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GLib tests: Add test for g_win32_clear_com()

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This mimicks the test for g_clear_object() in gobject/tests/reference.c.

We use the system's wincodec library for our sample here.
This commit is contained in:
Chun-wei Fan 2024-12-09 13:17:14 +08:00
parent aff6b930a1
commit 5642331603
3 changed files with 31 additions and 1 deletions
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4
glib/tests/meson.build
View File

@ -246,7 +246,9 @@ if host_machine.system() == 'windows'
}
endif
glib_tests += {
'win32' : {},
'win32' : {
'dependencies' : [wincodecs],
},
}
else
glib_tests += {

25
glib/tests/win32.c
View File

@ -28,6 +28,9 @@
#include <stdio.h>
#include <windows.h>
#define COBJMACROS
#include <wincodec.h>
static char *argv0 = NULL;
#include "../gwin32-private.c"
@ -154,6 +157,27 @@ veh_debugger (int argc, char *argv[])
g_fprintf (stderr, "Debugger invoked, attaching to %lu and signalling %" G_GUINTPTR_FORMAT, pid, event);
}
static void
test_clear_com (void)
{
IWICImagingFactory *o = NULL;
IWICImagingFactory *tmp;
CoInitialize (NULL);
g_win32_clear_com (&o);
g_assert_null (o);
g_assert_true (SUCCEEDED (CoCreateInstance (&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER, &IID_IWICImagingFactory, (void **)&tmp)));
g_assert_nonnull (tmp);
IWICImagingFactory_QueryInterface (tmp, &IID_IWICImagingFactory, (void **)&o); /* IWICImagingFactory_QueryInterface increments the refcount */
g_assert_nonnull (o);
g_assert_cmpint (IWICImagingFactory_AddRef (o), ==, 3); /* refcount incremented again */
g_win32_clear_com (&o);
g_assert_null (o);
IWICImagingFactory_Release (tmp);
CoUninitialize ();
}
int
main (int argc,
char *argv[])
@ -177,6 +201,7 @@ main (int argc,
g_test_add_func ("/win32/subprocess/debuggee", test_veh_debuggee);
g_test_add_func ("/win32/subprocess/access_violation", test_access_violation);
g_test_add_func ("/win32/subprocess/illegal_instruction", test_illegal_instruction);
g_test_add_func ("/win32/com/clear", test_clear_com);
return g_test_run();
}

3
meson.build
View File

@ -2338,8 +2338,11 @@ endif
if host_system == 'windows'
winsock2 = cc.find_library('ws2_32')
# Used for g_win32_clear_com() tests...
wincodecs = cc.find_library('windowscodecs')
else
winsock2 = not_found
wincodecs = not_found
endif
selinux_dep = []