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[test] Add timeouts around finishing and converting surfaces to images.

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In order to catch infinite loops whilst replaying and converting vector
surfaces to images (via external renderers) we need to also install
alarms around the calls to finish() and get_image().
This commit is contained in:
Chris Wilson 2009-07-28 08:05:22 +01:00
parent dacc380dd9
commit 24b5ac6377
1 changed files with 10 additions and 4 deletions
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14
test/cairo-test.c
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@ -90,6 +90,10 @@
#define ARRAY_SIZE(A) (sizeof(A) / sizeof (A[0]))
#endif
#if ! HAVE_ALARM
#define alarm(X);
#endif
static const cairo_user_data_key_t _cairo_test_context_key;
static void
@ -955,13 +959,9 @@ REPEAT:
cairo_font_options_destroy (font_options);
cairo_save (cr);
#if HAVE_ALARM
alarm (ctx->timeout);
#endif
status = (ctx->test->draw) (cr, ctx->test->width, ctx->test->height);
#if HAVE_ALARM
alarm (0);
#endif
cairo_restore (cr);
if (similar) {
@ -1040,7 +1040,10 @@ REPEAT:
MEMFAULT_ENABLE_FAULTS ();
#endif
/* also check for infinite loops whilst replaying */
alarm (ctx->timeout);
diff_status = target->finish_surface (surface);
alarm (0);
#if HAVE_MEMFAULT
MEMFAULT_DISABLE_FAULTS ();
@ -1081,9 +1084,12 @@ REPEAT:
/* we may be running this test to generate reference images */
_xunlink (ctx, out_png_path);
/* be more generous as we may need to use external renderers */
alarm (4 * ctx->timeout);
test_image = target->get_image_surface (surface, 0,
ctx->test->width,
ctx->test->height);
alarm (0);
diff_status = cairo_surface_write_to_png (test_image, out_png_path);
cairo_surface_destroy (test_image);
if (diff_status) {