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weston/tests/subsurface-test.c

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18 KiB

/*
* Copyright © 2012 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 <stdio.h>
#include <string.h>
#include "weston-test-client-helper.h"
#define NUM_SUBSURFACES 3
struct compound_surface {
struct wl_subcompositor *subco;
struct wl_surface *parent;
struct wl_surface *child[NUM_SUBSURFACES];
struct wl_subsurface *sub[NUM_SUBSURFACES];
};
static struct wl_subcompositor *
get_subcompositor(struct client *client)
{
struct global *g;
struct global *global_sub = NULL;
struct wl_subcompositor *sub;
wl_list_for_each(g, &client->global_list, link) {
if (strcmp(g->interface, "wl_subcompositor"))
continue;
if (global_sub)
assert(0 && "multiple wl_subcompositor objects");
global_sub = g;
}
assert(global_sub && "no wl_subcompositor found");
assert(global_sub->version == 1);
sub = wl_registry_bind(client->wl_registry, global_sub->name,
&wl_subcompositor_interface, 1);
assert(sub);
return sub;
}
static void
populate_compound_surface(struct compound_surface *com, struct client *client)
{
int i;
com->subco = get_subcompositor(client);
com->parent = wl_compositor_create_surface(client->wl_compositor);
for (i = 0; i < NUM_SUBSURFACES; i++) {
com->child[i] =
wl_compositor_create_surface(client->wl_compositor);
com->sub[i] =
wl_subcompositor_get_subsurface(com->subco,
com->child[i],
com->parent);
}
}
TEST(test_subsurface_basic_protocol)
{
struct client *client;
struct compound_surface com1;
struct compound_surface com2;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
populate_compound_surface(&com1, client);
populate_compound_surface(&com2, client);
client_roundtrip(client);
}
TEST(test_subsurface_position_protocol)
{
struct client *client;
struct compound_surface com;
int i;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
populate_compound_surface(&com, client);
for (i = 0; i < NUM_SUBSURFACES; i++)
wl_subsurface_set_position(com.sub[i],
(i + 2) * 20, (i + 2) * 10);
client_roundtrip(client);
}
TEST(test_subsurface_placement_protocol)
{
struct client *client;
struct compound_surface com;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
populate_compound_surface(&com, client);
wl_subsurface_place_above(com.sub[0], com.child[1]);
wl_subsurface_place_above(com.sub[1], com.parent);
wl_subsurface_place_below(com.sub[2], com.child[0]);
wl_subsurface_place_below(com.sub[1], com.parent);
client_roundtrip(client);
}
TEST(test_subsurface_paradox)
{
struct client *client;
struct wl_surface *parent;
struct wl_subcompositor *subco;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
subco = get_subcompositor(client);
parent = wl_compositor_create_surface(client->wl_compositor);
/* surface is its own parent */
wl_subcompositor_get_subsurface(subco, parent, parent);
expect_protocol_error(client, &wl_subcompositor_interface,
WL_SUBCOMPOSITOR_ERROR_BAD_SURFACE);
}
TEST(test_subsurface_identical_link)
{
struct client *client;
struct compound_surface com;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
populate_compound_surface(&com, client);
/* surface is already a subsurface */
wl_subcompositor_get_subsurface(com.subco, com.child[0], com.parent);
expect_protocol_error(client, &wl_subcompositor_interface,
WL_SUBCOMPOSITOR_ERROR_BAD_SURFACE);
}
TEST(test_subsurface_change_link)
{
struct client *client;
struct compound_surface com;
struct wl_surface *stranger;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
stranger = wl_compositor_create_surface(client->wl_compositor);
populate_compound_surface(&com, client);
/* surface is already a subsurface */
wl_subcompositor_get_subsurface(com.subco, com.child[0], stranger);
expect_protocol_error(client, &wl_subcompositor_interface,
WL_SUBCOMPOSITOR_ERROR_BAD_SURFACE);
}
TEST(test_subsurface_nesting)
{
struct client *client;
struct compound_surface com;
struct wl_surface *stranger;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
stranger = wl_compositor_create_surface(client->wl_compositor);
populate_compound_surface(&com, client);
/* parent is a sub-surface */
wl_subcompositor_get_subsurface(com.subco, stranger, com.child[0]);
client_roundtrip(client);
}
