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102 lines
3.5 KiB
102 lines
3.5 KiB
// Copyright 2008 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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const SMI_MAX = (1 << 30) - 1;
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const SMI_MIN = -(1 << 30);
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const ONE = 1;
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const ONE_HUNDRED = 100;
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const OBJ_42 = new (function() {
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this.valueOf = function() { return 42; };
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})();
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assertEquals(42, OBJ_42.valueOf());
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function Add1(x) {
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return x + 1;
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}
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function Add100(x) {
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return x + 100;
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}
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function Add1Reversed(x) {
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return 1 + x;
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}
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function Add100Reversed(x) {
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return 100 + x;
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}
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assertEquals(1, Add1(0)); // fast case
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assertEquals(1, Add1Reversed(0)); // fast case
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assertEquals(SMI_MAX + ONE, Add1(SMI_MAX)); // overflow
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assertEquals(SMI_MAX + ONE, Add1Reversed(SMI_MAX)); // overflow
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assertEquals(42 + ONE, Add1(OBJ_42)); // non-smi
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assertEquals(42 + ONE, Add1Reversed(OBJ_42)); // non-smi
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assertEquals(100, Add100(0)); // fast case
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assertEquals(100, Add100Reversed(0)); // fast case
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assertEquals(SMI_MAX + ONE_HUNDRED, Add100(SMI_MAX)); // overflow
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assertEquals(SMI_MAX + ONE_HUNDRED, Add100Reversed(SMI_MAX)); // overflow
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assertEquals(42 + ONE_HUNDRED, Add100(OBJ_42)); // non-smi
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assertEquals(42 + ONE_HUNDRED, Add100Reversed(OBJ_42)); // non-smi
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function Sub1(x) {
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return x - 1;
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}
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function Sub100(x) {
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return x - 100;
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}
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function Sub1Reversed(x) {
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return 1 - x;
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}
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function Sub100Reversed(x) {
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return 100 - x;
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}
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assertEquals(0, Sub1(1)); // fast case
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assertEquals(-1, Sub1Reversed(2)); // fast case
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assertEquals(SMI_MIN - ONE, Sub1(SMI_MIN)); // overflow
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assertEquals(ONE - SMI_MIN, Sub1Reversed(SMI_MIN)); // overflow
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assertEquals(42 - ONE, Sub1(OBJ_42)); // non-smi
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assertEquals(ONE - 42, Sub1Reversed(OBJ_42)); // non-smi
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assertEquals(0, Sub100(100)); // fast case
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assertEquals(1, Sub100Reversed(99)); // fast case
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assertEquals(SMI_MIN - ONE_HUNDRED, Sub100(SMI_MIN)); // overflow
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assertEquals(ONE_HUNDRED - SMI_MIN, Sub100Reversed(SMI_MIN)); // overflow
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assertEquals(42 - ONE_HUNDRED, Sub100(OBJ_42)); // non-smi
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assertEquals(ONE_HUNDRED - 42, Sub100Reversed(OBJ_42)); // non-smi
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