Author: sebor
Date: Thu Feb 9 17:23:08 2006
New Revision: 376525
URL: http://svn.apache.org/viewcvs?rev=376525&view=rev
Log:
2006-02-09 Martin Sebor <[EMAIL PROTECTED]>
STDCXX-4
* 27.objects.cpp: New test exercising lib.iostream.objects.
Added:
incubator/stdcxx/trunk/tests/iostream/27.objects.cpp (with props)
Added: incubator/stdcxx/trunk/tests/iostream/27.objects.cpp
URL:
http://svn.apache.org/viewcvs/incubator/stdcxx/trunk/tests/iostream/27.objects.cpp?rev=376525&view=auto
==============================================================================
--- incubator/stdcxx/trunk/tests/iostream/27.objects.cpp (added)
+++ incubator/stdcxx/trunk/tests/iostream/27.objects.cpp Thu Feb 9 17:23:08
2006
@@ -0,0 +1,438 @@
+/***************************************************************************
+ *
+ * 27.objects.cpp - test exercising lib.iostream.objects
+ *
+ * $Id$
+ *
+ ***************************************************************************
+ *
+ * Copyright (c) 1994-2005 Quovadx, Inc., acting through its Rogue Wave
+ * Software division. Licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0. Unless required by
+ * applicable law or agreed to in writing, software distributed under
+ * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied. See the License
+ * for the specific language governing permissions and limitations under
+ * the License.
+ *
+ **************************************************************************/
+
+#include <driver.h>
+
+// If the following macro is defined, then new header provides
+// an implementation for operator new [] & delete []; undef them here
+// so that the test can provide its own implementation for these operators
+#undef _RWSTD_NO_OPERATOR_NEW_ARRAY
+#undef _RWSTD_NO_OPERATOR_DELETE_ARRAY
+
+
+#if defined (__IBMCPP__) && !defined (_RWSTD_NO_IMPLICIT_INCLUSION)
+ // disable implicit inclusion to work around
+ // a limitation in IBM VisualAge 5.0.2.0 (PR #26959)
+
+# define _RWSTD_NO_IMPLICIT_INCLUSION
+#endif
+
+#if !defined (_MSC_VER) || _MSC_VER > 1300
+ // prevent out-of-line template definitions in .cc files from being
+ // explicitly #included during the processing of library headers (faster
+ // compilation) assumes that the test doesn't instantiate those templates
+ // on types other than those they were explcitly instantiated on (will
+ // have no effect if explicit instantiation is disabled or unsupported)
+# define _RWSTD_NO_TEMPLATE_DEFINITIONS
+#endif // !defined (_MSC_VER) || _MSC_VER > 1300
+
+
+struct LifetimeChecker
+{
+ LifetimeChecker ();
+
+ ~LifetimeChecker ();
+
+} lifetime_check;
+
+
+#if defined (_WIN32) | defined (_WIN64)
+ // bring in <windows.h> as a compilation test to exercise
+ // any potential collisions with our declarations
+# include <windows.h>
+#endif
+
+// include <iostream> *after* the definition of the global
+// lifetime_checker object to exercise initialization and
+// lifetime dependencies
+#include <iostream> // for cin, cout, ...
+#include <cstdlib> // for free(), malloc()
+
+// make sure using declarations work (the test doesn't actually exploit
+// the fact that the names are introduced into the global namespace)
+
+_USING (std::cin);
+_USING (std::cout);
+_USING (std::cerr);
+_USING (std::clog);
+
+#ifndef _RWSTD_NO_WCHAR_T
+
+_USING (std::wcin);
+_USING (std::wcout);
+_USING (std::wcerr);
+_USING (std::wclog);
+
+#endif // _RWSTD_NO_WCHAR_T
+
+/**************************************************************************/
+
+int init_new_calls; // number of calls to operator new during initialization
+int init_delete_calls; // and operator delete
+int new_calls; // total number of calls to operator new
+int delete_calls; // and operator delete
+
+int rw_opt_no_global_dtors; // for --no-global-dtors
+int rw_opt_no_replacement_new; // for --no-replacement-new
+int rw_opt_no_replacement_delete; // for --no-replacement-delete
+
+/**************************************************************************/
+
+LifetimeChecker::LifetimeChecker ()
+{
+ // iostreams not yet initialized here
+ // <iostream> must be included before the definition of any
+ // global object whose ctor uses any of the standard objects
+}
+
+
+LifetimeChecker::~LifetimeChecker ()
+{
+ if (rw_opt_no_global_dtors) {
+ rw_note (0, 0, __LINE__, "test of global dtors disabled");
+ }
+ else {
+ // objects must not be destroyed during program lifetime
+ // try to use them in the destructor of a global object...
