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