From 5e9bedb8c4327a2b304837cbc5433256b3207175 Mon Sep 17 00:00:00 2001 From: Pekka Paalanen Date: Fri, 17 May 2013 16:46:06 +0300 Subject: [PATCH] tests: add a sub-surface nesting loop test It should not be possible to create a loop by nesting sub-surfaces. Currently Weston fails this test. Signed-off-by: Pekka Paalanen --- tests/subsurface-test.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/tests/subsurface-test.c b/tests/subsurface-test.c index 0a210fb..98e00fe 100644 --- a/tests/subsurface-test.c +++ b/tests/subsurface-test.c @@ -220,6 +220,28 @@ TEST(test_subsurface_nesting_parent) client_roundtrip(client); } +FAIL_TEST(test_subsurface_loop_paradox) +{ + struct client *client; + struct wl_surface *surface[3]; + struct wl_subcompositor *subco; + + client = client_create(100, 50, 123, 77); + assert(client); + + subco = get_subcompositor(client); + surface[0] = wl_compositor_create_surface(client->wl_compositor); + surface[1] = wl_compositor_create_surface(client->wl_compositor); + surface[2] = wl_compositor_create_surface(client->wl_compositor); + + /* create a nesting loop */ + wl_subcompositor_get_subsurface(subco, surface[1], surface[0]); + wl_subcompositor_get_subsurface(subco, surface[2], surface[1]); + wl_subcompositor_get_subsurface(subco, surface[0], surface[2]); + + client_roundtrip(client); +} + FAIL_TEST(test_subsurface_place_above_stranger) { struct client *client; -- 2.7.4