Check in webgl conformance tests r16844 from khronos.

third_party/webgl/sdk/tests/resources/js-test-pre.js

+/*
+Copyright (C) 2009 Apple Computer, Inc.  All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+// WebKit Specfic code.  Add your own here.
+function initNonKhronosFramework(waitUntilDone) {
+  if (window.layoutTestController) {
+    layoutTestController.overridePreference("WebKitWebGLEnabled", "1");
+    layoutTestController.dumpAsText();
+    if (waitUntilDone) {
+      layoutTestController.waitUntilDone();
+    }
+  }
+}
+
+function nonKhronosFrameworkNotifyDone() {
+  if (window.layoutTestController) {
+    layoutTestController.notifyDone();
+  }
+}
+
+function reportTestResultsToHarness(success, msg) {
+  if (window.parent.webglTestHarness) {
+    window.parent.webglTestHarness.reportResults(success, msg);
+  }
+}
+
+function notifyFinishedToHarness() {
+  if (window.parent.webglTestHarness) {
+    window.parent.webglTestHarness.notifyFinished();
+  }
+}
+
+function description(msg)
+{
+    // For MSIE 6 compatibility
+    var span = document.createElement("span");
+    span.innerHTML = '<p>' + msg + '</p><p>On success, you will see a series of "<span class="pass">PASS</span>" messages, followed by "<span class="pass">TEST COMPLETE</span>".</p>';
+    var description = document.getElementById("description");
+    if (description.firstChild)
+        description.replaceChild(span, description.firstChild);
+    else
+        description.appendChild(span);
+}
+
+function debug(msg)
+{
+    var span = document.createElement("span");
+    document.getElementById("console").appendChild(span); // insert it first so XHTML knows the namespace
+    span.innerHTML = msg + '<br />';
+}
+
+function escapeHTML(text)
+{
+    return text.replace(/&/g, "&amp;").replace(/</g, "&lt;");
+}
+
+function testPassed(msg)
+{
+    reportTestResultsToHarness(true, msg);
+    debug('<span><span class="pass">PASS</span> ' + escapeHTML(msg) + '</span>');
+}
+
+function testFailed(msg)
+{
+    reportTestResultsToHarness(false, msg);
+    debug('<span><span class="fail">FAIL</span> ' + escapeHTML(msg) + '</span>');
+}
+
+function areArraysEqual(_a, _b)
+{
+    try {
+        if (_a.length !== _b.length)
+            return false;
+        for (var i = 0; i < _a.length; i++)
+            if (_a[i] !== _b[i])
+                return false;
+    } catch (ex) {
+        return false;
+    }
+    return true;
+}
+
+function isMinusZero(n)
+{
+    // the only way to tell 0 from -0 in JS is the fact that 1/-0 is
+    // -Infinity instead of Infinity
+    return n === 0 && 1/n < 0;
+}
+
+function isResultCorrect(_actual, _expected)
+{
+    if (_expected === 0)
+        return _actual === _expected && (1/_actual) === (1/_expected);
+    if (_actual === _expected)
+        return true;
+    if (typeof(_expected) == "number" && isNaN(_expected))
+        return typeof(_actual) == "number" && isNaN(_actual);
+    if (Object.prototype.toString.call(_expected) == Object.prototype.toString.call([]))
+        return areArraysEqual(_actual, _expected);
+    return false;
+}
+
+function stringify(v)
+{
+    if (v === 0 && 1/v < 0)
+        return "-0";
+    else return "" + v;
+}
+
+function evalAndLog(_a)
+{
+  if (typeof _a != "string")
+    debug("WARN: tryAndLog() expects a string argument");
+
+  // Log first in case things go horribly wrong or this causes a sync event.
