/
relational.t
259 lines (213 loc) · 10.5 KB
/
relational.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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
use v6;
use Test;
plan 179;
## N.B.: Tests for infix:«<=>» (spaceship) and infix:<cmp> belong
## in F<t/S03-operators/comparison.t>.
#L<S03/Chaining binary precedence>
# from t/operators/relational.t
## numeric relationals ( < , >, <=, >= )
ok(1 < 2, '1 is less than 2');
ok(!(2 < 1), '2 is ~not~ less than 1');
ok 1/4 < 3/4, '1/4 is less than 3/4';
ok !(3/4 < 1/4), '3/4 is not less than 1/4';
ok 1/2 < 1, '1/2 is less than 1';
ok !(1 < 1/2), '1 is not less than 1/2';
ok(2 > 1, '2 is greater than 1');
ok(!(1 > 2), '1 is ~not~ greater than 2');
ok 3/4 > 1/4, '3/4 is greater than 1/4';
ok !(1/4 > 3/4), '1/2 is not greater than 3/4';
ok 1 > 1/2, '1 is greater than 1/2';
ok !(1/2 > 1), '1/2 is not greater than 1';
ok(1 <= 2, '1 is less than or equal to 2');
ok(1 <= 1, '1 is less than or equal to 1');
ok(!(1 <= 0), '1 is ~not~ less than or equal to 0');
ok 1/4 <= 3/4, '1/4 is less than or equal to 3/4';
ok !(3/4 <= 1/4), '3/4 is not less than or equal to 1/4';
ok 1/2 <= 1, '1/2 is less than or equal to 1';
ok !(1 <= 1/2), '1 is not less than or equal to 1/2';
ok 1/2 <= 1/2, '1/2 is less than or equal to 1/2';
ok(2 >= 1, '2 is greater than or equal to 1');
ok(2 >= 2, '2 is greater than or equal to 2');
ok(!(2 >= 3), '2 is ~not~ greater than or equal to 3');
ok !(1/4 >= 3/4), '1/4 is greater than or equal to 3/4';
ok 3/4 >= 1/4, '3/4 is not greater than or equal to 1/4';
ok !(1/2 >= 1), '1/2 is greater than or equal to 1';
ok 1 >= 1/2, '1 is not greater than or equal to 1/2';
ok 1/2 >= 1/2, '1/2 is greater than or equal to 1/2';
# Ensure that these operators actually return Bool::True or Bool::False
is(1 < 2, Bool::True, '< true');
is(1 > 0, Bool::True, '> true');
is(1 <= 2, Bool::True, '<= true');
is(1 >= 0, Bool::True, '>= true');
is(1 < 0, Bool::False, '< false');
is(1 > 2, Bool::False, '> false');
is(1 <= 0, Bool::False, '<= false');
is(1 >= 2, Bool::False, '>= false');
## string relationals ( lt, gt, le, ge )
ok('a' lt 'b', 'a is less than b');
ok(!('b' lt 'a'), 'b is ~not~ less than a');
ok('b' gt 'a', 'b is greater than a');
ok(!('a' gt 'b'), 'a is ~not~ greater than b');
ok('a' le 'b', 'a is less than or equal to b');
ok('a' le 'a', 'a is less than or equal to a');
ok(!('b' le 'a'), 'b is ~not~ less than or equal to a');
ok('b' ge 'a', 'b is greater than or equal to a');
ok('b' ge 'b', 'b is greater than or equal to b');
ok(!('b' ge 'c'), 'b is ~not~ greater than or equal to c');
