mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
synced 2025-12-20 14:00:10 +01:00
0ce4face45
Some tests hand-code ARRAY_LENGTH(). It is now provided by cairo-test.h, so it can be reused.
111 lines
3.4 KiB
C
111 lines
3.4 KiB
C
/*
|
|
* Copyright © 2008 Chris Wilson
|
|
*
|
|
* 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
|
|
* Chris Wilson not be used in advertising or publicity pertaining to
|
|
* distribution of the software without specific, written prior
|
|
* permission. Chris Wilson makes no representations about the
|
|
* suitability of this software for any purpose. It is provided "as
|
|
* is" without express or implied warranty.
|
|
*
|
|
* CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
|
|
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
* FITNESS, IN NO EVENT SHALL CHRIS WILSON 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: Chris Wilson <chris@chris-wilson.co.uk>
|
|
*
|
|
* Based on an example by Dirk "krit" Schulze found during WebKit integration.
|
|
*/
|
|
|
|
#include "cairo-test.h"
|
|
|
|
/* we know that this is an inherent limitation in cairo */
|
|
#define FAIL CAIRO_TEST_XFAILURE
|
|
|
|
/* Test the idempotency of path construction and copying */
|
|
|
|
static cairo_test_status_t
|
|
draw (cairo_t *cr, int width, int height)
|
|
{
|
|
cairo_path_data_t path_data[] = {
|
|
{ { CAIRO_PATH_MOVE_TO, 2 }, },
|
|
{ { 95.000000, 40.000000 }, },
|
|
|
|
{ { CAIRO_PATH_LINE_TO, 2 }, },
|
|
{ { 94.960533, 41.255810 }, },
|
|
|
|
{ { CAIRO_PATH_LINE_TO, 2 }, },
|
|
{ { 94.842293, 42.50666 }, },
|
|
|
|
{ { CAIRO_PATH_LINE_TO, 2 }, },
|
|
{ { 94.645744, 43.747627 }, },
|
|
|
|
{ { CAIRO_PATH_LINE_TO, 2 }, },
|
|
{ { 94.371666, 44.973797 }, },
|
|
};
|
|
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
|
|
cairo_path_t path, *path_copy;
|
|
int i, j, n;
|
|
cairo_test_status_t result = CAIRO_TEST_SUCCESS;
|
|
|
|
path.status = CAIRO_STATUS_SUCCESS;
|
|
path.num_data = ARRAY_LENGTH (path_data);
|
|
path.data = path_data;
|
|
|
|
cairo_new_path (cr);
|
|
cairo_append_path (cr, &path);
|
|
path_copy = cairo_copy_path (cr);
|
|
|
|
if (path_copy->status)
|
|
return cairo_test_status_from_status (ctx, path_copy->status);
|
|
|
|
for (i = j = n = 0;
|
|
i < path.num_data && j < path_copy->num_data;
|
|
i += path.data[i].header.length,
|
|
j += path_copy->data[j].header.length,
|
|
n++)
|
|
{
|
|
const cairo_path_data_t *src, *dst;
|
|
|
|
src = &path.data[i];
|
|
dst = &path_copy->data[j];
|
|
|
|
if (src->header.type != dst->header.type) {
|
|
cairo_test_log (ctx,
|
|
"Paths differ in header type after %d operations.\n"
|
|
"Expected path operation %d, found %d.\n",
|
|
n, src->header.type, dst->header.type);
|
|
result = FAIL;
|
|
break;
|
|
}
|
|
|
|
if (memcmp (&src[1].point, &dst[1].point, sizeof (src->point))) {
|
|
cairo_test_log (ctx,
|
|
"Paths differ in coordinates after %d operations.\n"
|
|
"Expected point (%f, %f), found (%f, %f).\n",
|
|
n,
|
|
src[1].point.x, src[1].point.y,
|
|
dst[1].point.x, dst[1].point.y);
|
|
result = FAIL;
|
|
break;
|
|
}
|
|
}
|
|
|
|
cairo_path_destroy (path_copy);
|
|
return result;
|
|
}
|
|
|
|
CAIRO_TEST (path_precision,
|
|
"Check that the path append/copy is idempotent.",
|
|
"api", /* keywords */
|
|
NULL, /* requirements */
|
|
0, 0,
|
|
NULL, draw)
|