Language/Types/Type_Aliases/built-in_types_t09.dart

// Copyright (c) 2019, 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 Test for type aliases for built-in types
 * @description Checks left shift via type alias for int
 * @author sgrekhov@unipro.ru
 */
// SharedOptions=--enable-experiment=nonfunction-type-aliases
import '../../../Utils/expect.dart';

typedef IntAlias = int;

main() {
  IntAlias i = 1;

  Expect.equals(2, i << 1);
  Expect.equals(4, i << 2);
  Expect.equals(8, i << 3);
  Expect.equals(16, i << 4);
  Expect.equals(32, i << 5);
  Expect.equals(64, i << 6);
  if (isJS) {
    Expect.equals(0, i << 63);
  } else {
    Expect.equals(-9223372036854775808, i << 63);
  }

  Expect.equals(0, i << 64);
  Expect.equals(0, i << 65);
  Expect.equals(0, i << 100);

  int j = 0x7FFFFFFFFFFFF000;
  if (isJS) {
    Expect.equals(4294959104, j << 1);
    Expect.equals(4294950912, j << 2);
    Expect.equals(4294934528, j << 3);
    Expect.equals(4294901760, j << 4);
    Expect.equals(4294836224, j << 5);
    Expect.equals(4294705152, j << 6);
    Expect.equals(0, j << 64);
    Expect.equals(0, j << 65);
    Expect.equals(0, j << 100);
  } else {
    Expect.equals(-8192, j << 1);
    Expect.equals(-16384, j << 2);
    Expect.equals(-32768, j << 3);
    Expect.equals(-65536, j << 4);
    Expect.equals(-131072, j << 5);
    Expect.equals(-262144, j << 6);
    Expect.equals(0, j << 64);
    Expect.equals(0, j << 65);
    Expect.equals(0, j << 100);
  }
}