+  debug(_a);
+
+  var _av;
+  try {
+     _av = eval(_a);
+  } catch (e) {
+    testFailed(_a + " threw exception " + e);
+  }
+  return _av;
+}
+
+function shouldBe(_a, _b, quiet)
+{
+    if (typeof _a != "string" || typeof _b != "string")
+        debug("WARN: shouldBe() expects string arguments");
+    var exception;
+    var _av;
+    try {
+        _av = eval(_a);
+    } catch (e) {
+        exception = e;
+    }
+    var _bv = eval(_b);
+
+    if (exception)
+        testFailed(_a + " should be " + _bv + ". Threw exception " + exception);
+    else if (isResultCorrect(_av, _bv)) {
+        if (!quiet) {
+            testPassed(_a + " is " + _b);
+        }
+    } else if (typeof(_av) == typeof(_bv))
+        testFailed(_a + " should be " + _bv + ". Was " + stringify(_av) + ".");
+    else
+        testFailed(_a + " should be " + _bv + " (of type " + typeof _bv + "). Was " + _av + " (of type " + typeof _av + ").");
+}
+
+function shouldNotBe(_a, _b, quiet)
+{
+    if (typeof _a != "string" || typeof _b != "string")
+        debug("WARN: shouldNotBe() expects string arguments");
+    var exception;
+    var _av;
+    try {
+        _av = eval(_a);
+    } catch (e) {
+        exception = e;
+    }
+    var _bv = eval(_b);
+
+    if (exception)
+        testFailed(_a + " should not be " + _bv + ". Threw exception " + exception);
+    else if (!isResultCorrect(_av, _bv)) {
+        if (!quiet) {
+            testPassed(_a + " is not " + _b);
+        }
+    } else
+        testFailed(_a + " should not be " + _bv + ".");
+}
+
+function shouldBeTrue(_a) { shouldBe(_a, "true"); }
+function shouldBeFalse(_a) { shouldBe(_a, "false"); }
+function shouldBeNaN(_a) { shouldBe(_a, "NaN"); }
+function shouldBeNull(_a) { shouldBe(_a, "null"); }
+
+function shouldBeEqualToString(a, b)
+{
+  var unevaledString = '"' + b.replace(/"/g, "\"") + '"';
+  shouldBe(a, unevaledString);
+}
+
+function shouldEvaluateTo(actual, expected) {
+  // A general-purpose comparator.  'actual' should be a string to be
+  // evaluated, as for shouldBe(). 'expected' may be any type and will be
+  // used without being eval'ed.
+  if (expected == null) {
+    // Do this before the object test, since null is of type 'object'.
+    shouldBeNull(actual);
+  } else if (typeof expected == "undefined") {
+    shouldBeUndefined(actual);
+  } else if (typeof expected == "function") {
+    // All this fuss is to avoid the string-arg warning from shouldBe().
+    try {
+      actualValue = eval(actual);
+    } catch (e) {
+      testFailed("Evaluating " + actual + ": Threw exception " + e);
+      return;
+    }
+    shouldBe("'" + actualValue.toString().replace(/\n/g, "") + "'",
+             "'" + expected.toString().replace(/\n/g, "") + "'");
+  } else if (typeof expected == "object") {
+    shouldBeTrue(actual + " == '" + expected + "'");
+  } else if (typeof expected == "string") {
+    shouldBe(actual, expected);
+  } else if (typeof expected == "boolean") {
+    shouldBe("typeof " + actual, "'boolean'");
+    if (expected)
+      shouldBeTrue(actual);
+    else
+      shouldBeFalse(actual);
+  } else if (typeof expected == "number") {
+    shouldBe(actual, stringify(expected));
+  } else {
+    debug(expected + " is unknown type " + typeof expected);
+    shouldBeTrue(actual, "'"  +expected.toString() + "'");
+  }
+}
+
+function shouldBeNonZero(_a)
+{
+  var exception;
+  var _av;
+  try {
+     _av = eval(_a);
+  } catch (e) {
+     exception = e;
+  }
+
+  if (exception)
+    testFailed(_a + " should be non-zero. Threw exception " + exception);
+  else if (_av != 0)
+    testPassed(_a + " is non-zero.");
+  else
+    testFailed(_a + " should be non-zero. Was " + _av);
+}
+
+function shouldBeNonNull(_a)
