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<!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 url = SimpleTest.getTestFileURL("SpecialPowersLoadChromeScript.js");
var script = SpecialPowers.loadChromeScript(url);
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", endOfFirstTest);
}
var script2;
function endOfFirstTest() {
script.destroy();
// wantGlobalProperties should add the specified properties to the sandbox
// that is used to run the chrome script.
script2 = SpecialPowers.loadChromeScript(_ => {
/* eslint-env mozilla/chrome-script */
addMessageListener("valid-assert", function (message) {
assert.equal(typeof XMLHttpRequest, "function", "XMLHttpRequest is defined");
assert.equal(typeof CSS, "undefined", "CSS is not defined");
sendAsyncMessage("valid-assert-done");
});
}, { wantGlobalProperties: ["ChromeUtils", "XMLHttpRequest"] });
script2.sendAsyncMessage("valid-assert");
script2.addMessageListener("valid-assert-done", endOfTest);
}
async function endOfTest() {
is(await script.sendQuery("sync-message"), "Received a synchronous message.",
"Check sync return value");
script2.destroy();
SimpleTest.finish();
}
script.sendAsyncMessage("foo", MESSAGE);
</script>
</pre>
</body>
</html>
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