mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
synced 2025-12-20 19:50:10 +01:00
e90073f7dd
Avoid calling libtool to link every single test case, by building just one binary from all the sources. This binary is then given the task of choosing tests to run (based on user selection and individual test requirement), forking each test into its own process and accumulating the results.
104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
/*
|
|
* Copyright © 2006 M Joonas Pihlaja
|
|
*
|
|
* 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: M Joonas Pihlaja <jpihlaja@cc.helsinki.fi>
|
|
*/
|
|
|
|
/* Bug history
|
|
*
|
|
* 2006-12-05 M Joonas Pihlaja <jpihlaja@cc.helsinki.fi>
|
|
*
|
|
* The cairo_in_fill () function can sometimes produce false
|
|
* positives when the tessellator produces empty trapezoids
|
|
* and the query point lands exactly on a trapezoid edge.
|
|
*/
|
|
|
|
#include "cairo-test.h"
|
|
|
|
static cairo_test_status_t
|
|
preamble (cairo_test_context_t *ctx)
|
|
{
|
|
int x,y;
|
|
int width = 10;
|
|
int height = 10;
|
|
cairo_surface_t *surf;
|
|
cairo_t *cr;
|
|
int false_positive_count = 0;
|
|
cairo_status_t status;
|
|
cairo_test_status_t ret;
|
|
|
|
surf = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
|
|
cr = cairo_create (surf);
|
|
cairo_surface_destroy (surf);
|
|
|
|
/* Empty horizontal trapezoid. */
|
|
cairo_move_to (cr, 0, height/3);
|
|
cairo_line_to (cr, width, height/3);
|
|
cairo_close_path (cr);
|
|
|
|
/* Empty non-horizontal trapezoid #1. */
|
|
cairo_move_to (cr, 0, 0);
|
|
cairo_line_to (cr, width, height/2);
|
|
cairo_close_path (cr);
|
|
|
|
/* Empty non-horizontal trapezoid #2 intersecting #1. */
|
|
cairo_move_to (cr, 0, height/2);
|
|
cairo_line_to (cr, width, 0);
|
|
cairo_close_path (cr);
|
|
|
|
status = cairo_status (cr);
|
|
|
|
/* Point sample the tessellated path. */
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
if (cairo_in_fill (cr, x, y)) {
|
|
false_positive_count++;
|
|
}
|
|
}
|
|
}
|
|
cairo_destroy (cr);
|
|
|
|
/* Check that everything went well. */
|
|
ret = CAIRO_TEST_SUCCESS;
|
|
if (CAIRO_STATUS_SUCCESS != status) {
|
|
cairo_test_log (ctx, "Failed to create a test surface and path: %s\n",
|
|
cairo_status_to_string (status));
|
|
ret = CAIRO_TEST_FAILURE;
|
|
}
|
|
|
|
if (0 != false_positive_count) {
|
|
cairo_test_log (ctx, "Point sampling found %d false positives "
|
|
"from cairo_in_fill()\n",
|
|
false_positive_count);
|
|
ret = CAIRO_TEST_FAILURE;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
CAIRO_TEST (in_fill_empty_trapezoid,
|
|
"Test that the tessellator isn't producing obviously empty trapezoids",
|
|
"in, trap", /* keywords */
|
|
NULL, /* requirements */
|
|
0, 0,
|
|
preamble, NULL)
|