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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 test checks for accuracy in numeric conversions, particularly with large or infinite values."
     26 );
     27 
     28 shouldBe("Number(1152921504606847105).toString()", "'1152921504606847200'");
     29 shouldBe("parseInt('1152921504606847105').toString()", "'1152921504606847200'");
     30 shouldBe("(- (- '1152921504606847105')).toString()", "'1152921504606847200'");
     31 
     32 shouldBe("Number(0x1000000000000081).toString(16)", "'1000000000000100'");
     33 shouldBe("parseInt('0x1000000000000081', 16).toString(16)", "'1000000000000100'");
     34 shouldBe("(- (- '0x1000000000000081')).toString(16)", "'1000000000000100'");
     35 
     36 shouldBe("Number(0100000000000000000201).toString(8)", "'100000000000000000400'");
     37 shouldBe("parseInt('100000000000000000201', 8).toString(8)", "'100000000000000000400'");
     38 
     39 shouldBe("(- 'infinity').toString()", "'NaN'");
     40 
     41 shouldBe("parseInt('1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000').toString()", "'Infinity'");
     42 shouldBe("parseInt('0x100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', 16).toString()", "'Infinity'");
     43 shouldBe("parseInt('100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', 8).toString()", "'Infinity'");
     44 
     45 shouldBe("parseInt('9007199254740992e2000').toString()", "'9007199254740992'");
     46 shouldBe("parseInt('9007199254740992.0e2000').toString()", "'9007199254740992'");
     47 
     48 shouldBe("parseInt(NaN)", "NaN");
     49 shouldBe("parseInt(-Infinity)", "NaN");
     50 shouldBe("parseInt(Infinity)", "NaN");
     51 
     52 shouldBe("parseInt(-0.6).toString()", "'0'");
     53