDecomposer(doctest::assertType::assert_type)         
       \
             << __VA_ARGS__))                                                   
                    \
-    DOCTEST_ASSERT_LOG_AND_REACT(DOCTEST_RB)                                   
                    \
+    DOCTEST_ASSERT_LOG_REACT_RETURN(DOCTEST_RB)                                
                    \
     DOCTEST_CLANG_SUPPRESS_WARNING_POP
 
 #define DOCTEST_ASSERT_IMPLEMENT_1(assert_type, ...)                           
                    \
-    do {                                                                       
                    \
+    [&] {                                                                      
                    \
         DOCTEST_ASSERT_IMPLEMENT_2(assert_type, __VA_ARGS__);                  
                    \
-    } while(false)
+    }()
 
 #else // DOCTEST_CONFIG_SUPER_FAST_ASSERTS
 
@@ -2208,16 +2236,16 @@ int registerReporter(const char* name, int priority, 
bool isReporter) {
 #define DOCTEST_REQUIRE_FALSE(...) 
DOCTEST_ASSERT_IMPLEMENT_1(DT_REQUIRE_FALSE, __VA_ARGS__)
 
 // clang-format off
-#define DOCTEST_WARN_MESSAGE(cond, ...) do { DOCTEST_INFO(__VA_ARGS__); 
DOCTEST_ASSERT_IMPLEMENT_2(DT_WARN, cond); } while(false)
-#define DOCTEST_CHECK_MESSAGE(cond, ...) do { DOCTEST_INFO(__VA_ARGS__); 
DOCTEST_ASSERT_IMPLEMENT_2(DT_CHECK, cond); } while(false)
-#define DOCTEST_REQUIRE_MESSAGE(cond, ...) do { DOCTEST_INFO(__VA_ARGS__); 
DOCTEST_ASSERT_IMPLEMENT_2(DT_REQUIRE, cond); } while(false)
-#define DOCTEST_WARN_FALSE_MESSAGE(cond, ...) do { DOCTEST_INFO(__VA_ARGS__); 
DOCTEST_ASSERT_IMPLEMENT_2(DT_WARN_FALSE, cond); } while(false)
-#define DOCTEST_CHECK_FALSE_MESSAGE(cond, ...) do { DOCTEST_INFO(__VA_ARGS__); 
DOCTEST_ASSERT_IMPLEMENT_2(DT_CHECK_FALSE, cond); } while(false)
-#define DOCTEST_REQUIRE_FALSE_MESSAGE(cond, ...) do { 
DOCTEST_INFO(__VA_ARGS__); DOCTEST_ASSERT_IMPLEMENT_2(DT_REQUIRE_FALSE, cond); 
} while(false)
+#define DOCTEST_WARN_MESSAGE(cond, ...) [&] {DOCTEST_INFO(__VA_ARGS__); 
DOCTEST_ASSERT_IMPLEMENT_2(DT_WARN, cond); }()
+#define DOCTEST_CHECK_MESSAGE(cond, ...) [&] {DOCTEST_INFO(__VA_ARGS__); 
DOCTEST_ASSERT_IMPLEMENT_2(DT_CHECK, cond); }()
+#define DOCTEST_REQUIRE_MESSAGE(cond, ...) [&] {DOCTEST_INFO(__VA_ARGS__); 
DOCTEST_ASSERT_IMPLEMENT_2(DT_REQUIRE, cond); }()
+#define DOCTEST_WARN_FALSE_MESSAGE(cond, ...) [&] {DOCTEST_INFO(__VA_ARGS__); 
DOCTEST_ASSERT_IMPLEMENT_2(DT_WARN_FALSE, cond); }()
+#define DOCTEST_CHECK_FALSE_MESSAGE(cond, ...) [&] {DOCTEST_INFO(__VA_ARGS__); 
DOCTEST_ASSERT_IMPLEMENT_2(DT_CHECK_FALSE, cond); }()
+#define DOCTEST_REQUIRE_FALSE_MESSAGE(cond, ...) [&] 
{DOCTEST_INFO(__VA_ARGS__); DOCTEST_ASSERT_IMPLEMENT_2(DT_REQUIRE_FALSE, cond); 
}()
 // clang-format on
 
 #define DOCTEST_ASSERT_THROWS_AS(expr, assert_type, message, ...)              
                    \
-    do {                                                                       
                    \
+    [&] {                                                                      
                    \
         if(!doctest::getContextOptions()->no_throw) {                          
                    \
             doctest::detail::ResultBuilder 
DOCTEST_RB(doctest::assertType::assert_type, __FILE__,  \
                                                        __LINE__, #expr, 
#__VA_ARGS__, message);    \
@@ -2228,31 +2256,35 @@ int registerReporter(const char* name, int priority, 
bool isReporter) {
                 DOCTEST_RB.translateException();                               
                    \
                 DOCTEST_RB.m_threw_as = true;                                  
                    \
             } catch(...) { DOCTEST_RB.translateException(); }                  
                    \
-            DOCTEST_ASSERT_LOG_AND_REACT(DOCTEST_RB);                          
                    \
+            DOCTEST_ASSERT_LOG_REACT_RETURN(DOCTEST_RB);                       
                    \
+        } else {                                                               
                    \
+            return false;                                                      
                    \
         }                                                                      
                    \
-    } while(false)
+    }()
 
 #define DOCTEST_ASSERT_THROWS_WITH(expr, expr_str, assert_type, ...)           
                    \
-    do {                                                                       
                    \
+    [&] {                                                                      
                    \
         if(!doctest::getContextOptions()->no_throw) {                          
                    \
             doctest::detail::ResultBuilder 
DOCTEST_RB(doctest::assertType::assert_type, __FILE__,  \
                                                        __LINE__, expr_str, "", 
__VA_ARGS__);       \
             try {                                                              
                    \
                 DOCTEST_CAST_TO_VOID(expr)                                     
                    \
             } catch(...) { DOCTEST_RB.translateException(); }                  
                    \
-            DOCTEST_ASSERT_LOG_AND_REACT(DOCTEST_RB);                          
                    \
+            DOCTEST_ASSERT_LOG_REACT_RETURN(DOCTEST_RB);                       
                    \
+        } else {                                                               
                    \
+           return false;                                                       
                    \
         }                                                                      
                    \
-    } while(false)
+    }()
 
 #define DOCTEST_ASSERT_NOTHROW(assert_type, ...)                               
                    \
-    do {                                                                       
                    \
+    [&] {                                                                      
                    \
         doctest::detail::ResultBuilder 
DOCTEST_RB(doctest::assertType::assert_type, __FILE__,      \
                                                    __LINE__, #__VA_ARGS__);    
                    \
         try {                                                                  
                    \
             DOCTEST_CAST_TO_VOID(__VA_ARGS__)                                  
                    \
         } catch(...) { DOCTEST_RB.translateException(); }                      
                    \
-        DOCTEST_ASSERT_LOG_AND_REACT(DOCTEST_RB);                              
                    \
-    } while(false)
+        DOCTEST_ASSERT_LOG_REACT_RETURN(DOCTEST_RB);                           
                    \
+    }()
 
 // clang-format off
 #define DOCTEST_WARN_THROWS(...) DOCTEST_ASSERT_THROWS_WITH((__VA_ARGS__), 
#__VA_ARGS__, DT_WARN_THROWS, "")
@@ -2275,42 +2307,42 @@ int registerReporter(const char* name, int priority, 
bool isReporter) {
 #define DOCTEST_CHECK_NOTHROW(...) DOCTEST_ASSERT_NOTHROW(DT_CHECK_NOTHROW, 
__VA_ARGS__)
 #define DOCTEST_REQUIRE_NOTHROW(...) 
DOCTEST_ASSERT_NOTHROW(DT_REQUIRE_NOTHROW, __VA_ARGS__)
 
