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Diffstat (limited to 'js/src/tests/ecma_6/Number/parseInt-01.js')
-rw-r--r-- | js/src/tests/ecma_6/Number/parseInt-01.js | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Number/parseInt-01.js b/js/src/tests/ecma_6/Number/parseInt-01.js new file mode 100644 index 000000000..20bda1872 --- /dev/null +++ b/js/src/tests/ecma_6/Number/parseInt-01.js @@ -0,0 +1,172 @@ +// Any copyright is dedicated to the Public Domain. +// http://creativecommons.org/licenses/publicdomain/ + +//----------------------------------------------------------------------------- +var BUGNUMBER = 886949; +var summary = "ES6 (draft May 2013) 15.7.3.9 Number.parseInt(string, radix)"; + +print(BUGNUMBER + ": " + summary); + +/************** + * BEGIN TEST * + **************/ + +var str, radix; +var upvar; + +/* 1. Let inputString be ToString(string). */ + +assertEq(Number.parseInt({ toString: function() { return "17" } }, 10), 17); + +upvar = 0; +str = { get toString() { upvar++; return function() { upvar++; return "12345"; } } }; +assertEq(Number.parseInt(str, 10), 12345); +assertEq(upvar, 2); + + +/* + * 2. Let S be a newly created substring of inputString consisting of the first + * character that is not a StrWhiteSpaceChar and all characters following + * that character. (In other words, remove leading white space.) + */ + +var ws = + ["\t", "\v", "\f", " ", "\xA0", "\uFEFF", + "\u2004", "\u3000", // a few Unicode whitespaces + "\r", "\n", "\u2028", "\u2029"]; + +str = "8675309"; +for (var i = 0, sz = ws.length; i < sz; i++) +{ + assertEq(Number.parseInt(ws[i] + str, 10), 8675309); + for (var j = 0, sz = ws.length; j < sz; j++) + { + assertEq(Number.parseInt(ws[i] + ws[j] + str, 10), 8675309, + ws[i].charCodeAt(0).toString(16) + ", " + + ws[j].charCodeAt(0).toString(16)); + } +} + + +/* + * 3. Let sign be 1. + * 4. If S is not empty and the first character of S is a minus sign -, let + * sign be −1. + */ +str = "5552368"; +assertEq(Number.parseInt("-" + str, 10), -Number.parseInt(str, 10)); +assertEq(Number.parseInt(" -" + str, 10), -Number.parseInt(str, 10)); +assertEq(Number.parseInt("-", 10), NaN); +assertEq(Number.parseInt("", 10), NaN); +assertEq(Number.parseInt("-0", 10), -0); + + +/* + * 5. If S is not empty and the first character of S is a plus sign + or a + * minus sign -, then remove the first character from S. + */ +assertEq(Number.parseInt("+12345", 10), 12345); +assertEq(Number.parseInt(" +12345", 10), 12345); +assertEq(Number.parseInt("-12345", 10), -12345); +assertEq(Number.parseInt(" -12345", 10), -12345); + + +/* + * 6. Let R = ToInt32(radix). + */ + +upvar = ""; +str = + { toString: function() { if (!upvar) upvar = "string"; return "42"; } }; +radix = + { toString: function() { if (!upvar) upvar = "radix"; return "10"; } }; + +assertEq(Number.parseInt(str, radix), 42); +assertEq(upvar, "string"); + +assertEq(Number.parseInt("123", null), 123); +assertEq(Number.parseInt("123", undefined), 123); +assertEq(Number.parseInt("123", NaN), 123); +assertEq(Number.parseInt("123", -0), 123); +assertEq(Number.parseInt("10", 72057594037927950), 16); +assertEq(Number.parseInt("10", -4294967292), 4); +assertEq(Number.parseInt("0x10", 1e308), 16); +assertEq(Number.parseInt("10", 1e308), 10); +assertEq(Number.parseInt("10", { valueOf: function() { return 16; } }), 16); + + +/* + * 7. Let stripPrefix be true. + * 8. If R ≠ 0, then + * a. If R < 2 or R > 36, then return NaN. + * b. If R ≠ 16, let stripPrefix be false. + * 9. Else, R = 0 + * a. Let R = 10. + * 10. If stripPrefix is true, then + * a. If the length of S is at least 2 and the first two characters of S + * are either “0x” or “0X”, then remove the first two characters from S and + * let R = 16. + */ +var vs = ["1", "51", "917", "2343", "99963"]; +for (var i = 0, sz = vs.length; i < sz; i++) + assertEq(Number.parseInt(vs[i], 0), Number.parseInt(vs[i], 10), "bad " + vs[i]); + +assertEq(Number.parseInt("0x10"), 16); +assertEq(Number.parseInt("0x10", 0), 16); +assertEq(Number.parseInt("0x10", 16), 16); +assertEq(Number.parseInt("0x10", 8), 0); +assertEq(Number.parseInt("-0x10", 16), -16); + +assertEq(Number.parseInt("5", 1), NaN); +assertEq(Number.parseInt("5", 37), NaN); +assertEq(Number.parseInt("5", { valueOf: function() { return -1; } }), NaN); + + +/* + * 11. If S contains any character that is not a radix-R digit, then let Z be + * the substring of S consisting of all characters before the first such + * character; otherwise, let Z be S. + * 12. If Z is empty, return NaN. + */ +assertEq(Number.parseInt(""), NaN); +assertEq(Number.parseInt("ohai"), NaN); +assertEq(Number.parseInt("0xohai"), NaN); +assertEq(Number.parseInt("-ohai"), NaN); +assertEq(Number.parseInt("+ohai"), NaN); +assertEq(Number.parseInt(" ohai"), NaN); + +assertEq(Number.parseInt("0xaohai"), 10); +assertEq(Number.parseInt("hohai", 18), 17); + + +/* + * 13. Let mathInt be the mathematical integer value that is represented by Z + * in radix-R notation, using the letters A-Z and a-z for digits with + * values 10 through 35. (However, if R is 10 and Z contains more than 20 + * significant digits, every significant digit after the 20th may be + * replaced by a 0 digit, at the option of the implementation; and if R is + * not 2, 4, 8, 10, 16, or 32, then mathInt may be an implementation- + * dependent approximation to the mathematical integer value that is + * represented by Z in radix-R notation.) + * 14. Let number be the Number value for mathInt. + * 15. Return sign × number. + */ +assertEq(Number.parseInt("ohai", 36), 1142154); +assertEq(Number.parseInt("0ohai", 36), 1142154); +assertEq(Number.parseInt("00ohai", 36), 1142154); +assertEq(Number.parseInt("A", 16), 10); +assertEq(Number.parseInt("0A", 16), 10); +assertEq(Number.parseInt("00A", 16), 10); +assertEq(Number.parseInt("A", 17), 10); +assertEq(Number.parseInt("0A", 17), 10); +assertEq(Number.parseInt("00A", 17), 10); + +/* Number.parseInt should be the same function object as global parseInt. */ +assertEq(Number.parseInt, parseInt); + +/******************************************************************************/ + +if (typeof reportCompare === "function") + reportCompare(true, true); + +print("All tests passed!"); |