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// 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"));
}