Add ToT WebGL conformance tests : part 8

conformance/more/conformance/argGenerators-C.js

Index: conformance/more/conformance/argGenerators-C.js
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--- conformance/more/conformance/argGenerators-C.js	(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.
+*/
+
+// ArgGenerators contains argument generators for WebGL functions.
+// The argument generators are used for running random tests against the WebGL
+// functions.
+//
+// ArgGenerators is an object consisting of functionName : argGen -properties.
+//
+// functionName is a WebGL context function name and the argGen is an argument
+// generator object that encapsulates the requirements to run
+// randomly generated tests on the WebGL function.
+//
+// An argGen object has the following methods:
+//   - setup    -- set up state for testing the GL function, returns values
+//                 that need cleanup in teardown. Run once before entering a
+//                 test loop.
+//   - teardown -- do cleanup on setup's return values after testing is complete
+//   - generate -- generate a valid set of random arguments for the GL function
+//   - returnValueCleanup -- do cleanup on value returned by the tested GL function
+//   - cleanup  -- do cleanup on generated arguments from generate
+//   - checkArgValidity -- check if passed args are valid. Has a call signature
+//                         that matches generate's return value. Returns true
+//                         if args are valid, false if not.
+//
+//   Example test loop that demonstrates how the function args and return
+//   values flow together:
+//
+//   var setupArgs = argGen.setup();
+//   for (var i=0; i<numberOfTests; i++) {
+//     var generatedArgs = argGen.generate.apply(argGen, setupArgs);
+//     var validArgs = argGen.checkArgValidity.apply(argGen, generatedArgs);
+//     var rv = call the GL function with generatedArgs;
+//     argGen.returnValueCleanup(rv);
+//     argGen.cleanup.apply(argGen, generatedArgs);
+//   }
+//   argGen.teardown.apply(argGen, setupArgs);
+//
+ArgGenerators = {
+
+// GL functions in alphabetical order
+
+// C
+
+  checkFramebufferStatus : {
+    generate : function() {
+      return [Math.random() > 0.5 ? null : GL.createFramebuffer()];
+    },
+    checkArgValidity : function(fbo) {
+      if (fbo != null)
+        GL.bindFramebuffer(GL.FRAMEBUFFER, fbo);
+      return fbo == null || GL.isFramebuffer(fbo);
+    },
+    cleanup : function(fbo){
+      GL.bindFramebuffer(GL.FRAMEBUFFER, null);
+      if (fbo != null)
+        try{ GL.deleteFramebuffer(fbo); } catch(e) {}
+    }
+  },
+  clear : {
+    generate : function() { return [clearMask.random()]; },
+    checkArgValidity : function(mask) { return clearMask.has(mask); }
+  },
+  clearColor : {
+    generate : function() { return randomColor(); },
+    teardown : function() { GL.clearColor(0,0,0,0); }
+  },
+  clearDepth : {
+    generate : function() { return [Math.random()]; },
+    teardown : function() { GL.clearDepth(1); }
+  },
+  clearStencil : {
+    generate : function() { return [randomStencil()]; },
+    teardown : function() { GL.clearStencil(0); }
+  },
+  colorMask : {
+    generate : function() {
+      return [randomBool(), randomBool(), randomBool(), randomBool()];
+    },
+    teardown : function() { GL.colorMask(true, true, true, true); }
+  },
+  compileShader : {}, // FIXME
+  copyTexImage2D : {}, // FIXME
+  copyTexSubImage2D : {}, // FIXME
+  createBuffer : {
+    generate : function() { return []; },
+    returnValueCleanup : function(o) { GL.deleteBuffer(o); }
+  },
+  createFramebuffer : {
+    generate : function() { return []; },
+    returnValueCleanup : function(o) { GL.deleteFramebuffer(o); }
+  },
+  createProgram : {
+    generate : function() { return []; },
+    returnValueCleanup : function(o) { GL.deleteProgram(o); }
+  },
+  createRenderbuffer : {
+    generate : function() { return []; },
+    returnValueCleanup : function(o) { GL.deleteRenderbuffer(o); }
+  },
+  createShader : {
+    generate : function() { return [shaderType.random()]; },
+    checkArgValidity : function(t) { return shaderType.has(t); },
+    returnValueCleanup : function(o) { GL.deleteShader(o); }
+  },
+  createTexture : {
+    generate : function() { return []; },
+    returnValueCleanup : function(o) { GL.deleteTexture(o); }
+  },
+  cullFace : {
+    generate : function() { return [cullFace.random()]; },
+    checkArgValidity : function(f) { return cullFace.has(f); },
+    teardown : function() { GL.cullFace(GL.BACK); }
+  }
+
+};
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