// 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) | |

/// Returns -0.0 if x is -0.0, and NaN if x is otherwise negative or NaN. | |

/// @description Checks that [sqrt] returns NaN if [x] is NaN. | |

/// @author msyabro | |

import "dart:math" as Math; | |

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

main() { | |

Expect.isTrue(Math.sqrt(double.nan).isNaN); | |

} |