Tested aarch64-linux. Pushed to trunk.
-- >8 --
I forgot to 'git add' these files in the commit that added the new
member function to basic_filebuf.
libstdc++-v3/ChangeLog:
* testsuite/27_io/basic_filebuf/native_handle/char/1.cc: New test.
* testsuite/27_io/basic_filebuf/native_handle/wchar_t/1.cc: New test.
---
.../basic_filebuf/native_handle/char/1.cc | 61 +++++++++++++++++++
.../basic_filebuf/native_handle/wchar_t/1.cc | 55 +++++++++++++++++
2 files changed, 116 insertions(+)
create mode 100644
libstdc++-v3/testsuite/27_io/basic_filebuf/native_handle/char/1.cc
create mode 100644
libstdc++-v3/testsuite/27_io/basic_filebuf/native_handle/wchar_t/1.cc
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/native_handle/char/1.cc
b/libstdc++-v3/testsuite/27_io/basic_filebuf/native_handle/char/1.cc
new file mode 100644
index 00000000000..749451a4c81
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/native_handle/char/1.cc
@@ -0,0 +1,61 @@
+// { dg-options "-fno-inline" }
+// { dg-do run { target c++26 } }
+// { dg-additional-files "filebuf_members-1.txt" }
+
+#include <fstream>
+
+#ifndef __cpp_lib_fstream_native_handle
+# error "Feature-test macro for fstream_native_handle missing in <fstream>"
+#elif __cpp_lib_fstream_native_handle != 202306L
+# error "Feature-test macro for fstream_native_handle has wrong value in
<fstream>"
+#endif
+
+using type = std::basic_filebuf<char>::native_handle_type;
+
+#include <cstdio> // std::fclose(FILE*)
+#if __has_include(<unistd.h>)
+# include <unistd.h> // close(int)
+#endif
+#if __has_include(<handleapi.h>)
+# include <handleapi.h> // CloseHandle(HANDLE)
+#endif
+
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+ std::filebuf f;
+ f.open("filebuf_members-1.txt", std::ios::in);
+ type handle = f.native_handle();
+
+ auto native_close = []<typename HandleT>(HandleT handle) {
+ if constexpr (std::is_same_v<HandleT, std::FILE*>)
+ std::fclose(handle); // --enable-cstdio=stdio_pure
+#if __has_include(<unistd.h>)
+ else if constexpr (std::is_same_v<HandleT, int>)
+ ::close(handle); // POSIX
+#endif
+#if __has_include(<handleapi.h>)
+ else if constexpr (std::is_same_v<HandleT, void*>)
+ ::CloseHandle(handle); // Windows
+#endif
+ else
+ VERIFY( false );
+ };
+ native_close(handle);
+
+ try
+ {
+ f.sgetc();
+ VERIFY( false );
+ }
+ catch (const std::ios::failure&)
+ {
+ }
+}
+
+int main()
+{
+ test01();
+}
diff --git
a/libstdc++-v3/testsuite/27_io/basic_filebuf/native_handle/wchar_t/1.cc
b/libstdc++-v3/testsuite/27_io/basic_filebuf/native_handle/wchar_t/1.cc
new file mode 100644
index 00000000000..7ee5e4e8f53
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/native_handle/wchar_t/1.cc
@@ -0,0 +1,55 @@
+// { dg-options "-fno-inline" }
+// { dg-do run { target c++26 } }
+// { dg-additional-files "filebuf_members-1.txt" }
+
+#include <fstream>
+
+using type = std::basic_filebuf<wchar_t>::native_handle_type;
+
+#include <cstdio> // std::fclose(FILE*)
+#if __has_include(<unistd.h>)
+# include <unistd.h> // close(int)
+#endif
+#if __has_include(<handleapi.h>)
+# include <handleapi.h> // CloseHandle(HANDLE)
+#endif
+
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+ std::wfilebuf f;
+ f.open("filebuf_members-1.txt", std::wios::in);
+ type handle = f.native_handle();
+
+ auto native_close = []<typename HandleT>(HandleT handle) {
+ if constexpr (std::is_same_v<HandleT, std::FILE*>)
+ std::fclose(handle); // --enable-cstdio=stdio_pure
+#if __has_include(<unistd.h>)
+ else if constexpr (std::is_same_v<HandleT, int>)
+ ::close(handle); // POSIX
+#endif
+#if __has_include(<handleapi.h>)
+ else if constexpr (std::is_same_v<HandleT, void*>)
+ ::CloseHandle(handle); // Windows
+#endif
+ else
+ VERIFY( false );
+ };
+ native_close(handle);
+
+ try
+ {
+ f.sgetc();
+ VERIFY( false );
+ }
+ catch (const std::ios::failure&)
+ {
+ }
+}
+
+int main()
+{
+ test01();
+}
--
2.41.0
