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
|
Test no feature smartmatch
__END__
# NAME default
my @x = qw(a b c);
my $y = "b" ~~ @x;
EXPECT
########
# NAME explicit disable
no feature "smartmatch";
my @x = qw(a b c);
my $y = "b" ~~ @x;
EXPECT
OPTION fatal
syntax error at - line 3, near ""b" ~"
Execution of - aborted due to compilation errors.
########
# NAME explicit enable
use feature "smartmatch";
my @x = qw(a b c);
my $y = "b" ~~ @x;
EXPECT
########
# NAME explicit disable then enable
no feature "smartmatch";
use feature "smartmatch";
my @x = qw(a b c);
my $y = "b" ~~ @x;
EXPECT
########
# NAME implicit disable
use v5.41;
my @x = qw(a b c);
my $y = "b" ~~ @x;
EXPECT
OPTION fatal
syntax error at - line 3, near ""b" ~"
Execution of - aborted due to compilation errors.
########
# NAME implicit disable then enable
use v5.41;
use feature "smartmatch";
my @x = qw(a b c);
my $y = "b" ~~ @x;
EXPECT
########
# NAME smartmatch and switch features independent
no feature "switch";
use feature "smartmatch";
BEGIN {
print STDERR "switch ",
feature::feature_enabled("switch") ? "is" : "is not",
" enabled\n";
print STDERR "smartmatch ",
feature::feature_enabled("smartmatch") ? "is" : "is not",
" enabled\n";
}
my @x = qw(a b c);
my $y = "b" ~~ @x;
given ($y) {
when (1) {
print "fail!";
}
}
EXPECT
OPTION fatal
switch is not enabled
smartmatch is enabled
syntax error at - line 13, near ") {"
Execution of - aborted due to compilation errors.
########
# NAME smartmatch and switch features independent
use feature "switch";
no feature "smartmatch";
BEGIN {
print STDERR "switch ",
feature::feature_enabled("switch") ? "is" : "is not",
" enabled\n";
print STDERR "smartmatch ",
feature::feature_enabled("smartmatch") ? "is" : "is not",
" enabled\n";
}
my $z;
given ($z) {
when (1) {
print "fail!";
}
}
my @x = qw(a b c);
my $y = "b" ~~ @x;
EXPECT
OPTION fatal
switch is enabled
smartmatch is not enabled
syntax error at - line 18, near ""b" ~"
Execution of - aborted due to compilation errors.
|
