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 a few Number.toFixed cases, including ' + 26 '<a href="https://bugs.webkit.org/show_bug.cgi?id=5307">5307: Number.toFixed does not round 0.5 up</a>' + 27 ' and ' + 28 '<a href="https://bugs.webkit.org/show_bug.cgi?id=5308">5308: Number.toFixed does not include leading zero</a>' + 29 '.'); 30 31 shouldBe("(0).toFixed(0)", "'0'"); 32 33 shouldBe("(0.49).toFixed(0)", "'0'"); 34 shouldBe("(0.5).toFixed(0)", "'1'"); 35 shouldBe("(0.51).toFixed(0)", "'1'"); 36 37 shouldBe("(-0.49).toFixed(0)", "'-0'"); 38 shouldBe("(-0.5).toFixed(0)", "'-1'"); 39 shouldBe("(-0.51).toFixed(0)", "'-1'"); 40 41 shouldBe("(0).toFixed(1)", "'0.0'"); 42 43 shouldBe("(0.449).toFixed(1)", "'0.4'"); 44 shouldBe("(0.45).toFixed(1)", "'0.5'"); 45 shouldBe("(0.451).toFixed(1)", "'0.5'"); 46 shouldBe("(0.5).toFixed(1)", "'0.5'"); 47 shouldBe("(0.549).toFixed(1)", "'0.5'"); 48 shouldBe("(0.55).toFixed(1)", "'0.6'"); 49 shouldBe("(0.551).toFixed(1)", "'0.6'"); 50 51 shouldBe("(-0.449).toFixed(1)", "'-0.4'"); 52 shouldBe("(-0.45).toFixed(1)", "'-0.5'"); 53 shouldBe("(-0.451).toFixed(1)", "'-0.5'"); 54 shouldBe("(-0.5).toFixed(1)", "'-0.5'"); 55 shouldBe("(-0.549).toFixed(1)", "'-0.5'"); 56 shouldBe("(-0.55).toFixed(1)", "'-0.6'"); 57 shouldBe("(-0.551).toFixed(1)", "'-0.6'"); 58 59 var posInf = 1/0; 60 var negInf = -1/0; 61 var nan = 0/0; 62 63 // From Acid3, http://bugs.webkit.org/show_bug.cgi?id=16640 64 shouldBeEqualToString("(0.0).toFixed(4)", "0.0000"); 65 shouldBeEqualToString("(-0.0).toFixed(4)", "0.0000"); 66 shouldBeEqualToString("(0.0).toFixed()", "0"); 67 shouldBeEqualToString("(-0.0).toFixed()", "0"); 68 69 // From http://bugs.webkit.org/show_bug.cgi?id=5258 70 shouldBeEqualToString("(1234.567).toFixed()", "1235"); 71 shouldBeEqualToString("(1234.567).toFixed(0)", "1235"); 72 // 0 equivilents 73 shouldBeEqualToString("(1234.567).toFixed(null)", "1235"); 74 shouldBeEqualToString("(1234.567).toFixed(false)", "1235"); 75 shouldBeEqualToString("(1234.567).toFixed('foo')", "1235"); 76 shouldBeEqualToString("(1234.567).toFixed(nan)", "1235"); // nan is treated like 0 77 78 shouldBeEqualToString("(1234.567).toFixed(1)", "1234.6"); 79 shouldBeEqualToString("(1234.567).toFixed(true)", "1234.6"); // just like 1 80 shouldBeEqualToString("(1234.567).toFixed('1')", "1234.6"); // just like 1 81 82 shouldBeEqualToString("(1234.567).toFixed(2)", "1234.57"); 83 shouldBeEqualToString("(1234.567).toFixed(2.9)", "1234.57"); 84 shouldBeEqualToString("(1234.567).toFixed(5)", "1234.56700"); 85 shouldBeEqualToString("(1234.567).toFixed(20)", "1234.56700000000000727596"); 86 87 // SpiderMonkey allows precision values -20 to 100, the spec only allows 0 to 20 88 shouldThrow("(1234.567).toFixed(21)"); 89 shouldThrow("(1234.567).toFixed(100)"); 90 shouldThrow("(1234.567).toFixed(101)"); 91 shouldThrow("(1234.567).toFixed(-1)"); 92 shouldThrow("(1234.567).toFixed(-4)"); 93 shouldThrow("(1234.567).toFixed(-5)"); 94 shouldThrow("(1234.567).toFixed(-20)"); 95 shouldThrow("(1234.567).toFixed(-21)"); 96 97 shouldThrow("(1234.567).toFixed(posInf)"); 98 shouldThrow("(1234.567).toFixed(negInf)"); 99 100 shouldBeEqualToString("posInf.toFixed()", "Infinity"); 101 shouldBeEqualToString("negInf.toFixed()", "-Infinity"); 102 shouldBeEqualToString("nan.toFixed()", "NaN"); 103
