xref: /openbsd-src/gnu/usr.bin/perl/t/op/yadayada.t (revision f2da64fbbbf1b03f09f390ab01267c93dfd77c4c)
1#!./perl
2
3BEGIN {
4    chdir 't' if -d 't';
5    @INC = '../lib';
6    require './test.pl';
7}
8
9use strict;
10
11plan 9;
12
13my $err;
14my $err1 = "Unimplemented at $0 line ";
15my $err2 = ".\n";
16
17$err = $err1 . ( __LINE__ + 1 ) . $err2;
18eval { ... };
19is $@, $err, "Execution of ellipsis statement reported 'Unimplemented' code";
20$@ = '';
21
22note("RT #122661: Semicolon before ellipsis statement disambiguates to indicate block rather than hash reference");
23my @input = (3..5);
24my @transformed;
25$err = $err1 . ( __LINE__ + 1 ) . $err2;
26eval { @transformed = map {; ... } @input; };
27is $@, $err, "Disambiguation case 1";
28$@ = '';
29
30$err = $err1 . ( __LINE__ + 1 ) . $err2;
31eval { @transformed = map {;...} @input; };
32is $@, $err, "Disambiguation case 2";
33$@ = '';
34
35$err = $err1 . ( __LINE__ + 1 ) . $err2;
36eval { @transformed = map {; ...} @input; };
37is $@, $err, "Disambiguation case 3";
38$@ = '';
39
40$err = $err1 . ( __LINE__ + 1 ) . $err2;
41eval { @transformed = map {;... } @input; };
42is $@, $err, "Disambiguation case 4";
43$@ = '';
44
45#
46# Regression tests, making sure ... is still parsable as an operator.
47#
48my @lines = split /\n/ => <<'--';
49
50# Check simple range operator.
51my @arr = 'A' ... 'D';
52
53# Range operator with print.
54print 'D' ... 'A';
55
56# Without quotes, 'D' could be a file handle.
57print  D  ...  A ;
58
59# Another possible interaction with a file handle.
60print ${\"D"}  ...  A ;
61--
62
63foreach my $line (@lines) {
64    next if $line =~ /^\s*#/ || $line !~ /\S/;
65    my $mess = qq {Parsing '...' in "$line" as a range operator};
66    eval qq {
67       {local *STDOUT; no strict "subs"; $line;}
68        pass \$mess;
69        1;
70    } or do {
71        my $err = $@;
72        $err =~ s/\n//g;
73        fail "$mess ($err)";
74    }
75}
76