mozilla-central/toolkit/components/extensions/test/mochitest/test_ext_runtime_disconnect.html

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Test Info: Warnings

<!DOCTYPE HTML>
<html>
<head>
<title>WebExtension test</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/ExtensionTestUtils.js"></script>
<script type="text/javascript" src="head.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script type="text/javascript">
"use strict";
function background() {
browser.runtime.onConnect.addListener(port => {
browser.test.assertEq(port.name, "ernie", "port name correct");
port.onDisconnect.addListener(() => {
browser.test.assertEq(null, port.error, "The port is implicitly closed without errors when the other context unloads");
// Closing an already-disconnected port is a no-op.
port.disconnect();
port.disconnect();
browser.test.sendMessage("disconnected");
});
browser.test.sendMessage("connected");
});
}
function contentScript() {
browser.runtime.connect({name: "ernie"});
}
let extensionData = {
background,
manifest: {
"permissions": ["tabs"],
"content_scripts": [{
"js": ["content_script.js"],
"run_at": "document_idle",
}],
},
files: {
"content_script.js": contentScript,
},
};
add_task(async function test_contentscript() {
let extension = ExtensionTestUtils.loadExtension(extensionData);
await extension.startup();
let win = window.open("file_sample.html");
await Promise.all([waitForLoad(win), extension.awaitMessage("connected")]);
win.close();
await extension.awaitMessage("disconnected");
info("win.close() succeeded");
win = window.open("file_sample.html");
await Promise.all([waitForLoad(win), extension.awaitMessage("connected")]);
// Add an "unload" listener so that we don't put the window in the
// bfcache. This way it gets destroyed immediately upon navigation.
win.addEventListener("unload", function() {}); // eslint-disable-line mozilla/balanced-listeners
win.location = "http://example.com";
await extension.awaitMessage("disconnected");
win.close();
await extension.unload();
info("extension unloaded");
});
</script>
</body>
</html>