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Test Info:
<!DOCTYPE HTML>
<html>
<head>
<title>Test for SpecialPowers.loadChromeScript</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
var script = SpecialPowers.loadChromeScript(function loadChromeScriptTest() {
/* eslint-env mozilla/chrome-script */
// Copied from SpecialPowersLoadChromeScript.js
// Just receive 'foo' message and forward it back
// as 'bar' message
addMessageListener("foo", function (message) {
sendAsyncMessage("bar", message);
});
addMessageListener("valid-assert", function () {
assert.ok(true, "valid assertion");
assert.equal(1, 1, "another valid assertion");
sendAsyncMessage("valid-assert-done");
});
addMessageListener("sync-message", () => {
return "Received a synchronous message.";
});
});
var MESSAGE = { bar: true };
script.addMessageListener("bar", function (message) {
is(JSON.stringify(message), JSON.stringify(MESSAGE),
"received back message from the chrome script");
checkAssert();
});
function checkAssert() {
script.sendAsyncMessage("valid-assert");
script.addMessageListener("valid-assert-done", endOfTest);
}
async function endOfTest() {
is(await script.sendQuery("sync-message"), "Received a synchronous message.",
"Check sync return value");
script.destroy();
SimpleTest.finish();
}
script.sendAsyncMessage("foo", MESSAGE);
</script>
</pre>
</body>
</html>