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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/tests/mochitest/whatwg/postMessage_override_helper.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
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.html | 37 |
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 new file mode 100644 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> |