tests: test set for ivi-layer normal use case with helper client

These test are implemented on test suite framework, which provides
helper client.
Following features are tested,
- render order of ivi-surfaces on ivi-layer

Signed-off-by: Nobuhiko Tanibata <nobuhiko_tanibata@xddp.denso.co.jp>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Jon A. Cruz <jonc@osg.samsung.com>
diff --git a/tests/ivi_layout-test-plugin.c b/tests/ivi_layout-test-plugin.c
index fd57d06..afd108b 100644
--- a/tests/ivi_layout-test-plugin.c
+++ b/tests/ivi_layout-test-plugin.c
@@ -697,3 +697,45 @@
 	runner_assert(ivisurf == NULL);
 }
 
+RUNNER_TEST(layer_render_order)
+{
+	const struct ivi_controller_interface *ctl = ctx->controller_interface;
+	struct ivi_layout_layer *ivilayer;
+	struct ivi_layout_surface *ivisurfs[IVI_TEST_SURFACE_COUNT] = {};
+	struct ivi_layout_surface **array;
+	int32_t length = 0;
+	uint32_t i;
+
+	ivilayer = ctl->layer_create_with_dimension(IVI_TEST_LAYER_ID(0), 200, 300);
+
+	for (i = 0; i < IVI_TEST_SURFACE_COUNT; i++)
+		ivisurfs[i] = ctl->get_surface_from_id(IVI_TEST_SURFACE_ID(i));
+
+	runner_assert(ctl->layer_set_render_order(
+		      ivilayer, ivisurfs, IVI_TEST_SURFACE_COUNT) == IVI_SUCCEEDED);
+
+	ctl->commit_changes();
+
+	runner_assert(ctl->get_surfaces_on_layer(
+		      ivilayer, &length, &array) == IVI_SUCCEEDED);
+	runner_assert(IVI_TEST_SURFACE_COUNT == length);
+	for (i = 0; i < IVI_TEST_SURFACE_COUNT; i++)
+		runner_assert(array[i] == ivisurfs[i]);
+
+	if (length > 0)
+		free(array);
+
+	runner_assert(ctl->layer_set_render_order(
+		      ivilayer, NULL, 0) == IVI_SUCCEEDED);
+
+	array = NULL;
+
+	ctl->commit_changes();
+
+	runner_assert(ctl->get_surfaces_on_layer(
+		      ivilayer, &length, &array) == IVI_SUCCEEDED);
+	runner_assert(length == 0 && array == NULL);
+
+	ctl->layer_destroy(ivilayer);
+}
+