xref: /xsrc/external/mit/libXt/dist/test/Event.c

/*
 * Copyright (c) 2011, 2022, Oracle and/or its affiliates.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#include <X11/Intrinsic.h>
#include <glib.h>
#include <unistd.h>
#include <signal.h>
#include <setjmp.h>

/* Test XtAppMainLoop without a display doesn't wait for an XEvent.
   Based on https://bugs.freedesktop.org/show_bug.cgi?id=34715 */
static void _Tick(XtPointer baton, XtIntervalId* id)
{
    static int count = 0;
    XtAppContext app = (XtAppContext)baton;

    count ++;
#ifdef DEBUG
    printf("%d beep!\n", count);
#endif

    if (3 == count)
        XtAppSetExitFlag(app);
    else
        XtAppAddTimeOut(app, 1000, _Tick, app);
}

static sigjmp_buf jump_env;

static void sigalrm (int sig)
{
    siglongjmp(jump_env, 1);
}

static void test_XtAppMainLoop_34715(void)
{
    XtAppContext app;
    struct sigaction sa;

    g_test_bug_base("https://bugzilla.freedesktop.org/show_bug.cgi?id=");
    g_test_bug("34715");

    XtToolkitInitialize();
    app = XtCreateApplicationContext();
    XtAppAddTimeOut(app, 1000, _Tick, app);

    /* AppTimeouts should finish and exit in 3 seconds.
       Give them 10 seconds just in case system is busy, then fail. */
    sa.sa_handler = sigalrm;
    sa.sa_flags = SA_RESTART;
    sigemptyset (&sa.sa_mask);

    if (sigsetjmp(jump_env, 1) == 0) {
	sigaction(SIGALRM, &sa, NULL);
	alarm(10);

	XtAppMainLoop(app);
	alarm(0); /* cancel alarm */
    } else {
	g_assertion_message(G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC,
			    "test timed out");
    }
    g_assert_cmpint(XtAppGetExitFlag(app), ==, TRUE);
    XtDestroyApplicationContext(app);
}

int main(int argc, char** argv)
{
    g_test_init(&argc, &argv, NULL);
    g_test_bug_base("https://gitlab.freedesktop.org/xorg/lib/libxt/-/issues/");

    g_test_add_func("/Event/XtAppMainLoop/34715", test_XtAppMainLoop_34715);

    return g_test_run();
}