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// 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() {
// Test that not providing an optional argument goes to the end.
Expect.equals("".substring(0), "");
Expect.throwsRangeError(() => "".substring(1));
Expect.throwsRangeError(() => "".substring(-1));
Expect.equals("abc".substring(0), "abc");
Expect.equals("abc".substring(1), "bc");
Expect.equals("abc".substring(2), "c");
Expect.equals("abc".substring(3), "");
Expect.throwsRangeError(() => "abc".substring(4));
Expect.throwsRangeError(() => "abc".substring(-1));
// Test that providing null goes to the end.
Expect.equals("".substring(0, null), "");
Expect.throwsRangeError(() => "".substring(1, null));
Expect.throwsRangeError(() => "".substring(-1, null));
Expect.equals("abc".substring(0, null), "abc");
Expect.equals("abc".substring(1, null), "bc");
Expect.equals("abc".substring(2, null), "c");
Expect.equals("abc".substring(3, null), "");
Expect.throwsRangeError(() => "abc".substring(4, null));
Expect.throwsRangeError(() => "abc".substring(-1, null));
}