+/**
+ * Test case for PostThreadMessage
+ * (C) 2003 ReactOS
+ * License: LGPL
+ * See: LGPL.txt in top directory.
+ * Author: arty
+ *
+ * Windows thread message queue test case.
+ * Derived from ../event/event.c in part.
+ */
+
+#include <windows.h>
+#include <stdio.h>
+#include <assert.h>
+
+HANDLE hWaitForFailure;
+HANDLE hOkToPostThreadMessage;
+HANDLE hOkToTerminate;
+
+DWORD WINAPI thread( LPVOID crap )
+{
+ MSG msg;
+
+ /* Failure case ... Wait for the parent to try to post a message
+ before queue creation */
+ printf( "Waiting to create the message queue.\n" );
+
+ WaitForSingleObject(hWaitForFailure,INFINITE);
+
+ printf( "Creating message queue.\n" );
+
+ /* "Create" a message queue */
+ PeekMessage( &msg, NULL, 0, 0, PM_NOREMOVE );
+
+ printf( "Signalling the parent that we're ready.\n" );
+
+ /* Signal that it's ok to post */
+ SetEvent( hOkToPostThreadMessage );
+
+ printf( "Listening messages.\n" );
+
+ /* Now read some messages */
+ while( GetMessage( &msg, 0,0,0 ) ) {
+ printf( "Received message: %04x %04x %08x\n",
+ (msg.message & 0xffff),
+ (msg.wParam & 0xffff),
+ msg.lParam );
+ assert( !msg.hwnd );
+ }
+
+ printf( "Finished receiving messages.\n" );
+ SetEvent( hOkToTerminate );
+
+ return 0;
+}
+
+int main( int argc, char **argv )
+{
+ DWORD id, Status;
+
+ printf( "Creating events\n" );
+
+ hOkToPostThreadMessage = CreateEvent( NULL, FALSE, FALSE, NULL );
+ hOkToTerminate = CreateEvent( NULL, FALSE, FALSE, NULL );
+ hWaitForFailure = CreateEvent( NULL, FALSE, FALSE, NULL );
+
+ printf( "Created events\n" );
+
+ if( CreateThread( 0, 0, thread, 0, 0, &id ) == NULL ) {
+ printf( "Couldn't create one thread.\n" );
+ return 0;
+ }
+
+ printf( "Posting to non-existent queue\n" );
+
+ /* Check failure case */
+ assert( PostThreadMessage( id, WM_USER + 0, 1, 2 ) == FALSE );
+
+ printf( "Signalling thread to advance.\n" );
+
+ SetEvent( hWaitForFailure );
+
+ printf( "Waiting for signal from thread.\n" );
+ WaitForSingleObject( hOkToPostThreadMessage, INFINITE );
+
+ printf( "Sending three messages, then quit.\n" );
+ assert( PostThreadMessage( id, WM_USER + 0, 1, 2 ) );
+ assert( PostThreadMessage( id, WM_USER + 1, 3, 4 ) );
+ Sleep( 500 ); /* Sleep a bit, so that the queue is empty for a bit. */
+ assert( PostThreadMessage( id, WM_USER + 2, 5, 6 ) );
+ assert( PostThreadMessage( id, WM_QUIT, 0,0 ) );
+
+ WaitForSingleObject( hOkToTerminate, INFINITE );
+ printf( "Test complete.\n" );
+
+ return 0;
+}