Add ToT WebGL conformance tests : part 8

conformance/more/conformance/argGenerators-B2.js

Index: conformance/more/conformance/argGenerators-B2.js
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--- conformance/more/conformance/argGenerators-B2.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
+
+// B-2
+
+  bindBuffer : {
+    generate : function(buf) {
+      return [bufferTarget.random(), GL.createBuffer()];
+    },
+    checkArgValidity : function(target, buf) {
+      if (!bufferTarget.has(target))
+        return false;
+      GL.bindBuffer(target, buf);
+      return GL.isBuffer(buf);
+    },
+    cleanup : function(t, buf, m) {
+      GL.deleteBuffer(buf);
+    }
+  },
+  bindFramebuffer : {
+    generate : function() {
+      return [GL.FRAMEBUFFER, Math.random() > 0.5 ? null : GL.createFramebuffer()];
+    },
+    checkArgValidity : function(target, fbo) {
+      if (target != GL.FRAMEBUFFER)
+        return false;
+      if (fbo != null)
+          GL.bindFramebuffer(target, fbo);
+      return (fbo == null || GL.isFramebuffer(fbo));
+    },
+    cleanup : function(target, fbo) {
+      GL.bindFramebuffer(target, null);
+      if (fbo)
+        GL.deleteFramebuffer(fbo);
+    }
+  },
+  bindRenderbuffer : {
+    generate : function() {
+      return [GL.RENDERBUFFER, Math.random() > 0.5 ? null : GL.createRenderbuffer()];
+    },
+    checkArgValidity : function(target, rbo) {
+      if (target != GL.RENDERBUFFER)
+        return false;
+      if (rbo != null)
+        GL.bindRenderbuffer(target, rbo);
+      return (rbo == null || GL.isRenderbuffer(rbo));
+    },
+    cleanup : function(target, rbo) {
+      GL.bindRenderbuffer(target, null);
+      if (rbo)
+        GL.deleteRenderbuffer(rbo);
+    }
+  },
+  bindTexture : {
+    generate : function() {
+      return [bindTextureTarget.random(), Math.random() > 0.5 ? null : GL.createTexture()];
+    },
+    checkArgValidity : function(target, o) {
+      if (!bindTextureTarget.has(target))
+        return false;
+      if (o != null)
+        GL.bindTexture(target, o);
+      return (o == null || GL.isTexture(o));
+    },
+    cleanup : function(target, o) {
+      GL.bindTexture(target, null);
+      if (o)
+        GL.deleteTexture(o);
+    }
+  },
+  blendColor : {
+    generate : function() { return randomColor(); },
+    teardown : function() { GL.blendColor(0,0,0,0); }
+  },
+  blendEquation : {
+    generate : function() { return [blendEquationMode.random()]; },
+    checkArgValidity : function(o) { return blendEquationMode.has(o); },
+    teardown : function() { GL.blendEquation(GL.FUNC_ADD); }
+  },
+  blendEquationSeparate : {
+    generate : function() {
+      return [blendEquationMode.random(), blendEquationMode.random()];
+    },
+    checkArgValidity : function(o,p) {
+      return blendEquationMode.has(o) && blendEquationMode.has(p);
+    },
+    teardown : function() { GL.blendEquationSeparate(GL.FUNC_ADD, GL.FUNC_ADD); }
+  },
+  blendFunc : {
+    generate : function() {
+      return [blendFuncSfactor.random(), blendFuncDfactor.random()];
+    },
+    checkArgValidity : function(s,d) {
+      return blendFuncSfactor.has(s) && blendFuncDfactor.has(d);
+    },
+    teardown : function() { GL.blendFunc(GL.ONE, GL.ZERO); }
+  },
+  blendFuncSeparate : {
+    generate : function() {
+      return [blendFuncSfactor.random(), blendFuncDfactor.random(),
+              blendFuncSfactor.random(), blendFuncDfactor.random()];
+    },
+    checkArgValidity : function(s,d,as,ad) {
+      return blendFuncSfactor.has(s) && blendFuncDfactor.has(d) &&
+              blendFuncSfactor.has(as) && blendFuncDfactor.has(ad) ;
+    },
+    teardown : function() {
+      GL.blendFuncSeparate(GL.ONE, GL.ZERO, GL.ONE, GL.ZERO);
+    }
+  }
+
+};
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