dmocks.interval source code

1 module dmocks.interval;
2 
3 import dmocks.util;
4 import std.conv;
5 import std.exception;
6 
7 package:
8 
9 struct Interval 
10 {
11     bool Valid () { return Min <= Max; }
12 
13     private int _min;
14     private int _max;
15 
16     @property int Min()
17     {
18         return _min;
19     }
20 
21     @property int Max()
22     {
23         return _max;
24     }
25 
26     string toString () const
27     {
28         if (_min == _max)
29             return std.conv.to!string(_min);
30         return std.conv.to!string(_min) ~ ".." ~ std.conv.to!string(_max);
31     }
32 
33     this (int min, int max) 
34     {
35         this._min = min;
36         this._max = max;
37         enforceValid();
38     }
39 
40     void enforceValid()
41     {
42         enforceEx!MocksSetupException(Valid, "Interval: invalid interval range: "~ toString());
43     }
44 }
45 
46 unittest
47 {
48     Interval t = Interval(1, 2);
49     assert (to!string(t) == "1..2");
50 }
51 
52 unittest
53 {
54     Interval t = Interval(1, 1);
55     assert (to!string(t) == "1");
56 }