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add test for change #22746 ([perl #29102] Crash on assign to lex fh)
[perl5.git] / t / io / open.t
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3eb568f1
NIS
1#!./perl
2
9f1b1f2d
GS
3BEGIN {
4 chdir 't' if -d 't';
20822f61 5 @INC = '../lib';
ad20d923 6 require './test.pl';
e620cd72 7}
9f1b1f2d 8
853846ea 9$| = 1;
9f1b1f2d 10use warnings;
35066d42 11use Config;
821b8a23 12$Is_VMS = $^O eq 'VMS';
dc459aad 13$Is_MacOS = $^O eq 'MacOS';
3eb568f1 14
ba2ce822 15plan tests => 107;
2c8ac474 16
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MS
17my $Perl = which_perl();
18
6170680b 19{
e620cd72 20 unlink("afile") if -f "afile";
ad20d923
MS
21
22 $! = 0; # the -f above will set $! if 'afile' doesn't exist.
23 ok( open(my $f,"+>afile"), 'open(my $f, "+>...")' );
24
2c8ac474 25 binmode $f;
ad20d923
MS
26 ok( -f "afile", ' its a file');
27 ok( (print $f "SomeData\n"), ' we can print to it');
28 is( tell($f), 9, ' tell()' );
29 ok( seek($f,0,0), ' seek set' );
30
2c8ac474 31 $b = <$f>;
ad20d923
MS
32 is( $b, "SomeData\n", ' readline' );
33 ok( -f $f, ' still a file' );
34
e620cd72 35 eval { die "Message" };
ad20d923
MS
36 like( $@, qr/<\$f> line 1/, ' die message correct' );
37
38 ok( close($f), ' close()' );
39 ok( unlink("afile"), ' unlink()' );
6170680b 40}
2c8ac474 41
6170680b 42{
ad20d923
MS
43 ok( open(my $f,'>', 'afile'), "open(my \$f, '>', 'afile')" );
44 ok( (print $f "a row\n"), ' print');
45 ok( close($f), ' close' );
46 ok( -s 'afile' < 10, ' -s' );
6170680b 47}
2c8ac474 48
6170680b 49{
ad20d923
MS
50 ok( open(my $f,'>>', 'afile'), "open(my \$f, '>>', 'afile')" );
51 ok( (print $f "a row\n"), ' print' );
52 ok( close($f), ' close' );
53 ok( -s 'afile' > 10, ' -s' );
6170680b 54}
2c8ac474 55
6170680b 56{
ad20d923
MS
57 ok( open(my $f, '<', 'afile'), "open(my \$f, '<', 'afile')" );
58 my @rows = <$f>;
59 is( scalar @rows, 2, ' readline, list context' );
60 is( $rows[0], "a row\n", ' first line read' );
61 is( $rows[1], "a row\n", ' second line' );
62 ok( close($f), ' close' );
6170680b 63}
2c8ac474 64
6170680b 65{
ad20d923
MS
66 ok( -s 'afile' < 20, '-s' );
67
68 ok( open(my $f, '+<', 'afile'), 'open +<' );
69 my @rows = <$f>;
70 is( scalar @rows, 2, ' readline, list context' );
71 ok( seek($f, 0, 1), ' seek cur' );
72 ok( (print $f "yet another row\n"), ' print' );
73 ok( close($f), ' close' );
74 ok( -s 'afile' > 20, ' -s' );
2c8ac474 75
e620cd72 76 unlink("afile");
2c8ac474
GS
77}
78
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MS
79SKIP: {
80 skip "open -| busted and noisy on VMS", 3 if $Is_VMS;
81
82 ok( open(my $f, '-|', <<EOC), 'open -|' );
dc459aad 83 $Perl -e "print qq(a row\\n); print qq(another row\\n)"
6170680b 84EOC
2c8ac474 85
ad20d923
MS
86 my @rows = <$f>;
87 is( scalar @rows, 2, ' readline, list context' );
88 ok( close($f), ' close' );
2c8ac474 89}
ad20d923 90
dc459aad
JH
91SKIP: {
92 skip "Output for |- doesn't go to shell on MacOS", 5 if $Is_MacOS;
93
ad20d923 94 ok( open(my $f, '|-', <<EOC), 'open |-' );
b5fe401b 95 $Perl -pe "s/^not //"
6170680b 96EOC
ad20d923
MS
97
98 my @rows = <$f>;
99 my $test = curr_test;
100 print $f "not ok $test - piped in\n";
101 next_test;
102
103 $test = curr_test;
104 print $f "not ok $test - piped in\n";
105 next_test;
106 ok( close($f), ' close' );
2c8ac474 107 sleep 1;
