File: x_to_y.t

package info (click to toggle)
libnumber-tolerant-perl 1.710-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm, forky, sid, trixie
  • size: 372 kB
  • sloc: perl: 757; makefile: 10
file content (109 lines) | stat: -rw-r--r-- 4,487 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
use Test::More tests => 71;

use strict;
use warnings;

BEGIN { use_ok("Number::Tolerant"); }

my $guess = Number::Tolerant->new(4.5 => to => 5.5);

ok($guess, "created our object");

isa_ok($guess, "Number::Tolerant", " ... ");

is("$guess", "4.5 <= x <= 5.5", " ... stringifies properly");

is($guess->numify, undef, " ... numifies properly");

ok(0.0 != $guess,         " ... 0.0 isn't equal to it");
ok(4.4 != $guess,         " ... 4.4 isn't equal to it");
ok(4.5 == $guess,         " ... 4.5 is equal to it");
ok(5.0 == $guess,         " ... 5.0 is equal to it");
ok(5.5 == $guess,         " ... 5.5 is equal to it");
ok(5.6 != $guess,         " ... 5.6 isn't equal to it");
ok(6.0 != $guess,         " ... 6.0 isn't equal to it");

ok(     4.4 < $guess,     " ... 4.4 is less than it");
ok(not( 4.5 < $guess),    " ... 4.5 isn't less than it");
ok(not( 5.0 < $guess),    " ... 5.0 isn't less than it");
ok(not( 5.5 < $guess),    " ... 5.5 isn't less than it");
ok(not( 5.6 < $guess),    " ... 5.6 isn't less than it");

ok(     4.4 <= $guess,     " ... 4.4 is less than or equal to it");
ok(     4.5 <= $guess,     " ... 4.5 is less than or equal to it");
ok(     5.0 <= $guess,     " ... 5.0 is less than or equal to it");
ok(     5.5 <= $guess,     " ... 5.5 is less than or equal to it");
ok(not( 5.6 <= $guess),    " ... 5.6 isn't less than or equal to it");

ok(not( 4.4 > $guess),    " ... 4.4 isn't more than it");
ok(not( 4.5 > $guess),    " ... 4.5 isn't more than it");
ok(not( 5.0 > $guess),    " ... 5.0 isn't more than it");
ok(not( 5.5 > $guess),    " ... 5.5 isn't more than it");
ok(     5.6 > $guess,     " ... 5.6 is more than it");

ok(not( 4.4 >= $guess),    " ... 4.4 isn't more than or equal to it");
ok(     4.5 >= $guess,     " ... 4.5 is more than or equal to it");
ok(     5.0 >= $guess,     " ... 5.0 is more than or equal to it");
ok(     5.5 >= $guess,     " ... 5.5 is more than or equal to it");
ok(     5.6 >= $guess,     " ... 5.6 is more than or equal to it");

is( (4 <=> $guess), -1,   " ... 4 <=> it is -1");
is( (5 <=> $guess),  0,   " ... 5 <=> it is  0");
is( (6 <=> $guess), +1,   " ... 6 <=> it is +1");

# ... and now more of the same, BACKWARDS

ok($guess != 0.0,         " ... it isn't equal to 0.0");
ok($guess != 4.4,         " ... it isn't equal to 4.4");
ok($guess == 4.5,         " ... it is equal to 4.5");
ok($guess == 5.0,         " ... it is equal to 5.0");
ok($guess == 5.5,         " ... it is equal to 5.5");
ok($guess != 5.6,         " ... it isn't equal to 5.6");
ok($guess != 6.0,         " ... it isn't equal to 6.0");

ok(not( $guess < 4.4),    " ... it isn't less than 4.4");
ok(not( $guess < 4.5),    " ... it isn't less than 4.5");
ok(not( $guess < 5.0),    " ... it isn't less than 5.0");
ok(not( $guess < 5.5),    " ... it isn't less than 5.5");
ok(     $guess < 5.6,     " ... it is less than 5.6");

ok(not( $guess <= 4.4),    " ... it isn't less than or equal to 4.4");
ok(     $guess <= 4.5,     " ... it is less than or equal to 4.5");
ok(     $guess <= 5.0,     " ... it is less than or equal to 5.0");
ok(     $guess <= 5.5,     " ... it is less than or equal to 5.5");
ok(     $guess <= 5.6,     " ... it is less than or equal to 5.6");

ok(     $guess > 4.4,     " ... it is more than 4.4");
ok(not( $guess > 4.5),    " ... it isn't more than 4.5");
ok(not( $guess > 5.0),    " ... it isn't more than 5.0");
ok(not( $guess > 5.5),    " ... it isn't more than 5.5");
ok(not( $guess > 5.6),    " ... it isn't more than 5.6");

ok(     $guess >= 4.4,     " ... it is more than or equal to 4.4");
ok(     $guess >= 4.5,     " ... it is more than or equal to 4.5");
ok(     $guess >= 5.0,     " ... it is more than or equal to 5.0");
ok(     $guess >= 5.5,     " ... it is more than or equal to 5.5");
ok(not( $guess >= 5.6),    " ... it isn't more than or equal to 5.6");

is( ($guess <=> 4), +1,   " ... 4 <=> it is -1");
is( ($guess <=> 5),  0,   " ... 5 <=> it is  0");
is( ($guess <=> 6), -1,   " ... 6 <=> it is +1");

{ # from_string
  { # prosaic
    my $tol = Number::Tolerant->from_string("8 to 12");
    isa_ok($tol, 'Number::Tolerant');
    is($tol, "8 <= x <= 12", "to");
  }
  { # algebraic
    my $tol = Number::Tolerant->from_string("8 <= x <= 12");
    isa_ok($tol, 'Number::Tolerant');
    is($tol, "8 <= x <= 12", "to");
  }
  { # reverse algebraic
    my $tol = Number::Tolerant->from_string("12 >= x >= 8");
    isa_ok($tol, 'Number::Tolerant');
    is($tol, "8 <= x <= 12", "to");
  }
}