TEST(test_subsurface_nesting_parent)
{
struct client *client;
struct compound_surface com;
struct wl_surface *stranger;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
stranger = wl_compositor_create_surface(client->wl_compositor);
populate_compound_surface(&com, client);
/* surface is already a parent */
wl_subcompositor_get_subsurface(com.subco, com.parent, stranger);
client_roundtrip(client);
}
TEST(test_subsurface_loop_paradox)
{
struct client *client;
struct wl_surface *surface[3];
struct wl_subcompositor *subco;
client = create_client_and_test_surface(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]);
expect_protocol_error(client, &wl_subcompositor_interface,
WL_SUBCOMPOSITOR_ERROR_BAD_SURFACE);
}
TEST(test_subsurface_place_above_nested_parent)
{
struct client *client;
struct compound_surface com;
struct wl_surface *grandchild;
struct wl_subcompositor *subco;
struct wl_subsurface *sub;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
populate_compound_surface(&com, client);
subco = get_subcompositor(client);
grandchild = wl_compositor_create_surface(client->wl_compositor);
sub = wl_subcompositor_get_subsurface(subco, grandchild, com.child[0]);
wl_subsurface_place_above(sub, com.child[0]);
client_roundtrip(client);
}
TEST(test_subsurface_place_above_grandparent)
{
struct client *client;
struct compound_surface com;
struct wl_surface *grandchild;
struct wl_subsurface *sub;
struct wl_subcompositor *subco;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
populate_compound_surface(&com, client);
subco = get_subcompositor(client);
grandchild = wl_compositor_create_surface(client->wl_compositor);
sub = wl_subcompositor_get_subsurface(subco, grandchild, com.child[0]);
/* can't place a subsurface above its grandparent */
wl_subsurface_place_above(sub, com.parent);
expect_protocol_error(client, &wl_subsurface_interface,
WL_SUBSURFACE_ERROR_BAD_SURFACE);
}
TEST(test_subsurface_place_above_great_aunt)
{
struct client *client;
struct compound_surface com;
struct wl_surface *grandchild;
struct wl_subsurface *sub;
struct wl_subcompositor *subco;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
populate_compound_surface(&com, client);
subco = get_subcompositor(client);
grandchild = wl_compositor_create_surface(client->wl_compositor);
sub = wl_subcompositor_get_subsurface(subco, grandchild, com.child[0]);
/* can't place a subsurface above its parents' siblings */
wl_subsurface_place_above(sub, com.child[1]);
expect_protocol_error(client, &wl_subsurface_interface,
WL_SUBSURFACE_ERROR_BAD_SURFACE);
}
TEST(test_subsurface_place_above_child)
{
struct client *client;
struct compound_surface com;
struct wl_surface *grandchild;
struct wl_subcompositor *subco;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
populate_compound_surface(&com, client);
subco = get_subcompositor(client);
grandchild = wl_compositor_create_surface(client->wl_compositor);
wl_subcompositor_get_subsurface(subco, grandchild, com.child[0]);
/* can't place a subsurface above its own child subsurface */
wl_subsurface_place_above(com.sub[0], grandchild);
expect_protocol_error(client, &wl_subsurface_interface,
WL_SUBSURFACE_ERROR_BAD_SURFACE);
}
TEST(test_subsurface_place_below_nested_parent)
{
struct client *client;
struct compound_surface com;
struct wl_subcompositor *subco;
struct wl_surface *grandchild;
struct wl_subsurface *sub;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
populate_compound_surface(&com, client);
subco = get_subcompositor(client);
grandchild = wl_compositor_create_surface(client->wl_compositor);
sub = wl_subcompositor_get_subsurface(subco, grandchild, com.child[0]);
wl_subsurface_place_below(sub, com.child[0]);
client_roundtrip(client);
}
TEST(test_subsurface_place_below_grandparent)
{
struct client *client;
struct compound_surface com;
struct wl_surface *grandchild;
struct wl_subsurface *sub;
struct wl_subcompositor *subco;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
populate_compound_surface(&com, client);
subco = get_subcompositor(client);
grandchild = wl_compositor_create_surface(client->wl_compositor);
sub = wl_subcompositor_get_subsurface(subco, grandchild, com.child[0]);
/* can't place a subsurface below its grandparent */
