<!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 (message) {
    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>
