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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /browser/components/syncedtabs/test/xpcshell/test_EventEmitter.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'browser/components/syncedtabs/test/xpcshell/test_EventEmitter.js')
-rw-r--r-- | browser/components/syncedtabs/test/xpcshell/test_EventEmitter.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/browser/components/syncedtabs/test/xpcshell/test_EventEmitter.js b/browser/components/syncedtabs/test/xpcshell/test_EventEmitter.js new file mode 100644 index 0000000000..07f2a1b296 --- /dev/null +++ b/browser/components/syncedtabs/test/xpcshell/test_EventEmitter.js @@ -0,0 +1,36 @@ +"use strict"; + +let { EventEmitter } = ChromeUtils.importESModule( + "resource:///modules/syncedtabs/EventEmitter.sys.mjs" +); + +add_task(async function testSingleListener() { + let eventEmitter = new EventEmitter(); + let spy = sinon.spy(); + + eventEmitter.on("click", spy); + eventEmitter.emit("click", "foo", "bar"); + Assert.ok(spy.calledOnce); + Assert.ok(spy.calledWith("foo", "bar")); + + eventEmitter.off("click", spy); + eventEmitter.emit("click"); + Assert.ok(spy.calledOnce); +}); + +add_task(async function testMultipleListeners() { + let eventEmitter = new EventEmitter(); + let spy1 = sinon.spy(); + let spy2 = sinon.spy(); + + eventEmitter.on("some_event", spy1); + eventEmitter.on("some_event", spy2); + eventEmitter.emit("some_event"); + Assert.ok(spy1.calledOnce); + Assert.ok(spy2.calledOnce); + + eventEmitter.off("some_event", spy1); + eventEmitter.emit("some_event"); + Assert.ok(spy1.calledOnce); + Assert.ok(spy2.calledTwice); +}); |