+ std::cout << "[output from the dtor of a global object]";
+
+ std::cout << "[cout]";
+ std::cerr << "[cerr]";
+ std::clog << "[clog]";
+
+#ifndef _RWSTD_NO_WCHAR_T
+
+ std::wcout << "[wcout]";
+ std::wcerr << "[wcerr]";
+ std::wclog << "[wclog]";
+
+#endif // _RWSTD_NO_WCHAR_T
+
+ }
+}
+
+/**************************************************************************/
+
+template <class charT>
+void do_test (charT)
+{
+ rw_info (0, 0, 0, "checking whether objects are initialized");
+
+ // objects must exist
+ rw_assert ( 0 != &std::cin && 0 != &std::cout
+ && 0 != &std::cerr && 0 != &std::clog,
+ 0, __LINE__, "std::cin, cout, cerr, or clog address 0");
+
+ rw_info (0, 0, __LINE__, "checking tied stream objects");
+
+ int new_0 = new_calls;
+
+ // exercise 27.3.1, p2
+ rw_assert (&std::cout == std::cin.tie (&std::cout), 0, __LINE__,
+ "&std::cout == std::cin.tie (&std::cout)");
+ rw_assert (0 == std::cout.tie (), 0, __LINE__,
+ "0 == std::cout.tie ()");
+ rw_assert (0 == std::cerr.tie (), 0, __LINE__,
+ "0 == std::cerr.tie ()");
+ rw_assert (0 == std::clog.tie (), 0, __LINE__,
+ "0 == std::clog.tie ()");
+
+ rw_assert (0 == new_calls - new_0, 0, __LINE__,
+ "unexpected dynamic memory allocation");
+
+ rw_info (0, 0, __LINE__, "checking for std::ios_base::unitbuf in flags");
+
+ new_0 = new_calls;
+
+ // exercise 27.3.1, p3
+ rw_assert (!(std::ios::unitbuf & std::cout.flags ()), 0, __LINE__,
+ "std::ios::unitbuf & std::cout.flags ()");
+
+ // exercise 27.3.1, p5
+ rw_assert (!!(std::ios::unitbuf & std::cerr.flags ()), 0, __LINE__,
+ "std::ios::unitbuf & std::cerr.flags ()");
+
+ // exercise 27.3.1, p6
+ rw_assert (!(std::ios::unitbuf & std::clog.flags ()), 0, __LINE__,
+ "std::ios::unitbuf & std::clog.flags ()");
+
+ rw_assert (0 == new_calls - new_0, 0, __LINE__,
+ "unexpected dynamic memory allocation");
+
+#ifndef _RWSTD_NO_WCHAR_T
+
+ rw_assert ( 0 != &std::wcin && 0 != &std::wcout
+ && 0 != &std::wcerr && 0 != &std::wclog,
+ 0, __LINE__, "std::wcin, wcout, wcerr, or wclog address 0");
+
+ new_0 = new_calls;
+
+ // exercise 27.3.2, p2
+ rw_assert (&std::wcout == std::wcin.tie (&std::wcout), 0, __LINE__,
+ "&std::wcout == std::wcin.tie (&std::wcout)");
+ rw_assert (0 == std::wcout.tie (), 0, __LINE__,
+ "0 == std::wcout.tie ()");
+ rw_assert (0 == std::wcerr.tie (), 0, __LINE__,
+ "0 == std::wcerr.tie ()");
+ rw_assert (0 == std::wclog.tie (), 0, __LINE__,
+ "0 == std::wclog.tie ()");
+
+ rw_assert (0 == new_calls - new_0, 0, __LINE__,
+ "unexpected dynamic memory allocation");
+
+ new_0 = new_calls;
+
+ // exercise 27.3.2, p3
+ rw_assert (!(std::wios::unitbuf & std::wcout.flags ()), 0, __LINE__,
+ "std::wios::unitbuf & std::wcout.flags ()");
+
+ // exercise 27.3.2, p5
+ rw_assert (!!(std::wios::unitbuf & std::wcerr.flags ()), 0, __LINE__,
