|
|
@@ -0,0 +1,89 @@
|
|
|
+<!DOCTYPE html>
|
|
|
+<meta charset=utf-8>
|
|
|
+<title>Node.appendChild: inserting script and iframe</title>
|
|
|
+<script src=../../../resources/testharness.js></script>
|
|
|
+<script src=../../../resources/testharnessreport.js></script>
|
|
|
+<body>
|
|
|
+<script>
|
|
|
+
|
|
|
+const kScriptContent = `
|
|
|
+ state = iframe.contentWindow ? "iframe with content window" : "contentWindow is null";
|
|
|
+`;
|
|
|
+
|
|
|
+// This test ensures that a later-inserted script can observe an
|
|
|
+// earlier-inserted iframe's contentWindow.
|
|
|
+test(t => {
|
|
|
+ window.state = "script not run yet";
|
|
|
+ window.iframe = document.createElement("iframe");
|
|
|
+ t.add_cleanup(() => window.iframe.remove());
|
|
|
+
|
|
|
+ const script = document.createElement("script");
|
|
|
+ script.textContent = kScriptContent;
|
|
|
+
|
|
|
+ const div = document.createElement("div");
|
|
|
+ div.appendChild(iframe);
|
|
|
+ div.appendChild(script);
|
|
|
+
|
|
|
+ assert_equals(state, "script not run yet");
|
|
|
+ document.body.appendChild(div);
|
|
|
+ assert_equals(state, "iframe with content window");
|
|
|
+}, "Script inserted after an iframe in the same appendChild() call can " +
|
|
|
+ "observe the iframe's non-null contentWindow");
|
|
|
+
|
|
|
+// The below tests assert that an earlier-inserted script does not observe a
|
|
|
+// later-inserted iframe's contentWindow.
|
|
|
+test(t => {
|
|
|
+ window.state = "script not run yet";
|
|
|
+ window.iframe = document.createElement("iframe");
|
|
|
+ t.add_cleanup(() => window.iframe.remove());
|
|
|
+
|
|
|
+ const script = document.createElement("script");
|
|
|
+ script.textContent = kScriptContent;
|
|
|
+
|
|
|
+ const div = document.createElement("div");
|
|
|
+ div.appendChild(script);
|
|
|
+ div.appendChild(iframe);
|
|
|
+
|
|
|
+ assert_equals(state, "script not run yet");
|
|
|
+ document.body.appendChild(div);
|
|
|
+ assert_equals(state, "contentWindow is null");
|
|
|
+}, "A script inserted atomically before an iframe (using a div) does not " +
|
|
|
+ "observe the iframe's contentWindow, since the 'script running' and " +
|
|
|
+ "'iframe setup' both happen in order, after DOM insertion completes");
|
|
|
+
|
|
|
+test(t => {
|
|
|
+ window.state = "script not run yet";
|
|
|
+ window.iframe = document.createElement("iframe");
|
|
|
+ t.add_cleanup(() => window.iframe.remove());
|
|
|
+
|
|
|
+ const script = document.createElement("script");
|
|
|
+ script.textContent = kScriptContent;
|
|
|
+
|
|
|
+ const df = document.createDocumentFragment();
|
|
|
+ df.appendChild(script);
|
|
|
+ df.appendChild(iframe);
|
|
|
+
|
|
|
+ assert_equals(state, "script not run yet");
|
|
|
+ document.body.appendChild(df);
|
|
|
+ assert_equals(state, "contentWindow is null");
|
|
|
+}, "A script inserted atomically before an iframe (using a DocumentFragment) " +
|
|
|
+ "does not observe the iframe's contentWindow, since the 'script running' " +
|
|
|
+ "and 'iframe setup' both happen in order, after DOM insertion completes");
|
|
|
+
|
|
|
+test(t => {
|
|
|
+ window.state = "script not run yet";
|
|
|
+ window.iframe = document.createElement("iframe");
|
|
|
+ t.add_cleanup(() => window.iframe.remove());
|
|
|
+
|
|
|
+ const script = document.createElement("script");
|
|
|
+ script.textContent = kScriptContent;
|
|
|
+
|
|
|
+ assert_equals(state, "script not run yet");
|
|
|
+ document.body.append(script, iframe);
|
|
|
+
|
|
|
+ assert_equals(state, "contentWindow is null");
|
|
|
+}, "A script inserted atomically before an iframe (using a append() with " +
|
|
|
+ "multiple arguments) does not observe the iframe's contentWindow, since " +
|
|
|
+ "the 'script running' and 'iframe setup' both happen in order, after DOM " +
|
|
|
+ "insertion completes");
|
|
|
+</script>
|
Shannon Booth