df9665032e
R=jkummerow@chromium.org BUG= Review URL: https://codereview.chromium.org/63423004 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17639 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
94 lines
2.9 KiB
JavaScript
94 lines
2.9 KiB
JavaScript
// Copyright 2013 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: --allow-natives-syntax --no-fold-constants
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function add(x, y) {
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return x + y;
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}
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assertEquals(0, add(0, 0));
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assertEquals(0, add(0, 0));
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%OptimizeFunctionOnNextCall(add);
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assertEquals(-0, add(-0, -0));
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function test(x, y) {
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assertTrue(%_IsMinusZero(-0));
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assertTrue(%_IsMinusZero(1/(-Infinity)));
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assertTrue(%_IsMinusZero(x));
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assertFalse(%_IsMinusZero(0));
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assertFalse(%_IsMinusZero(1/Infinity));
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assertFalse(%_IsMinusZero(0.1));
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assertFalse(%_IsMinusZero(-0.2));
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assertFalse(%_IsMinusZero({}));
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assertFalse(%_IsMinusZero(""));
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assertFalse(%_IsMinusZero("-0"));
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assertFalse(%_IsMinusZero(function() {}));
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assertFalse(%_IsMinusZero(y));
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}
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test(-0, 1.2);
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test(-0, 1.2);
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%OptimizeFunctionOnNextCall(test);
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test(-0, 1.2);
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assertOptimized(test);
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function testsin() {
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assertTrue(%_IsMinusZero(Math.sin(-0)));
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}
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testsin();
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testsin();
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%OptimizeFunctionOnNextCall(testsin);
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testsin();
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function testfloor() {
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assertTrue(%_IsMinusZero(Math.floor(-0)));
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assertFalse(%_IsMinusZero(Math.floor(2)));
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}
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testfloor();
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testfloor();
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%OptimizeFunctionOnNextCall(testfloor);
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testfloor();
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var double_one = Math.cos(0);
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function add(a, b) {
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return a + b;
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}
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assertEquals(1, 1/add(double_one, 0));
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assertEquals(1, 1/add(0, double_one));
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%OptimizeFunctionOnNextCall(add);
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assertEquals(1/(-0 + -0), 1/add(-0, -0));
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