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/*
* Copyright © 2005 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>
*/
#include "cairo-test.h"
#include <stddef.h>
/* Test to verify fixes for the following similar bugs:
*
* https://bugs.freedesktop.org/show_bug.cgi?id=4088
* https://bugs.freedesktop.org/show_bug.cgi?id=3915
* https://bugs.freedesktop.org/show_bug.cgi?id=9906
*/
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
cairo_surface_t *surface;
cairo_pattern_t *pattern;
cairo_t *cr2;
/*
* 1. Test file-not-found from surface->pattern->cairo_t
*/
/* Make a custom context to not interfere with the one passed in. */
cr2 = cairo_create (cairo_get_target (cr));
/* First, let's make a nil surface. */
surface = cairo_image_surface_create_from_png ("___THIS_FILE_DOES_NOT_EXIST___");
/* Let the error propagate into a nil pattern. */
pattern = cairo_pattern_create_for_surface (surface);
/* Then let it propagate into the cairo_t. */
cairo_set_source (cr2, pattern);
cairo_paint (cr2);
cairo_pattern_destroy (pattern);
cairo_surface_destroy (surface);
/* Check that the error made it all that way. */
if (cairo_status (cr2) != CAIRO_STATUS_FILE_NOT_FOUND) {
cairo_test_log (ctx, "Error: Received status of \"%s\" rather than expected \"%s\"\n",
cairo_status_to_string (cairo_status (cr2)),
cairo_status_to_string (CAIRO_STATUS_FILE_NOT_FOUND));
cairo_destroy (cr2);
return CAIRO_TEST_FAILURE;
}
cairo_destroy (cr2);
/*
* 2. Test NULL pointer pattern->cairo_t
*/
cr2 = cairo_create (cairo_get_target (cr));
/* First, trigger the NULL pointer status. */
pattern = cairo_pattern_create_for_surface (NULL);
/* Then let it propagate into the cairo_t. */
cairo_set_source (cr2, pattern);
cairo_paint (cr2);
cairo_pattern_destroy (pattern);
/* Check that the error made it all that way. */
if (cairo_status (cr2) != CAIRO_STATUS_NULL_POINTER) {
cairo_test_log (ctx, "Error: Received status of \"%s\" rather than expected \"%s\"\n",
cairo_status_to_string (cairo_status (cr2)),
cairo_status_to_string (CAIRO_STATUS_NULL_POINTER));
cairo_destroy (cr2);
return CAIRO_TEST_FAILURE;
}
cairo_destroy (cr2);
/*
* 3. Test that cairo_surface_finish can accept NULL or a nil
* surface without crashing.
*/
cairo_surface_finish (NULL);
surface = cairo_image_surface_create_from_png ("___THIS_FILE_DOES_NOT_EXIST___");
cairo_surface_finish (surface);
cairo_surface_destroy (surface);
/*
* 4. OK, we're straying from the original name, but it's still a
* similar kind of testing of error paths. Here we're making sure
* we can still call a cairo_get_* function after triggering an
* INVALID_RESTORE error.
*/
cr2 = cairo_create (cairo_get_target (cr));
/* Trigger invalid restore. */
cairo_restore (cr2);
if (cairo_status (cr2) != CAIRO_STATUS_INVALID_RESTORE) {
cairo_test_log (ctx, "Error: Received status of \"%s\" rather than expected \"%s\"\n",
cairo_status_to_string (cairo_status (cr2)),
cairo_status_to_string (CAIRO_STATUS_INVALID_RESTORE));
cairo_destroy (cr2);
return CAIRO_TEST_FAILURE;
}
/* Test that we can still call cairo_get_fill_rule without crashing. */
cairo_get_fill_rule (cr2);
cairo_destroy (cr2);
/*
* 5. Create a cairo_t for the NULL surface.
*/
cr2 = cairo_create (NULL);
if (cairo_status (cr2) != CAIRO_STATUS_NULL_POINTER) {
cairo_test_log (ctx, "Error: Received status of \"%s\" rather than expected \"%s\"\n",
cairo_status_to_string (cairo_status (cr2)),
cairo_status_to_string (CAIRO_STATUS_NULL_POINTER));
cairo_destroy (cr2);
return CAIRO_TEST_FAILURE;
}
/* Test that get_target returns something valid */
if (cairo_get_target (cr2) == NULL) {
cairo_test_log (ctx, "Error: cairo_get_target() returned NULL\n");
cairo_destroy (cr2);
return CAIRO_TEST_FAILURE;
}
/* Test that push_group doesn't crash */
cairo_push_group (cr2);
cairo_stroke (cr2);
pattern = cairo_pop_group (cr2);
cairo_pattern_destroy (pattern);
cairo_destroy (cr2);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (nil_surface,
"Test that nil surfaces do not make cairo crash.",
"api", /* keywords */
NULL, /* requirements */
1, 1,
NULL, draw)
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