LCOV - code coverage report
Current view: top level - src - speed.dart (source / functions) Hit Total Coverage
Test: coverage report Lines: 10 10 100.0 %
Date: 2017-10-14 16:50:29 Functions: 0 0 -

          Line data    Source code
       1             : import 'dart:core';
       2             : 
       3             : class Speed implements Comparable<Speed> {
       4             :     ///meters per second to:
       5             :     static const double _msec_to_kmh = 3.6;
       6             :     static const double _msec_to_mih = 2.23693629;
       7             :     static const double _msec_to_knot = 1.94384449;
       8             : 
       9             :     ///other measurements to meters per second
      10             :     static const double _kmh_to_msec = 0.27777777777778;
      11             :     static const double _mih_to_msec = 0.44704;
      12             :     static const double _knot_to_msec = 0.514444444;
      13             : 
      14             :     /*
      15             :    * The value of this Speed object in m/s = meter per second .
      16             :    */
      17             :     final double _speed;
      18             : 
      19           1 :     const Speed.fromMeterPerSecond({double value : 0.0})   : _speed = value;
      20           2 :     const Speed.fromKilometerPerHour({double value : 0.0}) : _speed = _kmh_to_msec * value;
      21           2 :     const Speed.fromMilePerHour({double value: 0.0})       : _speed = _mih_to_msec * value;
      22           2 :     const Speed.fromKnot({double value: 0.0})              : _speed = _knot_to_msec * value;
      23             : 
      24           2 :     double get inMeterPerSecond   => _returnValueOrZero(_speed);
      25           3 :     double get inKilometerPerHour => _returnValueOrZero(_msec_to_kmh * _speed);
      26           3 :     double get inMilePerHour      => _returnValueOrZero(_msec_to_mih * _speed);
      27           3 :     double get inKnot             => _returnValueOrZero(_msec_to_knot * _speed);
      28             : 
      29           3 :     double _returnValueOrZero(double value) => value >= 0.0 ? double.parse(value.toStringAsFixed(6)) : 0.0;
      30             : 
      31             :     /**
      32             :      * Compares this Speed to [other], returning zero if the values are equal.
      33             :      *
      34             :      * Returns a negative integer if this `Speed` is shorter than
      35             :      * [other], or a positive integer if it is longer.
      36             :      *
      37             :      * A negative `Speed` is always considered shorter than a positive one.
      38             :      *
      39             :      */
      40           3 :     int compareTo(Speed other) => _speed.compareTo(other._speed);
      41             : }

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