test: add a unit test for the event loop post dispatch check

tests/Makefile.am

@@ -1,13 +1,16 @@
 TESTS = $(check_PROGRAMS)
 
 
-check_PROGRAMS = array-test map-test list-test connection-test
+check_PROGRAMS = array-test map-test list-test connection-test event-loop-test
 
 map_test_SOURCES = map-test.c test-runner.c test-runner.h
 array_test_SOURCES = array-test.c test-runner.c
 list_test_SOURCES = list-test.c test-runner.c
 connection_test_SOURCES = connection-test.c test-runner.c
+event_loop_test_SOURCES = event-loop-test.c test-runner.c
 
 AM_CFLAGS = $(GCC_CFLAGS)
-LDADD = $(top_builddir)/src/libwayland-util.la -lrt $(FFI_LIBS)
+LDADD = $(top_builddir)/src/libwayland-util.la \
+	$(top_builddir)/src/libwayland-server.la \
+	-lrt $(FFI_LIBS)
 

tests/event-loop-test.c

@@ -0,0 +1,53 @@
+/*
+ * Copyright © 2012 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <assert.h>
+#include "../src/wayland-server.h"
+#include "test-runner.h"
+
+static int
+fd_dispatch(int fd, uint32_t mask, void *data)
+{
+	int *p = data;
+
+	*p = 1;
+
+	return 0;
+}
+
+TEST(post_dispatch_check)
+{
+	struct wl_event_loop *loop = wl_event_loop_create();
+	struct wl_event_source *source;
+	int dispatch_ran = 0;
+
+	source = wl_event_loop_add_fd(loop, 1, WL_EVENT_READABLE,
+				      fd_dispatch, &dispatch_ran);
+	wl_event_source_check(source);
+
+	wl_event_loop_dispatch(loop, 0);
+	assert(dispatch_ran);
+
+	wl_event_source_remove(source);
+	wl_event_loop_destroy(loop);
+}