-#define DOCTEST_WARN_THROWS_MESSAGE(expr, ...) do { DOCTEST_INFO(__VA_ARGS__); 
DOCTEST_WARN_THROWS(expr); } while(false)
-#define DOCTEST_CHECK_THROWS_MESSAGE(expr, ...) do { 
DOCTEST_INFO(__VA_ARGS__); DOCTEST_CHECK_THROWS(expr); } while(false)
-#define DOCTEST_REQUIRE_THROWS_MESSAGE(expr, ...) do { 
DOCTEST_INFO(__VA_ARGS__); DOCTEST_REQUIRE_THROWS(expr); } while(false)
-#define DOCTEST_WARN_THROWS_AS_MESSAGE(expr, ex, ...) do { 
DOCTEST_INFO(__VA_ARGS__); DOCTEST_WARN_THROWS_AS(expr, ex); } while(false)
-#define DOCTEST_CHECK_THROWS_AS_MESSAGE(expr, ex, ...) do { 
DOCTEST_INFO(__VA_ARGS__); DOCTEST_CHECK_THROWS_AS(expr, ex); } while(false)
-#define DOCTEST_REQUIRE_THROWS_AS_MESSAGE(expr, ex, ...) do { 
DOCTEST_INFO(__VA_ARGS__); DOCTEST_REQUIRE_THROWS_AS(expr, ex); } while(false)
-#define DOCTEST_WARN_THROWS_WITH_MESSAGE(expr, with, ...) do { 
DOCTEST_INFO(__VA_ARGS__); DOCTEST_WARN_THROWS_WITH(expr, with); } while(false)
-#define DOCTEST_CHECK_THROWS_WITH_MESSAGE(expr, with, ...) do { 
DOCTEST_INFO(__VA_ARGS__); DOCTEST_CHECK_THROWS_WITH(expr, with); } while(false)
-#define DOCTEST_REQUIRE_THROWS_WITH_MESSAGE(expr, with, ...) do { 
DOCTEST_INFO(__VA_ARGS__); DOCTEST_REQUIRE_THROWS_WITH(expr, with); } 
while(false)
-#define DOCTEST_WARN_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) do { 
DOCTEST_INFO(__VA_ARGS__); DOCTEST_WARN_THROWS_WITH_AS(expr, with, ex); } 
while(false)
-#define DOCTEST_CHECK_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) do { 
DOCTEST_INFO(__VA_ARGS__); DOCTEST_CHECK_THROWS_WITH_AS(expr, with, ex); } 
while(false)
-#define DOCTEST_REQUIRE_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) do { 
DOCTEST_INFO(__VA_ARGS__); DOCTEST_REQUIRE_THROWS_WITH_AS(expr, with, ex); } 
while(false)
-#define DOCTEST_WARN_NOTHROW_MESSAGE(expr, ...) do { 
DOCTEST_INFO(__VA_ARGS__); DOCTEST_WARN_NOTHROW(expr); } while(false)
-#define DOCTEST_CHECK_NOTHROW_MESSAGE(expr, ...) do { 
DOCTEST_INFO(__VA_ARGS__); DOCTEST_CHECK_NOTHROW(expr); } while(false)
-#define DOCTEST_REQUIRE_NOTHROW_MESSAGE(expr, ...) do { 
DOCTEST_INFO(__VA_ARGS__); DOCTEST_REQUIRE_NOTHROW(expr); } while(false)
+#define DOCTEST_WARN_THROWS_MESSAGE(expr, ...) [&] {DOCTEST_INFO(__VA_ARGS__); 
DOCTEST_WARN_THROWS(expr); }()
+#define DOCTEST_CHECK_THROWS_MESSAGE(expr, ...) [&] 
{DOCTEST_INFO(__VA_ARGS__); DOCTEST_CHECK_THROWS(expr); }()
+#define DOCTEST_REQUIRE_THROWS_MESSAGE(expr, ...) [&] 
{DOCTEST_INFO(__VA_ARGS__); DOCTEST_REQUIRE_THROWS(expr); }()
+#define DOCTEST_WARN_THROWS_AS_MESSAGE(expr, ex, ...) [&] 
{DOCTEST_INFO(__VA_ARGS__); DOCTEST_WARN_THROWS_AS(expr, ex); }()
+#define DOCTEST_CHECK_THROWS_AS_MESSAGE(expr, ex, ...) [&] 
{DOCTEST_INFO(__VA_ARGS__); DOCTEST_CHECK_THROWS_AS(expr, ex); }()
+#define DOCTEST_REQUIRE_THROWS_AS_MESSAGE(expr, ex, ...) [&] 
{DOCTEST_INFO(__VA_ARGS__); DOCTEST_REQUIRE_THROWS_AS(expr, ex); }()
+#define DOCTEST_WARN_THROWS_WITH_MESSAGE(expr, with, ...) [&] 
{DOCTEST_INFO(__VA_ARGS__); DOCTEST_WARN_THROWS_WITH(expr, with); }()
+#define DOCTEST_CHECK_THROWS_WITH_MESSAGE(expr, with, ...) [&] 
{DOCTEST_INFO(__VA_ARGS__); DOCTEST_CHECK_THROWS_WITH(expr, with); }()
+#define DOCTEST_REQUIRE_THROWS_WITH_MESSAGE(expr, with, ...) [&] 
{DOCTEST_INFO(__VA_ARGS__); DOCTEST_REQUIRE_THROWS_WITH(expr, with); }()
+#define DOCTEST_WARN_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) [&] 
{DOCTEST_INFO(__VA_ARGS__); DOCTEST_WARN_THROWS_WITH_AS(expr, with, ex); }()
+#define DOCTEST_CHECK_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) [&] 
{DOCTEST_INFO(__VA_ARGS__); DOCTEST_CHECK_THROWS_WITH_AS(expr, with, ex); }()
+#define DOCTEST_REQUIRE_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) [&] 
{DOCTEST_INFO(__VA_ARGS__); DOCTEST_REQUIRE_THROWS_WITH_AS(expr, with, ex); }()
+#define DOCTEST_WARN_NOTHROW_MESSAGE(expr, ...) [&] 
{DOCTEST_INFO(__VA_ARGS__); DOCTEST_WARN_NOTHROW(expr); }()
+#define DOCTEST_CHECK_NOTHROW_MESSAGE(expr, ...) [&] 
{DOCTEST_INFO(__VA_ARGS__); DOCTEST_CHECK_NOTHROW(expr); }()
+#define DOCTEST_REQUIRE_NOTHROW_MESSAGE(expr, ...) [&] 
{DOCTEST_INFO(__VA_ARGS__); DOCTEST_REQUIRE_NOTHROW(expr); }()
 // clang-format on
 
 #ifndef DOCTEST_CONFIG_SUPER_FAST_ASSERTS
 
 #define DOCTEST_BINARY_ASSERT(assert_type, comp, ...)                          
                    \
-    do {                                                                       
                    \
+    [&] {                                                                      
                    \
         doctest::detail::ResultBuilder 
DOCTEST_RB(doctest::assertType::assert_type, __FILE__,      \
                                                    __LINE__, #__VA_ARGS__);    
                    \
         DOCTEST_WRAP_IN_TRY(                                                   
                    \
                 
DOCTEST_RB.binary_assert<doctest::detail::binaryAssertComparison::comp>(        
   \
                         __VA_ARGS__))                                          
                    \
-        DOCTEST_ASSERT_LOG_AND_REACT(DOCTEST_RB);                              
                    \
-    } while(false)
+        DOCTEST_ASSERT_LOG_REACT_RETURN(DOCTEST_RB);                           
                    \
+    }()
 
 #define DOCTEST_UNARY_ASSERT(assert_type, ...)                                 
                    \
-    do {                                                                       
                    \
+    [&] {                                                                      
                    \
         doctest::detail::ResultBuilder 
DOCTEST_RB(doctest::assertType::assert_type, __FILE__,      \
                                                    __LINE__, #__VA_ARGS__);    
                    \
         DOCTEST_WRAP_IN_TRY(DOCTEST_RB.unary_assert(__VA_ARGS__))              
                    \
-        DOCTEST_ASSERT_LOG_AND_REACT(DOCTEST_RB);                              
                    \
-    } while(false)
+        DOCTEST_ASSERT_LOG_REACT_RETURN(DOCTEST_RB);                           
                    \
+    }()
 
 #else // DOCTEST_CONFIG_SUPER_FAST_ASSERTS
 
@@ -2386,37 +2418,37 @@ int registerReporter(const char* name, int priority, 
bool isReporter) {
 
