Add tests for javascript: URL task queuing

See whatwg/html#3730. Follows the spec in whatwg/html#6315.
web-platform-tests · Oct 10, 2022 · b2c4983 · b2c4983
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commit b2c4983
Showing 1 changed file with 58 additions and 0 deletions.
diff --git a/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-task-queuing.html b/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-task-queuing.html
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+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>javascript: URL task queuing</title>
+<link rel="help" href="https://github.com/whatwg/html/issues/3730">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<body>
+<script>
+"use strict";
+
+testIsAsync(() => {
+  const iframe = document.createElement("iframe");
+  document.body.append(iframe);
+  iframe.contentWindow.location.href = "javascript:window.top.javascriptURLRan = true; window.top.resolveTestPromise();";
+}, `Navigating an iframe via location.href to a javascript: URL must queue a task`);
+
+testIsAsync(() => {
+  const iframe = document.createElement("iframe");
+  iframe.src = "javascript:window.top.javascriptURLRan = true; window.top.resolveTestPromise();";
+  document.body.append(iframe);
+}, `Navigating an iframe via src="" to a javascript: URL before insertion must queue a task`);
+
+testIsAsync(() => {
+  const iframe = document.createElement("iframe");
+  document.body.append(iframe);
+  iframe.src = "javascript:window.top.javascriptURLRan = true; window.top.resolveTestPromise();";
+}, `Navigating an iframe via src="" to a javascript: URL after insertion must queue a task`);
+
+testIsAsync(() => {
+  const w = window.open();
+  w.location.href = "javascript:window.opener.javascriptURLRan = true; window.opener.resolveTestPromise();";
+}, `Navigating an opened window via location.href to a javascript: URL must queue a task`);
+
+testIsAsync(() => {
+  window.open("javascript:window.opener.javascriptURLRan = true; window.opener.resolveTestPromise();");
+}, `Navigating an opened window as part of creation to a javascript: URL must queue a task`);
+
+function testIsAsync(setupFunc, description) {
+  promise_test(async t => {
+    t.add_cleanup(() => {
+      delete window.resolveTestPromise;
+      delete window.javascriptURLRan;
+    });
+
+    const ranInsidePromise = new Promise(resolve => {
+      window.resolveTestPromise = resolve;
+    });
+
+    setupFunc();
+
+    assert_equals(window.javascriptURLRan, undefined, "Must not run sync");
+
+    // Ensure that we do actually run the code, though.
+    await ranInsidePromise;
+  }, description);
+}
+</script>