| <!-- |
| 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"> |
| <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> |
| <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 like 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. |
| |
| wtu.glErrorShouldBe(context, context.NO_ERROR); |
| |
| debug("Testing getActiveAttrib"); |
| shouldThrow("context.getActiveAttrib(null, 2)"); |
| wtu.glErrorShouldBe(context, context.NO_ERROR); |
| // Error state should be clear by this point |
| wtu.glErrorShouldBe(context, context.NO_ERROR); |
| // Real OpenGL error |
| shouldBeNull("context.getActiveAttrib(program, 2)"); |
| wtu.glErrorShouldBe(context, context.INVALID_VALUE); |
| // Error state should be clear by this point |
| wtu.glErrorShouldBe(context, context.NO_ERROR); |
| |
| debug("Testing getActiveUniform"); |
| shouldThrow("context.getActiveUniform(null, 0)"); |
| wtu.glErrorShouldBe(context, context.NO_ERROR); |
| // Error state should be clear by this point |
| wtu.glErrorShouldBe(context, context.NO_ERROR); |
| // Real OpenGL error |
| shouldBeNull("context.getActiveUniform(program, 50)"); |
| wtu.glErrorShouldBe(context, context.INVALID_VALUE); |
| // Error state should be clear by this point |
| wtu.glErrorShouldBe(context, context.NO_ERROR); |
| |
| debug("Testing attempts to manipulate the default framebuffer"); |
| shouldBeUndefined("context.bindFramebuffer(context.FRAMEBUFFER, null)"); |
| wtu.glErrorShouldBe(context, context.NO_ERROR); |
| shouldBeUndefined("context.framebufferRenderbuffer(context.FRAMEBUFFER, context.DEPTH_ATTACHMENT, context.RENDERBUFFER, null)"); |
| // Synthetic OpenGL error |
| wtu.glErrorShouldBe(context, context.INVALID_OPERATION); |
| // Error state should be clear by this point |
| wtu.glErrorShouldBe(context, context.NO_ERROR); |
| shouldBeUndefined("context.framebufferTexture2D(context.FRAMEBUFFER, context.COLOR_ATTACHMENT0, context.TEXTURE_2D, null, 0)"); |
| // Synthetic OpenGL error |
| wtu.glErrorShouldBe(context, context.INVALID_OPERATION); |
| // Error state should be clear by this point |
| wtu.glErrorShouldBe(context, context.NO_ERROR); |
| |
| var successfullyParsed = true; |
| </script> |
| |
| <script src="../../js/js-test-post.js"></script> |
| </body> |
| </html> |
