133e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// Copyright 2011 the V8 project authors. All rights reserved. 233e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// Redistribution and use in source and binary forms, with or without 333e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// modification, are permitted provided that the following conditions are 433e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// met: 533e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// 633e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// * Redistributions of source code must retain the above copyright 733e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// notice, this list of conditions and the following disclaimer. 833e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// * Redistributions in binary form must reproduce the above 933e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// copyright notice, this list of conditions and the following 1033e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// disclaimer in the documentation and/or other materials provided 1133e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// with the distribution. 1233e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// * Neither the name of Google Inc. nor the names of its 1333e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// contributors may be used to endorse or promote products derived 1433e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// from this software without specific prior written permission. 1533e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// 1633e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1733e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1833e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1933e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2033e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2133e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2233e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2333e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2433e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2533e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2633e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2733e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org 283c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org// Flags: --max-semi-space-size=1 --allow-natives-syntax 2933e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org 3033e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.orgvar test_id = 0; 3133e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org 3233e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.orgfunction testFloor(expect, input) { 3333e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org var test = new Function('n', 3433e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org '"' + (test_id++) + '";return Math.floor(n)'); 3533e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org assertEquals(expect, test(input)); 3633e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org assertEquals(expect, test(input)); 3733e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org assertEquals(expect, test(input)); 3833e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org %OptimizeFunctionOnNextCall(test); 3933e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org assertEquals(expect, test(input)); 40a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org 41a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org var test_double_output = new Function( 42a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org 'n', 43a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org '"' + (test_id++) + '";return Math.floor(n) + -0.0'); 44a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org assertEquals(expect, test_double_output(input)); 45a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org assertEquals(expect, test_double_output(input)); 46a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org assertEquals(expect, test_double_output(input)); 47a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org %OptimizeFunctionOnNextCall(test_double_output); 48a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org assertEquals(expect, test_double_output(input)); 4933e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org} 5033e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org 5133e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.orgfunction zero() { 5233e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org var x = 0.5; 5333e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org return (function() { return x - 0.5; })(); 5433e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org} 5533e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org 5633e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.orgfunction test() { 5733e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org // 2^30 is a smi boundary. 5833e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org var two_30 = 1 << 30; 5933e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org 6033e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(two_30, two_30); 6133e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(two_30, two_30 + 0.1); 6233e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(two_30, two_30 + 0.5); 6333e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(two_30, two_30 + 0.7); 6433e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org 6533e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(two_30 - 1, two_30 - 1); 6633e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(two_30 - 1, two_30 - 1 + 0.1); 6733e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(two_30 - 1, two_30 - 1 + 0.5); 6833e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(two_30 - 1, two_30 - 1 + 0.7); 6933e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org 7033e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(-two_30, -two_30); 7133e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(-two_30, -two_30 + 0.1); 7233e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(-two_30, -two_30 + 0.5); 7333e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(-two_30, -two_30 + 0.7); 7433e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org 7533e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(-two_30 + 1, -two_30 + 1); 7633e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(-two_30 + 1, -two_30 + 1 + 0.1); 7733e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(-two_30 + 1, -two_30 + 1 + 0.5); 7833e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org testFloor(-two_30 + 1, -two_30 + 1 + 0.7); 7933e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org} 8033e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org 8133e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org 8233e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org// Test in a loop to cover the custom IC and GC-related issues. 8333e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.orgfor (var i = 0; i < 100; i++) { 8433e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org test(); 8533e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org} 86