diff options
Diffstat (limited to 'testing/web-platform/tests/html/semantics/embedded-content/the-img-element/data-url.html')
| -rw-r--r-- | testing/web-platform/tests/html/semantics/embedded-content/the-img-element/data-url.html | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-img-element/data-url.html b/testing/web-platform/tests/html/semantics/embedded-content/the-img-element/data-url.html new file mode 100644 index 0000000000..808b5c884c --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/the-img-element/data-url.html @@ -0,0 +1,24 @@ +<!doctype html> +<meta charset="utf-8"> +<title>data URL image</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<div id=log></div> +<script> +setup({ single_test: true }); + +var c = document.createElement("canvas"), + con = c.getContext("2d"), + img = document.createElement("img") +img.src = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAAA+UlEQVR4nO3RoRHAQBDEsOu/6YR+B2sgIO4Z3919pMwDMCRtHoAhafMADEmbB2BI2jwAQ9LmARiSNg/AkLR5AIakzQMwJG0egCFp8wAMSZsHYEjaPABD0uYBGJI2D8CQtHkAhqTNAzAkbR6AIWnzAAxJmwdgSNo8AEPS5gEYkjYPwJC0eQCGpM0DMCRtHoAhafMADEmbB2BI2jwAQ9LmARiSNg/AkLR5AIakzQMwJG0egCFp8wAMSZsHYEjaPABD0uYBGJI2D8CQtHkAhqTNAzAkbR6AIWnzAAxJmwdgSNo8AEPS5gEYkjYPwJC0eQCGpM0DMCRtHsDjB5K06yueJFXJAAAAAElFTkSuQmCC" +img.onload = () => { + con.drawImage(img, 0, 0) + var data = con.getImageData(0, 0, 10, 10) // should not throw as data URLs are same-origin + for(var i = 0; i < data.data.length; i++) { + var expected = ((i+1) % 4 == 0) ? 255 : 0 + assert_equals(data.data[i], expected) + } + c.toDataURL() // shouldn't throw either + done() +} +</script> |