--- /dev/null
+// Copyright 2010 the V8 project authors. All rights reserved.\r
+// Redistribution and use in source and binary forms, with or without\r
+// modification, are permitted provided that the following conditions are\r
+// met:\r
+//\r
+// * Redistributions of source code must retain the above copyright\r
+// notice, this list of conditions and the following disclaimer.\r
+// * Redistributions in binary form must reproduce the above\r
+// copyright notice, this list of conditions and the following\r
+// disclaimer in the documentation and/or other materials provided\r
+// with the distribution.\r
+// * Neither the name of Google Inc. nor the names of its\r
+// contributors may be used to endorse or promote products derived\r
+// from this software without specific prior written permission.\r
+//\r
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\r
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\r
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\r
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\r
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\r
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
+\r
+\r
+// Flags: --expose-natives_as natives\r
+// Test the SameValue internal method.\r
+\r
+var obj1 = {x: 10, y: 11, z: "test"};\r
+var obj2 = {x: 10, y: 11, z: "test"};\r
+\r
+assertTrue(natives.SameValue(0, 0));\r
+assertTrue(natives.SameValue(+0, +0));\r
+assertTrue(natives.SameValue(-0, -0));\r
+assertTrue(natives.SameValue(1, 1));\r
+assertTrue(natives.SameValue(2, 2));\r
+assertTrue(natives.SameValue(-1, -1));\r
+assertTrue(natives.SameValue(0.5, 0.5));\r
+assertTrue(natives.SameValue(true, true));\r
+assertTrue(natives.SameValue(false, false));\r
+assertTrue(natives.SameValue(NaN, NaN));\r
+assertTrue(natives.SameValue(null, null));\r
+assertTrue(natives.SameValue("foo", "foo"));\r
+assertTrue(natives.SameValue(obj1, obj1));\r
+// Undefined values.\r
+assertTrue(natives.SameValue());\r
+assertTrue(natives.SameValue(undefined, undefined));\r
+\r
+assertFalse(natives.SameValue(0,1));\r
+assertFalse(natives.SameValue("foo", "bar"));\r
+assertFalse(natives.SameValue(obj1, obj2));\r
+assertFalse(natives.SameValue(true, false));\r
+\r
+assertFalse(natives.SameValue(obj1, true));\r
+assertFalse(natives.SameValue(obj1, "foo"));\r
+assertFalse(natives.SameValue(obj1, 1));\r
+assertFalse(natives.SameValue(obj1, undefined));\r
+assertFalse(natives.SameValue(obj1, NaN));\r
+\r
+assertFalse(natives.SameValue(undefined, true));\r
+assertFalse(natives.SameValue(undefined, "foo"));\r
+assertFalse(natives.SameValue(undefined, 1));\r
+assertFalse(natives.SameValue(undefined, obj1));\r
+assertFalse(natives.SameValue(undefined, NaN));\r
+\r
+assertFalse(natives.SameValue(NaN, true));\r
+assertFalse(natives.SameValue(NaN, "foo"));\r
+assertFalse(natives.SameValue(NaN, 1));\r
+assertFalse(natives.SameValue(NaN, obj1));\r
+assertFalse(natives.SameValue(NaN, undefined));\r
+\r
+assertFalse(natives.SameValue("foo", true));\r
+assertFalse(natives.SameValue("foo", 1));\r
+assertFalse(natives.SameValue("foo", obj1));\r
+assertFalse(natives.SameValue("foo", undefined));\r
+assertFalse(natives.SameValue("foo", NaN));\r
+\r
+assertFalse(natives.SameValue(true, 1));\r
+assertFalse(natives.SameValue(true, obj1));\r
+assertFalse(natives.SameValue(true, undefined));\r
+assertFalse(natives.SameValue(true, NaN));\r
+assertFalse(natives.SameValue(true, "foo"));\r
+\r
+assertFalse(natives.SameValue(1, true));\r
+assertFalse(natives.SameValue(1, obj1));\r
+assertFalse(natives.SameValue(1, undefined));\r
+assertFalse(natives.SameValue(1, NaN));\r
+assertFalse(natives.SameValue(1, "foo"));\r
+\r
+// Special string cases.\r
+assertFalse(natives.SameValue("1", 1));\r
+assertFalse(natives.SameValue("true", true));\r
+assertFalse(natives.SameValue("false", false));\r
+assertFalse(natives.SameValue("undefined", undefined));\r
+assertFalse(natives.SameValue("NaN", NaN));\r
+\r
+// -0 and +0 are should be different\r
+assertFalse(natives.SameValue(+0, -0));\r
+assertFalse(natives.SameValue(-0, +0));\r