diff --git a/test/Makefile.am b/test/Makefile.am index 581c30b49..4e5b2737c 100644 --- a/test/Makefile.am +++ b/test/Makefile.am @@ -757,6 +757,8 @@ REFERENCE_IMAGES = \ pass-through.rgb24.ref.png \ path-append.ps.ref.png \ path-append.ref.png \ + path-stroke-twice.ref.png \ + path-stroke-twice.ps.ref.png \ path-append.test-fallback.ref.png \ path-append.xlib-fallback.ref.png \ path-append.xlib.ref.png \ diff --git a/test/Makefile.sources b/test/Makefile.sources index 3b8805631..0b4ba42ba 100644 --- a/test/Makefile.sources +++ b/test/Makefile.sources @@ -155,6 +155,7 @@ test_sources = \ paint-source-alpha.c \ paint-with-alpha.c \ path-append.c \ + path-stroke-twice.c \ path-precision.c \ pattern-get-type.c \ pattern-getters.c \ diff --git a/test/path-stroke-twice-ref.png b/test/path-stroke-twice-ref.png new file mode 100644 index 000000000..32ef6302f Binary files /dev/null and b/test/path-stroke-twice-ref.png differ diff --git a/test/path-stroke-twice.c b/test/path-stroke-twice.c new file mode 100644 index 000000000..10bbbf8b0 --- /dev/null +++ b/test/path-stroke-twice.c @@ -0,0 +1,54 @@ +/* + * Copyright 2010 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 + */ + +#include "cairo-test.h" + +/* Exercises a bug found by alois@astro.ch: + * http://bugs.freedesktop.org/show_bug.cgi?id=26010 + * cairo_line_to optimizes away path segment + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_move_to (cr, 10, 10); + cairo_line_to (cr, 10, 20); + cairo_line_to (cr, 20, 30); + cairo_line_to (cr, 10, 20); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (path_stroke_twice, + "Tests stroking of a path containing a segment drawn twice", + "path, stroke", /* keywords */ + NULL, /* requirements */ + 40, 40, + NULL, draw) diff --git a/test/path-stroke-twice.ps.ref.png b/test/path-stroke-twice.ps.ref.png new file mode 100644 index 000000000..23e814743 Binary files /dev/null and b/test/path-stroke-twice.ps.ref.png differ