[PATCH wayland 5/5] tests: test whether the destroyed object is set to NULL on client destruction

[Marek Chalupa]

when the client is being destroyed, we can use wl_client_get_object()
to get an object. Test whether it returns NULL when the object
has been destroyed

Signed-off-by: Marek Chalupa <mchqwerty at gmail.com>
---
 tests/client-test.c | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/tests/client-test.c b/tests/client-test.c
index cb08e39..f171f19 100644
--- a/tests/client-test.c
+++ b/tests/client-test.c
@@ -126,3 +126,66 @@ TEST(client_post_nomem_on_destruction)
 	wl_display_destroy(display);
 }
 
+static void
+seat_destroy_get_object(struct wl_listener *l, void *data)
+{
+	struct wl_resource *resource = data;
+	struct wl_client *client = wl_resource_get_client(resource);
+	/* This seat was created last,
+	 * therefore the seat's id is the upper bound for all ids */
+	uint32_t max_id = wl_resource_get_id(resource);
+	uint32_t i;
+
+	for (i = WL_SERVER_ID_START; i < max_id; ++i) {
+		/* all these objects are destroyed now, since
+		 * we destroy the objects in id order */
+		assert(wl_client_get_object(client, i) == NULL);
+	}
+
+	/* only our object is not still destroyed */
+	assert(wl_client_get_object(client, max_id) != NULL);
+	assert(wl_client_get_object(client, max_id + 1) == NULL);
+}
+
+TEST(client_get_object_on_destruction)
+{
+	struct wl_display *display;
+	struct wl_client *client;
+	struct wl_resource *resource;
+	int s[2];
+
+	assert(socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, s) == 0);
+	display = wl_display_create();
+	assert(display);
+	client = wl_client_create(display, s[0]);
+	assert(client);
+
+	/* create few other objects
+	 * -- it doesn't matter what is the interface */
+	resource = wl_resource_create(client, &wl_seat_interface,
+				      wl_seat_interface.version, 0);
+	assert(resource);
+	resource = wl_resource_create(client, &wl_seat_interface,
+				      wl_seat_interface.version, 0);
+	assert(resource);
+	resource = wl_resource_create(client, &wl_seat_interface,
+				      wl_seat_interface.version, 0);
+	assert(resource);
+
+
+	/* for the last one we set destroy listener */
+	resource = wl_resource_create(client, &wl_seat_interface,
+				      wl_seat_interface.version, 0);
+	assert(resource);
+
+	seat_destroy_listener.notify = seat_destroy_get_object;
+	wl_resource_add_destroy_listener(resource, &seat_destroy_listener);
+
+	wl_client_destroy(client);
+
+	close(s[0]);
+	close(s[1]);
+
+	wl_display_destroy(display);
+}
+
-- 
2.5.5