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Add new set-surface-no-show-text test.

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Be sure to call cairo_destroy even if the image size is 0,0 so that we can test bugs triggered during cleanup.
This commit is contained in:
Carl Worth 2005-04-13 14:45:05 +00:00
parent f3af02bb0e
commit f4b2f59c05
5 changed files with 76 additions and 0 deletions
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11
ChangeLog
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@ -1,3 +1,14 @@
2005-04-13 Carl Worth <cworth@cworth.org>
* test/.cvsignore:
* test/Makefile.am:
* test/select-font-no-show-text.c: (draw), (main): Add new
set-surface-no-show-text test.
* test/cairo-test.c: (cairo_test): Be sure to call cairo_destroy
even if the image size is 0,0 so that we can test bugs triggered
during cleanup.
2005-04-13 Carl Worth <cworth@cworth.org>
* test/coverage-ref.png:

2
test/.cvsignore
View file

@ -14,10 +14,12 @@ linear-gradient
move-to-show-surface
path-data
pixman-rotate
select-font-no-show-text
text-cache-crash
text-rotate
transforms
translate-show-surface
trap-clip
user-data
*-out.png
*-diff.png

2
test/Makefile.am
View file

@ -11,6 +11,7 @@ linear-gradient \
move-to-show-surface \
path-data \
pixman-rotate \
select-font-no-show-text\
text-cache-crash \
text-rotate \
transforms \
@ -90,6 +91,7 @@ linear_gradient_LDADD = $(LDADDS)
move_to_show_surface_LDADD = $(LDADDS)
path_data_LDADD = $(LDADDS)
pixman_rotate_LDADD = $(LDADDS)
select_font_no_show_text_LDADD = $(LDADDS)
text_cache_crash_LDADD = $(LDADDS)
text_rotate_LDADD = $(LDADDS)
transforms_LDADD = $(LDADDS)

1
test/cairo-test.c
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@ -154,6 +154,7 @@ cairo_test (cairo_test_t *test, cairo_test_draw_function_t draw)
/* Skip image check for tests with no image (width,height == 0,0) */
if (test->width == 0 || test->height == 0) {
cairo_destroy (cr);
free (png_buf);
free (diff_buf);
return CAIRO_TEST_SUCCESS;

60
test/select-font-no-show-text.c Normal file
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@ -0,0 +1,60 @@
/*
* Copyright © 2005 Red Hat, Inc.
*
* 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
* Red Hat, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Red Hat, Inc. makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL RED HAT, INC. 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: Carl Worth <cworth@redhat.com>
*/
/* Bug history
*
* 2005-04-12 Carl Worth <cworth@cworth.org>
*
* I noticed that if we call cairo_select_font, but then do a
* cairo_destroy before ever drawing any text, then we get:
*
* *** glibc detected *** double free or corruption (fasttop): 0x083274d0 ***
* Aborted
*/
#include <math.h>
#include "cairo-test.h"
static cairo_test_t test = {
"select-font-no-show-text",
"Exercise a bug in calling cairo_select_font but never drawing text.",
0, 0
};
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_select_font (cr, "Bitstream Vera Sans",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_BOLD);
return CAIRO_TEST_SUCCESS;
}
int
main (void)
{
return cairo_test (&test, draw);
}