 #ifdef DOCTEST_CONFIG_NO_EXCEPTIONS_BUT_WITH_ALL_ASSERTS
 
-#define DOCTEST_WARN_THROWS(...) (static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS(...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS(...) (static_cast<void>(0))
-#define DOCTEST_WARN_THROWS_AS(expr, ...) (static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS_AS(expr, ...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS_AS(expr, ...) (static_cast<void>(0))
-#define DOCTEST_WARN_THROWS_WITH(expr, ...) (static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS_WITH(expr, ...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS_WITH(expr, ...) (static_cast<void>(0))
-#define DOCTEST_WARN_THROWS_WITH_AS(expr, with, ...) (static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS_WITH_AS(expr, with, ...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS_WITH_AS(expr, with, ...) (static_cast<void>(0))
-#define DOCTEST_WARN_NOTHROW(...) (static_cast<void>(0))
-#define DOCTEST_CHECK_NOTHROW(...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_NOTHROW(...) (static_cast<void>(0))
-
-#define DOCTEST_WARN_THROWS_MESSAGE(expr, ...) (static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS_MESSAGE(expr, ...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS_MESSAGE(expr, ...) (static_cast<void>(0))
-#define DOCTEST_WARN_THROWS_AS_MESSAGE(expr, ex, ...) (static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS_AS_MESSAGE(expr, ex, ...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS_AS_MESSAGE(expr, ex, ...) (static_cast<void>(0))
-#define DOCTEST_WARN_THROWS_WITH_MESSAGE(expr, with, ...) 
(static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS_WITH_MESSAGE(expr, with, ...) 
(static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS_WITH_MESSAGE(expr, with, ...) 
(static_cast<void>(0))
-#define DOCTEST_WARN_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) 
(static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) 
(static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) 
(static_cast<void>(0))
-#define DOCTEST_WARN_NOTHROW_MESSAGE(expr, ...) (static_cast<void>(0))
-#define DOCTEST_CHECK_NOTHROW_MESSAGE(expr, ...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_NOTHROW_MESSAGE(expr, ...) (static_cast<void>(0))
+#define DOCTEST_WARN_THROWS(...) ([] { return false; })
+#define DOCTEST_CHECK_THROWS(...) ([] { return false; })
+#define DOCTEST_REQUIRE_THROWS(...) ([] { return false; })
+#define DOCTEST_WARN_THROWS_AS(expr, ...) ([] { return false; })
+#define DOCTEST_CHECK_THROWS_AS(expr, ...) ([] { return false; })
+#define DOCTEST_REQUIRE_THROWS_AS(expr, ...) ([] { return false; })
+#define DOCTEST_WARN_THROWS_WITH(expr, ...) ([] { return false; })
+#define DOCTEST_CHECK_THROWS_WITH(expr, ...) ([] { return false; })
+#define DOCTEST_REQUIRE_THROWS_WITH(expr, ...) ([] { return false; })
+#define DOCTEST_WARN_THROWS_WITH_AS(expr, with, ...) ([] { return false; })
+#define DOCTEST_CHECK_THROWS_WITH_AS(expr, with, ...) ([] { return false; })
+#define DOCTEST_REQUIRE_THROWS_WITH_AS(expr, with, ...) ([] { return false; })
+#define DOCTEST_WARN_NOTHROW(...) ([] { return false; })
+#define DOCTEST_CHECK_NOTHROW(...) ([] { return false; })
+#define DOCTEST_REQUIRE_NOTHROW(...) ([] { return false; })
+
+#define DOCTEST_WARN_THROWS_MESSAGE(expr, ...) ([] { return false; })
+#define DOCTEST_CHECK_THROWS_MESSAGE(expr, ...) ([] { return false; })
+#define DOCTEST_REQUIRE_THROWS_MESSAGE(expr, ...) ([] { return false; })
+#define DOCTEST_WARN_THROWS_AS_MESSAGE(expr, ex, ...) ([] { return false; })
+#define DOCTEST_CHECK_THROWS_AS_MESSAGE(expr, ex, ...) ([] { return false; })
+#define DOCTEST_REQUIRE_THROWS_AS_MESSAGE(expr, ex, ...) ([] { return false; })
+#define DOCTEST_WARN_THROWS_WITH_MESSAGE(expr, with, ...) ([] { return false; 
})
+#define DOCTEST_CHECK_THROWS_WITH_MESSAGE(expr, with, ...) ([] { return false; 
})
+#define DOCTEST_REQUIRE_THROWS_WITH_MESSAGE(expr, with, ...) ([] { return 
false; })
+#define DOCTEST_WARN_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) ([] { return 
false; })
+#define DOCTEST_CHECK_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) ([] { return 
false; })
+#define DOCTEST_REQUIRE_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) ([] { 
return false; })
+#define DOCTEST_WARN_NOTHROW_MESSAGE(expr, ...) ([] { return false; })
+#define DOCTEST_CHECK_NOTHROW_MESSAGE(expr, ...) ([] { return false; })
+#define DOCTEST_REQUIRE_NOTHROW_MESSAGE(expr, ...) ([] { return false; })
 
 #else // DOCTEST_CONFIG_NO_EXCEPTIONS_BUT_WITH_ALL_ASSERTS
 
@@ -2470,7 +2502,7 @@ int registerReporter(const char* name, int priority, bool 
isReporter) {
                               DOCTEST_ANONYMOUS(DOCTEST_ANON_FUNC_), name)
 
 // for converting types to strings without the <typeinfo> header and demangling
-#define DOCTEST_TYPE_TO_STRING(...) typedef int 
DOCTEST_ANONYMOUS(DOCTEST_ANON_FOR_SEMICOLON_)
+#define DOCTEST_TYPE_TO_STRING(...) static_assert(true, "")
 #define DOCTEST_TYPE_TO_STRING_IMPL(...)
 
 // for typed tests
@@ -2482,11 +2514,8 @@ int registerReporter(const char* name, int priority, 
bool isReporter) {
     template <typename type>                                                   
                    \
     inline void DOCTEST_ANONYMOUS(DOCTEST_ANON_TMP_)()
 
-#define DOCTEST_TEST_CASE_TEMPLATE_INVOKE(id, ...)                             
                    \
-    typedef int DOCTEST_ANONYMOUS(DOCTEST_ANON_FOR_SEMICOLON_)
-
-#define DOCTEST_TEST_CASE_TEMPLATE_APPLY(id, ...)                              
                    \
-    typedef int DOCTEST_ANONYMOUS(DOCTEST_ANON_FOR_SEMICOLON_)
+#define DOCTEST_TEST_CASE_TEMPLATE_INVOKE(id, ...) static_assert(true, "")
+#define DOCTEST_TEST_CASE_TEMPLATE_APPLY(id, ...) static_assert(true, "")
 
 // for subcases
 #define DOCTEST_SUBCASE(name)
@@ -2495,7 +2524,7 @@ int registerReporter(const char* name, int priority, bool 
isReporter) {
 #define DOCTEST_TEST_SUITE(name) namespace
 
 // for starting a testsuite block
-#define DOCTEST_TEST_SUITE_BEGIN(name) typedef int 
DOCTEST_ANONYMOUS(DOCTEST_ANON_FOR_SEMICOLON_)
+#define DOCTEST_TEST_SUITE_BEGIN(name) static_assert(true, "")
 
 // for ending a testsuite block
 #define DOCTEST_TEST_SUITE_END typedef int 
DOCTEST_ANONYMOUS(DOCTEST_ANON_FOR_SEMICOLON_)
@@ -2516,77 +2545,138 @@ int registerReporter(const char* name, int priority, 
bool isReporter) {
 #define DOCTEST_FAIL_CHECK(...) (static_cast<void>(0))
 #define DOCTEST_FAIL(...) (static_cast<void>(0))
 
