Language/12_Expressions/03_Numbers_A01_t09.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. 
 *  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 that all decimal and hexadecimal digits are parsed correctly.
 * @author iefremov
 * @reviewer rodionov
 */
import "../../Utils/expect.dart";

main() {
  var v = 1234567890.0987654321e1234567890;
  Expect.equals(1234567890.0987654321e1234567890, v);
  Expect.equals(double.INFINITY, v);

  v = 01234567899876543210;
  Expect.equals(01234567899876543210, v);
  Expect.equals("1234567899876543210", v.toString());

  v = 01234567899876543210.01234567899876543210;
  Expect.equals(1.23456789987654323E18, v);

  v = 0x1234567890abcdefABCDEF;
  Expect.equals(22007822917795467892608495, v);
  Expect.equals("22007822917795467892608495", v.toString());
}