#!./perl -w
BEGIN {
- chdir 't' if -d 't';
- @INC = qw(../lib);
- require './test.pl';
+ if ( $ENV{PERL_CORE} ) {
+ chdir('t') if -d 't';
+ @INC = ( '.', '../lib' );
+ }
+ else {
+ unshift @INC, 't';
+ push @INC, "../../t";
+ }
+ require Config;
+ if ( ( $Config::Config{'extensions'} !~ /\bB\b/ ) ) {
+ print "1..0 # Skip -- Perl configured without B module\n";
+ exit 0;
+ }
+ require 'test.pl';
}
-plan tests => 13;
+plan tests => 29;
# Runs a separate perl interpreter with the appropriate lint options
# turned on
sub runlint ($$$;$) {
- my ($opts,$prog,$result,$testname) = @_;
+ my ( $opts, $prog, $result, $testname ) = @_;
my $res = runperl(
- switches => [ "-MO=Lint,$opts" ],
- prog => $prog,
- stderr => 1,
+ switches => ["-MO=Lint,$opts"],
+ prog => $prog,
+ stderr => 1,
);
$res =~ s/-e syntax OK\n$//;
is( $res, $result, $testname || $opts );
}
+runlint 'magic-diamond', 'while(<>){}', <<'RESULT';
+Use of <> at -e line 1
+RESULT
+
+runlint 'magic-diamond', 'while(<ARGV>){}', <<'RESULT';
+Use of <> at -e line 1
+RESULT
+
+runlint 'magic-diamond', 'while(<FOO>){}', <<'RESULT';
+RESULT
+
runlint 'context', '$foo = @bar', <<'RESULT';
Implicit scalar context for array in scalar assignment at -e line 1
RESULT
Implicit scalar context for array in length at -e line 1
RESULT
+runlint 'context', 'our @bar', '';
+
+runlint 'context', 'exists $BAR{BAZ}', '';
+
runlint 'implicit-read', '/foo/', <<'RESULT';
Implicit match on $_ at -e line 1
RESULT
+runlint 'implicit-read', 'grep /foo/, ()', '';
+
+runlint 'implicit-read', 'grep { /foo/ } ()', '';
+
runlint 'implicit-write', 's/foo/bar/', <<'RESULT';
Implicit substitution on $_ at -e line 1
RESULT
-SKIP : {
-
- use Config;
- skip("Doesn't work with threaded perls",9)
- if $Config{useithreads} || $Config{use5005threads};
-
- runlint 'implicit-read', '1 for @ARGV', <<'RESULT', 'implicit-read in foreach';
+runlint 'implicit-read', 'for ( @ARGV ) { 1 }',
+ <<'RESULT', 'implicit-read in foreach';
Implicit use of $_ in foreach at -e line 1
RESULT
- runlint 'dollar-underscore', '$_ = 1', <<'RESULT';
+runlint 'implicit-read', '1 for @ARGV', '', 'implicit-read in foreach';
+
+runlint 'dollar-underscore', '$_ = 1', <<'RESULT';
Use of $_ at -e line 1
RESULT
- runlint 'dollar-underscore', 'print', <<'RESULT', 'dollar-underscore in print';
+runlint 'dollar-underscore', 'sub foo {}; foo( $_ ) for @A', '';
+runlint 'dollar-underscore', 'sub foo {}; map { foo( $_ ) } @A', '';
+runlint 'dollar-underscore', 'sub foo {}; grep { foo( $_ ) } @A', '';
+
+runlint 'dollar-underscore', 'print',
+ <<'RESULT', 'dollar-underscore in print';
Use of $_ at -e line 1
RESULT
- runlint 'private-names', 'sub A::_f{};A::_f()', <<'RESULT';
-Illegal reference to private name _f at -e line 1
+runlint 'private-names', 'sub A::_f{};A::_f()', <<'RESULT';
+Illegal reference to private name '_f' at -e line 1
RESULT
- runlint 'private-names', '$A::_x', <<'RESULT';
-Illegal reference to private name _x at -e line 1
+runlint 'private-names', '$A::_x', <<'RESULT';
+Illegal reference to private name '_x' at -e line 1
RESULT
- {
- local $TODO = q/doesn't catch methods/;
- runlint 'private-names', 'sub A::_f{};A->_f()', <<'RESULT',
-Illegal reference to private method name _f at -e line 1
+runlint 'private-names', 'sub A::_f{};A->_f()', <<'RESULT',
+Illegal reference to private method name '_f' at -e line 1
+RESULT
+ 'private-names (method)';
+
+runlint 'undefined-subs', 'foo()', <<'RESULT';
+Nonexistant subroutine 'foo' called at -e line 1
RESULT
- 'private-names';
- }
- runlint 'undefined-subs', 'foo()', <<'RESULT';
-Undefined subroutine foo called at -e line 1
+runlint 'undefined-subs', 'foo();sub foo;', <<'RESULT';
+Undefined subroutine 'foo' called at -e line 1
RESULT
- runlint 'regexp-variables', 'print $&', <<'RESULT';
+runlint 'regexp-variables', 'print $&', <<'RESULT';
Use of regexp variable $& at -e line 1
RESULT
- runlint 'regexp-variables', 's/./$&/', <<'RESULT';
+runlint 'regexp-variables', 's/./$&/', <<'RESULT';
Use of regexp variable $& at -e line 1
RESULT
+runlint 'bare-subs', 'sub bare(){1};$x=bare', '';
+
+runlint 'bare-subs', 'sub bare(){1}; $x=[bare=>0]; $x=$y{bare}', <<'RESULT';
+Bare sub name 'bare' interpreted as string at -e line 1
+Bare sub name 'bare' interpreted as string at -e line 1
+RESULT
+
+{
+
+ # Check for backwards-compatible plugin support. This was where
+ # preloaded mdoules would register themselves with B::Lint.
+ my $res = runperl(
+ switches => ["-MB::Lint"],
+ prog =>
+ 'BEGIN{B::Lint->register_plugin(X=>[q[x]])};use O(qw[Lint x]);sub X::match{warn qq[X ok.\n]};dummy()',
+ stderr => 1,
+ );
+ like( $res, qr/X ok\./, 'Lint legacy plugin' );
+}
+
+{
+
+ # Check for Module::Plugin support
+ my $res = runperl(
+ switches => [ '-I../ext/B/t/pluglib', '-MO=Lint,none' ],
+ prog => 1,
+ stderr => 1,
+ );
+ like( $res, qr/Module::Pluggable ok\./, 'Lint uses Module::Pluggable' );
}