/* * Copyright © 2011 Uli Schlachter * * 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 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. * * Author: Uli Schlachter */ #include "cairo-test.h" #define WIDTH 3000 #define HEIGHT 3000 static cairo_test_status_t draw (cairo_t *cr, int width, int height) { cairo_surface_t *surface; cairo_surface_t *image; cairo_t *cr2; /* We use a similar surface to have way smaller ref images */ surface = cairo_surface_create_similar (cairo_get_target (cr), CAIRO_CONTENT_COLOR_ALPHA, WIDTH, HEIGHT); /* First we have to defeat xcb's deferred clear */ cr2 = cairo_create (surface); cairo_test_paint_checkered (cr2); cairo_destroy (cr2); /* Now we try to map this to an image. This will try to use shared memory * but fail the allocation, because of the huge surface. */ image = cairo_surface_map_to_image (surface, NULL); cairo_surface_unmap_image (surface, image); /* Finally we make sure that errors aren't lost. */ cairo_set_source_surface (cr, surface, 0, 0); cairo_paint (cr); cairo_surface_destroy (surface); return CAIRO_TEST_SUCCESS; } CAIRO_TEST (xcb_huge_image_shm, "Force a failed shm allocation when receiving an image", "xcb", /* keywords */ NULL, /* requirements */ 2, 2, NULL, draw)