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Make utf8::encode respect magic
[perl5.git] / t / io / open.t
CommitLineData
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;
3eb568f1 12
f90b7232 13plan tests => 121;
2c8ac474 14
b5fe401b
MS
15my $Perl = which_perl();
16
62a28c97 17my $afile = tempfile();
6170680b 18{
62a28c97 19 unlink($afile) if -f $afile;
ad20d923 20
62a28c97
NC
21 $! = 0; # the -f above will set $! if $afile doesn't exist.
22 ok( open(my $f,"+>$afile"), 'open(my $f, "+>...")' );
ad20d923 23
2c8ac474 24 binmode $f;
62a28c97 25 ok( -f $afile, ' its a file');
ad20d923
MS
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' );
29
2c8ac474 30 $b = <$f>;
ad20d923
MS
31 is( $b, "SomeData\n", ' readline' );
32 ok( -f $f, ' still a file' );
33
e620cd72 34 eval { die "Message" };
ad20d923
MS
35 like( $@, qr/<\$f> line 1/, ' die message correct' );
36
37 ok( close($f), ' close()' );
62a28c97 38 ok( unlink($afile), ' unlink()' );
6170680b 39}
2c8ac474 40
6170680b 41{
62a28c97 42 ok( open(my $f,'>', $afile), "open(my \$f, '>', $afile)" );
ad20d923
MS
43 ok( (print $f "a row\n"), ' print');
44 ok( close($f), ' close' );
62a28c97 45 ok( -s $afile < 10, ' -s' );
6170680b 46}
2c8ac474 47
6170680b 48{
62a28c97 49 ok( open(my $f,'>>', $afile), "open(my \$f, '>>', $afile)" );
ad20d923
MS
50 ok( (print $f "a row\n"), ' print' );
51 ok( close($f), ' close' );
62a28c97 52 ok( -s $afile > 10, ' -s' );
6170680b 53}
2c8ac474 54
6170680b 55{
62a28c97 56 ok( open(my $f, '<', $afile), "open(my \$f, '<', $afile)" );
ad20d923
MS
57 my @rows = <$f>;
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' );
6170680b 62}
2c8ac474 63
6170680b 64{
62a28c97 65 ok( -s $afile < 20, '-s' );
ad20d923 66
62a28c97 67 ok( open(my $f, '+<', $afile), 'open +<' );
ad20d923
MS
68 my @rows = <$f>;
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' );
62a28c97 73 ok( -s $afile > 20, ' -s' );
2c8ac474 74
62a28c97 75 unlink($afile);
2c8ac474 76}
c0ed5c75 77{
ad20d923 78 ok( open(my $f, '-|', <<EOC), 'open -|' );
dc459aad 79 $Perl -e "print qq(a row\\n); print qq(another row\\n)"
6170680b 80EOC
2c8ac474 81
ad20d923
MS
82 my @rows = <$f>;
83 is( scalar @rows, 2, ' readline, list context' );
84 ok( close($f), ' close' );
2c8ac474 85}
7b903762 86{
ad20d923 87 ok( open(my $f, '|-', <<EOC), 'open |-' );
b5fe401b 88 $Perl -pe "s/^not //"
6170680b 89EOC
ad20d923
MS
90
91 my @rows = <$f>;
92 my $test = curr_test;
93 print $f "not ok $test - piped in\n";
94 next_test;
95
96 $test = curr_test;
97 print $f "not ok $test - piped in\n";
98 next_test;
99 ok( close($f), ' close' );
2c8ac474 100 sleep 1;
ad20d923 101 pass('flushing');
6170680b 102}
3eb568f1 103
2c8ac474 104
62a28c97
NC
105ok( !eval { open my $f, '<&', $afile; 1; }, '<& on a non-filehandle' );
106like( $@, qr/Bad filehandle:\s+$afile/, ' right error' );
2c8ac474 107
2a0f5ef0
BF
