Commit | Line | Data |
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1 | #!./perl -w |
2 | |
3 | BEGIN { |
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4 | if ($ENV{PERL_CORE}){ |
5 | chdir('t') if -d 't'; |
6 | @INC = ('.', '../lib'); |
7 | } else { |
8 | unshift @INC, 't'; |
9 | push @INC, "../../t"; |
10 | } |
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11 | require Config; |
12 | if (($Config::Config{'extensions'} !~ /\bB\b/) ){ |
13 | print "1..0 # Skip -- Perl configured without B module\n"; |
14 | exit 0; |
15 | } |
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16 | require 'test.pl'; |
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17 | } |
18 | |
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19 | plan tests => 16; # adjust also number of skipped tests ! |
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20 | |
21 | # Runs a separate perl interpreter with the appropriate lint options |
22 | # turned on |
23 | sub runlint ($$$;$) { |
24 | my ($opts,$prog,$result,$testname) = @_; |
25 | my $res = runperl( |
26 | switches => [ "-MO=Lint,$opts" ], |
27 | prog => $prog, |
28 | stderr => 1, |
29 | ); |
30 | $res =~ s/-e syntax OK\n$//; |
31 | is( $res, $result, $testname || $opts ); |
32 | } |
33 | |
34 | runlint 'context', '$foo = @bar', <<'RESULT'; |
35 | Implicit scalar context for array in scalar assignment at -e line 1 |
36 | RESULT |
37 | |
38 | runlint 'context', '$foo = length @bar', <<'RESULT'; |
39 | Implicit scalar context for array in length at -e line 1 |
40 | RESULT |
41 | |
42 | runlint 'implicit-read', '/foo/', <<'RESULT'; |
43 | Implicit match on $_ at -e line 1 |
44 | RESULT |
45 | |
46 | runlint 'implicit-write', 's/foo/bar/', <<'RESULT'; |
47 | Implicit substitution on $_ at -e line 1 |
48 | RESULT |
49 | |
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50 | { |
51 | my $res = runperl( |
52 | switches => [ "-MB::Lint" ], |
53 | prog => "BEGIN{B::Lint->register_plugin(X=>[q[x]])};use O(qw[Lint x]);sub X::match{warn q[X ok.\n]};dummy()", |
54 | stderr => 1, |
55 | ); |
56 | like( $res, qr/X ok\./, 'Lint plugin' ); |
57 | } |
58 | |
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59 | SKIP : { |
60 | |
61 | use Config; |
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62 | skip("Doesn't work with threaded perls",11) |
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63 | if $Config{useithreads} || ($] < 5.009 && $Config{use5005threads}); |
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64 | |
65 | runlint 'implicit-read', '1 for @ARGV', <<'RESULT', 'implicit-read in foreach'; |
66 | Implicit use of $_ in foreach at -e line 1 |
67 | RESULT |
68 | |
69 | runlint 'dollar-underscore', '$_ = 1', <<'RESULT'; |
70 | Use of $_ at -e line 1 |
71 | RESULT |
72 | |
73 | runlint 'dollar-underscore', 'print', <<'RESULT', 'dollar-underscore in print'; |
74 | Use of $_ at -e line 1 |
75 | RESULT |
76 | |
77 | runlint 'private-names', 'sub A::_f{};A::_f()', <<'RESULT'; |
78 | Illegal reference to private name _f at -e line 1 |
79 | RESULT |
80 | |
81 | runlint 'private-names', '$A::_x', <<'RESULT'; |
82 | Illegal reference to private name _x at -e line 1 |
83 | RESULT |
84 | |
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85 | runlint 'private-names', 'sub A::_f{};A->_f()', <<'RESULT', |
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86 | Illegal reference to private method name _f at -e line 1 |
87 | RESULT |
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88 | 'private-names (method)'; |
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89 | |
90 | runlint 'undefined-subs', 'foo()', <<'RESULT'; |
91 | Undefined subroutine foo called at -e line 1 |
92 | RESULT |
93 | |
94 | runlint 'regexp-variables', 'print $&', <<'RESULT'; |
95 | Use of regexp variable $& at -e line 1 |
96 | RESULT |
97 | |
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98 | runlint 'regexp-variables', 's/./$&/', <<'RESULT'; |
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99 | Use of regexp variable $& at -e line 1 |
100 | RESULT |
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101 | |
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102 | runlint 'bare-subs', 'sub bare(){1};$x=bare', ''; |
103 | |
104 | runlint 'bare-subs', 'sub bare(){1}; $x=[bare=>0]; $x=$y{bare}', <<'RESULT'; |
105 | Bare sub name 'bare' interpreted as string at -e line 1 |
106 | Bare sub name 'bare' interpreted as string at -e line 1 |
107 | RESULT |
108 | |
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109 | } |