dom/bindings/test/test_integers.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4   <meta charset="utf-8">
   5   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   6   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
   7 </head>
   8 <body>
   9 <p id="display"></p>
  10 <div id="content" style="display: none">
  11   <canvas id="c" width="1" height="1"></canvas>
  12 </div>
  13 <pre id="test">
  14 <script type="application/javascript">
  15
  16   function testInt64NonFinite(arg) {
  17     // We can use a WebGLRenderingContext to test conversion to 64-bit signed
  18     // ints edge cases.
  19     var gl = $("c").getContext("experimental-webgl");
  20     if (!gl) {
  21       // No WebGL support on MacOS 10.5.  Just skip this test
  22       todo(false, "WebGL not supported");
  23       return;
  24     }
  25     var error = gl.getError();
  26
  27     // on the b2g emulator we get GL_INVALID_FRAMEBUFFER_OPERATION
  28     if (error == 0x0506) // GL_INVALID_FRAMEBUFFER_OPERATION
  29         return;
  30
  31     is(error, 0, "Should not start in an error state");
  32
  33     var b = gl.createBuffer();
  34     gl.bindBuffer(gl.ARRAY_BUFFER, b);
  35
  36     var a = new Float32Array(1);
  37     gl.bufferData(gl.ARRAY_BUFFER, a, gl.STATIC_DRAW);
  38
  39     gl.bufferSubData(gl.ARRAY_BUFFER, arg, a);
  40
  41     is(gl.getError(), 0, "Should have treated non-finite double as 0");
  42   }
  43
  44   testInt64NonFinite(NaN);
  45   testInt64NonFinite(Infinity);
  46   testInt64NonFinite(-Infinity);
  47 </script>
  48 </pre>
  49 </body>
  50 </html>