Migrated several tests from blink to V8 repository.

test/webkit/equality.js

+// Copyright 2013 the V8 project authors. All rights reserved.
+// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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.
+
+description(
+'Test for equality of many combinations types.'
+);
+
+var values = [ '0', '1', '0.1', '2', '3', '4', '5', '6', '7', '-0', '"0"', '"1"', '"0.1"', '"-0"', 'null', 'undefined', 'false', 'true', 'new String("0")', 'new Object' ];
+
+var exceptions = [
+    '"-0" == false',
+    '"0" == false',
+    '"0" == new String("0")',
+    '"1" == true',
+    '-0 == "-0"',
+    '-0 == "0"',
+    '-0 == false',
+    '-0 == new String("0")',
+    '0 == "-0"',
+    '0 == "0"',
+    '0 == -0',
+    '0 == false',
+    '0 == new String("0")',
+    '0 === -0',
+    '0.1 == "0.1"',
+    '1 == "1"',
+    '1 == true',
+    'new Object == new Object',
+    'new Object === new Object',
+    'new String("0") == false',
+    'new String("0") == new String("0")',
+    'new String("0") === new String("0")',
+    'null == undefined',
+];
+
+var exceptionMap = new Object;
+
+var i, j;
+
+for (i = 0; i < exceptions.length; ++i)
+    exceptionMap[exceptions[i]] = 1;
+
+for (i = 0; i < values.length; ++i) {
+    for (j = 0; j < values.length; ++j) {
+        var expression = values[i] + " == " + values[j];
+        var reversed = values[j] + " == " + values[i];
+        shouldBe(expression, ((i == j) ^ (exceptionMap[expression] || exceptionMap[reversed])) ? "true" : "false");
+    }
+}
+
+for (i = 0; i < values.length; ++i) {
+    for (j = 0; j < values.length; ++j) {
+        var expression = values[i] + " === " + values[j];
+        var reversed = values[j] + " === " + values[i];
+        shouldBe(expression, ((i == j) ^ (exceptionMap[expression] || exceptionMap[reversed])) ? "true" : "false");
+    }
+}