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

Be sure to call cairo_destroy even if the image size is 0,0 so that we can test bugs triggered during cleanup.

1 files changed, 60 insertions, 0 deletions

diff --git a/test/select-font-no-show-text.c b/test/select-font-no-show-text.c
new file mode 100644
index 000000000..f662ce374
--- /dev/null
+++ b/test/select-font-no-show-text.c
@@ -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);
+}