tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_exception.html (1809B)

      1 <!DOCTYPE HTML>
      2 <html>
      3 <head>
      4  <title>Test for Exception in Worklet script</title>
      5  <script src="/tests/SimpleTest/SimpleTest.js"></script>
      6  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
      7  <script type="application/javascript" src="common.js"></script>
      8 </head>
      9 <body>
     10 
     11 <script type="application/javascript">
     12 // This function is called into an iframe.
     13 function runTestInIframe() {
     14  let error;
     15 
     16  // This loading should fail
     17  var audioContext = new AudioContext();
     18  audioContext.audioWorklet.addModule("404.js")
     19  .then(() => {
     20    ok(false, "We should not be called!");
     21  }, () => {
     22    ok(true, "The script thrown but we are still here.");
     23  })
     24 
     25  // This should throw from JS
     26  .then(() => {
     27    return audioContext.audioWorklet.addModule("worklet_exception.js")
     28  })
     29  .then(() => {
     30    ok(true, "The script threw but we are still here.");
     31  }, () => {
     32    ok(false, "We should not be called!");
     33  })
     34 
     35  // invalid_specifier.mjs will throw a TypeError.
     36  .then(() => {
     37    return audioContext.audioWorklet.addModule("invalid_specifier.mjs")
     38  })
     39  .then(() => {
     40    ok(false, "We should not be called!");
     41  }, (e) => {
     42    ok(true, "The script thrown but we are still here.");
     43    ok(e instanceof TypeError, "The error should be a TypeError.");
     44    error = e;
     45  })
     46 
     47  // import "invalid_specifier.mjs" again, this will reuse the response from the
     48  // previous addModule("invalid_specifier.mjs") call.
     49  .then(() => {
     50    return audioContext.audioWorklet.addModule("invalid_specifier.mjs")
     51  })
     52  .then(() => {
     53    ok(false, "We should not be called!");
     54  }, (e) => {
     55    ok(true, "The script thrown but we are still here.");
     56    ok (e === error, "The TypeError object should be reused.");
     57  })
     58 
     59  .then(() => {
     60    SimpleTest.finish();
     61  });
     62 }
     63 
     64 </script>
     65 </body>
     66 </html>