| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import "package:expect/expect.dart"; |
| import "dart:math" show pow, log; |
| |
| void main() { |
| const String oneByteWhiteSpace = "\x09\x0a\x0b\x0c\x0d\x20" |
| "\x85" //# 01: ok |
| "\xa0"; |
| const String whiteSpace = "$oneByteWhiteSpace\u1680" |
| "\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a" |
| "\u2028\u2029\u202f\u205f\u3000\ufeff"; |
| |
| var digits = "0123456789abcdefghijklmnopqrstuvwxyz"; |
| var zeros = "0" * 64; |
| |
| void testParse(int result, String radixString, int radix) { |
| var m = "$radixString/$radix->$result"; |
| Expect.equals( |
| result, int.parse(radixString.toLowerCase(), radix: radix), m); |
| Expect.equals( |
| result, int.parse(radixString.toUpperCase(), radix: radix), m); |
| Expect.equals(result, int.parse(" $radixString", radix: radix), m); |
| Expect.equals(result, int.parse("$radixString ", radix: radix), m); |
| Expect.equals(result, int.parse(" $radixString ", radix: radix), m); |
| Expect.equals(result, int.parse("+$radixString", radix: radix), m); |
| Expect.equals(result, int.parse(" +$radixString", radix: radix), m); |
| Expect.equals(result, int.parse("+$radixString ", radix: radix), m); |
| Expect.equals(result, int.parse(" +$radixString ", radix: radix), m); |
| Expect.equals(-result, int.parse("-$radixString", radix: radix), m); |
| Expect.equals(-result, int.parse(" -$radixString", radix: radix), m); |
| Expect.equals(-result, int.parse("-$radixString ", radix: radix), m); |
| Expect.equals(-result, int.parse(" -$radixString ", radix: radix), m); |
| Expect.equals( |
| result, |
| int.parse("$oneByteWhiteSpace$radixString$oneByteWhiteSpace", |
| radix: radix), |
| m); |
| Expect.equals( |
| -result, |
| int.parse("$oneByteWhiteSpace-$radixString$oneByteWhiteSpace", |
| radix: radix), |
| m); |
| Expect.equals(result, |
| int.parse("$whiteSpace$radixString$whiteSpace", radix: radix), m); |
| Expect.equals(-result, |
| int.parse("$whiteSpace-$radixString$whiteSpace", radix: radix), m); |
| |
| Expect.equals(result, int.parse("$zeros$radixString", radix: radix), m); |
| Expect.equals(result, int.parse("+$zeros$radixString", radix: radix), m); |
| Expect.equals(-result, int.parse("-$zeros$radixString", radix: radix), m); |
| } |
| |
| final max = 9223372036854775807; |
| for (int i = 2; i <= 36; i++) { // //# 02: ok |
| // Test with bignums. // //# 02: continued |
| final n = (log(max) / log(i)).truncate(); // //# 02: continued |
| var digit = digits[i - 1]; // //# 02: continued |
| testParse(pow(i, n) - 1, digit * n, i); // //# 02: continued |
| testParse(0, zeros, i); // //# 02: continued |
| } // //# 02: continued |
| |
| // Big number. |
| Expect.equals(9223372036854775807, int.parse("9223372036854775807")); |
| Expect.equals(-9223372036854775808, int.parse("-9223372036854775808")); |
| } |