-#define DOCTEST_WARN(...) (static_cast<void>(0))
-#define DOCTEST_CHECK(...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE(...) (static_cast<void>(0))
-#define DOCTEST_WARN_FALSE(...) (static_cast<void>(0))
-#define DOCTEST_CHECK_FALSE(...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_FALSE(...) (static_cast<void>(0))
-
-#define DOCTEST_WARN_MESSAGE(cond, ...) (static_cast<void>(0))
-#define DOCTEST_CHECK_MESSAGE(cond, ...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_MESSAGE(cond, ...) (static_cast<void>(0))
-#define DOCTEST_WARN_FALSE_MESSAGE(cond, ...) (static_cast<void>(0))
-#define DOCTEST_CHECK_FALSE_MESSAGE(cond, ...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_FALSE_MESSAGE(cond, ...) (static_cast<void>(0))
-
-#define DOCTEST_WARN_THROWS(...) (static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS(...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS(...) (static_cast<void>(0))
-#define DOCTEST_WARN_THROWS_AS(expr, ...) (static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS_AS(expr, ...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS_AS(expr, ...) (static_cast<void>(0))
-#define DOCTEST_WARN_THROWS_WITH(expr, ...) (static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS_WITH(expr, ...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS_WITH(expr, ...) (static_cast<void>(0))
-#define DOCTEST_WARN_THROWS_WITH_AS(expr, with, ...) (static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS_WITH_AS(expr, with, ...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS_WITH_AS(expr, with, ...) (static_cast<void>(0))
-#define DOCTEST_WARN_NOTHROW(...) (static_cast<void>(0))
-#define DOCTEST_CHECK_NOTHROW(...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_NOTHROW(...) (static_cast<void>(0))
-
-#define DOCTEST_WARN_THROWS_MESSAGE(expr, ...) (static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS_MESSAGE(expr, ...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS_MESSAGE(expr, ...) (static_cast<void>(0))
-#define DOCTEST_WARN_THROWS_AS_MESSAGE(expr, ex, ...) (static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS_AS_MESSAGE(expr, ex, ...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS_AS_MESSAGE(expr, ex, ...) (static_cast<void>(0))
-#define DOCTEST_WARN_THROWS_WITH_MESSAGE(expr, with, ...) 
(static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS_WITH_MESSAGE(expr, with, ...) 
(static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS_WITH_MESSAGE(expr, with, ...) 
(static_cast<void>(0))
-#define DOCTEST_WARN_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) 
(static_cast<void>(0))
-#define DOCTEST_CHECK_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) 
(static_cast<void>(0))
-#define DOCTEST_REQUIRE_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) 
(static_cast<void>(0))
-#define DOCTEST_WARN_NOTHROW_MESSAGE(expr, ...) (static_cast<void>(0))
-#define DOCTEST_CHECK_NOTHROW_MESSAGE(expr, ...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_NOTHROW_MESSAGE(expr, ...) (static_cast<void>(0))
-
-#define DOCTEST_WARN_EQ(...) (static_cast<void>(0))
-#define DOCTEST_CHECK_EQ(...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_EQ(...) (static_cast<void>(0))
-#define DOCTEST_WARN_NE(...) (static_cast<void>(0))
-#define DOCTEST_CHECK_NE(...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_NE(...) (static_cast<void>(0))
-#define DOCTEST_WARN_GT(...) (static_cast<void>(0))
-#define DOCTEST_CHECK_GT(...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_GT(...) (static_cast<void>(0))
-#define DOCTEST_WARN_LT(...) (static_cast<void>(0))
-#define DOCTEST_CHECK_LT(...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_LT(...) (static_cast<void>(0))
-#define DOCTEST_WARN_GE(...) (static_cast<void>(0))
-#define DOCTEST_CHECK_GE(...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_GE(...) (static_cast<void>(0))
-#define DOCTEST_WARN_LE(...) (static_cast<void>(0))
-#define DOCTEST_CHECK_LE(...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_LE(...) (static_cast<void>(0))
-
-#define DOCTEST_WARN_UNARY(...) (static_cast<void>(0))
-#define DOCTEST_CHECK_UNARY(...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_UNARY(...) (static_cast<void>(0))
-#define DOCTEST_WARN_UNARY_FALSE(...) (static_cast<void>(0))
-#define DOCTEST_CHECK_UNARY_FALSE(...) (static_cast<void>(0))
-#define DOCTEST_REQUIRE_UNARY_FALSE(...) (static_cast<void>(0))
+#ifdef DOCTEST_CONFIG_EVALUATE_ASSERTS_EVEN_WHEN_DISABLED
+
+#define DOCTEST_WARN(...) [&] { return __VA_ARGS__; }()
+#define DOCTEST_CHECK(...) [&] { return __VA_ARGS__; }()
+#define DOCTEST_REQUIRE(...) [&] { return __VA_ARGS__; }()
+#define DOCTEST_WARN_FALSE(...) [&] { return !(__VA_ARGS__); }()
+#define DOCTEST_CHECK_FALSE(...) [&] { return !(__VA_ARGS__); }()
+#define DOCTEST_REQUIRE_FALSE(...) [&] { return !(__VA_ARGS__); }()
+
+#define DOCTEST_WARN_MESSAGE(cond, ...) [&] { return cond; }()
+#define DOCTEST_CHECK_MESSAGE(cond, ...) [&] { return cond; }()
+#define DOCTEST_REQUIRE_MESSAGE(cond, ...) [&] { return cond; }()
+#define DOCTEST_WARN_FALSE_MESSAGE(cond, ...) [&] { return !(cond); }()
+#define DOCTEST_CHECK_FALSE_MESSAGE(cond, ...) [&] { return !(cond); }()
+#define DOCTEST_REQUIRE_FALSE_MESSAGE(cond, ...) [&] { return !(cond); }()
+
+namespace doctest {
+namespace detail {
+#define DOCTEST_RELATIONAL_OP(name, op)                                        
                    \
+    template <typename L, typename R>                                          
                    \
+    bool name(const DOCTEST_REF_WRAP(L) lhs, const DOCTEST_REF_WRAP(R) rhs) { 
return lhs op rhs; }
+
+    DOCTEST_RELATIONAL_OP(eq, ==)
+    DOCTEST_RELATIONAL_OP(ne, !=)
+    DOCTEST_RELATIONAL_OP(lt, <)
+    DOCTEST_RELATIONAL_OP(gt, >)
+    DOCTEST_RELATIONAL_OP(le, <=)
+    DOCTEST_RELATIONAL_OP(ge, >=)
+} // namespace detail
+} // namespace doctest
+
+#define DOCTEST_WARN_EQ(...) [&] { return doctest::detail::eq(__VA_ARGS__); }()
+#define DOCTEST_CHECK_EQ(...) [&] { return doctest::detail::eq(__VA_ARGS__); 
}()
+#define DOCTEST_REQUIRE_EQ(...) [&] { return doctest::detail::eq(__VA_ARGS__); 
}()
+#define DOCTEST_WARN_NE(...) [&] { return doctest::detail::ne(__VA_ARGS__); }()
+#define DOCTEST_CHECK_NE(...) [&] { return doctest::detail::ne(__VA_ARGS__); 
}()
+#define DOCTEST_REQUIRE_NE(...) [&] { return doctest::detail::ne(__VA_ARGS__); 
}()
+#define DOCTEST_WARN_LT(...) [&] { return doctest::detail::lt(__VA_ARGS__); }()
+#define DOCTEST_CHECK_LT(...) [&] { return doctest::detail::lt(__VA_ARGS__); 
}()
+#define DOCTEST_REQUIRE_LT(...) [&] { return doctest::detail::lt(__VA_ARGS__); 
}()
+#define DOCTEST_WARN_GT(...) [&] { return doctest::detail::gt(__VA_ARGS__); }()
+#define DOCTEST_CHECK_GT(...) [&] { return doctest::detail::gt(__VA_ARGS__); 
}()
+#define DOCTEST_REQUIRE_GT(...) [&] { return doctest::detail::gt(__VA_ARGS__); 
}()
+#define DOCTEST_WARN_LE(...) [&] { return doctest::detail::le(__VA_ARGS__); }()
+#define DOCTEST_CHECK_LE(...) [&] { return doctest::detail::le(__VA_ARGS__); 
}()
+#define DOCTEST_REQUIRE_LE(...) [&] { return doctest::detail::le(__VA_ARGS__); 
}()
+#define DOCTEST_WARN_GE(...) [&] { return doctest::detail::ge(__VA_ARGS__); }()
+#define DOCTEST_CHECK_GE(...) [&] { return doctest::detail::ge(__VA_ARGS__); 
}()
+#define DOCTEST_REQUIRE_GE(...) [&] { return doctest::detail::ge(__VA_ARGS__); 
}()
+#define DOCTEST_WARN_UNARY(...) [&] { return __VA_ARGS__; }()
+#define DOCTEST_CHECK_UNARY(...) [&] { return __VA_ARGS__; }()
+#define DOCTEST_REQUIRE_UNARY(...) [&] { return __VA_ARGS__; }()
+#define DOCTEST_WARN_UNARY_FALSE(...) [&] { return !(__VA_ARGS__); }()
+#define DOCTEST_CHECK_UNARY_FALSE(...) [&] { return !(__VA_ARGS__); }()
+#define DOCTEST_REQUIRE_UNARY_FALSE(...) [&] { return !(__VA_ARGS__); }()
+
+#else // DOCTEST_CONFIG_EVALUATE_ASSERTS_EVEN_WHEN_DISABLED
+
+#define DOCTEST_WARN(...) ([] { return false; })
+#define DOCTEST_CHECK(...) ([] { return false; })
+#define DOCTEST_REQUIRE(...) ([] { return false; })
+#define DOCTEST_WARN_FALSE(...) ([] { return false; })
+#define DOCTEST_CHECK_FALSE(...) ([] { return false; })
+#define DOCTEST_REQUIRE_FALSE(...) ([] { return false; })
+
+#define DOCTEST_WARN_MESSAGE(cond, ...) ([] { return false; })
+#define DOCTEST_CHECK_MESSAGE(cond, ...) ([] { return false; })
+#define DOCTEST_REQUIRE_MESSAGE(cond, ...) ([] { return false; })
+#define DOCTEST_WARN_FALSE_MESSAGE(cond, ...) ([] { return false; })
+#define DOCTEST_CHECK_FALSE_MESSAGE(cond, ...) ([] { return false; })
+#define DOCTEST_REQUIRE_FALSE_MESSAGE(cond, ...) ([] { return false; })
+
+#define DOCTEST_WARN_EQ(...) ([] { return false; })
+#define DOCTEST_CHECK_EQ(...) ([] { return false; })
+#define DOCTEST_REQUIRE_EQ(...) ([] { return false; })
+#define DOCTEST_WARN_NE(...) ([] { return false; })
+#define DOCTEST_CHECK_NE(...) ([] { return false; })
+#define DOCTEST_REQUIRE_NE(...) ([] { return false; })
+#define DOCTEST_WARN_GT(...) ([] { return false; })
+#define DOCTEST_CHECK_GT(...) ([] { return false; })
+#define DOCTEST_REQUIRE_GT(...) ([] { return false; })
+#define DOCTEST_WARN_LT(...) ([] { return false; })
+#define DOCTEST_CHECK_LT(...) ([] { return false; })
+#define DOCTEST_REQUIRE_LT(...) ([] { return false; })
+#define DOCTEST_WARN_GE(...) ([] { return false; })
+#define DOCTEST_CHECK_GE(...) ([] { return false; })
+#define DOCTEST_REQUIRE_GE(...) ([] { return false; })
+#define DOCTEST_WARN_LE(...) ([] { return false; })
+#define DOCTEST_CHECK_LE(...) ([] { return false; })
+#define DOCTEST_REQUIRE_LE(...) ([] { return false; })
+
+#define DOCTEST_WARN_UNARY(...) ([] { return false; })
+#define DOCTEST_CHECK_UNARY(...) ([] { return false; })
+#define DOCTEST_REQUIRE_UNARY(...) ([] { return false; })
+#define DOCTEST_WARN_UNARY_FALSE(...) ([] { return false; })
+#define DOCTEST_CHECK_UNARY_FALSE(...) ([] { return false; })
+#define DOCTEST_REQUIRE_UNARY_FALSE(...) ([] { return false; })
+
+#endif // DOCTEST_CONFIG_EVALUATE_ASSERTS_EVEN_WHEN_DISABLED
+
+// TODO: think about if these also need to work properly even when doctest is 
disabled
+#define DOCTEST_WARN_THROWS(...) ([] { return false; })
+#define DOCTEST_CHECK_THROWS(...) ([] { return false; })
+#define DOCTEST_REQUIRE_THROWS(...) ([] { return false; })
+#define DOCTEST_WARN_THROWS_AS(expr, ...) ([] { return false; })
+#define DOCTEST_CHECK_THROWS_AS(expr, ...) ([] { return false; })
+#define DOCTEST_REQUIRE_THROWS_AS(expr, ...) ([] { return false; })
+#define DOCTEST_WARN_THROWS_WITH(expr, ...) ([] { return false; })
+#define DOCTEST_CHECK_THROWS_WITH(expr, ...) ([] { return false; })
+#define DOCTEST_REQUIRE_THROWS_WITH(expr, ...) ([] { return false; })
+#define DOCTEST_WARN_THROWS_WITH_AS(expr, with, ...) ([] { return false; })
+#define DOCTEST_CHECK_THROWS_WITH_AS(expr, with, ...) ([] { return false; })
+#define DOCTEST_REQUIRE_THROWS_WITH_AS(expr, with, ...) ([] { return false; })
+#define DOCTEST_WARN_NOTHROW(...) ([] { return false; })
+#define DOCTEST_CHECK_NOTHROW(...) ([] { return false; })
+#define DOCTEST_REQUIRE_NOTHROW(...) ([] { return false; })
+
+#define DOCTEST_WARN_THROWS_MESSAGE(expr, ...) ([] { return false; })
+#define DOCTEST_CHECK_THROWS_MESSAGE(expr, ...) ([] { return false; })
+#define DOCTEST_REQUIRE_THROWS_MESSAGE(expr, ...) ([] { return false; })
+#define DOCTEST_WARN_THROWS_AS_MESSAGE(expr, ex, ...) ([] { return false; })
+#define DOCTEST_CHECK_THROWS_AS_MESSAGE(expr, ex, ...) ([] { return false; })
+#define DOCTEST_REQUIRE_THROWS_AS_MESSAGE(expr, ex, ...) ([] { return false; })
+#define DOCTEST_WARN_THROWS_WITH_MESSAGE(expr, with, ...) ([] { return false; 
})
+#define DOCTEST_CHECK_THROWS_WITH_MESSAGE(expr, with, ...) ([] { return false; 
})
+#define DOCTEST_REQUIRE_THROWS_WITH_MESSAGE(expr, with, ...) ([] { return 
false; })
+#define DOCTEST_WARN_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) ([] { return 
false; })
+#define DOCTEST_CHECK_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) ([] { return 
false; })
+#define DOCTEST_REQUIRE_THROWS_WITH_AS_MESSAGE(expr, with, ex, ...) ([] { 
return false; })
+#define DOCTEST_WARN_NOTHROW_MESSAGE(expr, ...) ([] { return false; })
+#define DOCTEST_CHECK_NOTHROW_MESSAGE(expr, ...) ([] { return false; })
+#define DOCTEST_REQUIRE_NOTHROW_MESSAGE(expr, ...) ([] { return false; })
 
