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https://gitlab.freedesktop.org/cairo/cairo.git
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d6eca5a45f
Call error_notify callback if set. (cairo_create): Initialize error_notify callback to NULL. (cairo_set_error_notify): New function to allow the user to set an error notify callback. New cairo_set_error_notify prototye. New test for cairo_set_error_notify.
108 lines
3 KiB
C
108 lines
3 KiB
C
/*
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* Copyright © 2005 Red Hat, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* Red Hat, Inc. not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. Red Hat, Inc. makes no representations about the
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* suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
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* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Carl D. Worth <cworth@cworth.org>
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*/
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#include <stdlib.h>
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#include "cairo-test.h"
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cairo_test_t test = {
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"error-notify",
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"Tests calls to cairo_error_notify",
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0, 0
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};
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typedef struct test_result {
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cairo_test_status_t status;
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} test_result_t;
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static void
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toggle_status (void *closure, cairo_status_t status)
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{
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test_result_t *result = closure;
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if (result->status == CAIRO_TEST_SUCCESS)
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result->status = CAIRO_TEST_FAILURE;
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else
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result->status = CAIRO_TEST_SUCCESS;
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}
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static cairo_test_status_t
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do_test (cairo_t *cr, int width, int height)
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{
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cairo_t *cr2;
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test_result_t result;
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/* We do all our testing in an alternate cr so that we don't leave
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* an error in the original. */
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cr2 = cairo_create (cairo_get_target (cr));
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cairo_set_error_notify (cr2, toggle_status, &result);
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cairo_test_log (" Testing that error notify function is called:\t\t");
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{
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result.status = CAIRO_TEST_FAILURE;
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/* Trigger an error by trying to set a NULL source. */
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cairo_set_source (cr2, NULL);
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if (result.status != CAIRO_TEST_SUCCESS) {
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cairo_test_log ("FAIL\n");
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return CAIRO_TEST_FAILURE;
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} else {
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cairo_test_log ("PASS\n");
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}
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}
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cairo_test_log (" Testing that cr remains in an error state:\t\t");
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{
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result.status = CAIRO_TEST_FAILURE;
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cairo_move_to (cr2, 0.0, 0.0);
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if (result.status != CAIRO_TEST_SUCCESS) {
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cairo_test_log ("FAIL\n");
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return CAIRO_TEST_FAILURE;
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} else {
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cairo_test_log ("PASS\n");
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}
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}
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cairo_test_log (" Testing that error notify function can be cleared:\t");
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{
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cairo_set_error_notify (cr2, NULL, NULL);
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cairo_set_source (cr2, NULL);
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if (result.status != CAIRO_TEST_SUCCESS) {
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cairo_test_log ("FAIL\n");
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return CAIRO_TEST_FAILURE;
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} else {
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cairo_test_log ("PASS\n");
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}
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}
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return CAIRO_TEST_SUCCESS;
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}
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int
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main (void)
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{
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return cairo_test (&test, do_test);
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}
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