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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/tests/mochitest/whatwg/postMessage_override_helper.html
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
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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index 0000000000..901e3af7bb
--- /dev/null
+++ 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>