 #endif // DOCTEST_CONFIG_DISABLE
 
@@ -2806,6 +2896,8 @@ DOCTEST_CLANG_SUPPRESS_WARNING_POP
 DOCTEST_MSVC_SUPPRESS_WARNING_POP
 DOCTEST_GCC_SUPPRESS_WARNING_POP
 
+DOCTEST_SUPPRESS_COMMON_WARNINGS_POP
+
 #endif // DOCTEST_LIBRARY_INCLUDED
 
 #ifndef DOCTEST_SINGLE_HEADER
@@ -2825,13 +2917,11 @@ 
DOCTEST_CLANG_SUPPRESS_WARNING_WITH_PUSH("-Wunused-macros")
 
 DOCTEST_CLANG_SUPPRESS_WARNING_POP
 
+DOCTEST_SUPPRESS_COMMON_WARNINGS_PUSH
+
 DOCTEST_CLANG_SUPPRESS_WARNING_PUSH
-DOCTEST_CLANG_SUPPRESS_WARNING("-Wunknown-pragmas")
-DOCTEST_CLANG_SUPPRESS_WARNING("-Wpadded")
-DOCTEST_CLANG_SUPPRESS_WARNING("-Wweak-vtables")
 DOCTEST_CLANG_SUPPRESS_WARNING("-Wglobal-constructors")
 DOCTEST_CLANG_SUPPRESS_WARNING("-Wexit-time-destructors")
-DOCTEST_CLANG_SUPPRESS_WARNING("-Wmissing-prototypes")
 DOCTEST_CLANG_SUPPRESS_WARNING("-Wsign-conversion")
 DOCTEST_CLANG_SUPPRESS_WARNING("-Wshorten-64-to-32")
 DOCTEST_CLANG_SUPPRESS_WARNING("-Wmissing-variable-declarations")
@@ -2839,66 +2929,35 @@ DOCTEST_CLANG_SUPPRESS_WARNING("-Wswitch")
 DOCTEST_CLANG_SUPPRESS_WARNING("-Wswitch-enum")
 DOCTEST_CLANG_SUPPRESS_WARNING("-Wcovered-switch-default")
 DOCTEST_CLANG_SUPPRESS_WARNING("-Wmissing-noreturn")
-DOCTEST_CLANG_SUPPRESS_WARNING("-Wunused-local-typedef")
 DOCTEST_CLANG_SUPPRESS_WARNING("-Wdisabled-macro-expansion")
 DOCTEST_CLANG_SUPPRESS_WARNING("-Wmissing-braces")
 DOCTEST_CLANG_SUPPRESS_WARNING("-Wmissing-field-initializers")
-DOCTEST_CLANG_SUPPRESS_WARNING("-Wc++98-compat")
-DOCTEST_CLANG_SUPPRESS_WARNING("-Wc++98-compat-pedantic")
 DOCTEST_CLANG_SUPPRESS_WARNING("-Wunused-member-function")
 DOCTEST_CLANG_SUPPRESS_WARNING("-Wnonportable-system-include-path")
 
