Index: conformance/misc/boolean-argument-conversion.html |
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--- conformance/misc/boolean-argument-conversion.html (revision 0) |
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+<!-- |
+ |
+/* |
+** Copyright (c) 2012 The Khronos Group Inc. |
+** |
+** Permission is hereby granted, free of charge, to any person obtaining a |
+** copy of this software and/or associated documentation files (the |
+** "Materials"), to deal in the Materials without restriction, including |
+** without limitation the rights to use, copy, modify, merge, publish, |
+** distribute, sublicense, and/or sell copies of the Materials, and to |
+** permit persons to whom the Materials are furnished to do so, subject to |
+** the following conditions: |
+** |
+** The above copyright notice and this permission notice shall be included |
+** in all copies or substantial portions of the Materials. |
+** |
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
+*/ |
+ |
+--> |
+ |
+<!DOCTYPE html> |
+<html> |
+<head> |
+<meta charset="utf-8"> |
+<link rel="stylesheet" href="../../resources/js-test-style.css"/> |
+<script src="../../resources/js-test-pre.js"></script> |
+<script src="../resources/webgl-test.js"></script> |
+<script src="../resources/webgl-test-utils.js"></script> |
+<script src="../../resources/test-eval.js"></script> |
+</head> |
+<body> |
+<div id="description"></div> |
+<div id="console"></div> |
+ |
+<script> |
+"use strict"; |
+var wtu = WebGLTestUtils; |
+description("Test that conversion of boolean arguments of WebGL functions follows EcmaScript 9.2. ToBoolean"); |
+debug(""); |
+debug("When an object is converted to a boolean, it should always evaluate as true. Any valueOf() method should not even get called. See Mozilla bug 727590 where Gecko incorrectly converted such an argument to a Number instead of a Boolean, giving the wrong behavior. See 9.2 and 9.3 in the EcmaScript specification."); |
+debug(""); |
+var gl = wtu.create3DContext(); |
+var program = wtu.loadStandardProgram(gl); |
+var shader = wtu.loadStandardVertexShader(gl); |
+var shouldGenerateGLError = wtu.shouldGenerateGLError; |
+ |
+assertMsg(program != null, "Program Compiled"); |
+assertMsg(shader != null, "Shader Compiled"); |
+ |
+var uloc = gl.getUniformLocation(program, "u_modelViewProjMatrix"); |
+var aloc = gl.getAttribLocation(program, "a_vertex"); |
+ |
+gl.bindBuffer(gl.ARRAY_BUFFER, gl.createBuffer()); |
+ |
+glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from initialization."); |
+assertMsg(uloc, "Uniform not found"); |
+assertMsg(aloc >= 0, "Attribute not found"); |
+ |
+var boolArg = { valueOf: function() { throw "Converting an Object to a Boolean should just give 'true' without further evaluation"; } } |
+ |
+function shouldNotThrowWithBoolArgs(code) { |
+ try { |
+ TestEval(code); |
+ } catch(e) { |
+ testFailed(code + " threw exception: " + e); |
+ return; |
+ } |
+ testPassed(code + " converted its boolean arguments correctly"); |
+} |
+ |
+shouldNotThrowWithBoolArgs( |
+ "gl.colorMask(boolArg, boolArg, boolArg, boolArg)" |
+); |
+ |
+shouldNotThrowWithBoolArgs( |
+ "gl.depthMask(boolArg)" |
+); |
+ |
+shouldNotThrowWithBoolArgs( |
+ "gl.sampleCoverage(1, boolArg)" |
+); |
+ |
+function zeroArray(length) { |
+ var a = new Array(length); |
+ for (var i = 0; i < length; i++) |
+ a[i] = 0; |
+ return a; |
+} |
+ |
+function zeroFloat32Array(length) { |
+ var a = new Float32Array(length); |
+ for (var i = 0; i < length; i++) |
+ a[i] = 0; |
+ return a; |
+} |
+ |
+shouldNotThrowWithBoolArgs( |
+ "gl.uniformMatrix2fv(uloc, boolArg, zeroFloat32Array(4))" |
+); |
+ |
+shouldNotThrowWithBoolArgs( |
+ "gl.uniformMatrix2fv(uloc, boolArg, zeroArray(4))" |
+); |
+ |
+shouldNotThrowWithBoolArgs( |
+ "gl.uniformMatrix3fv(uloc, boolArg, zeroFloat32Array(9))" |
+); |
+ |
+shouldNotThrowWithBoolArgs( |
+ "gl.uniformMatrix3fv(uloc, boolArg, zeroArray(9))" |
+); |
+ |
+shouldNotThrowWithBoolArgs( |
+ "gl.uniformMatrix4fv(uloc, boolArg, zeroFloat32Array(16))" |
+); |
+ |
+shouldNotThrowWithBoolArgs( |
+ "gl.uniformMatrix4fv(uloc, boolArg, zeroArray(16))" |
+); |
+ |
+shouldNotThrowWithBoolArgs( |
+ "gl.vertexAttribPointer(aloc, 4, gl.FLOAT, boolArg, 4, 0)" |
+); |
+ |
+var successfullyParsed = true; |
+</script> |
+ |
+<script src="../../resources/js-test-post.js"></script> |
+</body> |
+</html> |
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