test/solid-pattern-cache-stress.c

   1 /*
   2  * Copyright © 2007 Chris Wilson.
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software
   5  * and its documentation for any purpose is hereby granted without
   6  * fee, provided that the above copyright notice appear in all copies
   7  * and that both that copyright notice and this permission notice
   8  * appear in supporting documentation, and that the name of
   9  * Chris Wilson. Not be used in advertising or publicity pertaining to
  10  * distribution of the software without specific, written prior
  11  * permission. Chris Wilson makes no representations about the
  12  * suitability of this software for any purpose.  It is provided "as
  13  * is" without express or implied warranty.
  14  *
  15  * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
  16  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  17  * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL,
  18  * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
  19  * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  20  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
  21  * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  22  *
  23  * Author: Chris Wilson <chris at chris-wilson.co.uk>
  24  */
  25
  26 #if HAVE_CONFIG_H
  27 #include "config.h"
  28 #endif
  29
  30 #include "cairo-test.h"
  31
  32 static cairo_test_draw_function_t draw;
  33
  34 cairo_test_t test = {
  35     "solid-pattern-cache-stress",
  36     "Stress the solid pattern cache and ensure it behaves",
  37     0, 0,
  38     draw
  39 };
  40 #include <cairo.h>
  41 #include <stdlib.h>
  42
  43 #define LOOPS 10
  44 #define NRAND 100
  45
  46 #ifndef HAVE_DRAND48
  47 #define drand48() (rand () / (double) RAND_MAX)
  48 #endif
  49
  50 static cairo_test_status_t
  51 draw (cairo_t *cr, int width, int height)
  52 {
  53     int loop;
  54     int i;
  55
  56     for (loop = 0; loop < LOOPS; loop++) {
  57         cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */
  58         cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); /* red */
  59         cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); /* green */
  60         cairo_set_source_rgb (cr, 1.0, 1.0, 0.0); /* yellow */
  61         cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); /* blue */
  62         cairo_set_source_rgb (cr, 1.0, 0.0, 1.0); /* magenta */
  63         cairo_set_source_rgb (cr, 0.0, 1.0, 1.0); /* cyan */
  64         cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */
  65
  66         cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0); /* black */
  67         cairo_set_source_rgba (cr, 1.0, 0.0, 0.0, 1.0); /* red */
  68         cairo_set_source_rgba (cr, 0.0, 1.0, 0.0, 1.0); /* green */
  69         cairo_set_source_rgba (cr, 1.0, 1.0, 0.0, 1.0); /* yellow */
  70         cairo_set_source_rgba (cr, 0.0, 0.0, 1.0, 1.0); /* blue */
  71         cairo_set_source_rgba (cr, 1.0, 0.0, 1.0, 1.0); /* magenta */
  72         cairo_set_source_rgba (cr, 0.0, 1.0, 1.0, 1.0); /* cyan */
  73         cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 1.0); /* white */
  74
  75         for (i = 0; i < NRAND; i++)
  76             cairo_set_source_rgba (cr,
  77                                    drand48 (),
  78                                    drand48 (),
  79                                    drand48 (),
  80                                    drand48 ());
  81     }
  82
  83     return CAIRO_TEST_SUCCESS;
  84 }
  85
  86 int
  87 main (void)
  88 {
  89     return cairo_test (&test);
  90 }
  91