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
|
#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
use Future;
use Future::Utils qw( repeat );
# generate without otherwise
{
my $trial_f;
my $arg;
my $i = 0;
my $future = repeat {
$arg = shift;
return $trial_f = Future->new;
} generate => sub { $i < 3 ? ++$i : () };
is( $arg, 1, '$arg 1 for first iteration' );
$trial_f->done;
ok( !$future->is_ready, '$future not ready' );
is( $arg, 2, '$arg 2 for second iteratoin' );
$trial_f->done( "not yet" );
ok( !$future->is_ready, '$future still not ready' );
is( $arg, 3, '$arg 3 for third iteration' );
$trial_f->done( "result" );
ok( $future->is_ready, '$future now ready' );
is( scalar $future->result, "result", '$future->result' );
}
# generate otherwise
{
my $last_trial_f;
my $i = 0;
my $future = repeat {
Future->done( "ignore me $_[0]" );
} generate => sub { $i < 3 ? ++$i : () },
otherwise => sub {
$last_trial_f = shift;
return Future->fail( "Nothing succeeded\n" );
};
is( scalar $future->failure, "Nothing succeeded\n", '$future returns otherwise failure' );
is( scalar $last_trial_f->result, "ignore me 3", '$last_trial_f->result' );
$future = repeat {
Future->done( "ignore me" );
} generate => sub { () },
otherwise => sub { Future->fail( "Nothing to do\n" ) };
is( scalar $future->failure, "Nothing to do\n", '$future returns otherwise failure for empty generator' );
}
# Probably don't need much more testing since most combinations are test with
# foreach - while/until, die, etc..
done_testing;
|
