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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> |
+</head> |
+<body> |
+<div id="description"></div> |
+<div id="console"></div> |
+ |
+<script> |
+"use strict"; |
+description("Tests generation of synthetic and real GL errors"); |
+ |
+var wtu = WebGLTestUtils; |
+var context = wtu.create3DContext(); |
+var program = wtu.loadStandardProgram(context); |
+ |
+// Other tests in this directory like getActiveTest and |
+// incorrect-context-object-behaviour already test the raising of many |
+// synthetic GL errors. This test verifies the raising of certain |
+// known real GL errors, and contains a few regression tests for bugs |
+// discovered in the synthetic error generation and in the WebGL |
+// implementation itself. |
+ |
+glErrorShouldBe(context, context.NO_ERROR); |
+ |
+debug("Testing getActiveAttrib"); |
+// Synthetic OpenGL error |
+shouldBeNull("context.getActiveAttrib(null, 2)"); |
+glErrorShouldBe(context, context.INVALID_VALUE); |
+// Error state should be clear by this point |
+glErrorShouldBe(context, context.NO_ERROR); |
+// Real OpenGL error |
+shouldBeNull("context.getActiveAttrib(program, 2)"); |
+glErrorShouldBe(context, context.INVALID_VALUE); |
+// Error state should be clear by this point |
+glErrorShouldBe(context, context.NO_ERROR); |
+ |
+debug("Testing getActiveUniform"); |
+// Synthetic OpenGL error |
+shouldBeNull("context.getActiveUniform(null, 0)"); |
+glErrorShouldBe(context, context.INVALID_VALUE); |
+// Error state should be clear by this point |
+glErrorShouldBe(context, context.NO_ERROR); |
+// Real OpenGL error |
+shouldBeNull("context.getActiveUniform(program, 50)"); |
+glErrorShouldBe(context, context.INVALID_VALUE); |
+// Error state should be clear by this point |
+glErrorShouldBe(context, context.NO_ERROR); |
+ |
+debug("Testing attempts to manipulate the default framebuffer"); |
+shouldBeUndefined("context.bindFramebuffer(context.FRAMEBUFFER, null)"); |
+glErrorShouldBe(context, context.NO_ERROR); |
+shouldBeUndefined("context.framebufferRenderbuffer(context.FRAMEBUFFER, context.DEPTH_ATTACHMENT, context.RENDERBUFFER, null)"); |
+// Synthetic OpenGL error |
+glErrorShouldBe(context, context.INVALID_OPERATION); |
+// Error state should be clear by this point |
+glErrorShouldBe(context, context.NO_ERROR); |
+shouldBeUndefined("context.framebufferTexture2D(context.FRAMEBUFFER, context.COLOR_ATTACHMENT0, context.TEXTURE_2D, null, 0)"); |
+// Synthetic OpenGL error |
+glErrorShouldBe(context, context.INVALID_OPERATION); |
+// Error state should be clear by this point |
+glErrorShouldBe(context, context.NO_ERROR); |
+ |
+var successfullyParsed = true; |
+</script> |
+ |
+<script src="../../resources/js-test-post.js"></script> |
+</body> |
+</html> |
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