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+<!DOCTYPE HTML>
+<html>
+<head>
+ <meta charset="utf-8">
+ <title>Test pageshow event order for iframe</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
+ <script>
+ SimpleTest.waitForExplicitFinish();
+
+ function waitForPageShow(outer, inner) {
+ return new Promise((resolve) => {
+ let results = [];
+ outer.addEventListener("message", ({ data: persisted }) => {
+ results.push({ name: outer.name, persisted });
+ if (results.length == 2) {
+ resolve(results);
+ }
+ }, { once: true });
+ inner.addEventListener("message", ({ data: persisted }) => {
+ results.push({ name: inner.name, persisted });
+ if (results.length == 2) {
+ resolve(results);
+ }
+ }, { once: true });
+ });
+ }
+ async function runTest() {
+ let outerBC = new BroadcastChannel("bug1740516_1");
+ let innerBC = new BroadcastChannel("bug1740516_1_inner");
+
+ let check = waitForPageShow(outerBC, innerBC).then(([first, second]) => {
+ is(first.name, "bug1740516_1_inner", "Should get pageShow from inner iframe page first.");
+ ok(!first.persisted, "First navigation shouldn't come from BFCache.");
+ is(second.name, "bug1740516_1", "Should get pageShow from outer page second.");
+ ok(!second.persisted, "First navigation shouldn't come from BFCache.");
+ }, () => {
+ ok(false, "The promises should not be rejected.");
+ });
+ window.open("file_bug1740516_1.html", "", "noopener");
+ await check;
+
+ check = waitForPageShow(outerBC, innerBC).then(([first, second]) => {
+ is(first.name, "bug1740516_1_inner", "Should get pageShow from inner iframe page first.");
+ ok(first.persisted, "Second navigation should come from BFCache");
+ is(second.name, "bug1740516_1", "Should get pageShow from outer page second.");
+ ok(second.persisted, "Second navigation should come from BFCache");
+ }, () => {
+ ok(false, "The promises should not be rejected.");
+ });
+ outerBC.postMessage("navigate");
+ await check;
+
+ check = waitForPageShow(outerBC, innerBC).then(([first, second]) => {
+ is(first.name, "bug1740516_1_inner", "Should get pageShow from inner iframe page first.");
+ ok(!first.persisted, "Third navigation should not come from BFCache");
+ is(second.name, "bug1740516_1", "Should get pageShow from outer page second.");
+ ok(!second.persisted, "Third navigation should not come from BFCache");
+ }, () => {
+ ok(false, "The promises should not be rejected.");
+ });
+ outerBC.postMessage("block_bfcache_and_navigate");
+ await check;
+
+ outerBC.postMessage("close");
+
+ outerBC.close();
+ innerBC.close();
+
+ SimpleTest.finish();
+ }
+ </script>
+</head>
+<body onload="runTest();">
+<p id="display"></p>
+<div id="content" style="display: none"></div>
+<pre id="test"></pre>
+</body>
+</html>