tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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open-features-non-integer-left.html (2922B)


      1 <!DOCTYPE html>
      2 <meta charset="utf-8">
      3 <title>HTML: window.open `features`: non-integer values for feature `left`</title>
      4 <meta name=timeout content=long>
      5 <link rel="help" href="https://html.spec.whatwg.org/multipage/#apis-for-creating-and-navigating-browsing-contexts-by-name">
      6 
      7 <!-- user agents are not required to support open features other than `noopener`
      8     and on some platforms position and size features don't make sense -->
      9 <meta name="flags" content="may" />
     10 
     11 <script src="/resources/testharness.js"></script>
     12 <script src="/resources/testharnessreport.js"></script>
     13 <script src="/common/PrefixedPostMessage.js"></script>
     14 <script>
     15 
     16 var featuresPrefix = `width=401,height=204,top=0,`;
     17 var windowURL = 'resources/message-opener.html';
     18 
     19 // https://html.spec.whatwg.org/multipage/infrastructure.html#rules-for-parsing-integers
     20 
     21 setup (() => {
     22  // Before running tests, open a window using features that mimic
     23  // what would happen if the feature tested here were set to 0
     24  // for comparison later.
     25  var featureString = `${featuresPrefix}left=0`;
     26  var prefixedMessage = new PrefixedMessageTest();
     27  prefixedMessage.onMessage((data, e) => {
     28    e.source.close();
     29    runWindowTests(data);
     30  });
     31  var win = window.open(prefixedMessage.url(windowURL), '', featureString);
     32 });
     33 
     34 function runWindowTests (baselineDimensions) {
     35  // When code point in first position is not an ASCII digit, "+" or "-",
     36  // that's an error and the value becomes 0
     37  [ 'left=/104',
     38    'left=_104',
     39    'left=L104'
     40  ].forEach(feature => {
     41    async_test(t => {
     42      var featureString = `${featuresPrefix}${feature}`;
     43      var prefixedMessage = new PrefixedMessageTest();
     44      prefixedMessage.onMessage(t.step_func_done((data, e) => {
     45        e.source.close();
     46        assert_equals(data.left, baselineDimensions.left, `"${feature} begins with an invalid character and should be ignored"`);
     47      }));
     48      var win = window.open(prefixedMessage.url(windowURL) + '&expected_screenX=' + baselineDimensions.left, '', featureString);
     49    }, `features "${feature}" should NOT set "left=104"`);
     50  });
     51 
     52  // Codepoints that are valid ASCII digits should be collected
     53  // Non-ASCII digits and subsequent code points are ignored
     54  [ 'left=105.5',
     55    'left=105.32',
     56    'left=105LLl',
     57    'left=105^4',
     58    'left=105*3',
     59    'left=105/5',
     60    'left=105  ',
     61    'left=105e1',
     62    'left=105e-1'
     63  ].forEach(feature => {
     64    async_test(t => {
     65      var featureString = `${featuresPrefix}${feature}`;
     66      var prefixedMessage = new PrefixedMessageTest();
     67      prefixedMessage.onMessage(t.step_func_done((data, e) => {
     68        e.source.close();
     69        assert_equals(data.left, 105, `"${featureString} value after first non-digit will be ignored"`);
     70      }));
     71      var win = window.open(prefixedMessage.url(windowURL) + '&expected_screenX=105', '', featureString);
     72    }, `features "${feature}" should set "left=105"`);
     73  });
     74 }
     75 
     76 </script>