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-rw-r--r--docshell/test/navigation/test_same_url.html56
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diff --git a/docshell/test/navigation/test_same_url.html b/docshell/test/navigation/test_same_url.html
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+++ b/docshell/test/navigation/test_same_url.html
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+
+<!DOCTYPE HTML>
+<html>
+<head>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+ <script type="application/javascript" src="/tests/SimpleTest/SpecialPowers.js"></script>
+ <script type="application/javascript">
+ // Since BFCache in parent requires no opener, use BroadcastChannel
+ // to communicate with file_same_url.html.
+ let bc = new BroadcastChannel("test_same_url");
+ async function test() {
+ var promise;
+ let historyLength;
+
+ promise = waitForLoad();
+ window.open("file_same_url.html", "_blank", "noopener=yes");
+ historyLength = await promise;
+ is(historyLength, 1, "before same page navigation");
+
+ promise = waitForLoad();
+ bc.postMessage("linkClick");
+ historyLength = await promise;
+ is(historyLength, 1, "after same page navigation");
+ bc.postMessage("closeWin");
+
+ SimpleTest.finish();
+ }
+
+ async function waitForLoad() {
+ return new Promise(resolve => {
+ let listener = e => {
+ if (e.data.bodyOnLoad) {
+ bc.removeEventListener("message", listener);
+ setTimeout(() => resolve(e.data.bodyOnLoad), 0);
+ }
+ };
+ bc.addEventListener("message", listener);
+ });
+ }
+ </script>
+</head>
+
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1745730">Bug 1745730</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+</div>
+<pre id="test">
+<script type="text/javascript">
+SimpleTest.waitForExplicitFinish();
+</script>
+</pre>
+<body onload="test()">
+</body>
+</html>
+