Add ToT WebGL conformance tests : part 10

conformance/resources/webgl-test.js

Index: conformance/resources/webgl-test.js
===================================================================
--- conformance/resources/webgl-test.js	(revision 0)
+++ conformance/resources/webgl-test.js	(working copy)
@@ -0,0 +1,106 @@
+/*
+** 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.
+*/
+
+function webglTestLog(msg) {
+  if (window.console && window.console.log) {
+    window.console.log(msg);
+  }
+  if (document.getElementById("console")) {
+    var log = document.getElementById("console");
+    log.innerHTML += msg + "<br>";
+  }
+}
+
+function getGLErrorAsString(ctx, err) {
+  if (err === ctx.NO_ERROR) {
+    return "NO_ERROR";
+  }
+  for (var name in ctx) {
+    if (ctx[name] === err) {
+      return name;
+    }
+  }
+  return "0x" + err.toString(16);
+}
+
+// Pass undefined for glError to test that it at least throws some error
+function shouldGenerateGLError(ctx, glErrors, evalStr) {
+  if (!glErrors.length) {
+    glErrors = [glErrors];
+  }
+  var exception;
+  try {
+    eval(evalStr);
+  } catch (e) {
+    exception = e;
+  }
+  if (exception) {
+    testFailed(evalStr + " threw exception " + exception);
+  } else {
+    var err = ctx.getError();
+    var errStrs = [];
+    for (var ii = 0; ii < glErrors.length; ++ii) {
+      errStrs.push(getGLErrorAsString(ctx, glErrors[ii]));
+    }
+    var expected = errStrs.join(" or ");
+    if (glErrors.indexOf(err) < 0) {
+      testFailed(evalStr + " expected: " + expected + ". Was " + getGLErrorAsString(ctx, err) + ".");
+    } else {
+      var msg = (glErrors.length == 1) ? " generated expected GL error: " :
+                                         " generated one of expected GL errors: ";
+      testPassed(evalStr + msg + expected + ".");
+    }
+  }
+}
+
+/**
+ * Tests that the first error GL returns is the specified error.
+ * @param {!WebGLContext} gl The WebGLContext to use.
+ * @param {number|!Array.<number>} glError The expected gl
+ *        error. Multiple errors can be passed in using an
+ *        array.
+ * @param {string} opt_msg Optional additional message.
+ */
+function glErrorShouldBe(gl, glErrors, opt_msg) {
+  if (!glErrors.length) {
+    glErrors = [glErrors];
+  }
+  opt_msg = opt_msg || "";
+  var err = gl.getError();
+  var ndx = glErrors.indexOf(err);
+  var errStrs = [];
+  for (var ii = 0; ii < glErrors.length; ++ii) {
+    errStrs.push(getGLErrorAsString(gl, glErrors[ii]));
+  }
+  var expected = errStrs.join(" or ");
+  if (ndx < 0) {
+    var msg = "getError expected" + ((glErrors.length > 1) ? " one of: " : ": ");
+    testFailed(msg + expected +  ". Was " + getGLErrorAsString(gl, err) + " : " + opt_msg);
+  } else {
+    var msg = "getError was " + ((glErrors.length > 1) ? "one of: " : "expected value: ");
+    testPassed(msg + expected + " : " + opt_msg);
+  }
+};
+
+
+
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