JezK
Edit File: samevalue.js
// Copyright 2010 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * 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. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT // OWNER 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. // Flags: --expose-natives_as natives // Test the SameValue internal method. var obj1 = {x: 10, y: 11, z: "test"}; var obj2 = {x: 10, y: 11, z: "test"}; assertTrue(natives.SameValue(0, 0)); assertTrue(natives.SameValue(+0, +0)); assertTrue(natives.SameValue(-0, -0)); assertTrue(natives.SameValue(1, 1)); assertTrue(natives.SameValue(2, 2)); assertTrue(natives.SameValue(-1, -1)); assertTrue(natives.SameValue(0.5, 0.5)); assertTrue(natives.SameValue(true, true)); assertTrue(natives.SameValue(false, false)); assertTrue(natives.SameValue(NaN, NaN)); assertTrue(natives.SameValue(null, null)); assertTrue(natives.SameValue("foo", "foo")); assertTrue(natives.SameValue(obj1, obj1)); // Undefined values. assertTrue(natives.SameValue()); assertTrue(natives.SameValue(undefined, undefined)); assertFalse(natives.SameValue(0,1)); assertFalse(natives.SameValue("foo", "bar")); assertFalse(natives.SameValue(obj1, obj2)); assertFalse(natives.SameValue(true, false)); assertFalse(natives.SameValue(obj1, true)); assertFalse(natives.SameValue(obj1, "foo")); assertFalse(natives.SameValue(obj1, 1)); assertFalse(natives.SameValue(obj1, undefined)); assertFalse(natives.SameValue(obj1, NaN)); assertFalse(natives.SameValue(undefined, true)); assertFalse(natives.SameValue(undefined, "foo")); assertFalse(natives.SameValue(undefined, 1)); assertFalse(natives.SameValue(undefined, obj1)); assertFalse(natives.SameValue(undefined, NaN)); assertFalse(natives.SameValue(NaN, true)); assertFalse(natives.SameValue(NaN, "foo")); assertFalse(natives.SameValue(NaN, 1)); assertFalse(natives.SameValue(NaN, obj1)); assertFalse(natives.SameValue(NaN, undefined)); assertFalse(natives.SameValue("foo", true)); assertFalse(natives.SameValue("foo", 1)); assertFalse(natives.SameValue("foo", obj1)); assertFalse(natives.SameValue("foo", undefined)); assertFalse(natives.SameValue("foo", NaN)); assertFalse(natives.SameValue(true, 1)); assertFalse(natives.SameValue(true, obj1)); assertFalse(natives.SameValue(true, undefined)); assertFalse(natives.SameValue(true, NaN)); assertFalse(natives.SameValue(true, "foo")); assertFalse(natives.SameValue(1, true)); assertFalse(natives.SameValue(1, obj1)); assertFalse(natives.SameValue(1, undefined)); assertFalse(natives.SameValue(1, NaN)); assertFalse(natives.SameValue(1, "foo")); // Special string cases. assertFalse(natives.SameValue("1", 1)); assertFalse(natives.SameValue("true", true)); assertFalse(natives.SameValue("false", false)); assertFalse(natives.SameValue("undefined", undefined)); assertFalse(natives.SameValue("NaN", NaN)); // -0 and +0 are should be different assertFalse(natives.SameValue(+0, -0)); assertFalse(natives.SameValue(-0, +0));