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<!DOCTYPE HTML>
<html>
<head>
  <title>Test for content script</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/SpawnTask.js"></script>
  <script type="text/javascript" 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";

add_task(function* test_contentscript() {
  function background() {
    browser.test.onMessage.addListener(url => {
      browser.tabs.create({url}).then(tab => {
        return browser.tabs.executeScript(tab.id, {code: "true;"})
                      .then(() => {
                        browser.test.sendMessage("executed", true);
                        browser.tabs.remove([tab.id]);
                      }, err => {
                        browser.test.sendMessage("executed", false);
                        browser.tabs.remove([tab.id]);
                      });
      });
    });
  }

  let extensionData = {
    manifest: {
      permissions: ["<all_urls>"],
    },
    background,
  };

  let extension = ExtensionTestUtils.loadExtension(extensionData);
  yield extension.startup();

  extension.sendMessage("https://example.com");
  let result = yield extension.awaitMessage("executed");
  is(result, true, "Content script can be run in a page without mozAddonManager");

  yield SpecialPowers.pushPrefEnv({
    set: [["extensions.webapi.testing", true]],
  });

  extension.sendMessage("https://example.com");
  result = yield extension.awaitMessage("executed");
  is(result, false, "Content script cannot be run in a page with mozAddonManager");

  yield extension.unload();
});
</script>

</body>
</html>