forked from Raku/roast
-
Notifications
You must be signed in to change notification settings - Fork 0
/
leave.t
207 lines (151 loc) · 3.79 KB
/
leave.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
use v6;
use Test;
# Basic &leave tests
# L<S06/"The C<leave> function">
plan 23;
{
my $bare = { leave 42; 23 };
is $bare(), 42, 'basic leave() works';
}
#?pugs emit flunk '&?BLOCK.leave() not implemented in Pugs's interpreter core yet', :todo<feature>;
#?pugs emit skip_rest; exit;
{
my $bare = { &?BLOCK.leave(42); 23 };
is $bare(), 42, 'basic leave() is equivalent to &?BLOCK.leave()';
}
{
my $bare = { &?BLOCK.leave: 42; 23 };
is $bare(), 42, 'basic method leave works as colon listop';
}
{
my $bare = { leave &?BLOCK: 42; 23 };
is $bare(), 42, 'basic method leave works with indirect object';
}
{
my @bare = [41, do { leave; 23 }, 43 ];
is @bare, [41,43], 'basic leave returns null list in list context';
}
{
my @bare = [41, do { 21 + leave() + 23 }, 43 ];
is @bare, [41,43], 'basic leave() returns null list in list context';
}
{
my @bare = [41, do { &?BLOCK.leave; 23 }, 43 ];
is @bare, [41,43], 'basic &?BLOCK.leave returns null list in list context';
}
{
my @bare = [41, do { 21 + &?BLOCK.leave() + 23 }, 43 ];
is @bare, [41,43], 'basic &?BLOCK.leave() returns null list in list context';
}
{
my @bare = [41, do { leave &?BLOCK: ; 23 }, 43 ];
is @bare, [41,43], 'basic leave &?BLOCK: returns null list in list context';
}
{
my @bare = [41, do { 21 + (leave &?BLOCK:) + 23 }, 43 ];
is @bare, [41,43], 'basic leave &?BLOCK: returns null list in list context';
}
{
my @bare = [41, do { leave 42, 43; 23 }, 44 ];
is @bare, [41,42,43,44], 'basic leave returns valid list in list context';
}
{
my @bare = [41, do { 21 + leave(42, 43) + 23 }, 44 ];
is @bare, [41,42,43,44], 'basic leave() returns valid list in list context';
}
{
my @bare = [41, do { 21 + &?BLOCK.leave(42,43) + 23 }, 44 ];
is @bare, [41,42,43,44], 'basic &?BLOCK.leave() returns valid list in list context';
}
{
my @bare = [41, do { leave &?BLOCK: 42, 43; 23 }, 44 ];
is @bare, [41,42,43,44], 'basic leave &?BLOCK: returns valid list in list context';
}
{
my @bare = [41, do { 21 + (leave &?BLOCK: 42, 43) + 23 }, 44 ];
is @bare, [41,42,43,44], 'basic leave &?BLOCK: returns valid list in list context';
}
{
my $sub = sub () {
my $bare = { leave 42; 23 };
my $ret = $bare();
return 1000 + $ret;
};
is $sub(), 1042, 'leave() works and leaves only the innermost block';
}
{
my $sub = sub () {
&?ROUTINE.leave(42);
return 23;
};
is $sub(), 42, 'leave() works with &?ROUTINE as invocant';
}
{
my $outer = sub () {
my $inner = sub () {
my $most_inner = sub () {
leave $outer: 42;
return 23;
};
$most_inner();
return 22;
};
$inner();
return 21;
}
is $outer(), 42, 'nested leave() works with a subref as invocant';
}
{
my $sub = sub () {
my $bare = sub () {
Block.leave: 42;
return 23;
};
my $ret = $bare();
return 1000 + $ret;
};
is $sub(), 1042, 'leave() works with a Class (Block) as invocant';
}
{
my $sub = sub () {
my $bare = sub () {
leave Sub: 42;
return 23;
};
my $ret = $bare();
return 1000 + $ret;
};
is $sub(), 42, 'leave() works with a Class (Sub) as invocant';
}
{
my $sub = sub () {
LABEL: for 1..10 -> $n {
for 'a' .. 'b' -> $a {
LABEL.leave(42);
"$a,$n";
}
}
}
is $sub(), 42, 'leave() works with a loop label';
}
eval q[[
my $sub = sub () {
eager do # XXX without eager would require time travel
LABEL: for 1..10 -> $n {
for 'a' .. 'b' -> $a {
LABEL.leave(42,43); # note, must cancel ordinary list comprehension!
"$a,$n";
}
}
}
is [$sub()], [42,43], 'leave() works with a loop label in list context';
]];
eval q[[
my $sub = sub () {
do LABEL: {
LABEL.leave(42);
} + 1000;
}
is $sub(), 1042, 'leave() works with an internal do label';
]];
# vim: ft=perl6