tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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open-features-non-integer-top.html (2806B)


      1 <!DOCTYPE html>
      2 <meta charset="utf-8">
      3 <title>HTML: window.open `features`: non-integer values for feature `top`</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 var windowURL = 'resources/message-opener.html';
     16 var featuresPrefix = `width=401,height=204,left=0,`;
     17 
     18 setup (() => {
     19  // Before running tests, open a window using features that mimic
     20  // what would happen if the feature tested here were set to 0
     21  // for comparison later.
     22  var featureString = `${featuresPrefix}top=0`;
     23  var prefixedMessage = new PrefixedMessageTest();
     24  prefixedMessage.onMessage((data, e) => {
     25    e.source.close();
     26    runWindowTests(data);
     27  });
     28  var win = window.open(prefixedMessage.url(windowURL), '', featureString);
     29 });
     30 
     31 function runWindowTests (baselineDimensions) {
     32  // When code point in first position is not an ASCII digit, "+" or "-",
     33  // that's an error and the value becomes 0
     34  [ 'top=/104',
     35    'top=_104',
     36    'top=L104'
     37  ].forEach(feature => {
     38    async_test(t => {
     39      var prefixedMessage = new PrefixedMessageTest();
     40      var featureString = `${featuresPrefix}${feature}`;
     41      prefixedMessage.onMessage(t.step_func_done((data, e) => {
     42        e.source.close();
     43        assert_equals(data.top, baselineDimensions.top, `"${feature} begins with an invalid character and should be ignored"`);
     44      }));
     45      var win = window.open(prefixedMessage.url(windowURL) + '&expected_screenY=' + baselineDimensions.top, '', featureString);
     46    }, `features "${feature}" should NOT set "top=104"`);
     47  });
     48 
     49  // Codepoints that are valid ASCII digits should be collected
     50  // Non-ASCII digits and subsequent code points are ignored
     51  [ 'top=105.5',
     52    'top=105.32',
     53    'top=105LLl',
     54    'top=105^4',
     55    'top=105*3',
     56    'top=105/5',
     57    'top=105  ',
     58    'top=105e1',
     59    'top=105e-1'
     60  ].forEach(feature => {
     61    async_test(t => {
     62      var featureString = `${featuresPrefix}${feature}`;
     63      var prefixedMessage = new PrefixedMessageTest();
     64      prefixedMessage.onMessage(t.step_func_done((data, e) => {
     65        e.source.close();
     66        assert_equals(data.top, 105, `"${feature} value after first non-digit will be ignored"`);
     67      }));
     68      var win = window.open(prefixedMessage.url(windowURL) + '&expected_screenY=105', '', featureString);
     69    }, `features "${feature}" should set "top=105"`);
     70  });
     71 }
     72 
     73 </script>