Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 | // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
| 3 | // |
| 4 | // Redistribution and use in source and binary forms, with or without |
| 5 | // modification, are permitted provided that the following conditions |
| 6 | // are met: |
| 7 | // 1. Redistributions of source code must retain the above copyright |
| 8 | // notice, this list of conditions and the following disclaimer. |
| 9 | // 2. Redistributions in binary form must reproduce the above copyright |
| 10 | // notice, this list of conditions and the following disclaimer in the |
| 11 | // documentation and/or other materials provided with the distribution. |
| 12 | // |
| 13 | // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
| 14 | // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 15 | // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 16 | // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| 17 | // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 18 | // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 19 | // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 20 | // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 21 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 22 | // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 23 | |
| 24 | description( |
| 25 | "This tests that the DFG can multiply numbers correctly." |
| 26 | ); |
| 27 | |
| 28 | function doMultiplyConstant2(a) { |
| 29 | return a * 2; |
| 30 | } |
| 31 | |
| 32 | function doMultiplyConstant3(a) { |
| 33 | return a * 3; |
| 34 | } |
| 35 | |
| 36 | function doMultiplyConstant4(a) { |
| 37 | return a * 4; |
| 38 | } |
| 39 | |
| 40 | // Get it to compile. |
| 41 | for (var i = 0; i < 100; ++i) { |
| 42 | shouldBe("doMultiplyConstant2(1)", "2"); |
| 43 | shouldBe("doMultiplyConstant2(2)", "4"); |
| 44 | shouldBe("doMultiplyConstant2(4)", "8"); |
| 45 | shouldBe("doMultiplyConstant3(1)", "3"); |
| 46 | shouldBe("doMultiplyConstant3(2)", "6"); |
| 47 | shouldBe("doMultiplyConstant3(4)", "12"); |
| 48 | shouldBe("doMultiplyConstant4(1)", "4"); |
| 49 | shouldBe("doMultiplyConstant4(2)", "8"); |
| 50 | shouldBe("doMultiplyConstant4(4)", "16"); |
| 51 | } |
| 52 | |
| 53 | // Now do evil. |
| 54 | for (var i = 0; i < 10; ++i) { |
| 55 | shouldBe("doMultiplyConstant2(1073741824)", "2147483648"); |
| 56 | shouldBe("doMultiplyConstant2(2147483648)", "4294967296"); |
| 57 | shouldBe("doMultiplyConstant3(1073741824)", "3221225472"); |
| 58 | shouldBe("doMultiplyConstant3(2147483648)", "6442450944"); |
| 59 | shouldBe("doMultiplyConstant4(1073741824)", "4294967296"); |
| 60 | shouldBe("doMultiplyConstant4(2147483648)", "8589934592"); |
| 61 | shouldBe("doMultiplyConstant2(-1073741824)", "-2147483648"); |
| 62 | shouldBe("doMultiplyConstant2(-2147483648)", "-4294967296"); |
| 63 | shouldBe("doMultiplyConstant3(-1073741824)", "-3221225472"); |
| 64 | shouldBe("doMultiplyConstant3(-2147483648)", "-6442450944"); |
| 65 | shouldBe("doMultiplyConstant4(-1073741824)", "-4294967296"); |
| 66 | shouldBe("doMultiplyConstant4(-2147483648)", "-8589934592"); |
| 67 | } |