LCOV - code coverage report
Current view: top level - src - length.dart (source / functions) Hit Total Coverage
Test: coverage.lcov Lines: 8 8 100.0 %
Date: 2017-10-13 11:19:36 Functions: 0 0 -

          Line data    Source code
       1             : import 'dart:math';
       2             : 
       3             : class Length implements Comparable<Length> {
       4             :     /// 1 meter
       5             :     static const double _one_meter = 0.999999690624;
       6             : 
       7             :     ///meters to kilometers: meters * 10^-3
       8             :     static const double _m_to_km = 0.001;
       9             :     /// meters to miles: meters * 6.21371192 * 10^-4
      10             :     static const double _m_to_mi = 6.21371192 * 0.0001;
      11             : 
      12             :     ///kilometers to meters: km * 10^3
      13             :     static const double _km_to_m = 1000.0;
      14             :     ///miles to meters: mi * 1.6093440 * 10^3
      15             :     static const double _mi_to_m = 1.6093440 * 1000;
      16             :     /*
      17             :    * The value of this Length object in meters.
      18             :    */
      19             :     final double _length;
      20             : 
      21           1 :     Length.fromMeters({double value : 0.0})     : _length = value;
      22           2 :     Length.fromKilometers({double value : 0.0}) : _length = value * _km_to_m;
      23           2 :     Length.fromMiles({double value : 0.0})      : _length = value * _mi_to_m;
      24             : 
      25           2 :     double get inMeters     => _returnValueOrZero(_length);
      26           3 :     double get inKilometers => _returnValueOrZero(_length * _m_to_km);
      27           3 :     double get inMiles      => _returnValueOrZero(_length * _m_to_mi);
      28           3 :     double _returnValueOrZero(num value) => value >= 0.0 ? double.parse(value.toStringAsFixed(6)) : 0.0;
      29             : 
      30             :     /**
      31             :      * Compares this Length to [other], returning zero if the values are equal.
      32             :      *
      33             :      * Returns a negative integer if this `Length` is shorter than
      34             :      * [other], or a positive integer if it is longer.
      35             :      *
      36             :      * A negative `Length` is always considered shorter than a positive one.
      37             :      *
      38             :      */
      39           3 :     int compareTo(Length other) => _length.compareTo(other._length);
      40             : }

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