d46fb9d454
This one has been approved by the 64 bit compiler in MSVC 2005 so I hope it also passes the 2008 version. The --max-new-space-size option is now in kBytes. The --max-old-space-size option is now in MBytes. Some issues remain with 64 bit heaps and the counters. See http://code.google.com/p/v8/issues/detail?id=887 Review URL: http://codereview.chromium.org/3573005 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5559 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
119 lines
4.8 KiB
JavaScript
119 lines
4.8 KiB
JavaScript
// 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: --max-new-space-size=256
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function zero() {
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var x = 0.5;
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return (function() { return x - 0.5; })();
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}
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function test() {
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assertEquals(0, Math.floor(0));
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assertEquals(0, Math.floor(zero()));
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assertEquals(1/-0, 1/Math.floor(-0)); // 0 == -0, so we use reciprocals.
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assertEquals(Infinity, Math.floor(Infinity));
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assertEquals(-Infinity, Math.floor(-Infinity));
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assertNaN(Math.floor(NaN));
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assertEquals(0, Math.floor(0.1));
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assertEquals(0, Math.floor(0.5));
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assertEquals(0, Math.floor(0.7));
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assertEquals(-1, Math.floor(-0.1));
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assertEquals(-1, Math.floor(-0.5));
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assertEquals(-1, Math.floor(-0.7));
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assertEquals(1, Math.floor(1));
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assertEquals(1, Math.floor(1.1));
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assertEquals(1, Math.floor(1.5));
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assertEquals(1, Math.floor(1.7));
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assertEquals(-1, Math.floor(-1));
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assertEquals(-2, Math.floor(-1.1));
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assertEquals(-2, Math.floor(-1.5));
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assertEquals(-2, Math.floor(-1.7));
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assertEquals(0, Math.floor(Number.MIN_VALUE));
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assertEquals(-1, Math.floor(-Number.MIN_VALUE));
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assertEquals(Number.MAX_VALUE, Math.floor(Number.MAX_VALUE));
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assertEquals(-Number.MAX_VALUE, Math.floor(-Number.MAX_VALUE));
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assertEquals(Infinity, Math.floor(Infinity));
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assertEquals(-Infinity, Math.floor(-Infinity));
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// 2^30 is a smi boundary.
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var two_30 = 1 << 30;
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assertEquals(two_30, Math.floor(two_30));
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assertEquals(two_30, Math.floor(two_30 + 0.1));
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assertEquals(two_30, Math.floor(two_30 + 0.5));
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assertEquals(two_30, Math.floor(two_30 + 0.7));
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assertEquals(two_30 - 1, Math.floor(two_30 - 1));
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assertEquals(two_30 - 1, Math.floor(two_30 - 1 + 0.1));
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assertEquals(two_30 - 1, Math.floor(two_30 - 1 + 0.5));
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assertEquals(two_30 - 1, Math.floor(two_30 - 1 + 0.7));
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assertEquals(-two_30, Math.floor(-two_30));
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assertEquals(-two_30, Math.floor(-two_30 + 0.1));
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assertEquals(-two_30, Math.floor(-two_30 + 0.5));
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assertEquals(-two_30, Math.floor(-two_30 + 0.7));
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assertEquals(-two_30 + 1, Math.floor(-two_30 + 1));
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assertEquals(-two_30 + 1, Math.floor(-two_30 + 1 + 0.1));
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assertEquals(-two_30 + 1, Math.floor(-two_30 + 1 + 0.5));
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assertEquals(-two_30 + 1, Math.floor(-two_30 + 1 + 0.7));
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// 2^52 is a precision boundary.
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var two_52 = (1 << 30) * (1 << 22);
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assertEquals(two_52, Math.floor(two_52));
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assertEquals(two_52, Math.floor(two_52 + 0.1));
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assertEquals(two_52, two_52 + 0.5);
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assertEquals(two_52, Math.floor(two_52 + 0.5));
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assertEquals(two_52 + 1, two_52 + 0.7);
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assertEquals(two_52 + 1, Math.floor(two_52 + 0.7));
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assertEquals(two_52 - 1, Math.floor(two_52 - 1));
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assertEquals(two_52 - 1, Math.floor(two_52 - 1 + 0.1));
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assertEquals(two_52 - 1, Math.floor(two_52 - 1 + 0.5));
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assertEquals(two_52 - 1, Math.floor(two_52 - 1 + 0.7));
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assertEquals(-two_52, Math.floor(-two_52));
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assertEquals(-two_52, Math.floor(-two_52 + 0.1));
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assertEquals(-two_52, Math.floor(-two_52 + 0.5));
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assertEquals(-two_52, Math.floor(-two_52 + 0.7));
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assertEquals(-two_52 + 1, Math.floor(-two_52 + 1));
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assertEquals(-two_52 + 1, Math.floor(-two_52 + 1 + 0.1));
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assertEquals(-two_52 + 1, Math.floor(-two_52 + 1 + 0.5));
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assertEquals(-two_52 + 1, Math.floor(-two_52 + 1 + 0.7));
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}
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// Test in a loop to cover the custom IC and GC-related issues.
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for (var i = 0; i < 500; i++) {
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test();
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}
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