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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /dom/tests/mochitest/whatwg/postMessage_override_helper.html
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/tests/mochitest/whatwg/postMessage_override_helper.html')
-rw-r--r--dom/tests/mochitest/whatwg/postMessage_override_helper.html37
1 files changed, 37 insertions, 0 deletions
diff --git a/dom/tests/mochitest/whatwg/postMessage_override_helper.html b/dom/tests/mochitest/whatwg/postMessage_override_helper.html
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+++ b/dom/tests/mochitest/whatwg/postMessage_override_helper.html
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <title>Overriding postMessage and dispatchEvent bindings</title>
+ <script type="application/javascript">
+ window.postMessage = function (evt) {
+ window.parent.postMessage("FAIL overridden postMessage called", "*");
+ };
+
+ var count = 0;
+
+ function receiveMessage(evt) {
+ count++;
+ if (count == 2) {
+ window.dispatchEvent = function(evt) {
+ window.parent.postMessage("FAIL", "*");
+ throw "dispatchEvent threw";
+ };
+ }
+
+ window.parent.postMessage(evt.data, "http://mochi.test:8888");
+ }
+
+ function setup() {
+ var target = document.getElementById("location");
+ target.textContent = location.hostname + ":" + (location.port || 80);
+ }
+
+ window.addEventListener("message", receiveMessage);
+
+ window.addEventListener("load", setup);
+ </script>
+</head>
+<body>
+<h1 id="location">No location!</h1>
+</body>
+</html>