third_party/WebKit/LayoutTests/fast/canvas/webgl/gl-getstring.html

   1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
   2   "http://www.w3.org/TR/html4/loose.dtd">
   3 <html>
   4 <head>
   5 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
   6 <title>WebGL gl.getParameter Strings Conformance Tests</title>
   7 <script src="resources/desktop-gl-constants.js" type="text/javascript"></script>
   8 <script src="../../../resources/js-test.js"></script>
   9 <script src="resources/webgl-test.js"></script>
  10 </head>
  11 <body>
  12 <div id="description"></div>
  13 <div id="console"></div>
  14 <canvas id="canvas" width="2" height="2"> </canvas>
  15 <script>
  16 description("This test checks getParameter returns strings in the correct format");
  17
  18 debug("");
  19 debug("Canvas.getContext");
  20
  21 var gl = create3DContext(document.getElementById("canvas"));
  22 if (!gl) {
  23   testFailed("context does not exist");
  24 } else {
  25   testPassed("context exists");
  26
  27   debug("");
  28   checkPrefix("WebGL 1.0", "VERSION");
  29   checkPrefix("WebGL GLSL ES 1.0", "SHADING_LANGUAGE_VERSION");
  30   shouldBeNonNull("gl.getParameter(gl.VENDOR)");
  31   shouldBeNonNull("gl.getParameter(gl.RENDERER)");
  32   shouldBe("gl.getError()", "gl.NO_ERROR");
  33 }
  34
  35 function checkPrefix(expected, enum_val) {
  36   var s = gl.getParameter(gl[enum_val]);
  37   if (s != null &&
  38       s.length >= expected.length &&
  39       s.substring(0, expected.length) == expected) {
  40     testPassed("getParameter(gl." + enum_val + ") correctly started with " + expected);
  41   } else {
  42     testFailed("getParameter(gl." + enum_val + ") did not start with " + expected);
  43   }
  44 }
  45
  46 debug("");
  47
  48 </script>
  49
  50 <script>
  51 </script>
  52
  53 </body>
  54 </html>