Don't fire load event from within Stop().

This matches what the spec says, and what blink does. Differential Revision: https://phabricator.services.mozilla.com/D73994 bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1620679 gecko-commit: 9cec607a0ea7d4e3188ce44320e1c49f21a7f0b6 gecko-integration-branch: autoland gecko-reviewers: smaug
web-platform-tests · Jun 1, 2020 · 546986f · 546986f
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diff --git a/html/browsers/browsing-the-web/navigating-across-documents/abort-document-load-1.html b/html/browsers/browsing-the-web/navigating-across-documents/abort-document-load-1.html
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+<!doctype html>
+<script>
+parent.postMessage(document.readyState, "*");
+let f = document.createElement("iframe");
+f.onload = function() {
+  parent.postMessage("stop", "*");
+  window.stop();
+};
+document.documentElement.appendChild(f);
+
+window.addEventListener("load", (event) => {
+    parent.postMessage("load", "*");
+});
+window.addEventListener("error", (event) => {
+    parent.postMessage("error", "*");
+});
+window.addEventListener("abort", (event) => {
+    parent.postMessage("abort", "*");
+});
+window.addEventListener("pageshow", (event) => {
+    parent.postMessage("pageshow", "*");
+});
+window.addEventListener("DOMContentLoaded", (event) => {
+    parent.postMessage("DOMContentLoaded", "*");
+});
+document.addEventListener("readystatechange", (event) => {
+    if (document.readyState === "complete") {
+        parent.postMessage("complete", "*");
+    }
+});
+
+</script>
diff --git a/html/browsers/browsing-the-web/navigating-across-documents/abort-document-load-2.html b/html/browsers/browsing-the-web/navigating-across-documents/abort-document-load-2.html
@@ -0,0 +1,32 @@
+<!doctype html>
+<script>
+parent.postMessage(document.readyState, "*");
+
+window.addEventListener("load", (event) => {
+    parent.postMessage("load", "*");
+});
+window.addEventListener("error", (event) => {
+    parent.postMessage("error", "*");
+});
+window.addEventListener("abort", (event) => {
+    parent.postMessage("abort", "*");
+});
+window.addEventListener("pageshow", (event) => {
+    parent.postMessage("pageshow", "*");
+});
+window.addEventListener("DOMContentLoaded", (event) => {
+    parent.postMessage("DOMContentLoaded", "*");
+});
+document.addEventListener("readystatechange", (event) => {
+    if (document.readyState === "complete") {
+        parent.postMessage("complete", "*");
+    }
+});
+
+window.setTimeout(function() {
+  parent.postMessage("stop", "*");
+  window.stop();
+}, 100);
+
+</script>
+<link rel="stylesheet" href="/common/slow.py"></link>
diff --git a/html/browsers/browsing-the-web/navigating-across-documents/abort-document-load.html b/html/browsers/browsing-the-web/navigating-across-documents/abort-document-load.html
@@ -0,0 +1,30 @@
+<!doctype html>
+<title>Aborting a Document load</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/browsing-the-web.html#aborting-a-document-load">
+<div id="log"></div>
+<script>
+var events = [];
+onmessage = function(e) {
+  events.push(e.data);
+};
+async_test(test => {
+  test.step_timeout(() => {
+    const frame = document.querySelector('iframe');
+    const child = frame.contentWindow;
+    assert_equals(child.document.readyState, 'complete', 'readyState is complete');
+    assert_array_equals(events, ["loading", "DOMContentLoaded", "stop", "complete"], 'no load event was fired');
+    events = [];
+    frame.src = "abort-document-load-2.html";
+
+    test.step_timeout(() => {
+      const child = frame.contentWindow;
+      assert_equals(child.document.readyState, 'complete', 'readyState is complete');
+      assert_array_equals(events, ["loading", "DOMContentLoaded", "stop", "complete"], 'no load event was fired');
+      test.done();
+    }, 1000);
+  }, 1000);
+});
+</script>
+<iframe src="abort-document-load-1.html"></iframe>