LibTest/io/File/isAbsolute_A01_t02.dart

// Copyright (c) 2017, 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.

// @dart = 2.9

/// @assertion bool isAbsolute
/// Returns a bool indicating whether this object's path is absolute.
///
/// On Windows, a path is absolute if it starts with \\ or a drive letter between
/// a and z (upper or lower case) followed by :\ or :/. On non-Windows, a path is
/// absolute if it starts with /.
/// @description Checks that this property returns a bool indicating whether this
/// object's path is absolute. Test absolute path
/// @author sgrekhov@unipro.ru

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

main() {
  if (Platform.isWindows) {
    File file = new File(r"\\SomeFile");
    Expect.isTrue(file.isAbsolute);

    file = new File("a:\\");
    Expect.isTrue(file.isAbsolute);

    file = new File("Z:/something");
    Expect.isTrue(file.isAbsolute);
  } else {
    File file = new File("/SomeFile");
    Expect.isTrue(file.isAbsolute);

    file = new File("/");
    Expect.isTrue(file.isAbsolute);
  }
}