diff --git a/tests/event-test.c b/tests/event-test.c index 254517dd..980dfaad 100644 --- a/tests/event-test.c +++ b/tests/event-test.c @@ -1,5 +1,6 @@ /* * Copyright © 2012 Intel Corporation + * Copyright © 2013 Collabora, Ltd. * * Permission to use, copy, modify, distribute, and sell this software and * its documentation for any purpose is hereby granted without fee, provided @@ -347,3 +348,71 @@ TEST(test_surface_output) check_client_move(client, x, --y); assert(output_contains_client(client)); } + +static void +buffer_release_handler(void *data, struct wl_buffer *buffer) +{ + int *released = data; + + *released = 1; +} + +static struct wl_buffer_listener buffer_listener = { + buffer_release_handler +}; + +TEST(buffer_release) +{ + struct client *client; + struct wl_surface *surface; + struct wl_buffer *buf1; + struct wl_buffer *buf2; + struct wl_buffer *buf3; + int buf1_released = 0; + int buf2_released = 0; + int buf3_released = 0; + int frame; + + client = client_create(100, 100, 100, 100); + assert(client); + surface = client->surface->wl_surface; + + buf1 = create_shm_buffer(client, 100, 100, NULL); + wl_buffer_add_listener(buf1, &buffer_listener, &buf1_released); + + buf2 = create_shm_buffer(client, 100, 100, NULL); + wl_buffer_add_listener(buf2, &buffer_listener, &buf2_released); + + buf3 = create_shm_buffer(client, 100, 100, NULL); + wl_buffer_add_listener(buf3, &buffer_listener, &buf3_released); + + /* + * buf1 must never be released, since it is replaced before + * it is committed, therefore it never becomes busy. + */ + + wl_surface_attach(surface, buf1, 0, 0); + wl_surface_attach(surface, buf2, 0, 0); + frame_callback_set(surface, &frame); + wl_surface_commit(surface); + frame_callback_wait(client, &frame); + assert(buf1_released == 0); + /* buf2 may or may not be released */ + assert(buf3_released == 0); + + wl_surface_attach(surface, buf3, 0, 0); + frame_callback_set(surface, &frame); + wl_surface_commit(surface); + frame_callback_wait(client, &frame); + assert(buf1_released == 0); + assert(buf2_released == 1); + /* buf3 may or may not be released */ + + wl_surface_attach(surface, client->surface->wl_buffer, 0, 0); + frame_callback_set(surface, &frame); + wl_surface_commit(surface); + frame_callback_wait(client, &frame); + assert(buf1_released == 0); + assert(buf2_released == 1); + assert(buf3_released == 1); +}