wl_subsurface_place_below(sub, com.parent);
expect_protocol_error(client, &wl_subsurface_interface,
WL_SUBSURFACE_ERROR_BAD_SURFACE);
}
TEST(test_subsurface_place_below_great_aunt)
{
struct client *client;
struct compound_surface com;
struct wl_surface *grandchild;
struct wl_subsurface *sub;
struct wl_subcompositor *subco;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
populate_compound_surface(&com, client);
subco = get_subcompositor(client);
grandchild = wl_compositor_create_surface(client->wl_compositor);
sub = wl_subcompositor_get_subsurface(subco, grandchild, com.child[0]);
/* can't place a subsurface below its parents' siblings */
wl_subsurface_place_below(sub, com.child[1]);
expect_protocol_error(client, &wl_subsurface_interface,
WL_SUBSURFACE_ERROR_BAD_SURFACE);
}
TEST(test_subsurface_place_below_child)
{
struct client *client;
struct compound_surface com;
struct wl_surface *grandchild;
struct wl_subcompositor *subco;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
populate_compound_surface(&com, client);
subco = get_subcompositor(client);
grandchild = wl_compositor_create_surface(client->wl_compositor);
wl_subcompositor_get_subsurface(subco, grandchild, com.child[0]);
/* can't place a subsurface below its own child subsurface */
wl_subsurface_place_below(com.sub[0], grandchild);
expect_protocol_error(client, &wl_subsurface_interface,
WL_SUBSURFACE_ERROR_BAD_SURFACE);
}
TEST(test_subsurface_place_above_stranger)
{
struct client *client;
struct compound_surface com;
struct wl_surface *stranger;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
stranger = wl_compositor_create_surface(client->wl_compositor);
populate_compound_surface(&com, client);
/* bad sibling */
wl_subsurface_place_above(com.sub[0], stranger);
expect_protocol_error(client, &wl_subsurface_interface,
WL_SUBSURFACE_ERROR_BAD_SURFACE);
}
TEST(test_subsurface_place_below_stranger)
{
struct client *client;
struct compound_surface com;
struct wl_surface *stranger;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
stranger = wl_compositor_create_surface(client->wl_compositor);
populate_compound_surface(&com, client);
/* bad sibling */
wl_subsurface_place_below(com.sub[0], stranger);
expect_protocol_error(client, &wl_subsurface_interface,
WL_SUBSURFACE_ERROR_BAD_SURFACE);
}
TEST(test_subsurface_place_above_foreign)
{
struct client *client;
struct compound_surface com1;
struct compound_surface com2;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
populate_compound_surface(&com1, client);
populate_compound_surface(&com2, client);
/* bad sibling */
wl_subsurface_place_above(com1.sub[0], com2.child[0]);
expect_protocol_error(client, &wl_subsurface_interface,
WL_SUBSURFACE_ERROR_BAD_SURFACE);
}
TEST(test_subsurface_place_below_foreign)
{
struct client *client;
struct compound_surface com1;
struct compound_surface com2;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
populate_compound_surface(&com1, client);
populate_compound_surface(&com2, client);
/* bad sibling */
wl_subsurface_place_below(com1.sub[0], com2.child[0]);
expect_protocol_error(client, &wl_subsurface_interface,
WL_SUBSURFACE_ERROR_BAD_SURFACE);
}
TEST(test_subsurface_destroy_protocol)
{
struct client *client;
struct compound_surface com;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
populate_compound_surface(&com, client);
/* not needed anymore */
wl_subcompositor_destroy(com.subco);
/* detach child from parent */
wl_subsurface_destroy(com.sub[0]);
/* destroy: child, parent */
wl_surface_destroy(com.child[1]);
wl_surface_destroy(com.parent);
/* destroy: parent, child */
wl_surface_destroy(com.child[2]);
/* destroy: sub, child */
wl_surface_destroy(com.child[0]);
/* 2x destroy: child, sub */
wl_subsurface_destroy(com.sub[2]);
wl_subsurface_destroy(com.sub[1]);
client_roundtrip(client);
}
static void
create_subsurface_tree(struct client *client, struct wl_surface **surfs,
struct wl_subsurface **subs, int n)
{
struct wl_subcompositor *subco;
int i;
subco = get_subcompositor(client);
for (i = 0; i < n; i++)
surfs[i] = wl_compositor_create_surface(client->wl_compositor);
/*
* The tree of sub-surfaces:
* 0
* / \
* 1 2 - 10
* / \ |\
* 3 5 9 6
* / / \
* 4 7 8
* Surface 0 has no wl_subsurface, others do.