108ok( !eval { *some_glob = 1; open my $f, '<&', *some_glob; 1; }, '<& on a non-filehandle glob' );
109like( $@, qr/Bad filehandle:\s+some_glob/, ' right error' );
110
111{
112 use utf8;
113 use open qw( :utf8 :std );
114 ok( !eval { use utf8; *ǡfilḛ = 1; open my $f, '<&', *ǡfilḛ; 1; }, '<& on a non-filehandle glob' );
115 like( $@, qr/Bad filehandle:\s+ǡfilḛ/u, ' right error' );
116}
ad20d923
MS
117
118# local $file tests
2c8ac474 119{
62a28c97 120 unlink($afile) if -f $afile;
ad20d923 121
62a28c97 122 ok( open(local $f,"+>$afile"), 'open local $f, "+>", ...' );
2c8ac474 123 binmode $f;
ad20d923 124
62a28c97 125 ok( -f $afile, ' -f' );
ad20d923
MS
126 ok( (print $f "SomeData\n"), ' print' );
127 is( tell($f), 9, ' tell' );
128 ok( seek($f,0,0), ' seek set' );
129
2c8ac474 130 $b = <$f>;
ad20d923
MS
131 is( $b, "SomeData\n", ' readline' );
132 ok( -f $f, ' still a file' );
133
e620cd72 134 eval { die "Message" };
ad20d923
MS
135 like( $@, qr/<\$f> line 1/, ' proper die message' );
136 ok( close($f), ' close' );
137
62a28c97 138 unlink($afile);
2c8ac474
GS
139}
140
2c8ac474 141{
62a28c97 142 ok( open(local $f,'>', $afile), 'open local $f, ">", ...' );
ad20d923
MS
143 ok( (print $f "a row\n"), ' print');
144 ok( close($f), ' close');
62a28c97 145 ok( -s $afile < 10, ' -s' );
2c8ac474
GS
146}
147
2c8ac474 148{
62a28c97 149 ok( open(local $f,'>>', $afile), 'open local $f, ">>", ...' );
ad20d923
MS
150 ok( (print $f "a row\n"), ' print');
151 ok( close($f), ' close');
62a28c97 152 ok( -s $afile > 10, ' -s' );
2c8ac474
GS
153}
154
2c8ac474 155{
62a28c97 156 ok( open(local $f, '<', $afile), 'open local $f, "<", ...' );
ad20d923
MS
157 my @rows = <$f>;
158 is( scalar @rows, 2, ' readline list context' );
159 ok( close($f), ' close' );
2c8ac474
GS
160}
161
62a28c97 162ok( -s $afile < 20, ' -s' );
ad20d923 163
2c8ac474 164{
62a28c97 165 ok( open(local $f, '+<', $afile), 'open local $f, "+<", ...' );
ad20d923
MS
166 my @rows = <$f>;
167 is( scalar @rows, 2, ' readline list context' );
168 ok( seek($f, 0, 1), ' seek cur' );
169 ok( (print $f "yet another row\n"), ' print' );
170 ok( close($f), ' close' );
62a28c97 171 ok( -s $afile > 20, ' -s' );
2c8ac474 172
62a28c97 173 unlink($afile);
2c8ac474
GS
174}
175
c0ed5c75 176{
ad20d923 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
7b903762 186{
ad20d923 187 ok( open(local $f, '|-', <<EOC), 'open local $f, "|-", ...' );
b5fe401b 188 $Perl -pe "s/^not //"
2c8ac474 189EOC
ad20d923
MS
190
191 my @rows = <$f>;
192 my $test = curr_test;
193 print $f "not ok $test - piping\n";
194 next_test;
195
196 $test = curr_test;
197 print $f "not ok $test - piping\n";
198 next_test;
199 ok( close($f), ' close' );
2c8ac474 200 sleep 1;
ad20d923 201 pass("Flush");
2c8ac474
GS
202}
203
faecd977 204
62a28c97
NC
205ok( !eval { open local $f, '<&', $afile; 1 }, 'local <& on non-filehandle');
