tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_fb_param_crash.html (1226B)


      1 <!DOCTYPE HTML>
      2 <title>WebGL test: bug 958723</title>
      3 <script src="/tests/SimpleTest/SimpleTest.js"></script>
      4 <link rel="stylesheet" href="/tests/SimpleTest/test.css">
      5 <script src="driver-info.js"></script>
      6 <body>
      7 <canvas id="c"></canvas>
      8 <script>
      9 
     10 // Give ourselves a scope to return early from:
     11 (function() {
     12  var gl = c.getContext('webgl');
     13  if (!gl) {
     14    todo(false, 'WebGL is unavailable.');
     15    return;
     16  }
     17 
     18  function checkGLError(func, info, reference) {
     19    var error = gl.getError();
     20    var prefix = info ? ('[' + info + '] ') : '';
     21    var text = 'gl.getError should be 0x' + reference.toString(16) +
     22               ', was 0x' + error.toString(16) + '.';
     23    func(error == reference, prefix + text);
     24  }
     25 
     26  // Begin test:
     27  if (!gl.getExtension('WEBGL_draw_buffers')) {
     28    todo(false, 'Not having this extension is fine.');
     29    return;
     30  }
     31  checkGLError(ok, 'before bad param query', 0);
     32 
     33  var result = gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER,
     34                                                    gl.COLOR_ATTACHMENT0,
     35                                                    gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME);
     36 
     37  checkGLError(ok, 'after bad param query', gl.INVALID_OPERATION);
     38 })();
     39 
     40 </script>