js/src/tests/ecma_5/Global/parseInt-01.js

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 // Any copyright is dedicated to the Public Domain.
     2 // http://creativecommons.org/licenses/publicdomain/
     4 //-----------------------------------------------------------------------------
     5 var BUGNUMBER = 577536;
     6 var summary = "ES5 15.1.2.2 parseInt(string, radix)";
     8 print(BUGNUMBER + ": " + summary);
    10 /**************
    11  * BEGIN TEST *
    12  **************/
    14 var str, radix;
    15 var upvar;
    17 /* 1. Let inputString be ToString(string). */
    19 assertEq(parseInt({ toString: function() { return "17" } }, 10), 17);
    21 upvar = 0;
    22 str = { get toString() { upvar++; return function() { upvar++; return "12345"; } } };
    23 assertEq(parseInt(str, 10), 12345);
    24 assertEq(upvar, 2);
    27 /*
    28  * 2. Let S be a newly created substring of inputString consisting of the first
    29  *    character that is not a StrWhiteSpaceChar and all characters following
    30  *    that character. (In other words, remove leading white space.)
    31  */
    33 var ws =
    34   ["\t", "\v", "\f", " ", "\xA0", "\uFEFF",
    35      "\u2004", "\u3000", // a few Unicode whitespaces
    36    "\r", "\n", "\u2028", "\u2029"];
    38 str = "8675309";
    39 for (var i = 0, sz = ws.length; i < sz; i++)
    40 {
    41   assertEq(parseInt(ws[i] + str, 10), 8675309);
    42   for (var j = 0, sz = ws.length; j < sz; j++)
    43   {
    44     assertEq(parseInt(ws[i] + ws[j] + str, 10), 8675309,
    45              ws[i].charCodeAt(0).toString(16) + ", " +
    46              ws[j].charCodeAt(0).toString(16));
    47   }
    48 }
    51 /*
    52  * 3. Let sign be 1.
    53  * 4. If S is not empty and the first character of S is a minus sign -, let
    54  *    sign be −1.
    55  */
    56 str = "5552368";
    57 assertEq(parseInt("-" + str, 10), -parseInt(str, 10));
    58 assertEq(parseInt(" -" + str, 10), -parseInt(str, 10));
    59 assertEq(parseInt("-", 10), NaN);
    60 assertEq(parseInt("", 10), NaN);
    61 assertEq(parseInt("-0", 10), -0);
    64 /*
    65  * 5. If S is not empty and the first character of S is a plus sign + or a
    66  *    minus sign -, then remove the first character from S.
    67  */
    68 assertEq(parseInt("+12345", 10), 12345);
    69 assertEq(parseInt(" +12345", 10), 12345);
    70 assertEq(parseInt("-12345", 10), -12345);
    71 assertEq(parseInt(" -12345", 10), -12345);
    74 /*
    75  * 6.  Let R = ToInt32(radix).
    76  */
    78 upvar = "";
    79 str =
    80   { toString: function() { if (!upvar) upvar = "string"; return "42"; } };
    81 radix =
    82   { toString: function() { if (!upvar) upvar = "radix"; return "10"; } };
    84 assertEq(parseInt(str, radix), 42);
    85 assertEq(upvar, "string");
    87 assertEq(parseInt("123", null), 123);
    88 assertEq(parseInt("123", undefined), 123);
    89 assertEq(parseInt("123", NaN), 123);
    90 assertEq(parseInt("123", -0), 123);
    91 assertEq(parseInt("10", 72057594037927950), 16);
    92 assertEq(parseInt("10", -4294967292), 4);
    93 assertEq(parseInt("0x10", 1e308), 16);
    94 assertEq(parseInt("10", 1e308), 10);
    95 assertEq(parseInt("10", { valueOf: function() { return 16; } }), 16);
    98 /*
    99  * 7.  Let stripPrefix be true.
   100  * 8.  If R ≠ 0, then
   101  *     a. If R < 2 or R > 36, then return NaN.
   102  *     b. If R ≠ 16, let stripPrefix be false.
   103  * 9.  Else, R = 0
   104  *     a. Let R = 10.
   105  * 10. If stripPrefix is true, then
   106  *     a. If the length of S is at least 2 and the first two characters of S
   107  *     are either “0x” or “0X”, then remove the first two characters from S and
   108  *     let R = 16.
   109  */
   110 var vs = ["1", "51", "917", "2343", "99963"];
   111 for (var i = 0, sz = vs.length; i < sz; i++)
   112   assertEq(parseInt(vs[i], 0), parseInt(vs[i], 10), "bad " + vs[i]);
   114 assertEq(parseInt("0x10"), 16);
   115 assertEq(parseInt("0x10", 0), 16);
   116 assertEq(parseInt("0x10", 16), 16);
   117 assertEq(parseInt("0x10", 8), 0);
   118 assertEq(parseInt("-0x10", 16), -16);
   120 assertEq(parseInt("5", 1), NaN);
   121 assertEq(parseInt("5", 37), NaN);
   122 assertEq(parseInt("5", { valueOf: function() { return -1; } }), NaN);
   125 /*
   126  * 11. If S contains any character that is not a radix-R digit, then let Z be
   127  *     the substring of S consisting of all characters before the first such
   128  *     character; otherwise, let Z be S.
   129  * 12. If Z is empty, return NaN.
   130  */
   131 assertEq(parseInt(""), NaN);
   132 assertEq(parseInt("ohai"), NaN);
   133 assertEq(parseInt("0xohai"), NaN);
   134 assertEq(parseInt("-ohai"), NaN);
   135 assertEq(parseInt("+ohai"), NaN);
   136 assertEq(parseInt(" ohai"), NaN);
   138 assertEq(parseInt("0xaohai"), 10);
   139 assertEq(parseInt("hohai", 18), 17);
   142 /*
   143  * 13. Let mathInt be the mathematical integer value that is represented by Z
   144  *     in radix-R notation, using the letters A-Z and a-z for digits with
   145  *     values 10 through 35. (However, if R is 10 and Z contains more than 20
   146  *     significant digits, every significant digit after the 20th may be
   147  *     replaced by a 0 digit, at the option of the implementation; and if R is
   148  *     not 2, 4, 8, 10, 16, or 32, then mathInt may be an implementation-
   149  *     dependent approximation to the mathematical integer value that is
   150  *     represented by Z in radix-R notation.)
   151  * 14. Let number be the Number value for mathInt.
   152  * 15. Return sign × number.
   153  */
   154 assertEq(parseInt("ohai", 36), 1142154);
   155 assertEq(parseInt("0ohai", 36), 1142154);
   156 assertEq(parseInt("00ohai", 36), 1142154);
   157 assertEq(parseInt("A", 16), 10);
   158 assertEq(parseInt("0A", 16), 10);
   159 assertEq(parseInt("00A", 16), 10);
   160 assertEq(parseInt("A", 17), 10);
   161 assertEq(parseInt("0A", 17), 10);
   162 assertEq(parseInt("00A", 17), 10);
   165 /******************************************************************************/
   167 if (typeof reportCompare === "function")
   168   reportCompare(true, true);
   170 print("All tests passed!");

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