 DOCTEST_GCC_SUPPRESS_WARNING_PUSH
-DOCTEST_GCC_SUPPRESS_WARNING("-Wunknown-pragmas")
-DOCTEST_GCC_SUPPRESS_WARNING("-Wpragmas")
 DOCTEST_GCC_SUPPRESS_WARNING("-Wconversion")
-DOCTEST_GCC_SUPPRESS_WARNING("-Weffc++")
 DOCTEST_GCC_SUPPRESS_WARNING("-Wsign-conversion")
-DOCTEST_GCC_SUPPRESS_WARNING("-Wstrict-overflow")
-DOCTEST_GCC_SUPPRESS_WARNING("-Wstrict-aliasing")
 DOCTEST_GCC_SUPPRESS_WARNING("-Wmissing-field-initializers")
 DOCTEST_GCC_SUPPRESS_WARNING("-Wmissing-braces")
-DOCTEST_GCC_SUPPRESS_WARNING("-Wmissing-declarations")
 DOCTEST_GCC_SUPPRESS_WARNING("-Wswitch")
 DOCTEST_GCC_SUPPRESS_WARNING("-Wswitch-enum")
 DOCTEST_GCC_SUPPRESS_WARNING("-Wswitch-default")
 DOCTEST_GCC_SUPPRESS_WARNING("-Wunsafe-loop-optimizations")
 DOCTEST_GCC_SUPPRESS_WARNING("-Wold-style-cast")
-DOCTEST_GCC_SUPPRESS_WARNING("-Wunused-local-typedefs")
-DOCTEST_GCC_SUPPRESS_WARNING("-Wuseless-cast")
 DOCTEST_GCC_SUPPRESS_WARNING("-Wunused-function")
 DOCTEST_GCC_SUPPRESS_WARNING("-Wmultiple-inheritance")
-DOCTEST_GCC_SUPPRESS_WARNING("-Wnoexcept")
 DOCTEST_GCC_SUPPRESS_WARNING("-Wsuggest-attribute")
 
 DOCTEST_MSVC_SUPPRESS_WARNING_PUSH
-DOCTEST_MSVC_SUPPRESS_WARNING(4616) // invalid compiler warning
-DOCTEST_MSVC_SUPPRESS_WARNING(4619) // invalid compiler warning
-DOCTEST_MSVC_SUPPRESS_WARNING(4996) // The compiler encountered a deprecated 
declaration
 DOCTEST_MSVC_SUPPRESS_WARNING(4267) // 'var' : conversion from 'x' to 'y', 
possible loss of data
-DOCTEST_MSVC_SUPPRESS_WARNING(4706) // assignment within conditional expression
-DOCTEST_MSVC_SUPPRESS_WARNING(4512) // 'class' : assignment operator could not 
be generated
-DOCTEST_MSVC_SUPPRESS_WARNING(4127) // conditional expression is constant
 DOCTEST_MSVC_SUPPRESS_WARNING(4530) // C++ exception handler used, but unwind 
semantics not enabled
 DOCTEST_MSVC_SUPPRESS_WARNING(4577) // 'noexcept' used with no exception 
handling mode specified
 DOCTEST_MSVC_SUPPRESS_WARNING(4774) // format string expected in argument is 
not a string literal
 DOCTEST_MSVC_SUPPRESS_WARNING(4365) // conversion from 'int' to 'unsigned', 
signed/unsigned mismatch
-DOCTEST_MSVC_SUPPRESS_WARNING(4820) // padding in structs
-DOCTEST_MSVC_SUPPRESS_WARNING(4640) // construction of local static object is 
not thread-safe
 DOCTEST_MSVC_SUPPRESS_WARNING(5039) // pointer to potentially throwing 
function passed to extern C
-DOCTEST_MSVC_SUPPRESS_WARNING(5045) // Spectre mitigation stuff
-DOCTEST_MSVC_SUPPRESS_WARNING(4626) // assignment operator was implicitly 
defined as deleted
-DOCTEST_MSVC_SUPPRESS_WARNING(5027) // move assignment operator was implicitly 
defined as deleted
-DOCTEST_MSVC_SUPPRESS_WARNING(5026) // move constructor was implicitly defined 
as deleted
-DOCTEST_MSVC_SUPPRESS_WARNING(4625) // copy constructor was implicitly defined 
as deleted
 DOCTEST_MSVC_SUPPRESS_WARNING(4800) // forcing value to bool 'true' or 'false' 
(performance warning)
 DOCTEST_MSVC_SUPPRESS_WARNING(5245) // unreferenced function with internal 
linkage has been removed
-// static analysis
-DOCTEST_MSVC_SUPPRESS_WARNING(26439) // This kind of function may not throw. 
Declare it 'noexcept'
-DOCTEST_MSVC_SUPPRESS_WARNING(26495) // Always initialize a member variable
-DOCTEST_MSVC_SUPPRESS_WARNING(26451) // Arithmetic overflow ...
-DOCTEST_MSVC_SUPPRESS_WARNING(26444) // Avoid unnamed objects with custom 
construction and dtor...
-DOCTEST_MSVC_SUPPRESS_WARNING(26812) // Prefer 'enum class' over 'enum'
 
 DOCTEST_MAKE_STD_HEADERS_CLEAN_FROM_WARNINGS_ON_WALL_BEGIN
 
@@ -2906,7 +2965,7 @@ DOCTEST_MAKE_STD_HEADERS_CLEAN_FROM_WARNINGS_ON_WALL_BEGIN
 #include <ctime>
 #include <cmath>
 #include <climits>
-// borland (Embarcadero) compiler requires math.h and not cmath - 
https://github.com/onqtam/doctest/pull/37
+// borland (Embarcadero) compiler requires math.h and not cmath - 
https://github.com/doctest/doctest/pull/37
 #ifdef __BORLANDC__
 #include <math.h>
 #endif // __BORLANDC__
@@ -2964,7 +3023,7 @@ DOCTEST_MAKE_STD_HEADERS_CLEAN_FROM_WARNINGS_ON_WALL_BEGIN
 
 #endif // DOCTEST_PLATFORM_WINDOWS
 
-// this is a fix for https://github.com/onqtam/doctest/issues/348
+// this is a fix for https://github.com/doctest/doctest/issues/348
 // https://mail.gnome.org/archives/xml/2012-January/msg00000.html
 #if !defined(HAVE_UNISTD_H) && !defined(STDOUT_FILENO)
 #define STDOUT_FILENO fileno(stdout)
@@ -3021,6 +3080,24 @@ bool is_running_in_test = false;
 
 namespace {
     using namespace detail;
+
+    template <typename Ex>
+    DOCTEST_NORETURN void throw_exception(Ex const& e) {
+#ifndef DOCTEST_CONFIG_NO_EXCEPTIONS
+        throw e;
+#else  // DOCTEST_CONFIG_NO_EXCEPTIONS
+        std::cerr << "doctest will terminate because it needed to throw an 
exception.\n"
+                  << "The message was: " << e.what() << '\n';
+        std::terminate();
+#endif // DOCTEST_CONFIG_NO_EXCEPTIONS
+    }
+
+#ifndef DOCTEST_INTERNAL_ERROR
+#define DOCTEST_INTERNAL_ERROR(msg)                                            
                    \
+    throw_exception(std::logic_error(                                          
                    \
+            __FILE__ ":" DOCTEST_TOSTR(__LINE__) ": Internal doctest error: " 
msg))
+#endif // DOCTEST_INTERNAL_ERROR
+
     // case insensitive strcmp
     int stricmp(const char* a, const char* b) {
         for(;; a++, b++) {
@@ -3064,8 +3141,6 @@ namespace {
 } // namespace
 
 namespace detail {
-    void my_memcpy(void* dest, const void* src, unsigned num) { memcpy(dest, 
src, num); }
-
     String rawMemoryToString(const void* object, unsigned size) {
         // Reverse order for little endian architectures
         int i = 0, end = static_cast<int>(size), inc = 1;
@@ -3075,28 +3150,42 @@ namespace detail {
         }
 
         unsigned const char* bytes = static_cast<unsigned const char*>(object);
-        std::ostringstream   oss;
-        oss << "0x" << std::setfill('0') << std::hex;
+        std::ostream*        oss   = tlssPush();
+        *oss << "0x" << std::setfill('0') << std::hex;
         for(; i != end; i += inc)
-            oss << std::setw(2) << static_cast<unsigned>(bytes[i]);
-        return oss.str().c_str();
+            *oss << std::setw(2) << static_cast<unsigned>(bytes[i]);
+        return tlssPop();
     }
 
