Language/Expressions/Numbers/syntax_t06.dart

// Copyright (c) 2011, 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.

/// @assertion A numeric literal is either a decimal or hexadecimal integer of
/// arbitrary size, or a decimal double.
///
/// numericLiteral:
///   NUMBER|
///   HEX_NUMBER
///;
/// NUMBER:
///   DIGIT+ ('.' DIGIT+)? EXPONENT? |
///  '.' DIGIT+ EXPONENT?
/// ;
/// EXPONENT:
///   ('e' | 'E') ('+' | '-')? DIGIT+
/// ;
/// HEX NUMBER:
///   '0x' HEX DIGIT+ |
///   '0X' HEX DIGIT+
/// ;
/// HEX DIGIT:
///   'a'..'f' |
///   'A'..'F' |
///   DIGIT
/// ;
/// @description Checks various large positive decimal and hexadecimal integer
/// numbers. This test must be skipped on JS configurations
/// @author iefremov

import '../../../Utils/expect.dart';

main() {
  Expect.equals(2147483647, 0x7FFFFFFF);
  Expect.equals("2147483647", 2147483647.toString());
  Expect.equals("2147483647", 0x7FFFFFFF.toString());

  Expect.equals(2147483648, 0x80000000);
  Expect.equals("2147483648", 2147483648.toString());
  Expect.equals("2147483648", 0x80000000.toString());
  Expect.equals(2147483648, 1 << 31);
  Expect.equals(4294967295, 0xFFFFFFFF);

  Expect.equals(9223372036854775807, 0x7FFFFFFFFFFFFFFF);
  Expect.equals(-9223372036854775808, 0x8000000000000000);
  Expect.equals(-9223372036854775808, 1 << 63);

  Expect.equals("9223372036854775807", 9223372036854775807.toString());
  Expect.equals("9223372036854775807", 0x7FFFFFFFFFFFFFFF.toString());

  Expect.equals(-1, 0xFFFFFFFFFFFFFFFF);
  Expect.equals(1152921504606846976, 0x1000000000000000);
  Expect.equals(0, 1 << 64);
}