tests: add drm-backend smoke test

This adds the first DRM-backend test. It is very simple
and was made in order to make easier to add more complex
DRM-backend tests in the future.

Signed-off-by: Leandro Ribeiro <leandro.ribeiro@collabora.com>

tests/drm-smoke-test.c

@@ -0,0 +1,72 @@
+/*
+ * Copyright © 2020 Collabora, Ltd.
+ *
+ * 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 LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "config.h"
+
+#include "weston-test-client-helper.h"
+#include "weston-test-fixture-compositor.h"
+
+static enum test_result_code
+fixture_setup(struct weston_test_harness *harness)
+{
+	struct compositor_setup setup;
+
+	compositor_setup_defaults(&setup);
+	setup.shell = SHELL_TEST_DESKTOP;
+	setup.backend = WESTON_BACKEND_DRM;
+	setup.renderer = RENDERER_PIXMAN;
+
+	return weston_test_harness_execute_as_client(harness, &setup);
+}
+DECLARE_FIXTURE_SETUP(fixture_setup);
+
+TEST(drm_smoke) {
+
+	struct client *client;
+	struct buffer *buffer;
+	struct wl_surface *surface;
+	pixman_color_t red;
+	int i, frame;
+
+	color_rgb888(&red, 255, 0, 0);
+
+	client = create_client_and_test_surface(0, 0, 200, 200);
+	assert(client);
+
+	surface = client->surface->wl_surface;
+	buffer = create_shm_buffer_a8r8g8b8(client, 200, 200);
+
+	fill_image_with_color(buffer->image, &red);
+
+	for (i = 0; i < 5; i++) {
+		wl_surface_attach(surface, buffer->proxy, 0, 0);
+		wl_surface_damage(surface, 0, 0, 200, 200);
+		frame_callback_set(surface, &frame);
+		wl_surface_commit(surface);
+		frame_callback_wait(client, &frame);
+	}
+
+	client_destroy(client);
+}

tests/meson.build

@@ -118,6 +118,7 @@ dep_zucmain = declare_dependency(
 
 tests = [
 	{	'name': 'bad-buffer', },
+	{	'name': 'drm-smoke', },
 	{	'name': 'buffer-transforms', },
 	{	'name': 'devices', },
 	{	'name': 'event', },