2 * Copyright © 2011 Uli Schlachter
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * Author: Uli Schlachter <psychon@znc.in>
27 #include "cairo-test.h"
32 static cairo_test_status_t
33 draw (cairo_t *cr, int width, int height)
35 cairo_surface_t *surface;
36 cairo_surface_t *image;
39 /* We use a similar surface to have way smaller ref images */
40 surface = cairo_surface_create_similar (cairo_get_target (cr),
41 CAIRO_CONTENT_COLOR_ALPHA,
44 /* First we have to defeat xcb's deferred clear */
45 cr2 = cairo_create (surface);
46 cairo_test_paint_checkered (cr2);
49 /* Now we try to map this to an image. This will try to use shared memory
50 * but fail the allocation, because of the huge surface. */
51 image = cairo_surface_map_to_image (surface, NULL);
52 cairo_surface_unmap_image (surface, image);
54 /* Finally we make sure that errors aren't lost. */
55 cairo_set_source_surface (cr, surface, 0, 0);
57 cairo_surface_destroy (surface);
59 return CAIRO_TEST_SUCCESS;
62 CAIRO_TEST (xcb_huge_image_shm,
63 "Force a failed shm allocation when receiving an image",
65 NULL, /* requirements */