| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> |
| <title>WebGL gl.getParameter Strings Conformance Tests</title> |
| <script src="resources/desktop-gl-constants.js" type="text/javascript"></script> |
| <script src="../../../resources/js-test.js"></script> |
| <script src="resources/webgl-test.js"></script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| <canvas id="canvas" width="2" height="2"> </canvas> |
| <script> |
| description("This test checks getParameter returns strings in the correct format"); |
| |
| debug(""); |
| debug("Canvas.getContext"); |
| |
| var gl = create3DContext(document.getElementById("canvas")); |
| if (!gl) { |
| testFailed("context does not exist"); |
| } else { |
| testPassed("context exists"); |
| |
| debug(""); |
| checkPrefix("WebGL 1.0", "VERSION"); |
| checkPrefix("WebGL GLSL ES 1.0", "SHADING_LANGUAGE_VERSION"); |
| shouldBeNonNull("gl.getParameter(gl.VENDOR)"); |
| shouldBeNonNull("gl.getParameter(gl.RENDERER)"); |
| shouldBe("gl.getError()", "gl.NO_ERROR"); |
| } |
| |
| function checkPrefix(expected, enum_val) { |
| var s = gl.getParameter(gl[enum_val]); |
| if (s != null && |
| s.length >= expected.length && |
| s.substring(0, expected.length) == expected) { |
| testPassed("getParameter(gl." + enum_val + ") correctly started with " + expected); |
| } else { |
| testFailed("getParameter(gl." + enum_val + ") did not start with " + expected); |
| } |
| } |
| |
| debug(""); |
| |
| </script> |
| </body> |
| </html> |