ad20d923 108 pass('flushing');
6170680b 109}
3eb568f1 110
2c8ac474 111
ad20d923
MS
112ok( !eval { open my $f, '<&', 'afile'; 1; }, '<& on a non-filehandle' );
113like( $@, qr/Bad filehandle:\s+afile/, ' right error' );
2c8ac474 114
ad20d923
MS
115
116# local $file tests
2c8ac474 117{
e620cd72 118 unlink("afile") if -f "afile";
ad20d923
MS
119
120 ok( open(local $f,"+>afile"), 'open local $f, "+>", ...' );
2c8ac474 121 binmode $f;
ad20d923
MS
122
123 ok( -f "afile", ' -f' );
124 ok( (print $f "SomeData\n"), ' print' );
125 is( tell($f), 9, ' tell' );
126 ok( seek($f,0,0), ' seek set' );
127
2c8ac474 128 $b = <$f>;
ad20d923
MS
129 is( $b, "SomeData\n", ' readline' );
130 ok( -f $f, ' still a file' );
131
e620cd72 132 eval { die "Message" };
ad20d923
MS
133 like( $@, qr/<\$f> line 1/, ' proper die message' );
134 ok( close($f), ' close' );
135
e620cd72 136 unlink("afile");
2c8ac474
GS
137}
138
2c8ac474 139{
ad20d923
MS
140 ok( open(local $f,'>', 'afile'), 'open local $f, ">", ...' );
141 ok( (print $f "a row\n"), ' print');
142 ok( close($f), ' close');
143 ok( -s 'afile' < 10, ' -s' );
2c8ac474
GS
144}
145
2c8ac474 146{
ad20d923
MS
147 ok( open(local $f,'>>', 'afile'), 'open local $f, ">>", ...' );
148 ok( (print $f "a row\n"), ' print');
149 ok( close($f), ' close');
150 ok( -s 'afile' > 10, ' -s' );
2c8ac474
GS
151}
152
2c8ac474 153{
ad20d923
MS
154 ok( open(local $f, '<', 'afile'), 'open local $f, "<", ...' );
155 my @rows = <$f>;
156 is( scalar @rows, 2, ' readline list context' );
157 ok( close($f), ' close' );
2c8ac474
GS
158}
159
ad20d923
MS
160ok( -s 'afile' < 20, ' -s' );
161
2c8ac474 162{
ad20d923
MS
163 ok( open(local $f, '+<', 'afile'), 'open local $f, "+<", ...' );
164 my @rows = <$f>;
165 is( scalar @rows, 2, ' readline list context' );
166 ok( seek($f, 0, 1), ' seek cur' );
167 ok( (print $f "yet another row\n"), ' print' );
168 ok( close($f), ' close' );
169 ok( -s 'afile' > 20, ' -s' );
2c8ac474 170
e620cd72 171 unlink("afile");
2c8ac474
GS
172}
173
ad20d923
MS
174SKIP: {
175 skip "open -| busted and noisy on VMS", 3 if $Is_VMS;
176
177 ok( open(local $f, '-|', <<EOC), 'open local $f, "-|", ...' );
dc459aad 178 $Perl -e "print qq(a row\\n); print qq(another row\\n)"
2c8ac474 179EOC
ad20d923 180 my @rows = <$f>;
2c8ac474 181
ad20d923
MS
182 is( scalar @rows, 2, ' readline list context' );
183 ok( close($f), ' close' );
2c8ac474 184}
ad20d923 185
dc459aad
JH
186SKIP: {
187 skip "Output for |- doesn't go to shell on MacOS", 5 if $Is_MacOS;
188
ad20d923 189 ok( open(local $f, '|-', <<EOC), 'open local $f, "|-", ...' );
b5fe401b 190 $Perl -pe "s/^not //"
2c8ac474 191EOC
ad20d923
MS
192
193 my @rows = <$f>;
194 my $test = curr_test;
195 print $f "not ok $test - piping\n";
196 next_test;
197
198 $test = curr_test;
199 print $f "not ok $test - piping\n";
200 next_test;
201 ok( close($f), ' close' );
2c8ac474 202 sleep 1;
ad20d923 203 pass("Flush");
2c8ac474
GS
204}
205
faecd977 206
ad20d923
MS
207ok( !eval { open local $f, '<&', 'afile'; 1 }, 'local <& on non-filehandle');
208like( $@, qr/Bad filehandle:\s+afile/, ' right error' );
209
faecd977
GS
210{
211 local *F;
ed2efe3e 212 for (1..2) {
24a7a40d 213 ok( open(F, qq{$Perl -le "print 'ok'"|}), 'open to pipe' );
ad20d923 214 is(scalar <F>, "ok\n", ' readline');
24a7a40d 215 ok( close F, ' close' );
ed2efe3e 216 }
ad20d923 217
