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surface: Add test for recursive subsurface unmapping 

Make sure that in a 1 -> 2 -> 3 -> 4 parent->child subsurface nesting,
destroying surface 2 also immediately unmaps 3 and 4.

Signed-off-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Daniel Stone 2023-06-22 16:50:13 +01:00
parent da8c8f96d2
commit 0189bfac9f
1 changed files with 90 additions and 0 deletions
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90
tests/subsurface-shot-test.c
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@ -123,6 +123,96 @@ surface_commit_color(struct client *client, struct wl_surface *surface,
return buf;
}
TEST(subsurface_recursive_unmap)
{
struct client *client;
struct wl_subcompositor *subco;
struct buffer *bufs[5] = { 0 };
struct wl_surface *surf[5] = { 0 };
struct wl_subsurface *sub[5] = { 0 };
struct rectangle clip = { 40, 40, 280, 200 };
int fail = 0;
unsigned i;
pixman_color_t red;
pixman_color_t blue;
pixman_color_t cyan;
pixman_color_t green;
color_rgb888(&red, 255, 0, 0);
color_rgb888(&blue, 0, 0, 255);
color_rgb888(&cyan, 0, 255, 255);
color_rgb888(&green, 0, 255, 0);
client = create_client_and_test_surface(100, 50, 100, 100);
assert(client);
subco = get_subcompositor(client);
/* move the pointer clearly away from our screenshooting area */
weston_test_move_pointer(client->test->weston_test, 0, 1, 0, 2, 30);
/* make the parent surface red */
surf[0] = client->surface->wl_surface;
client->surface->wl_surface = NULL; /* we stole it and destroy it */
bufs[0] = surface_commit_color(client, surf[0], &red, 100, 100);
/* sub[0] is not used */
fail += check_screen(client, "subsurface_z_order", 0, &clip, 0);
/* create a blue sub-surface above red */
surf[1] = wl_compositor_create_surface(client->wl_compositor);
sub[1] = wl_subcompositor_get_subsurface(subco, surf[1], surf[0]);
bufs[1] = surface_commit_color(client, surf[1], &blue, 100, 100);
wl_subsurface_set_position(sub[1], 20, 20);
wl_surface_commit(surf[0]);
fail += check_screen(client, "subsurface_z_order", 1, &clip, 1);
/* create a cyan sub-surface above blue */
surf[2] = wl_compositor_create_surface(client->wl_compositor);
sub[2] = wl_subcompositor_get_subsurface(subco, surf[2], surf[1]);
bufs[2] = surface_commit_color(client, surf[2], &cyan, 100, 100);
wl_subsurface_set_position(sub[2], 20, 20);
wl_surface_commit(surf[1]);
wl_surface_commit(surf[0]);
fail += check_screen(client, "subsurface_z_order", 2, &clip, 2);
/* create a green sub-surface above blue, sibling to cyan */
surf[3] = wl_compositor_create_surface(client->wl_compositor);
sub[3] = wl_subcompositor_get_subsurface(subco, surf[3], surf[1]);
bufs[3] = surface_commit_color(client, surf[3], &green, 100, 100);
wl_subsurface_set_position(sub[3], -40, 10);
wl_surface_commit(surf[1]);
wl_surface_commit(surf[0]);
fail += check_screen(client, "subsurface_z_order", 3, &clip, 3);
/* destroy blue, to immediately unmap blue + red + cyan */
wl_surface_destroy(surf[1]);
surf[1] = NULL;
fail += check_screen(client, "subsurface_z_order", 0, &clip, 0);
assert(fail == 0);
for (i = 0; i < ARRAY_LENGTH(sub); i++)
if (sub[i])
wl_subsurface_destroy(sub[i]);
for (i = 0; i < ARRAY_LENGTH(surf); i++)
if (surf[i])
wl_surface_destroy(surf[i]);
for (i = 0; i < ARRAY_LENGTH(bufs); i++)
if (bufs[i])
buffer_destroy(bufs[i]);
wl_subcompositor_destroy(subco);
client_destroy(client);
}
TEST(subsurface_z_order)
{
struct client *client;