+ "std::wios::unitbuf & std::wcerr.flags ()");
+
+ // exercise 27.3.2, p6
+ rw_assert (!(std::wios::unitbuf & std::wclog.flags ()), 0, __LINE__,
+ "std::wios::unitbuf & std::wclog.flags ()");
+
+ rw_assert (0 == new_calls - new_0, 0, __LINE__,
+ "unexpected dynamic memory allocation");
+
+#endif // _RWSTD_NO_WCHAR_T
+
+ std::cout << 0.0;
+ std::cerr << 0.0;
+ std::clog << 0.0;
+
+#ifndef _RWSTD_NO_WCHAR_T
+
+ std::wcout << 0.0;
+ std::wcerr << 0.0;
+ std::wclog << 0.0;
+
+#endif // _RWSTD_NO_WCHAR_T
+
+ std::cout << std::endl;
+
+
+ rw_info (0, 0, __LINE__, "exercising the ability to tie each stream "
+ "to itself without causing a deadlock");
+
+ std::cout.tie (&std::cout);
+ std::cout << std::cout.tie () << ' ';
+
+ std::cerr.tie (&std::cerr);
+ std::cerr << std::cerr.tie () << ' ';
+
+ std::clog.tie (&std::clog);
+ std::clog << std::clog.tie () << ' ';
+
+#ifndef _RWSTD_NO_WCHAR_T
+
+ std::wcout.tie (&std::wcout);
+ std::wcout << std::wcout.tie () << ' ';
+
+ std::wcerr.tie (&std::wcerr);
+ std::wcerr << std::wcerr.tie () << ' ';
+
+ std::wclog.tie (&std::wclog);
+ std::wclog << std::wclog.tie () << ' ';
+
+#endif // _RWSTD_NO_WCHAR_T
+
+
+ rw_info (0, 0, __LINE__, "exercising the ability to tie stream objects "
+ "together without causing a deadlock");
+
+ std::cout.tie (&std::cerr);
+ std::cout << std::cout.tie () << ' ';
+
+ std::cerr.tie (&std::cout);
+ std::cerr << std::cerr.tie () << ' ';
+
+ std::clog.tie (&std::cout);
+ std::clog << std::clog.tie () << ' ';
+
+ // untie all streams to free any memory dynamically
+ // allocated by calling tie (p) with (p != 0)
+ std::cin.tie (0);
+ std::cout.tie (0);
+ std::cerr.tie (0);
+ std::clog.tie (0);
+
+#ifndef _RWSTD_NO_WCHAR_T
+
+ std::wcout.tie (&std::wcerr);
+ std::wcout << std::wcout.tie () << ' ';
+
+ std::wcerr.tie (&std::wcout);
+ std::wcerr << std::wcerr.tie () << ' ';
+
+ std::wclog.tie (&std::wcout);
+ std::wclog << std::wclog.tie () << ' ';
+
+ // untie all streams to free any memory dynamically
+ // allocated by calling tie (p) with (p != 0)
+ std::wcin.tie (0);
+ std::wcout.tie (0);
+ std::wcerr.tie (0);
+ std::wclog.tie (0);
+
+#endif // _RWSTD_NO_WCHAR_T
+
+ std::cout << std::endl;
+}
+
+/**************************************************************************/
+
+static int
+run_test (int, char*[])
+{
+ const int new_0 = new_calls;
+ const int delete_0 = delete_calls;
+
+ do_test (char ());
+
+ const int new_1 = new_calls - new_0;
+ const int delete_1 = delete_calls - delete_0;
+
+ // verify that test doesn't leak any dynamically allocated storage
+ rw_assert (0 == new_1 - delete_1, 0, __LINE__,
+ "test leaked %d blocks of memory", new_1 - delete_1);
+ rw_assert (0 == init_new_calls, 0, __LINE__,
+ "iostream initialization called operator new() %d times, "
