/
int.t
140 lines (116 loc) · 4.41 KB
/
int.t
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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
use v6;
use Test;
plan 107;
# L<S32::Numeric/Real/=item truncate>
# truncate and .Int are synonynms.
# Possibly more tests for truncate should be added here, too.
=begin pod
Basic tests for the int() builtin
=end pod
# basic sanity:
is(-0, 0, '-0 is the same as 0 - hey, they are integers ;-)');
isa-ok( EVAL(1.perl), Int, 'EVAL 1.perl is Int' );
is( EVAL(1.perl), 1, 'EVAL 1.perl is 1' );
isa-ok( EVAL((-12).perl), Int, 'EVAL -12.perl is Int' );
is( EVAL((-12).perl), -12, 'EVAL -12.perl is -12' );
isa-ok( EVAL(0.perl), Int, 'EVAL 0.perl is Int' );
is( EVAL(0.perl), 0, 'EVAL 0.perl is 0' );
isa-ok( EVAL((-0).perl), Int, 'EVAL -0.perl is Int' );
is( EVAL((-0).perl), -0, 'EVAL -0.perl is 0' );
is((-1).Int, -1, "(-1).Int is -1");
is(0.Int, 0, "0.Int is 0");
is(1.Int, 1, "1.Int is 1");
is(3.14159265.Int, 3, "3.14159265.Int is 3");
is((-3.14159265).Int, -3, "(-3.14159265).Int is -3");
is(0.999.Int, 0, "0.999.Int is 0");
is(0.51.Int, 0, "0.51.Int is 0");
is(0.5.Int, 0, "0.5.Int is 0");
is(0.49.Int, 0, "0.49.Int is 0");
is(0.1.Int, 0, "0.1.Int is 0");
isa-ok(0.1.Int, Int, '0.1.Int returns an Int');
is((-0.999).Int, 0, "(-0.999).Int is 0");
is((-0.51).Int, 0, "(-0.51).Int is 0");
is((-0.5).Int, 0, "(-0.5).Int is 0");
is((-0.49).Int, 0, "(-0.49).Int is 0");
is((-0.1).Int, 0, "(-0.1).Int is 0");
isa-ok((-0.1).Int, Int, 'int(-0.1) returns an Int');
is(1.999.Int, 1, "int(1.999) is 1");
is(1.51.Int, 1, "int(1.51) is 1");
is(1.5.Int, 1, "int(1.5) is 1");
is(1.49.Int, 1, "int(1.49) is 1");
is(1.1.Int, 1, "int(1.1) is 1");
is((-1.999).Int, -1, "int(-1.999) is -1");
is((-1.51).Int, -1, "int(-1.51) is -1");
is((-1.5).Int, -1, "int(-1.5) is -1");
is((-1.49).Int, -1, "int(-1.49) is -1");
is((-1.1).Int, -1, "int(-1.1) is -1");
is(1.999.Num.Int, 1, "int(1.999.Num) is 1");
is(1.1.Num.Int, 1, "int(1.1.Num) is 1");
is((-1.999).Num.Int, -1, "int(-1.999.Num) is -1");
is((-1.1).Num.Int, -1, "int(-1.1.Num) is -1");
nok ?0, "?0 is false";
isa-ok ?0, Bool, "?0 is Bool";
ok ?1, "?1 is true";
isa-ok ?1, Bool, "?1 is Bool";
ok ?42, "?42 is true";
isa-ok ?42, Bool, "?42 is Bool";
nok 0.Bool, "0.Bool is false";
isa-ok 0.Bool, Bool, "0.Bool is Bool";
ok 1.Bool, "1.Bool is true";
isa-ok 1.Bool, Bool, "1.Bool is Bool";
ok 42.Bool, "42.Bool is true";
isa-ok 42.Bool, Bool, "42.Bool is Bool";
is('-1.999'.Int, -1, "int('-1.999') is -1");
#?niecza 3 skip "0x, 0d, and 0o NYI"
is('0x123'.Int, 0x123, "int('0x123') is 0x123");
is('0d456'.Int, 0d456, "int('0d456') is 0d456");
throws-like q['0o678'.Int], X::Str::Numeric,
'conversion from string to number fails because of trailing characters (1)';
throws-like q['3e4d5'.Int], X::Str::Numeric,
'conversion from string to number fails because of trailing characters (2)';
#?DOES 24
{
sub __int( $s ) {
my $pos = $s.index('.');
if defined($pos) { return substr($s, 0, $pos); }
return $s;
};
# Check the defaulting to $_
for 0, 0.0, 1, 50, 60.0, 99.99, 0.4, 0.6, -1, -50, -60.0, -99.99 {
my $int = __int($_.Num);
is(.Int, $int, "integral value for $_ is $int");
isa-ok(.Int, Int);
}
}
#?DOES 1
# Special values
is((1.9e3).Int, 1900, "int 1.9e3 is 1900");
#?rakudo 3 todo 'Inf and NaN NYI for Int RT #124818'
is((Inf).Int, Inf, "int Inf is Inf");
is((-Inf).Int, -Inf, "int -Inf is -Inf");
is((NaN).Int, NaN, "int NaN is NaN");
# RT #65132
throws-like 'int 3.14', X::Syntax::Confused,
'dies: int 3.14 (prefix:int is gone)';
is 0.lsb, Nil, "0.lsb is Nil";
is 1.lsb, 0, "1.lsb is 0";
is 2.lsb, 1, "2.lsb is 1";
is 256.lsb, 8, "256.lsb is 8";
is (-1).lsb, 0, "(-1).lsb is 0"; # 1111 1111
is (-2).lsb, 1, "(-2).lsb is 1"; # 1111 1110
is (-126).lsb, 1, "(-126).lsb is 1"; # 1000 0010
is (-127).lsb, 0, "(-127).lsb is 0"; # 1000 0001
is (-128).lsb, 7, "(-128).lsb is 7"; # 1000 0000
is (-32768).lsb, 15, "(-32768).lsb is 15";
is 0.msb, Nil, "0.msb is Nil";
is 1.msb, 0, "1.msb is 0";
is 2.msb, 1, "2.msb is 1";
is 256.msb, 8, "256.msb is 8";
is (-1).msb, 0, "(-1).msb is 0"; # 1111 1111
is (-2).msb, 1, "(-2).msb is 1"; # 1111 1110
is (-126).msb, 7, "(-126).msb is 7"; # 1000 0010
is (-127).msb, 7, "(-127).msb is 7"; # 1000 0001
is (-128).msb, 7, "(-128).msb is 7"; # 1000 0000
is (-129).msb, 8, "(-129).msb is 8";
is (-32768).msb, 15, "(-32768).msb is 15";
# vim: ft=perl6