// 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.

/// @assertion  abstract int indexOf(Pattern pattern, [int start])
/// Returns the first position of a match of pattern in this string, starting at
/// start.
/// @description Checks that the correct index is returned
/// @author msyabro

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

main() {
  Expect.isTrue("string".indexOf("tr", 0) == 1);
  Expect.isTrue("sss".indexOf("s", 0) == 0);
  Expect.isTrue("sss".indexOf("s", 1) == 1);
  Expect.isTrue("a".indexOf("a", 0) == 0);
  Expect.isTrue("".indexOf("", 0) == 0);

  Expect.isTrue("\u0000\u0001".indexOf("\u0000", 0) == 0);
}