| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <meta name="timeout" content="long"> |
| <title>HTMLImageElement.prototype.decode(), iframe tests.</title> |
| <link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org"> |
| <link rel="help" href="https://html.spec.whatwg.org/multipage/embedded-content.html#dom-img-decode"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <iframe id="frame_loaded" srcdoc="iframe"></iframe> |
| <iframe id="frame_notloaded" srcdoc="iframe"></iframe> |
| <iframe id="frame_notloaded2" srcdoc="iframe"></iframe> |
| |
| <script> |
| "use strict"; |
| |
| promise_test(function() { |
| return new Promise(function(resolve, reject) { |
| var frame = document.getElementById("frame_loaded"); |
| var img = frame.contentDocument.createElement("img"); |
| img.src = "/images/green.png"; |
| img.onload = function() { |
| // At this point the frame which created the img is removed, so decode() should fail. |
| frame.parentNode.removeChild(frame); |
| img.decode().then(function() { |
| assert_unreached("Unexpected success"); |
| }, function() { |
| resolve(); |
| }); |
| }; |
| }); |
| }, document.title + " Decode from removed iframe fails (loaded img)"); |
| |
| promise_test(function(t) { |
| var frame = document.getElementById("frame_notloaded"); |
| var img = frame.contentDocument.createElement("img"); |
| img.src = "/images/green.png"; |
| frame.parentNode.removeChild(frame); |
| var promise = img.decode(); |
| return promise_rejects_dom(t, "EncodingError", promise); |
| }, document.title + " Decode from removed iframe fails (img not loaded)"); |
| |
| promise_test(function(t) { |
| var frame = document.getElementById("frame_notloaded2"); |
| var img = frame.contentDocument.createElement("img"); |
| img.src = "/images/green.png"; |
| // First request a promise, then remove the iframe. |
| var promise = img.decode(); |
| frame.parentNode.removeChild(frame); |
| return promise_rejects_dom(t, "EncodingError", promise); |
| }, document.title + " Decode from iframe, later removed, fails (img not loaded)"); |
| |
| </script> |
| |