# +'a' is 0. This means 1 is less than 'a' in numeric context but not string
ok(!('a' lt '1'), 'lt uses string context');
ok(!('a' le '1'), 'le uses string context (1)');
ok(!('a' le '0'), 'le uses string context (2)');
ok('a' gt '1', 'gt uses string context');
ok('a' ge '1', 'ge uses string context (1)');
ok('a' ge '0', 'ge uses string context (2)');
# Ensure that these operators actually return Bool::True or Bool::False
is('b' lt 'c', Bool::True, 'lt true');
is('b' gt 'a', Bool::True, 'gt true');
is('b' le 'c', Bool::True, 'le true');
is('b' ge 'a', Bool::True, 'ge true');
is('b' lt 'a', Bool::False, 'lt false');
is('b' gt 'c', Bool::False, 'gt false');
is('b' le 'a', Bool::False, 'le false');
is('b' ge 'c', Bool::False, 'ge false');
# RT #127272
is ('a' xx 1000).map(+('a' le *)).index(0), Nil, 'le is ok over many iterations';
is ('a' xx 1000).map(+('a' ge *)).index(0), Nil, 'ge is ok over many iterations';
is ('b' xx 1000).map(+('a' lt *)).index(0), Nil, 'lt is ok over many iterations';
is ('a' xx 1000).map(+('b' gt *)).index(0), Nil, 'gt is ok over many iterations';
## Multiway comparisons (RFC 025)
# L<S03/"Chained comparisons">
ok(5 > 4 > 3, "chained >");
ok(3 < 4 < 5, "chained <");
ok(5 == 5 > -5, "chained mixed = and > ");
ok(!(3 > 4 < 5), "chained > and <");
ok(5 <= 5 > -5, "chained <= and >");
ok(-5 < 5 >= 5, "chained < and >=");
is(5 > 1 < 10, 5 > 1 && 1 < 10, 'chained 5 > 1 < 10');
is(5 < 1 < 10, 5 < 1 && 1 < 10, 'chained 5 < 1 < 10');
ok('e' gt 'd' gt 'c', "chained gt");
ok('c' lt 'd' lt 'e', "chained lt");
ok('e' eq 'e' gt 'a', "chained mixed = and gt ");
ok(!('c' gt 'd' lt 'e'), "chained gt and lt");
ok('e' le 'e' gt 'a', "chained le and gt");
ok('a' lt 'e' ge 'e', "chained lt and ge");
is('e' gt 'a' lt 'j', 'e' gt 'a' && 'a' lt 'j', 'e gt a lt j');
is('e' lt 'a' lt 'j', 'e' lt 'a' && 'a' lt 'j', 'e lt a lt j');
ok("5" gt "4" gt "3", "5 gt 4 gt 3 chained str comparison");
ok("3" lt "4" lt "5", "3 lt 4 gt 5 chained str comparison");
ok(!("3" gt "4" lt "5"), "!(3 gt 4 lt 5) chained str comparison");
ok("5" eq "5" gt "0", '"5" eq "5" gt "0" chained str comparison with equality');
ok("5" le "5" gt "0", "5 le 5 gt 0 chained str comparison with le");
ok("0" lt "5" ge "5", "0 lt 5 ge 5 chained comparison with ge");
is(0 ~~ 0 ~~ 0, 0 ~~ 0 && 0 ~~ 0, "chained smartmatch ~~ ~~ true (0)");
is(1 ~~ 1 ~~ 1, 1 ~~ 1 && 1 ~~ 1, "chained smartmatch ~~ ~~ true (1)");
is(0 ~~ 0 ~~ 1, 0 ~~ 0 && 0 ~~ 1, "chained smartmatch ~~ ~~ false");
is(0 ~~ 0 == 0, 0 ~~ 0 && 0 == 0, "chained smartmatch ~~ ==");
is(0 == 0 ~~ 0, 0 == 0 && 0 ~~ 0, "chained smartmatch == ~~");
is(0 ~~ 0 !~~ 0, 0 ~~ 0 && 0 !~~ 0, "chained smartmatch ~~ !~~ false");
