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tests: Add C++ tests for typechecking with atomic compare and exchanges

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The tests have to be conditional on C++11 being enabled, as the default
C++ standard on macOS is (for some reason), C++97 (`__cplusplus` is
defined as `199711L`).

Signed-off-by: Philip Withnall <pwithnall@endlessos.org>

Helps: #2625
This commit is contained in:
Philip Withnall 2022-04-01 13:44:45 +01:00
parent 62a60f1d60
commit 0e33f1110f
1 changed files with 36 additions and 0 deletions
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36
glib/tests/cxx.cpp
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@ -53,6 +53,40 @@ test_typeof (void)
#endif
}
static void
test_atomic_pointer_compare_and_exchange (void)
{
#if __cplusplus >= 201103L
const gchar *str1 = "str1";
const gchar *str2 = "str2";
const gchar *atomic_string = str1;
g_test_message ("Test that g_atomic_pointer_compare_and_exchange() with a "
"non-void* pointer doesn’t have any compiler warnings in C++ mode");
g_assert_true (g_atomic_pointer_compare_and_exchange (&atomic_string, str1, str2));
g_assert_true (atomic_string == str2);
#else
g_test_skip ("This test requires a C++11 compiler");
#endif
}
static void
test_atomic_int_compare_and_exchange (void)
{
#if __cplusplus >= 201103L
gint atomic_int = 5;
g_test_message ("Test that g_atomic_int_compare_and_exchange() doesn’t have "
"any compiler warnings in C++ mode");
g_assert_true (g_atomic_int_compare_and_exchange (&atomic_int, 5, 50));
g_assert_cmpint (atomic_int, ==, 50);
#else
g_test_skip ("This test requires a C++11 compiler");
#endif
}
int
main (int argc, char *argv[])
{
@ -63,6 +97,8 @@ main (int argc, char *argv[])
#endif
g_test_add_func ("/C++/typeof", test_typeof);
g_test_add_func ("/C++/atomic-pointer-compare-and-exchange", test_atomic_pointer_compare_and_exchange);
g_test_add_func ("/C++/atomic-int-compare-and-exchange", test_atomic_int_compare_and_exchange);
return g_test_run ();
}