LibTest/core/RegExp/Pattern_semantics/firstMatch_CharacterClassEscape_A01_t01.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 15.10.2.12: The production CharacterClassEscape :: d evaluates by
/// returning the ten-element set of characters containing the characters 0
/// through 9 inclusive.
/// @description Checks that \d works as described.
/// @3rdparty sputnik-v1:S15.10.2.12_A5_T1.js-S15.10.2.12_A5_T3.js
/// @author rodionov

import "../../../../Utils/expect.dart";
 

main() {
  RegExp re = new RegExp("\\d");
  for (int alpha = 0x0000; alpha <= 0xFFFF; alpha++) {
    if(alpha >= 0x0030 && alpha <= 0x0039) {
      // a decimal digit
      Expect.isNotNull(
          re.firstMatch(String.fromCharCodes([alpha])), "\\d !~ char($alpha)");
    } else {
      Expect.isNull(
          re.firstMatch(String.fromCharCodes([alpha])), "\\d ~ char($alpha)");
    }
  }
}