is(0 ~~ 0 !~~ 1, 0 ~~ 0 && 0 !~~ 1, "chained smartmatch ~~ !~~ true");
is("a" lt "foo" ~~ "foo" ge "bar", "a" lt "foo" && "foo" ~~ "foo" && "foo" ge "bar", "chained mixed ~~ and ge");
ok( 0 ~~ 0 ~~ /0/, "chained smartmatch ~~ ~~ with regex true");
nok(0 ~~ 0 ~~ /1/, "chained smartmatch ~~ ~~ with regex false");
ok( 0 == 0 ~~ /0/, "chained smartmatch == ~~ with regex");
is(0 == 0 ~~ (* == 0), 0 ~~ 0 && 0 ~~ (* == 0), "chained smartmatch == ~~ with closure");
{
my $a = my $b = my $c = "pink";
is($a ~~ $b ~~ $c, $a ~~ $b && $b ~~ $c, "chained smartmatch ~~ ~~ with variables true");
$b = "blue";
is($a ~~ $b ~~ $c, $a ~~ $b && $b ~~ $c, "chained smartmatch ~~ ~~ with variables false");
}
is 1 !before 2 !before 3, 1 !before 2 && 2 !before 3, 'chained !before';
is 1 !after 2 !after 2, 1 !after 2 && 2 !after 2, 'chained !after';
#?rakudo 2 todo 'RT #121987'
is 3 !> 3 !> 1, 3 !> 3 && 3 !> 1, 'chained !>';
is 3 !< 3 !< 2, 3 !< 3 && 3 !< 2, 'chained !<';
# make sure we don't have "padding" or "trimming" semantics
ok("a" lt "a\0", 'a lt a\0');
ok("a" lt "a ", 'a lt a\x20');
ok("a\0" gt "a", 'a\0 gt a');
ok("a " gt "a", 'a\x20 gt a');
# test NaN relational ops
is(NaN == 1, Bool::False, 'NaN == 1');
is(NaN < 1, Bool::False, 'NaN < 1');
is(NaN <= 1, Bool::False, 'NaN <= 1');
is(NaN > 1, Bool::False, 'NaN > 1');
is(NaN >= 1, Bool::False, 'NaN >= 1');
is(NaN != 1, Bool::True, 'NaN != 1');
is(1 == NaN, Bool::False, '1 == NaN');
is(1 < NaN, Bool::False, '1 < NaN');
is(1 <= NaN, Bool::False, '1 <= NaN');
is(1 > NaN, Bool::False, '1 > NaN');
is(1 >= NaN, Bool::False, '1 >= NaN');
is(1 != NaN, Bool::True, '1 != NaN');
is(NaN == NaN, Bool::False, 'NaN == NaN');
is(NaN < NaN, Bool::False, 'NaN < NaN');
is(NaN <= NaN, Bool::False, 'NaN <= NaN');
is(NaN > NaN, Bool::False, 'NaN > NaN');
is(NaN >= NaN, Bool::False, 'NaN >= NaN');
is(NaN != NaN, Bool::True, 'NaN != NaN');
# regression test for rakudo failure 2012-07-08 (pmichaud)
# Int,Rat comparisons
is(7 == 2.4, False, 'Int == Rat');
is(7 != 2.4, True , 'Int != Rat');
is(7 < 2.4, False, 'Int < Rat');
is(7 <= 2.4, False, 'Int <= Rat');
is(7 > 2.4, True , 'Int > Rat');
is(7 >= 2.4, True , 'Int >= Rat');
is(7 <=> 2.4, Order::More, 'Int <=> Rat');
# Rat,Int comparisons
is(2.4 == 7, False, 'Rat == Int');
is(2.4 != 7, True , 'Rat != Int');
is(2.4 < 7, True , 'Rat < Int');
is(2.4 <= 7, True , 'Rat <= Int');
is(2.4 > 7, False, 'Rat > Int');
is(2.4 >= 7, False, 'Rat >= Int');
is(2.4 <=> 7, Order::Less, 'Rat <=> Int');
ok exp(i * pi) =~= -1, "=~= does approximate equality";
ok exp(i * pi) ≅ -1, "≅ does approximate equality";