-    DOCTEST_THREAD_LOCAL std::ostringstream g_oss; // NOLINT(cert-err58-cpp)
+    DOCTEST_THREAD_LOCAL class
+    {
+        std::vector<std::streampos> stack;
+        std::stringstream           ss;
+
+    public:
+        std::ostream* push() {
+            stack.push_back(ss.tellp());
+            return &ss;
+        }
+
+        String pop() {
+            if (stack.empty())
+                DOCTEST_INTERNAL_ERROR("TLSS was empty when trying to pop!");
+
+            std::streampos pos = stack.back();
+            stack.pop_back();
+            unsigned sz = static_cast<unsigned>(ss.tellp() - pos);
+            ss.rdbuf()->pubseekpos(pos, std::ios::in | std::ios::out);
+            return String(ss, sz);
+        }
+    } g_oss;
 
-    //reset default value is true. getTlsOss(bool reset=true);
-    std::ostream* getTlsOss(bool reset) {
-        if(reset) {
-          g_oss.clear(); // there shouldn't be anything worth clearing in the 
flags
-          g_oss.str(""); // the slow way of resetting a string stream
-          //g_oss.seekp(0); // optimal reset - as seen here: 
https://stackoverflow.com/a/624291/3162383
-       }
-        return &g_oss;
+    std::ostream* tlssPush() {
+        return g_oss.push();
     }
 
-    String getTlsOssResult() {
-        //g_oss << std::ends; // needed - as shown here: 
https://stackoverflow.com/a/624291/3162383
-        return g_oss.str().c_str();
+    String tlssPop() {
+        return g_oss.pop();
     }
 
 #ifndef DOCTEST_CONFIG_DISABLE
@@ -3107,8 +3196,7 @@ namespace timer_large_integer
 #if defined(DOCTEST_PLATFORM_WINDOWS)
     typedef ULONGLONG type;
 #else // DOCTEST_PLATFORM_WINDOWS
-    using namespace std;
-    typedef uint64_t type;
+    typedef std::uint64_t type;
 #endif // DOCTEST_PLATFORM_WINDOWS
 }
 
@@ -3326,19 +3414,29 @@ typedef timer_large_integer::type ticks_t;
 #endif // DOCTEST_CONFIG_DISABLE
 } // namespace detail
 
+char* String::allocate(unsigned sz) {
+    if (sz <= last) {
+        buf[sz] = '\0';
+        setLast(last - sz);
+        return buf;
+    } else {
+        setOnHeap();
+        data.size = sz;
+        data.capacity = data.size + 1;
+        data.ptr = new char[data.capacity];
+        data.ptr[sz] = '\0';
+        return data.ptr;
+    }
+}
+
 void String::setOnHeap() { *reinterpret_cast<unsigned char*>(&buf[last]) = 
128; }
 void String::setLast(unsigned in) { buf[last] = char(in); }
 
 void String::copy(const String& other) {
-    using namespace std;
     if(other.isOnStack()) {
         memcpy(buf, other.buf, len);
     } else {
-        setOnHeap();
-        data.size     = other.data.size;
-        data.capacity = data.size + 1;
-        data.ptr      = new char[data.capacity];
-        memcpy(data.ptr, other.data.ptr, data.size + 1);
+        memcpy(allocate(other.data.size), other.data.ptr, other.data.size);
     }
 }
 
@@ -3357,19 +3455,11 @@ String::String(const char* in)
         : String(in, strlen(in)) {}
 
 String::String(const char* in, unsigned in_size) {
-    using namespace std;
-    if(in_size <= last) {
-        memcpy(buf, in, in_size);
-        buf[in_size] = '\0';
-        setLast(last - in_size);
-    } else {
-        setOnHeap();
-        data.size     = in_size;
-        data.capacity = data.size + 1;
-        data.ptr      = new char[data.capacity];
-        memcpy(data.ptr, in, in_size);
-        data.ptr[in_size] = '\0';
-    }
+    memcpy(allocate(in_size), in, in_size);
+}
+
+String::String(std::istream& in, unsigned in_size) {
+    in.read(allocate(in_size), in_size);
 }
 
 String::String(const String& other) { copy(other); }
@@ -3389,7 +3479,6 @@ String& String::operator+=(const String& other) {
     const unsigned my_old_size = size();
     const unsigned other_size  = other.size();
     const unsigned total_size  = my_old_size + other_size;
-    using namespace std;
     if(isOnStack()) {
         if(total_size < len) {
             // append to the current stack space
@@ -3437,14 +3526,12 @@ String& String::operator+=(const String& other) {
 }
 
 String::String(String&& other) {
-    using namespace std;
     memcpy(buf, other.buf, len);
     other.buf[0] = '\0';
     other.setLast();
 }
 
 String& String::operator=(String&& other) {
-    using namespace std;
     if(this != &other) {
         if(!isOnStack())
             delete[] data.ptr;
@@ -3650,7 +3737,7 @@ DOCTEST_TO_STRING_OVERLOAD(int long long unsigned, "%llu")
 String toString(std::nullptr_t) { return "NULL"; }
 
 #if DOCTEST_MSVC >= DOCTEST_COMPILER(19, 20, 0)
-// see this issue on why this is needed: 
https://github.com/onqtam/doctest/issues/183
+// see this issue on why this is needed: 
https://github.com/doctest/doctest/issues/183
 String toString(const std::string& in) { return in.c_str(); }
 #endif // VS 2019
 
@@ -3884,8 +3971,8 @@ namespace detail {
         DOCTEST_ITERATE_THROUGH_REPORTERS(subcase_start, m_signature);
     }
 
-    DOCTEST_MSVC_SUPPRESS_WARNING_WITH_PUSH(4996) // std::uncaught_exception 
is deprecated in C++17    
-    DOCTEST_GCC_SUPPRESS_WARNING_WITH_PUSH("-Wdeprecated-declarations")        
+    DOCTEST_MSVC_SUPPRESS_WARNING_WITH_PUSH(4996) // std::uncaught_exception 
is deprecated in C++17
+    DOCTEST_GCC_SUPPRESS_WARNING_WITH_PUSH("-Wdeprecated-declarations")
     DOCTEST_CLANG_SUPPRESS_WARNING_WITH_PUSH("-Wdeprecated-declarations")
 
     Subcase::~Subcase() {
@@ -3912,8 +3999,8 @@ namespace detail {
         }
     }
 
-    DOCTEST_CLANG_SUPPRESS_WARNING_POP 
-    DOCTEST_GCC_SUPPRESS_WARNING_POP   
+    DOCTEST_CLANG_SUPPRESS_WARNING_POP
+    DOCTEST_GCC_SUPPRESS_WARNING_POP
     DOCTEST_MSVC_SUPPRESS_WARNING_POP
 
     Subcase::operator bool() const { return m_entered; }
@@ -4031,29 +4118,6 @@ namespace {
         return suiteOrderComparator(lhs, rhs);
     }
 
