dart / co19 / 7db8bbf3a3894ce83bae1f0476b0e26e99a78c5d / . / LibTest / math / MutableRectangle / operator_equality_A03_t01.dart

// Copyright (c) 2014, 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 bool operator ==(other) | |

/// The equality operator. | |

/// ... | |

/// Reflexive: For all objects o, o == o must be true. | |

/// @description Checks that MutableRectangle with a coordinate equal to NaN is | |

/// not equal to itself. | |

/// @author kaigorodov | |

import "dart:math"; | |

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

main() { | |

MutableRectangle point = new MutableRectangle(0, double.nan, 0, 0); | |

Expect.isFalse(point == point); | |

point = new MutableRectangle(double.nan, 0, 0, 0); | |

Expect.isFalse(point == point); | |

point = new MutableRectangle(double.nan, double.nan, 0, 0); | |

Expect.isFalse(point == point); | |

point = new MutableRectangle(double.infinity, 0, double.negativeInfinity, 0); | |

Expect.isTrue(point == point); | |

point = new MutableRectangle(double.negativeInfinity, 0, double.infinity, 0); | |

Expect.isFalse(point == point); | |

point = new MutableRectangle(0, double.infinity, 0, double.negativeInfinity); | |

Expect.isTrue(point == point); | |

point = new MutableRectangle(0, double.negativeInfinity, 0, double.infinity); | |

Expect.isFalse(point == point); | |

} |