// Copyright 2012 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Flags: --allow-natives-syntax function RunOneTruncationTest(a, b) { var temp = a | 0; assertEquals(b, temp); }; %PrepareFunctionForOptimization(RunOneTruncationTest); function RunAllTruncationTests() { RunOneTruncationTest(0, 0); RunOneTruncationTest(0.5, 0); RunOneTruncationTest(-0.5, 0); RunOneTruncationTest(1.5, 1); RunOneTruncationTest(-1.5, -1); RunOneTruncationTest(5.5, 5); RunOneTruncationTest(-5.0, -5); RunOneTruncationTest(NaN, 0); RunOneTruncationTest(Infinity, 0); RunOneTruncationTest(-NaN, 0); RunOneTruncationTest(-Infinity, 0); RunOneTruncationTest(4.5036e+15, 0x1635E000); RunOneTruncationTest(-4.5036e+15, -372629504); RunOneTruncationTest(4503603922337791.0, -1); RunOneTruncationTest(-4503603922337791.0, 1); RunOneTruncationTest(4503601774854143.0, 2147483647); RunOneTruncationTest(-4503601774854143.0, -2147483647); RunOneTruncationTest(9007207844675582.0, -2); RunOneTruncationTest(-9007207844675582.0, 2); RunOneTruncationTest(2.4178527921507624e+24, -536870912); RunOneTruncationTest(-2.4178527921507624e+24, 536870912); RunOneTruncationTest(2.417853945072267e+24, -536870912); RunOneTruncationTest(-2.417853945072267e+24, 536870912); RunOneTruncationTest(4.8357055843015248e+24, -1073741824); RunOneTruncationTest(-4.8357055843015248e+24, 1073741824); RunOneTruncationTest(4.8357078901445341e+24, -1073741824); RunOneTruncationTest(-4.8357078901445341e+24, 1073741824); RunOneTruncationTest(9.6714111686030497e+24, -2147483648); RunOneTruncationTest(-9.6714111686030497e+24, -2147483648); RunOneTruncationTest(9.6714157802890681e+24, -2147483648); RunOneTruncationTest(-9.6714157802890681e+24, -2147483648); } RunAllTruncationTests(); RunAllTruncationTests(); %OptimizeFunctionOnNextCall(RunOneTruncationTest); RunAllTruncationTests(); RunAllTruncationTests();