tests/language/number_identifier_test.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.

import "package:expect/expect.dart";

main() {
  // Integer literals.
  Expect.isTrue(2 is int);
  Expect.equals(2, 2 as int);
  Expect.isTrue(-2 is int);
  Expect.equals(-2, -2 as int);
  Expect.isTrue(0x10 is int);
  Expect.isTrue(-0x10 is int);
  // "a" will be part of hex literal, the following "s" is an error.
  0x10as int; // //# 01: syntax error
  0x; //         //# 04: syntax error

  // Double literals.
  Expect.isTrue(2.0 is double);
  Expect.equals(2.0, 2.0 as double);
  Expect.isTrue(-2.0 is double);
  Expect.equals(-2.0, -2.0 as double);
  Expect.isTrue(.2 is double);
  Expect.equals(0.2, .2 as double);
  Expect.isTrue(1e2 is double);
  Expect.equals(1e2, 1e2 as double);
  Expect.isTrue(1e-2 is double);
  Expect.equals(1e-2, 1e-2 as double);
  Expect.isTrue(1e+2 is double);
  Expect.equals(1e+2, 1e+2 as double);
  Expect.throws(() => 1.e+2, //                      //# 05: static type warning
                (e) => e is NoSuchMethodError); //   //# 05: continued
  1d; // //# 06: syntax error
  1D; // //# 07: syntax error
  Expect.throws(() => 1.d+2, //                      //# 08: ok
                (e) => e is NoSuchMethodError); //   //# 08: continued
  Expect.throws(() => 1.D+2, //                      //# 09: ok
                (e) => e is NoSuchMethodError); //   //# 09: continued
  1.1d; // //# 10: syntax error
  1.1D; // //# 11: syntax error
  1e; // //# 02: syntax error
  1x; // //# 03: syntax error
}