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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/xpconnect/tests/unit/test_messageChannel.js | |
parent | Initial commit. (diff) | |
download | firefox-upstream/124.0.1.tar.xz firefox-upstream/124.0.1.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/xpconnect/tests/unit/test_messageChannel.js')
-rw-r--r-- | js/xpconnect/tests/unit/test_messageChannel.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_messageChannel.js b/js/xpconnect/tests/unit/test_messageChannel.js new file mode 100644 index 0000000000..685aa10e43 --- /dev/null +++ b/js/xpconnect/tests/unit/test_messageChannel.js @@ -0,0 +1,29 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ + +add_task(async function() { + let sb = new Cu.Sandbox('http://www.example.com', + { wantGlobalProperties: ["MessageChannel"] }); + sb.ok = ok; + Cu.evalInSandbox('ok((new MessageChannel()) instanceof MessageChannel);', + sb); + Cu.evalInSandbox('ok((new MessageChannel()).port1 instanceof MessagePort);', + sb); + + Cu.importGlobalProperties(["MessageChannel"]); + + let mc = new MessageChannel(); + Assert.ok(mc instanceof MessageChannel); + Assert.ok(mc.port1 instanceof MessagePort); + Assert.ok(mc.port2 instanceof MessagePort); + + mc.port1.postMessage(42); + + let result = await new Promise(resolve => { + mc.port2.onmessage = e => { + resolve(e.data); + } + }); + + Assert.equal(result, 42); +}); |