/* * 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.h" #include "cairo-test.h" static cairo_surface_t * create_image (int width, int height) { cairo_surface_t *surface; cairo_t *cr; surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height); /* Paint something random to the image */ cr = cairo_create (surface); cairo_set_source_rgb (cr, 0, 1, 1); cairo_paint (cr); cairo_destroy (cr); return surface; } static cairo_test_status_t draw (cairo_t *cr, int width, int height) { /* Image has to have same geometry as xcb surface to be added as a snapshot */ cairo_set_source_surface (cr, create_image (width, height), 0, 0); /* This attaches the tested xcb surface as a snapshot */ cairo_paint (cr); /* Now cairo is modifying a snapshot which fails an * assert in _cairo_surface_begin_modification */ cairo_paint (cr); return CAIRO_TEST_SUCCESS; } CAIRO_TEST (xcb_snapshot_assert, "Test a wrong _cairo_surface_attach_snapshot call", "xcb", /* keywords */ NULL, /* requirements */ 2, 2, NULL, draw)