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      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 }
     68