/* * Copyright © 2006 Red Hat, Inc. * * Permission to use, copy, modify, distribute, and sell this software * and its documentation for any purpose is hereby granted without * fee, provided that the above copyright notice appear in all copies * and that both that copyright notice and this permission notice * appear in supporting documentation, and that the name of * Red Hat, Inc. not be used in advertising or publicity pertaining to * distribution of the software without specific, written prior * permission. Red Hat, Inc. makes no representations about the * suitability of this software for any purpose. It is provided "as * is" without express or implied warranty. * * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * * Author: Carl D. Worth <cworth@cworth.org> */ /* A test for the crash described here: * * http://lists.freedesktop.org/archives/cairo/2006-August/007698.html * * The triggering condition for this bug should be setting a * surface-based clip and then calling cairo_push_group. */ #include "cairo-test.h" #define SIZE 10 #define PAD 2 static cairo_test_status_t draw (cairo_t *cr, int width, int height) { /* An overly complex way of drawing a blue circle onto a red * background, to trigger the bug. */ cairo_set_source_rgb (cr, 1, 0, 0); /* red */ cairo_paint (cr); cairo_arc (cr, SIZE / 2, SIZE / 2, SIZE / 2 - PAD, 0, 2 * M_PI); cairo_clip (cr); cairo_push_group (cr); cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ cairo_paint (cr); cairo_pop_group_to_source (cr); cairo_paint (cr); return CAIRO_TEST_SUCCESS; } CAIRO_TEST (clip_push_group, "Test that push_group doesn't crash after setting a surface-based clip", "clip", /* keywords */ NULL, /* requirements */ SIZE, SIZE, NULL, draw)