mirror of
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284f662022
Change-Id: I764d0457da85b2935e1d83309eab4c4b5b3ea000 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/126204 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
69 lines
3.1 KiB
Dart
69 lines
3.1 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import "package:expect/expect.dart";
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import "dart:math" show pow, log;
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void main() {
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const String oneByteWhiteSpace = "\x09\x0a\x0b\x0c\x0d\x20"
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"\x85" //# 01: ok
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"\xa0";
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const String whiteSpace = "$oneByteWhiteSpace\u1680"
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"\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a"
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"\u2028\u2029\u202f\u205f\u3000\ufeff";
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var digits = "0123456789abcdefghijklmnopqrstuvwxyz";
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var zeros = "0" * 64;
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void testParse(int result, String radixString, int radix) {
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var m = "$radixString/$radix->$result";
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Expect.equals(
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result, int.parse(radixString.toLowerCase(), radix: radix), m);
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Expect.equals(
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result, int.parse(radixString.toUpperCase(), radix: radix), m);
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Expect.equals(result, int.parse(" $radixString", radix: radix), m);
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Expect.equals(result, int.parse("$radixString ", radix: radix), m);
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Expect.equals(result, int.parse(" $radixString ", radix: radix), m);
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Expect.equals(result, int.parse("+$radixString", radix: radix), m);
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Expect.equals(result, int.parse(" +$radixString", radix: radix), m);
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Expect.equals(result, int.parse("+$radixString ", radix: radix), m);
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Expect.equals(result, int.parse(" +$radixString ", radix: radix), m);
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Expect.equals(-result, int.parse("-$radixString", radix: radix), m);
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Expect.equals(-result, int.parse(" -$radixString", radix: radix), m);
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Expect.equals(-result, int.parse("-$radixString ", radix: radix), m);
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Expect.equals(-result, int.parse(" -$radixString ", radix: radix), m);
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Expect.equals(
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result,
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int.parse("$oneByteWhiteSpace$radixString$oneByteWhiteSpace",
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radix: radix),
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m);
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Expect.equals(
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-result,
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int.parse("$oneByteWhiteSpace-$radixString$oneByteWhiteSpace",
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radix: radix),
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m);
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Expect.equals(result,
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int.parse("$whiteSpace$radixString$whiteSpace", radix: radix), m);
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Expect.equals(-result,
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int.parse("$whiteSpace-$radixString$whiteSpace", radix: radix), m);
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Expect.equals(result, int.parse("$zeros$radixString", radix: radix), m);
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Expect.equals(result, int.parse("+$zeros$radixString", radix: radix), m);
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Expect.equals(-result, int.parse("-$zeros$radixString", radix: radix), m);
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}
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final max = 9223372036854775807;
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for (int i = 2; i <= 36; i++) { // //# 02: ok
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// Test with bignums. // //# 02: continued
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final n = (log(max) / log(i)).truncate(); // //# 02: continued
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var digit = digits[i - 1]; // //# 02: continued
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testParse((pow(i, n) as int) - 1, digit * n, i); // //# 02: continued
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testParse(0, zeros, i); // //# 02: continued
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} // //# 02: continued
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// Big number.
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Expect.equals(9223372036854775807, int.parse("9223372036854775807"));
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Expect.equals(-9223372036854775808, int.parse("-9223372036854775808"));
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}
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