ed2efe3e 218 for (1..2) {
24a7a40d
SG
219 ok( open(F, "-|", qq{$Perl -le "print 'ok'"}), 'open -|');
220 is( scalar <F>, "ok\n", ' readline');
ad20d923 221 ok( close F, ' close' );
ed2efe3e 222 }
faecd977 223}
f6c77cf1 224
04dd828a
JH
225
226# other dupping techniques
227{
24a7a40d
SG
228 ok( open(my $stdout, ">&", \*STDOUT), 'dup \*STDOUT into lexical fh');
229 ok( open(STDOUT, ">&", $stdout), 'restore dupped STDOUT from lexical fh');
230
3b82e551
JH
231 {
232 use strict; # the below should not warn
233 ok( open(my $stdout, ">&", STDOUT), 'dup STDOUT into lexical fh');
234 }
235
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SG
236 # used to try to open a file [perl #17830]
237 ok( open(my $stdin, "<&", fileno STDIN), 'dup fileno(STDIN) into lexical fh');
04dd828a
JH
238}
239
35066d42
RGS
240SKIP: {
241 skip "This perl uses perlio", 1 if $Config{useperlio};
43651d81
NC
242 skip "miniperl cannot be relied on to load %Errno"
243 if $ENV{PERL_CORE_MINITEST};
244 # Force the reference to %! to be run time by writing ! as {"!"}
245 skip "This system doesn't understand EINVAL", 1
246 unless exists ${"!"}{EINVAL};
35066d42 247
aaac28e4 248 no warnings 'io';
43651d81 249 ok(!open(F,'>',\my $s) && ${"!"}{EINVAL}, 'open(reference) raises EINVAL');
35066d42
RGS
250}
251
252{
253 ok( !eval { open F, "BAR", "QUUX" }, 'Unknown open() mode' );
254 like( $@, qr/\QUnknown open() mode 'BAR'/, ' right error' );
255}
0c4b0a3f
JH
256
257{
258 local $SIG{__WARN__} = sub { $@ = shift };
259
260 sub gimme {
261 my $tmphandle = shift;
262 my $line = scalar <$tmphandle>;
263 warn "gimme";
264 return $line;
265 }
266
267 open($fh0[0], "TEST");
268 gimme($fh0[0]);
269 like($@, qr/<\$fh0\[...\]> line 1\./, "autoviv fh package aelem");
270
271 open($fh1{k}, "TEST");
272 gimme($fh1{k});
273 like($@, qr/<\$fh1{...}> line 1\./, "autoviv fh package helem");
274
275 my @fh2;
276 open($fh2[0], "TEST");
277 gimme($fh2[0]);
278 like($@, qr/<\$fh2\[...\]> line 1\./, "autoviv fh lexical aelem");
279
280 my %fh3;
281 open($fh3{k}, "TEST");
282 gimme($fh3{k});
283 like($@, qr/<\$fh3{...}> line 1\./, "autoviv fh lexical helem");
0c4b0a3f
JH
284}
285
7e72d509 286SKIP: {
a9f76400 287 skip("These tests use perlio", 5) unless $Config{useperlio};
7e72d509
JH
288 my $w;
289 use warnings 'layer';
290 local $SIG{__WARN__} = sub { $w = shift };
291
292 eval { open(F, ">>>", "afile") };
b4581f09 293 like($w, qr/Invalid separator character '>' in PerlIO layer spec/,
a9f76400 294 "bad open (>>>) warning");
7e72d509 295 like($@, qr/Unknown open\(\) mode '>>>'/,
a9f76400
JH
296 "bad open (>>>) failure");
297
298 eval { open(F, ">:u", "afile" ) };
b4581f09 299 like($w, qr/Unknown PerlIO layer "u"/,
a9f76400
JH
300 'bad layer ">:u" warning');
301 eval { open(F, "<:u", "afile" ) };
b4581f09 302 like($w, qr/Unknown PerlIO layer "u"/,
a9f76400 303 'bad layer "<:u" warning');
b4581f09
JH
304 eval { open(F, ":c", "afile" ) };
305 like($@, qr/Unknown open\(\) mode ':c'/,
306 'bad layer ":c" failure');
7e72d509
JH
307}
308
15332aa2
DM
309# [perl #28986] "open m" crashes Perl
310
311fresh_perl_like('open m', qr/^Search pattern not terminated at/,
312 { stderr => 1 }, 'open m test');
313
ba2ce822
DM
314fresh_perl_is(
315 'sub f { open(my $fh, "xxx"); $fh = "f"; } f; f;print "ok"',
316 'ok', { stderr => 1 },
317 '#29102: Crash on assignment to lexical filehandle');