tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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javascript-url-no-beforeunload.window.js (2616B)

      1 // META: script=../resources/helpers.js
      2 
      3 for (const stringCompletion of [false, true]) {
      4  const testNameSuffix = stringCompletion ? ": string completion" : ": undefined completion";
      5 
      6  testNoBeforeunload(
      7    { testRunnerWindow: "top", stringCompletion },
      8    async (t, urlToSet) => {
      9      const iframe = await addIframe();
     10      iframe.contentWindow.location.href = urlToSet;
     11 
     12      return iframe.contentWindow;
     13    },
     14    `Navigating an iframe via location.href to a javascript: URL must not fire beforeunload${testNameSuffix}`
     15  );
     16 
     17  testNoBeforeunload(
     18    { testRunnerWindow: "top", stringCompletion },
     19    async (t, urlToSet) => {
     20      const iframe = await addIframe();
     21      iframe.src = urlToSet;
     22 
     23      return iframe.contentWindow;
     24    },
     25    `Navigating an iframe via src="" to a javascript: URL after insertion must not fire beforeunload${testNameSuffix}`
     26  );
     27 
     28  testNoBeforeunload(
     29    { testRunnerWindow: "opener", stringCompletion },
     30    async (t, urlToSet) => {
     31      const w = await openWindow("/common/blank.html", t);
     32      w.location.href = urlToSet;
     33 
     34      return w;
     35    },
     36    `Navigating an opened window via location.href to a javascript: URL must not fire beforeunload${testNameSuffix}`
     37  );
     38 
     39 
     40  testNoBeforeunload(
     41    { testRunnerWindow: "opener", stringCompletion },
     42    async (t, urlToSet) => {
     43      const w = await openWindow("../resources/has-iframe.html", t);
     44      w.frames[0].onbeforeunload = t.unreached_func("beforeunload must not fire on the iframe");
     45      w.location.href = urlToSet;
     46 
     47      return w;
     48    },
     49    `Navigating an opened window with an iframe via location.href to a javascript: URL must not fire beforeunload on the iframe${testNameSuffix}`
     50  );
     51 }
     52 
     53 function testNoBeforeunload({ testRunnerWindow, stringCompletion }, setupAndNavigateFunc, description) {
     54  promise_test(async t => {
     55    t.add_cleanup(() => {
     56      delete window.resolveTestPromise;
     57    });
     58 
     59    const ranPromise = new Promise(resolve => {
     60      window.resolveTestPromise = resolve;
     61    });
     62 
     63    const urlToSet = makeURL({ testRunnerWindow, stringCompletion });
     64    const w = await setupAndNavigateFunc(t, urlToSet);
     65    w.onbeforeunload = t.unreached_func("beforeunload must not fire");
     66 
     67    await ranPromise;
     68    if (stringCompletion) {
     69      await waitForMessage(w);
     70    }
     71  }, description);
     72 }
     73 
     74 function makeURL({ testRunnerWindow, stringCompletion }) {
     75  const completion = stringCompletion ?
     76    `"a string<script>window.${testRunnerWindow}.postMessage('ready', '*');</script>";` :
     77    `undefined;`;
     78 
     79  return `javascript:window.${testRunnerWindow}.resolveTestPromise();${completion};`;
     80 }