<!DOCTYPE html> <meta charset=utf-8> <title>Test for handling of 'crossorigin' attribute on CSS link with data: URL</title> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <div id="log"></div> <div id="someuniqueidhere"></div> <img id="testimg" crossorigin src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAIAAACQd1PeAAAADElEQVR42mP4z8AAAAMBAQD3A0FDAAAAAElFTkSuQmCC"> <script> var t = async_test("img@crossorigin with data: src"); window.addEventListener("load", t.step_func_done(function() { var img = document.getElementById("testimg"); assert_equals(img.naturalWidth, 1, "Should have 1px width"); assert_equals(img.naturalHeight, 1, "Should have 1px height"); var c = document.createElement("canvas"); c.width = c.height = 1; var ctx = c.getContext("2d"); ctx.drawImage(img, 0, 0); var data = ctx.getImageData(0, 0, 1, 1); assert_equals(data.width, 1, "Should have 1px data width"); assert_equals(data.height, 1, "Should have 1px data height"); assert_equals(data.data[0], 255, "Should have lots of red"); assert_equals(data.data[1], 0, "Should have no green"); assert_equals(data.data[2], 0, "Should have no blue"); assert_equals(data.data[3], 255, "Should have no translucency"); })); </script>