diff options
author | Andrea Canciani <ranma42@gmail.com> | 2011-01-17 10:21:06 +0100 |
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committer | Andrea Canciani <ranma42@gmail.com> | 2011-01-17 10:59:33 +0100 |
commit | 2af0b0f5dae88469113e5b10ccd8405f041bf109 (patch) | |
tree | 11d6adc8195a7ab082b9a45e26a810a2dee0b55a /test | |
parent | a35180714798ace2299aad531e2eacfa7968f16e (diff) |
test: Add white-in-noop
Exercise an incorrect optimization in cairo-surface.c. It replaces
with a noop any region-based fill with solid white source and an IN
operator.
Diffstat (limited to 'test')
-rw-r--r-- | test/Makefile.sources | 1 | ||||
-rw-r--r-- | test/white-in-noop.c | 52 | ||||
-rw-r--r-- | test/white-in-noop.ref.png | bin | 0 -> 95 bytes |
3 files changed, 53 insertions, 0 deletions
diff --git a/test/Makefile.sources b/test/Makefile.sources index 9e5e4d2bb..76a527306 100644 --- a/test/Makefile.sources +++ b/test/Makefile.sources @@ -293,6 +293,7 @@ test_sources = \ user-font-mask.c \ user-font-proxy.c \ user-font-rescale.c \ + white-in-noop.c \ xcomposite-projection.c \ xlib-expose-event.c \ zero-alpha.c \ diff --git a/test/white-in-noop.c b/test/white-in-noop.c new file mode 100644 index 000000000..e6a93e801 --- /dev/null +++ b/test/white-in-noop.c @@ -0,0 +1,52 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2011 Andrea Canciani + * + * 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: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +#define HEIGHT 4 +#define WIDTH 4 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_IN); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (white_in_noop, + "Test an invalid optimization of the IN operator with white sources", + "operator", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/white-in-noop.ref.png b/test/white-in-noop.ref.png Binary files differnew file mode 100644 index 000000000..f42bb8d5f --- /dev/null +++ b/test/white-in-noop.ref.png |