is sqrt((-1).Complex) ≅ 0+1i, True, "can use approximate on Complex with negligible real";
is sqrt((-1).Complex) ≅ 0+2i, False, "can use approximate on Complex with non-negligible real";
is sqrt((-1).Complex) ≅ 0+(1+1e-17)i, True, "can use approximate on Complex";
is-deeply ∞ ≅ ∞, Bool::True, ' ∞ ≅ ∞ gives True';
is-deeply -∞ ≅ -∞, Bool::True, '-∞ ≅ -∞ gives True';
is-deeply ∞ =~= ∞, Bool::True, ' ∞ =~= ∞ gives True';
is-deeply -∞ =~= -∞, Bool::True, '-∞ =~= -∞ gives True';
is-deeply ∞ ≅ -∞, Bool::False, ' ∞ ≅ -∞ gives False';
is-deeply -∞ ≅ ∞, Bool::False, '-∞ ≅ ∞ gives False';
is-deeply ∞ =~= -∞, Bool::False, ' ∞ =~= -∞ gives False';
is-deeply -∞ =~= ∞, Bool::False, '-∞ =~= ∞ gives False';
{
my $*TOLERANCE = 0.1;
ok 1.01 =~= 1, '=~= pays attention to $*TOLERANCE (More)';
ok 0.99 =~= 1, '=~= pays attention to $*TOLERANCE (Less)';
ok 1.01 ≅ 1, '≅ pays attention to $*TOLERANCE (More)';
ok 0.99 ≅ 1, '≅ pays attention to $*TOLERANCE (Less)';
nok 1.2 ≅ 1, '≅ pays attention to $*TOLERANCE (more More)';
nok 0.8 ≅ 1, '≅ pays attention to $*TOLERANCE (more Less)';
# ≅ is scaled up to larger arg
ok 101 =~= 100, '=~= pays attention to scaled-up $*TOLERANCE (More)';
ok 99 =~= 100, '=~= pays attention to scaled-up $*TOLERANCE (Less)';
ok 101 ≅ 100, '≅ pays attention to scaled-up $*TOLERANCE (More)';
ok 99 ≅ 100, '≅ pays attention to scaled-up $*TOLERANCE (Less)';
nok 120 ≅ 100, '≅ pays attention to scaled-up $*TOLERANCE (more More)';
nok 80 ≅ 100, '≅ pays attention to scaled-up $*TOLERANCE (more Less)';
# ≅ is scaled down to larger arg
ok 0.00101 =~= .001, '=~= pays attention to scaled-down $*TOLERANCE (More)';
ok 0.00099 =~= .001, '=~= pays attention to scaled-down $*TOLERANCE (Less)';
ok 0.00101 ≅ .001, '≅ pays attention to scaled-down $*TOLERANCE (More)';
ok 0.00099 ≅ .001, '≅ pays attention to scaled-down $*TOLERANCE (Less)';
nok 0.00120 ≅ .001, '≅ pays attention to scaled-down $*TOLERANCE (more More)';
nok 0.00080 ≅ .001, '≅ pays attention to scaled-down $*TOLERANCE (more Less)';
# RT#128421
nok 100 =~= -100, '=~= correctly handles pos=~=neg comparison';
nok -100 =~= 100, '=~= correctly handles pos=~=neg comparison (reversed)';
nok 100 ≅ -100, '≅ correctly handles pos≅neg comparison';
nok -100 ≅ 100, '≅ correctly handles pos≅neg comparison (reversed)';
}
{ # coverage; 2016-09-19
is-deeply infix:<before>(42), Bool::True, 'single arg `before` gives True';
is-deeply infix:<before>(), Bool::True, ' no arg `before` gives True';
is-deeply infix:<after>(42), Bool::True, 'single arg `after` gives True';
is-deeply infix:<after>(), Bool::True, ' no arg `after` gives True';
}
# vim: ft=perl6