*/
switch (n) {
default:
assert(0);
break;
#define SUB_LINK(s,p) \
subs[s] = wl_subcompositor_get_subsurface(subco, surfs[s], surfs[p])
case 11:
SUB_LINK(10, 2);
/* fallthrough */
case 10:
SUB_LINK(9, 2);
/* fallthrough */
case 9:
SUB_LINK(8, 6);
/* fallthrough */
case 8:
SUB_LINK(7, 6);
/* fallthrough */
case 7:
SUB_LINK(6, 2);
/* fallthrough */
case 6:
SUB_LINK(5, 1);
/* fallthrough */
case 5:
SUB_LINK(4, 3);
/* fallthrough */
case 4:
SUB_LINK(3, 1);
/* fallthrough */
case 3:
SUB_LINK(2, 0);
/* fallthrough */
case 2:
SUB_LINK(1, 0);
#undef SUB_LINK
};
}
static void
destroy_subsurface_tree(struct wl_surface **surfs,
struct wl_subsurface **subs, int n)
{
int i;
for (i = n; i-- > 0; ) {
if (surfs[i])
wl_surface_destroy(surfs[i]);
if (subs[i])
wl_subsurface_destroy(subs[i]);
}
}
static int
has_dupe(int *cnt, int n)
{
int i;
for (i = 0; i < n; i++)
if (cnt[i] == cnt[n])
return 1;
return 0;
}
/* Note: number of permutations to test is: set_size! / (set_size - NSTEPS)!
*/
#define NSTEPS 3
struct permu_state {
int set_size;
int cnt[NSTEPS];
};
static void
permu_init(struct permu_state *s, int set_size)
{
int i;
s->set_size = set_size;
for (i = 0; i < NSTEPS; i++)
s->cnt[i] = 0;
}
static int
permu_next(struct permu_state *s)
{
int k;
s->cnt[NSTEPS - 1]++;
while (1) {
if (s->cnt[0] >= s->set_size) {
return -1;
}
for (k = 1; k < NSTEPS; k++) {
if (s->cnt[k] >= s->set_size) {
s->cnt[k - 1]++;
s->cnt[k] = 0;
break;
}
if (has_dupe(s->cnt, k)) {
s->cnt[k]++;
break;
}
}
if (k == NSTEPS)
return 0;
}
}
static void
destroy_permu_object(struct wl_surface **surfs,
struct wl_subsurface **subs, int i)
{
int h = (i + 1) / 2;
if (i & 1) {
testlog(" [sub %2d]", h);
wl_subsurface_destroy(subs[h]);
subs[h] = NULL;
} else {
testlog(" [surf %2d]", h);
wl_surface_destroy(surfs[h]);
surfs[h] = NULL;
}
}
TEST(test_subsurface_destroy_permutations)
{
/*
* Test wl_surface and wl_subsurface destruction orders in a
* complex tree of sub-surfaces.
*
* In the tree of sub-surfaces, go through every possible
* permutation of destroying all wl_surface and wl_subsurface
* objects. Execpt, to limit running time to a reasonable level,
* execute only the first NSTEPS destructions from each
* permutation, and ignore identical cases.
*/
const int test_size = 11;
struct client *client;
struct wl_surface *surfs[test_size];
struct wl_subsurface *subs[test_size];
struct permu_state per;
int counter = 0;
int i;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
permu_init(&per, test_size * 2 - 1);
while (permu_next(&per) != -1) {
/* for each permutation of NSTEPS out of test_size */
memset(surfs, 0, sizeof surfs);
memset(subs, 0, sizeof subs);
create_subsurface_tree(client, surfs, subs, test_size);
testlog("permu");
for (i = 0; i < NSTEPS; i++)
testlog(" %2d", per.cnt[i]);
for (i = 0; i < NSTEPS; i++)
destroy_permu_object(surfs, subs, per.cnt[i]);
testlog("\n");
client_roundtrip(client);
destroy_subsurface_tree(surfs, subs, test_size);
counter++;
}
client_roundtrip(client);
testlog("tried %d destroy permutations\n", counter);
}