12 $Is_VMS = $^O eq 'VMS';
16 my $Perl = which_perl();
19 unlink("afile") if -f "afile";
21 $! = 0; # the -f above will set $! if 'afile' doesn't exist.
22 ok( open(my $f,"+>afile"), 'open(my $f, "+>...")' );
25 ok( -f "afile", ' its a file');
26 ok( (print $f "SomeData\n"), ' we can print to it');
27 is( tell($f), 9, ' tell()' );
28 ok( seek($f,0,0), ' seek set' );
31 is( $b, "SomeData\n", ' readline' );
32 ok( -f $f, ' still a file' );
34 eval { die "Message" };
35 like( $@, qr/<\$f> line 1/, ' die message correct' );
37 ok( close($f), ' close()' );
38 ok( unlink("afile"), ' unlink()' );
42 ok( open(my $f,'>', 'afile'), "open(my \$f, '>', 'afile')" );
43 ok( (print $f "a row\n"), ' print');
44 ok( close($f), ' close' );
45 ok( -s 'afile' < 10, ' -s' );
49 ok( open(my $f,'>>', 'afile'), "open(my \$f, '>>', 'afile')" );
50 ok( (print $f "a row\n"), ' print' );
51 ok( close($f), ' close' );
52 ok( -s 'afile' > 10, ' -s' );
56 ok( open(my $f, '<', 'afile'), "open(my \$f, '<', 'afile')" );
58 is( scalar @rows, 2, ' readline, list context' );
59 is( $rows[0], "a row\n", ' first line read' );
60 is( $rows[1], "a row\n", ' second line' );
61 ok( close($f), ' close' );
65 ok( -s 'afile' < 20, '-s' );
67 ok( open(my $f, '+<', 'afile'), 'open +<' );
69 is( scalar @rows, 2, ' readline, list context' );
70 ok( seek($f, 0, 1), ' seek cur' );
71 ok( (print $f "yet another row\n"), ' print' );
72 ok( close($f), ' close' );
73 ok( -s 'afile' > 20, ' -s' );
79 skip "open -| busted and noisy on VMS", 3 if $Is_VMS;
81 ok( open(my $f, '-|', <<EOC), 'open -|' );
82 $Perl -e "print qq(a row\n); print qq(another row\n)"
86 is( scalar @rows, 2, ' readline, list context' );
87 ok( close($f), ' close' );
91 ok( open(my $f, '|-', <<EOC), 'open |-' );
97 print $f "not ok $test - piped in\n";
101 print $f "not ok $test - piped in\n";
103 ok( close($f), ' close' );
109 ok( !eval { open my $f, '<&', 'afile'; 1; }, '<& on a non-filehandle' );
110 like( $@, qr/Bad filehandle:\s+afile/, ' right error' );
115 unlink("afile") if -f "afile";
117 ok( open(local $f,"+>afile"), 'open local $f, "+>", ...' );
120 ok( -f "afile", ' -f' );
121 ok( (print $f "SomeData\n"), ' print' );
122 is( tell($f), 9, ' tell' );
123 ok( seek($f,0,0), ' seek set' );
126 is( $b, "SomeData\n", ' readline' );
127 ok( -f $f, ' still a file' );
129 eval { die "Message" };
130 like( $@, qr/<\$f> line 1/, ' proper die message' );
131 ok( close($f), ' close' );
137 ok( open(local $f,'>', 'afile'), 'open local $f, ">", ...' );
138 ok( (print $f "a row\n"), ' print');
139 ok( close($f), ' close');
140 ok( -s 'afile' < 10, ' -s' );
144 ok( open(local $f,'>>', 'afile'), 'open local $f, ">>", ...' );
145 ok( (print $f "a row\n"), ' print');
146 ok( close($f), ' close');
147 ok( -s 'afile' > 10, ' -s' );
151 ok( open(local $f, '<', 'afile'), 'open local $f, "<", ...' );
153 is( scalar @rows, 2, ' readline list context' );
154 ok( close($f), ' close' );
157 ok( -s 'afile' < 20, ' -s' );
160 ok( open(local $f, '+<', 'afile'), 'open local $f, "+<", ...' );
162 is( scalar @rows, 2, ' readline list context' );
163 ok( seek($f, 0, 1), ' seek cur' );
164 ok( (print $f "yet another row\n"), ' print' );
165 ok( close($f), ' close' );
166 ok( -s 'afile' > 20, ' -s' );
172 skip "open -| busted and noisy on VMS", 3 if $Is_VMS;
174 ok( open(local $f, '-|', <<EOC), 'open local $f, "-|", ...' );
175 $Perl -e "print qq(a row\n); print qq(another row\n)"
179 is( scalar @rows, 2, ' readline list context' );
180 ok( close($f), ' close' );
184 ok( open(local $f, '|-', <<EOC), 'open local $f, "|-", ...' );
185 $Perl -pe "s/^not //"
189 my $test = curr_test;
190 print $f "not ok $test - piping\n";
194 print $f "not ok $test - piping\n";
196 ok( close($f), ' close' );
202 ok( !eval { open local $f, '<&', 'afile'; 1 }, 'local <& on non-filehandle');
203 like( $@, qr/Bad filehandle:\s+afile/, ' right error' );
208 ok( open(F, qq{$Perl -le "print 'ok'"|}), 'open to pipe' );
209 is(scalar <F>, "ok\n", ' readline');
210 ok( close F, ' close' );
214 ok( open(F, "-|", qq{$Perl -le "print 'ok'"}), 'open -|');
215 is( scalar <F>, "ok\n", ' readline');
216 ok( close F, ' close' );
221 # other dupping techniques
223 ok( open(my $stdout, ">&", \*STDOUT), 'dup \*STDOUT into lexical fh');
224 ok( open(STDOUT, ">&", $stdout), 'restore dupped STDOUT from lexical fh');
228 skip "This perl uses perlio", 1 if $Config{useperlio};
229 skip "This system doesn't understand EINVAL", 1 unless exists $!{EINVAL};
232 ok( !open(F,'>',\my $s) && $!{EINVAL}, 'open(reference) raises EINVAL' );
236 ok( !eval { open F, "BAR", "QUUX" }, 'Unknown open() mode' );
237 like( $@, qr/\QUnknown open() mode 'BAR'/, ' right error' );