LanguageFeatures/Patterns/parenthesized_A03_t01.dart

// Copyright (c) 2022, 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
/// parenthesizedPattern ::= '(' pattern ')'
/// Like parenthesized expressions, parentheses in a pattern let you control
/// pattern precedence and insert a lower precedence pattern where a higher
/// precedence one is expected.
///
/// @description Checks parentheses in a switch statement
/// @author sgrekhov22@gmail.com

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

String test(int value) {
  switch (value) {
    case ((> 0 || == 0)  && < 42):
      return "[0, 42)";
    case > 42 && (== 100 || < 100):
      return "(42, 100]";
    default:
      return "default";
  }
}

main() {
  Expect.equals("[0, 42)", test(0));
  Expect.equals("[0, 42)", test(1));
  Expect.equals("[0, 42)", test(41));
  Expect.equals("default", test(42));
  Expect.equals("(42, 100]", test(43));
  Expect.equals("(42, 100]", test(99));
  Expect.equals("(42, 100]", test(100));
  Expect.equals("default", test(101));
}