diff options
Diffstat (limited to 'testing/web-platform/tests/html/canvas/element/manual/drawing-images-to-the-canvas/drawimage_crossorigin.sub.html')
-rw-r--r-- | testing/web-platform/tests/html/canvas/element/manual/drawing-images-to-the-canvas/drawimage_crossorigin.sub.html | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/element/manual/drawing-images-to-the-canvas/drawimage_crossorigin.sub.html b/testing/web-platform/tests/html/canvas/element/manual/drawing-images-to-the-canvas/drawimage_crossorigin.sub.html new file mode 100644 index 0000000000..3d57d9f064 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/element/manual/drawing-images-to-the-canvas/drawimage_crossorigin.sub.html @@ -0,0 +1,61 @@ +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script> + function draw_and_read_image(img, should_throw) { + let c = document.createElement('canvas'); + document.body.appendChild(c); + let ctx = c.getContext('2d'); + ctx.drawImage(img, 0, 0); + + function get_image_data() { + ctx.getImageData(0, 0, 4, 4); + } + + if (should_throw) { + assert_throws_dom('SecurityError', get_image_data); + } else { + get_image_data(); + } + + document.body.removeChild(c); + } + + async_test(t => { + let img = new Image(); + img.src = "/images/green.png"; + img.crossOrigin = "anonymous"; + img.onload = t.step_func_done(() => { + draw_and_read_image(img, false); + }); + img.onerror = t.unreached_func(); + }, "Can get pixels of canvas with same origin image drawn"); + + async_test(t => { + let img = new Image(); + img.src = "http://{{hosts[][www]}}:{{ports[http][0]}}/images/green.png?pipe=header(Access-Control-Allow-Origin,*)"; + img.crossOrigin = "anonymous"; + img.onload = t.step_func_done(() => { + draw_and_read_image(img, false); + }); + img.onerror = t.unreached_func(); + }, "Can get pixels of canvas with CORS enabled cross origin image drawn"); + + async_test(t => { + let img = new Image(); + img.src = "http://{{hosts[][www]}}:{{ports[http][0]}}/images/green.png?pipe=header(Access-Control-Allow-Origin,*)"; + img.onload = t.step_func_done(() => { + draw_and_read_image(img, true); + }); + img.onerror = t.unreached_func(); + }, "Can't get pixels of canvas with CORS enabled cross origin image drawn from non-CORS element"); + + async_test(t => { + let img = new Image(); + img.src = "http://{{hosts[][www]}}:{{ports[http][0]}}/images/green.png"; + + img.onload = t.step_func_done(() => { + draw_and_read_image(img, true); + }); + img.onerror = t.unreached_func(); + }, "Can't get pixels of canvas with non-CORS enabled cross origin image drawn"); +</script> |