+{
+  var exception;
+  var _av;
+  try {
+     _av = eval(_a);
+  } catch (e) {
+     exception = e;
+  }
+
+  if (exception)
+    testFailed(_a + " should be non-null. Threw exception " + exception);
+  else if (_av != null)
+    testPassed(_a + " is non-null.");
+  else
+    testFailed(_a + " should be non-null. Was " + _av);
+}
+
+function shouldBeUndefined(_a)
+{
+  var exception;
+  var _av;
+  try {
+     _av = eval(_a);
+  } catch (e) {
+     exception = e;
+  }
+
+  if (exception)
+    testFailed(_a + " should be undefined. Threw exception " + exception);
+  else if (typeof _av == "undefined")
+    testPassed(_a + " is undefined.");
+  else
+    testFailed(_a + " should be undefined. Was " + _av);
+}
+
+function shouldBeDefined(_a)
+{
+  var exception;
+  var _av;
+  try {
+     _av = eval(_a);
+  } catch (e) {
+     exception = e;
+  }
+
+  if (exception)
+    testFailed(_a + " should be defined. Threw exception " + exception);
+  else if (_av !== undefined)
+    testPassed(_a + " is defined.");
+  else
+    testFailed(_a + " should be defined. Was " + _av);
+}
+
+function shouldBeGreaterThanOrEqual(_a, _b) {
+    if (typeof _a != "string" || typeof _b != "string")
+        debug("WARN: shouldBeGreaterThanOrEqual expects string arguments");
+
+    var exception;
+    var _av;
+    try {
+        _av = eval(_a);
+    } catch (e) {
+        exception = e;
+    }
+    var _bv = eval(_b);
+
+    if (exception)
+        testFailed(_a + " should be >= " + _b + ". Threw exception " + exception);
+    else if (typeof _av == "undefined" || _av < _bv)
+        testFailed(_a + " should be >= " + _b + ". Was " + _av + " (of type " + typeof _av + ").");
+    else
+        testPassed(_a + " is >= " + _b);
+}
+
+function shouldThrow(_a, _e)
+{
+  var exception;
+  var _av;
+  try {
+     _av = eval(_a);
+  } catch (e) {
+     exception = e;
+  }
+
+  var _ev;
+  if (_e)
+      _ev =  eval(_e);
+
+  if (exception) {
+    if (typeof _e == "undefined" || exception == _ev)
+      testPassed(_a + " threw exception " + exception + ".");
+    else
+      testFailed(_a + " should throw " + (typeof _e == "undefined" ? "an exception" : _ev) + ". Threw exception " + exception + ".");
+  } else if (typeof _av == "undefined")
+    testFailed(_a + " should throw " + (typeof _e == "undefined" ? "an exception" : _ev) + ". Was undefined.");
+  else
+    testFailed(_a + " should throw " + (typeof _e == "undefined" ? "an exception" : _ev) + ". Was " + _av + ".");
+}
+
+function assertMsg(assertion, msg) {
+    if (assertion) {
+        testPassed(msg);
+    } else {
+        testFailed(msg);
+    }
+}
+
+function gc() {
+    if (typeof GCController !== "undefined")
+        GCController.collect();
+    else {
+        function gcRec(n) {
+            if (n < 1)
+                return {};
+            var temp = {i: "ab" + i + (i / 100000)};
+            temp += "foo";
+            gcRec(n-1);
+        }
+        for (var i = 0; i < 1000; i++)
+            gcRec(10)
+    }
+}
+
+function finishTest() {
+  successfullyParsed = true;
+  var epilogue = document.createElement("script");
+  epilogue.onload = function() {
+    if (window.nonKhronosFrameworkNotifyDone) {
+      window.nonKhronosFrameworkNotifyDone();
+    }
+  };
+
+  var basePath = "";
+  var expectedBase = "js-test-pre.js";
+  var scripts = document.getElementsByTagName('script');
+  for (var script, i = 0; script = scripts[i]; i++) {
+    var src = script.src;
+    var l = src.length;
+    if (src.substr(l - expectedBase.length) == expectedBase) {
+      basePath = src.substr(0, l - expectedBase.length);
+      break;
+    }
+  }
+  epilogue.src = basePath + "js-test-post.js";
+  document.body.appendChild(epilogue);
+}
+