| <!-- |
| Copyright (c) 2019 The Khronos Group Inc. |
| Use of this source code is governed by an MIT-style license that can be |
| found in the LICENSE.txt file. |
| --> |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL Extension Conformance Tests</title> |
| <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| <script src="../../js/js-test-pre.js"></script> |
| <script src="../../js/webgl-test-utils.js"></script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <canvas id="canvas" style="width: 50px; height: 50px;"> </canvas> |
| <div id="console"></div> |
| <script> |
| "use strict"; |
| |
| var pseudoRandom = (function() { |
| var seed = 3; |
| return function() { |
| seed = (seed * 11 + 17) % 25; |
| return seed / 25; |
| }; |
| })(); |
| |
| var randomizeCase = function(str) { |
| var newChars = []; |
| for (var ii = 0; ii < str.length; ++ii) { |
| var c = str.substr(ii, 1); |
| var m = (pseudoRandom() > 0.5) ? c.toLowerCase() : c.toUpperCase(); |
| newChars.push(m); |
| } |
| return newChars.join(""); |
| }; |
| |
| description(); |
| |
| var wtu = WebGLTestUtils; |
| var canvas = document.getElementById("canvas"); |
| var gl = wtu.create3DContext(canvas); |
| |
| var ii; |
| |
| debug("check every extension advertised can be enabled"); |
| debug(""); |
| var extensionNames = gl.getSupportedExtensions(); |
| var extensionNamesLower = []; |
| for (ii = 0; ii < extensionNames.length; ++ii) { |
| extensionNamesLower.push(extensionNames[ii].toLowerCase()); |
| } |
| |
| for (ii = 0; ii < extensionNames.length; ++ii) { |
| var originalName = extensionNames[ii]; |
| var mixedName = randomizeCase(originalName); |
| var extension = gl.getExtension(mixedName); |
| assertMsg(extension, "able to get " + originalName + " as " + mixedName); |
| if (extension) { |
| var kTestString = "this is a test"; |
| var kTestNumber = 123; |
| var kTestFunction = function() { }; |
| var kTestObject = { }; |
| extension.testStringProperty = kTestString; |
| extension.testNumberProperty = kTestNumber; |
| extension.testFunctionProperty = kTestFunction; |
| extension.testObjectProperty = kTestObject; |
| webglHarnessCollectGarbage(); |
| var extension2 = gl.getExtension(originalName); |
| assertMsg( |
| extension === extension2, |
| "calling getExtension twice for the same extension returns the same object"); |
| assertMsg( |
| extension2.testStringProperty === kTestString && |
| extension2.testFunctionProperty === kTestFunction && |
| extension2.testObjectProperty === kTestObject && |
| extension2.testNumberProperty === kTestNumber, |
| "object returned by 2nd call to getExtension has same properties"); |
| |
| var prefixedVariants = wtu.getExtensionPrefixedNames(originalName); |
| for (var jj = 0; jj < prefixedVariants.length; ++jj) { |
| assertMsg( |
| gl.getExtension(prefixedVariants[jj]) === null || |
| extensionNamesLower.indexOf(prefixedVariants[jj].toLowerCase()) !== -1, |
| "getExtension('" + prefixedVariants[jj] + "') returns an object only if the name is returned by getSupportedExtensions"); |
| } |
| } |
| debug(""); |
| } |
| |
| var successfullyParsed = true; |
| </script> |
| <script src="../../js/js-test-post.js"></script> |
| |
| </body> |
| </html> |