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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>

<!-- WORKAROUND: this textarea hack is used to contain the html page source without escaping it -->
<textarea id="test-asset">
  <!DOCTYPE HTML>
  <html>
    <head>
      <meta charset="utf-8">
      <script type="text/javascript" src="content_script_iframe.js"></script>
    </head>
  </html>
</textarea>

<script type="text/javascript">
"use strict";

add_task(function* test_contentscript_create_iframe() {
  function background() {
    browser.runtime.onMessage.addListener((msg, sender) => {
      let {name, availableAPIs, manifest, testGetManifest} = msg;
      let hasExtTabsAPI = availableAPIs.indexOf("tabs") > 0;
      let hasExtWindowsAPI = availableAPIs.indexOf("windows") > 0;

      browser.test.assertFalse(hasExtTabsAPI, "the created iframe should not be able to use privileged APIs (tabs)");
      browser.test.assertFalse(hasExtWindowsAPI, "the created iframe should not be able to use privileged APIs (windows)");

      let {applications: {gecko: {id: expectedManifestGeckoId}}} = chrome.runtime.getManifest();
      let {applications: {gecko: {id: actualManifestGeckoId}}} = manifest;

      browser.test.assertEq(actualManifestGeckoId, expectedManifestGeckoId,
                            "the add-on manifest should be accessible from the created iframe"
      );

      let {applications: {gecko: {id: testGetManifestGeckoId}}} = testGetManifest;

      browser.test.assertEq(testGetManifestGeckoId, expectedManifestGeckoId,
                              "GET_MANIFEST() returns manifest data before extension unload"
      );

      browser.test.sendMessage(name);
    });
  }

  function contentScript() {
    let iframe = document.createElement("iframe");
    iframe.setAttribute("src", browser.runtime.getURL("content_script_iframe.html"));
    document.body.appendChild(iframe);
  }

  function contentScriptIframe() {
    window.GET_MANIFEST = browser.runtime.getManifest.bind(null);

    window.testGetManifestException = () => {
      try {
        window.GET_MANIFEST();
      } catch (exception) {
        return String(exception);
      }
    };

    let testGetManifest = window.GET_MANIFEST();

    let manifest = browser.runtime.getManifest();
    let availableAPIs = Object.keys(browser);

    browser.runtime.sendMessage({
      name: "content-script-iframe-loaded",
      availableAPIs,
      manifest,
      testGetManifest,
    });
  }

  const ID = "contentscript@tests.mozilla.org";
  let extensionData = {
    manifest: {
      applications: {gecko: {id: ID}},
      content_scripts: [
        {
          "matches": ["http://mochi.test/*/file_sample.html"],
          "js": ["content_script.js"],
          "run_at": "document_idle",
        },
      ],
      web_accessible_resources: [
        "content_script_iframe.html",
      ],
    },

    background,

    files: {
      "content_script.js": contentScript,
      "content_script_iframe.html": document.querySelector("#test-asset").textContent,
      "content_script_iframe.js": contentScriptIframe,
    },
  };

  let extension = ExtensionTestUtils.loadExtension(extensionData);

  let contentScriptIframeCreatedPromise = new Promise(resolve => {
    extension.onMessage("content-script-iframe-loaded", () => { resolve(); });
  });

  yield extension.startup();
  info("extension loaded");

  let win = window.open("file_sample.html");

  yield Promise.all([waitForLoad(win), contentScriptIframeCreatedPromise]);
  info("content script privileged iframe loaded and executed");

  info("testing APIs availability once the extension is unloaded...");

  let iframeWindow = SpecialPowers.wrap(win)[0];

  ok(iframeWindow, "content script enabled iframe found");
  ok(/content_script_iframe\.html$/.test(iframeWindow.location), "the found iframe has the expected URL");

  yield extension.unload();
  info("extension unloaded");

  info("test content script APIs not accessible from the frame once the extension is unloaded");

  let ww = SpecialPowers.Cu.waiveXrays(iframeWindow);
  let isDeadWrapper = SpecialPowers.Cu.isDeadWrapper(ww.browser);
  ok(!isDeadWrapper, "the API object should not be a dead object");

  let manifest;
  let manifestException;

  try {
    manifest = ww.browser.runtime.getManifest();
  } catch (e) {
    manifestException = e;
  }

  ok(!manifest, "manifest should be undefined");

  is(String(manifestException), "TypeError: ww.browser.runtime is undefined",
     "expected exception received");

  let getManifestException = ww.testGetManifestException();

  is(getManifestException, "TypeError: can't access dead object",
     "expected exception received");

  win.close();

  info("done");
});
</script>

</body>
</html>