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test: add PNG functions

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This commit is contained in:
Benjamin Otte 2010-07-05 22:19:05 +02:00
parent 897eaa3e97
commit 41abc0ca37
1 changed files with 36 additions and 0 deletions
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36
test/api-special-cases.c
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@ -304,6 +304,38 @@ test_cairo_image_surface_get_stride (cairo_surface_t *surface)
return stride == 0 || surface_has_type (surface, CAIRO_SURFACE_TYPE_IMAGE) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR;
}
#if CAIRO_HAS_PNG_FUNCTIONS
static cairo_test_status_t
test_cairo_surface_write_to_png (cairo_surface_t *surface)
{
cairo_status_t status;
status = cairo_surface_write_to_png (surface, "/this/file/will/definitely/not/exist.png");
return status ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR;
}
static cairo_status_t
write_func_that_always_fails (void *closure, const unsigned char *data, unsigned int length)
{
return CAIRO_STATUS_WRITE_ERROR;
}
static cairo_test_status_t
test_cairo_surface_write_to_png_stream (cairo_surface_t *surface)
{
cairo_status_t status;
status = cairo_surface_write_to_png_stream (surface,
write_func_that_always_fails,
NULL);
return status && status != CAIRO_STATUS_WRITE_ERROR ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR;
}
#endif
#define TEST(name, surface_type, sets_status) { #name, test_ ## name, surface_type, sets_status }
@ -342,6 +374,10 @@ struct {
TEST (cairo_image_surface_get_width, CAIRO_SURFACE_TYPE_IMAGE, FALSE),
TEST (cairo_image_surface_get_height, CAIRO_SURFACE_TYPE_IMAGE, FALSE),
TEST (cairo_image_surface_get_stride, CAIRO_SURFACE_TYPE_IMAGE, FALSE),
#if CAIRO_HAS_PNG_FUNCTIONS
TEST (cairo_surface_write_to_png, -1, FALSE),
TEST (cairo_surface_write_to_png_stream, -1, FALSE),
#endif
};
static cairo_test_status_t