+ "0 expected", init_new_calls);
+
+#ifdef _RWSTD_NO_REPLACEABLE_NEW_DELETE
+
+ rw_warning (0, 0, __LINE__,
+ "replacement operators new and delete not tested: "
+ "_RWSTD_NO_REPLACEABLE_NEW_DELETE #defined");
+
+#endif // _RWSTD_NO_REPLACEABLE_NEW_DELETE
+
+ return 0;
+}
+
+/**************************************************************************/
+
+#ifndef _RWSTD_NO_REPLACEABLE_NEW_DELETE
+
+# include <new>
+
+# ifndef _RWSTD_BAD_ALLOC
+ // #define if not #defined by <new> (SunPro #includes its
+ // own <new> regardless of the preprocessor search path)
+# define _RWSTD_BAD_ALLOC _STD::bad_alloc
+# endif // _RWSTD_BAD_ALLOC
+
+
+void* operator new (std::size_t n) _THROWS ((_RWSTD_BAD_ALLOC))
+{
+ static int recursion;
+
+ ++recursion;
+
+ if (rw_opt_no_replacement_new) {
+ static int noted; // prevent multiple notes
+
+ rw_note (noted++, 0, __LINE__,
+ "test of replacement operator new disabled");
+ }
+ else if (rw_warn (1 == recursion, 0, __LINE__,
+ "recursive call to replacement operator new()")) {
+ // initialize iostreams (verifies that initialization
+ // succeeds and is complete even if it occurs recursively)
+ static std::ios_base::Init io_initializer;
+
+ // use cout from within new to verify that the static local
+ // ios_base::Init properly initializes iostream objects
+ std::cout << "[replacement operator new (" << n << ")]\n";
+ }
+
+ ++new_calls;
+
+ --recursion;
+
+ void* const ptr = std::malloc (n);
+ if (!ptr)
+ _THROW (_RWSTD_BAD_ALLOC ());
+
+ return ptr;
+}
+
+
+void operator delete (void *ptr) _THROWS (())
+{
+ static int recursion;
+
+ ++recursion;
+
+ if (rw_opt_no_replacement_delete) {
+ static int noted; // prevent multiple notes
+
+ rw_note (noted++, 0, __LINE__,
+ "test of replacement operator delete disabled");
+ }
+ else if (rw_warn (1 == recursion, 0, __LINE__,
+ "recursive call to replacement operator delete()")) {
+ std::cout << "[replacement operator delete (" << ptr << ")]\n";
+ }
+
+ --recursion;
+
+ if (ptr)
+ ++delete_calls;
+
+ std::free (ptr);
+}
+
+
+void* operator new[] (std::size_t n) _THROWS ((_RWSTD_BAD_ALLOC))
+{
+ return operator new (n);
+}
+
+
+void operator delete[] (void *p) _THROWS (())
+{
+ operator delete (p);
+}
+
+#endif // _RWSTD_NO_REPLACEABLE_NEW_DELETE
+
+/**************************************************************************/
+
+int main (int argc, char *argv[])
+{
+ init_new_calls = new_calls;
+ init_delete_calls = delete_calls;
+
+ return rw_test (argc, argv, __FILE__,
+ "lib.iostream.objects",
+ 0, // no comment
+ run_test,
+ "|-no-global-dtors# "
+ "|-no-replacement-new# "
+ "|-no-replacement-delete#",
+ &rw_opt_no_global_dtors,
+ &rw_opt_no_replacement_new,
+ &rw_opt_no_replacement_delete);
+}
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