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