-#ifdef DOCTEST_CONFIG_COLORS_WINDOWS
-    HANDLE g_stdoutHandle;
-    WORD   g_origFgAttrs;
-    WORD   g_origBgAttrs;
-    bool   g_attrsInited = false;
-
-    int colors_init() {
-        if(!g_attrsInited) {
-            g_stdoutHandle = GetStdHandle(STD_OUTPUT_HANDLE);
-            g_attrsInited = true;
-            CONSOLE_SCREEN_BUFFER_INFO csbiInfo;
-            GetConsoleScreenBufferInfo(g_stdoutHandle, &csbiInfo);
-            g_origFgAttrs = csbiInfo.wAttributes & ~(BACKGROUND_GREEN | 
BACKGROUND_RED |
-                                                     BACKGROUND_BLUE | 
BACKGROUND_INTENSITY);
-            g_origBgAttrs = csbiInfo.wAttributes & ~(FOREGROUND_GREEN | 
FOREGROUND_RED |
-                                                     FOREGROUND_BLUE | 
FOREGROUND_INTENSITY);
-        }
-        return 0;
-    }
-
-    int dummy_init_console_colors = colors_init();
-#endif // DOCTEST_CONFIG_COLORS_WINDOWS
-
     DOCTEST_CLANG_SUPPRESS_WARNING_WITH_PUSH("-Wdeprecated-declarations")
     void color_to_stream(std::ostream& s, Color::Enum code) {
         static_cast<void>(s);    // for DOCTEST_CONFIG_COLORS_NONE or 
DOCTEST_CONFIG_COLORS_WINDOWS
@@ -4090,7 +4154,23 @@ namespace {
            (_isatty(_fileno(stdout)) == false && 
getContextOptions()->force_colors == false))
             return;
 
-#define DOCTEST_SET_ATTR(x) SetConsoleTextAttribute(g_stdoutHandle, x | 
g_origBgAttrs)
+        static struct ConsoleHelper {
+            HANDLE stdoutHandle;
+            WORD   origFgAttrs;
+            WORD   origBgAttrs;
+
+            ConsoleHelper() {
+                stdoutHandle = GetStdHandle(STD_OUTPUT_HANDLE);
+                CONSOLE_SCREEN_BUFFER_INFO csbiInfo;
+                GetConsoleScreenBufferInfo(stdoutHandle, &csbiInfo);
+                origFgAttrs = csbiInfo.wAttributes & ~(BACKGROUND_GREEN | 
BACKGROUND_RED |
+                    BACKGROUND_BLUE | BACKGROUND_INTENSITY);
+                origBgAttrs = csbiInfo.wAttributes & ~(FOREGROUND_GREEN | 
FOREGROUND_RED |
+                    FOREGROUND_BLUE | FOREGROUND_INTENSITY);
+            }
+        } ch;
+
+#define DOCTEST_SET_ATTR(x) SetConsoleTextAttribute(ch.stdoutHandle, x | 
ch.origBgAttrs)
 
         // clang-format off
         switch (code) {
@@ -4107,7 +4187,7 @@ namespace {
             case Color::BrightWhite: DOCTEST_SET_ATTR(FOREGROUND_INTENSITY | 
FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE); break;
             case Color::None:
             case Color::Bright: // invalid
-            default:                 DOCTEST_SET_ATTR(g_origFgAttrs);
+            default:                 DOCTEST_SET_ATTR(ch.origFgAttrs);
         }
             // clang-format on
 #endif // DOCTEST_CONFIG_COLORS_WINDOWS
@@ -4259,8 +4339,8 @@ namespace detail {
         g_infoContexts.push_back(this);
     }
 
-    DOCTEST_MSVC_SUPPRESS_WARNING_WITH_PUSH(4996) // std::uncaught_exception 
is deprecated in C++17    
-    DOCTEST_GCC_SUPPRESS_WARNING_WITH_PUSH("-Wdeprecated-declarations")        
+    DOCTEST_MSVC_SUPPRESS_WARNING_WITH_PUSH(4996) // std::uncaught_exception 
is deprecated in C++17
+    DOCTEST_GCC_SUPPRESS_WARNING_WITH_PUSH("-Wdeprecated-declarations")
     DOCTEST_CLANG_SUPPRESS_WARNING_WITH_PUSH("-Wdeprecated-declarations")
 
     // destroy cannot be inlined into the destructor because that would mean 
calling stringify after
@@ -4279,8 +4359,8 @@ namespace detail {
         g_infoContexts.pop_back();
     }
 
-    DOCTEST_CLANG_SUPPRESS_WARNING_POP 
-    DOCTEST_GCC_SUPPRESS_WARNING_POP   
+    DOCTEST_CLANG_SUPPRESS_WARNING_POP
+    DOCTEST_GCC_SUPPRESS_WARNING_POP
     DOCTEST_MSVC_SUPPRESS_WARNING_POP
 } // namespace detail
 namespace {
@@ -4640,7 +4720,7 @@ namespace detail {
             std::abort();
     }
 
-    void decomp_assert(assertType::Enum at, const char* file, int line, const 
char* expr,
+    bool decomp_assert(assertType::Enum at, const char* file, int line, const 
char* expr,
                        Result result) {
         bool failed = !result.m_passed;
 
@@ -4651,20 +4731,30 @@ namespace detail {
         DOCTEST_ASSERT_OUT_OF_TESTS(result.m_decomp);
         DOCTEST_ASSERT_IN_TESTS(result.m_decomp);
         // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks)
+        return !failed;
     }
 
     MessageBuilder::MessageBuilder(const char* file, int line, 
assertType::Enum severity) {
-        m_stream   = getTlsOss();
+        m_stream   = tlssPush();
         m_file     = file;
         m_line     = line;
         m_severity = severity;
     }
 
+    MessageBuilder::~MessageBuilder() {
+        if (!logged)
+            tlssPop();
+    }
+
     IExceptionTranslator::IExceptionTranslator()  = default;
     IExceptionTranslator::~IExceptionTranslator() = default;
 
     bool MessageBuilder::log() {
-        m_string = getTlsOssResult();
+        if (!logged) {
+            m_string = tlssPop();
+            logged = true;
+        }
+        
         DOCTEST_ITERATE_THROUGH_REPORTERS(log_message, *this);
 
         const bool isWarn = m_severity & assertType::is_warn;
@@ -4683,29 +4773,10 @@ namespace detail {
         if(m_severity & assertType::is_require) //!OCLINT bitwise operator in 
conditional
             throwException();
     }
-
-    MessageBuilder::~MessageBuilder() = default;
 } // namespace detail
 namespace {
     using namespace detail;
 
-    template <typename Ex>
-    DOCTEST_NORETURN void throw_exception(Ex const& e) {
-#ifndef DOCTEST_CONFIG_NO_EXCEPTIONS
-        throw e;
-#else  // DOCTEST_CONFIG_NO_EXCEPTIONS
-        std::cerr << "doctest will terminate because it needed to throw an 
exception.\n"
-                  << "The message was: " << e.what() << '\n';
-        std::terminate();
-#endif // DOCTEST_CONFIG_NO_EXCEPTIONS
-    }
-
-#ifndef DOCTEST_INTERNAL_ERROR
-#define DOCTEST_INTERNAL_ERROR(msg)                                            
                    \
-    throw_exception(std::logic_error(                                          
                    \
-            __FILE__ ":" DOCTEST_TOSTR(__LINE__) ": Internal doctest error: " 
msg))
-#endif // DOCTEST_INTERNAL_ERROR
-
     // clang-format off
 
 // 
=================================================================================================
@@ -6701,13 +6772,6 @@ DOCTEST_MSVC_SUPPRESS_WARNING_POP
         DOCTEST_ITERATE_THROUGH_REPORTERS(report_query, qdata);
     }
 
-    // see these issues on the reasoning for this:
-    // - https://github.com/onqtam/doctest/issues/143#issuecomment-414418903
-    // - https://github.com/onqtam/doctest/issues/126
-    auto DOCTEST_FIX_FOR_MACOS_LIBCPP_IOSFWD_STRING_LINK_ERRORS = []() 
DOCTEST_NOINLINE
-        { std::cout << std::string(); };
-    DOCTEST_FIX_FOR_MACOS_LIBCPP_IOSFWD_STRING_LINK_ERRORS();
-
     return cleanup_and_return();
 }
 
@@ -6746,5 +6810,7 @@ DOCTEST_CLANG_SUPPRESS_WARNING_POP
 DOCTEST_MSVC_SUPPRESS_WARNING_POP
 DOCTEST_GCC_SUPPRESS_WARNING_POP
 
+DOCTEST_SUPPRESS_COMMON_WARNINGS_POP
+
 #endif // DOCTEST_LIBRARY_IMPLEMENTATION
 #endif // DOCTEST_CONFIG_IMPLEMENT

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