| // 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 double sqrt(num x) |

| /// Converts [x] to a double and returns the positive square root of the value. |

| /// @description Checks special values. |

| import "dart:math" as Math; |

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

| Expect.equals(double.infinity, Math.sqrt(double.infinity)); |

| Expect.equals(.0, Math.sqrt(0.0)); |