206like( $@, qr/Bad filehandle:\s+$afile/, ' right error' );
ad20d923 207
faecd977
GS
208{
209 local *F;
ed2efe3e 210 for (1..2) {
24a7a40d 211 ok( open(F, qq{$Perl -le "print 'ok'"|}), 'open to pipe' );
ad20d923 212 is(scalar <F>, "ok\n", ' readline');
24a7a40d 213 ok( close F, ' close' );
ed2efe3e 214 }
ad20d923 215
ed2efe3e 216 for (1..2) {
24a7a40d
SG
217 ok( open(F, "-|", qq{$Perl -le "print 'ok'"}), 'open -|');
218 is( scalar <F>, "ok\n", ' readline');
ad20d923 219 ok( close F, ' close' );
ed2efe3e 220 }
faecd977 221}
f6c77cf1 222
04dd828a
JH
223
224# other dupping techniques
225{
24a7a40d
SG
226 ok( open(my $stdout, ">&", \*STDOUT), 'dup \*STDOUT into lexical fh');
227 ok( open(STDOUT, ">&", $stdout), 'restore dupped STDOUT from lexical fh');
228
3b82e551
JH
229 {
230 use strict; # the below should not warn
231 ok( open(my $stdout, ">&", STDOUT), 'dup STDOUT into lexical fh');
232 }
233
24a7a40d 234 # used to try to open a file [perl #17830]
0685228b 235 ok( open(my $stdin, "<&", fileno STDIN), 'dup fileno(STDIN) into lexical fh') or _diag $!;
f90b7232
FC
236
237 fileno(STDIN) =~ /(.)/;
238 ok open($stdin, "<&", $1), 'open ... "<&", $magical_fileno',
239 || _diag $!;
04dd828a
JH
240}
241
35066d42
RGS
242SKIP: {
243 skip "This perl uses perlio", 1 if $Config{useperlio};
d3d1232e 244 skip_if_miniperl("miniperl can't rely on loading %Errno", 1);
43651d81
NC
245 # Force the reference to %! to be run time by writing ! as {"!"}
246 skip "This system doesn't understand EINVAL", 1
247 unless exists ${"!"}{EINVAL};
35066d42 248
aaac28e4 249 no warnings 'io';
43651d81 250 ok(!open(F,'>',\my $s) && ${"!"}{EINVAL}, 'open(reference) raises EINVAL');
35066d42
RGS
251}
252
253{
254 ok( !eval { open F, "BAR", "QUUX" }, 'Unknown open() mode' );
255 like( $@, qr/\QUnknown open() mode 'BAR'/, ' right error' );
256}
0c4b0a3f
JH
257
258{
259 local $SIG{__WARN__} = sub { $@ = shift };
260
261 sub gimme {
262 my $tmphandle = shift;
263 my $line = scalar <$tmphandle>;
264 warn "gimme";
265 return $line;
266 }
267
268 open($fh0[0], "TEST");
269 gimme($fh0[0]);
270 like($@, qr/<\$fh0\[...\]> line 1\./, "autoviv fh package aelem");
271
272 open($fh1{k}, "TEST");
273 gimme($fh1{k});
2a53d331 274 like($@, qr/<\$fh1\{...}> line 1\./, "autoviv fh package helem");
0c4b0a3f
JH
275
276 my @fh2;
277 open($fh2[0], "TEST");
278 gimme($fh2[0]);
279 like($@, qr/<\$fh2\[...\]> line 1\./, "autoviv fh lexical aelem");
280
281 my %fh3;
282 open($fh3{k}, "TEST");
283 gimme($fh3{k});
2a53d331 284 like($@, qr/<\$fh3\{...}> line 1\./, "autoviv fh lexical helem");
2748e602
FC
285
286 local $/ = *F; # used to cause an assertion failure
287 gimme($fh3{k});
288 like($@, qr/<\$fh3\{...}> chunk 2\./,
289 '<...> line 1 when $/ is set to a glob');
0c4b0a3f
JH
290}
291
7e72d509 292SKIP: {
a9f76400 293 skip("These tests use perlio", 5) unless $Config{useperlio};
7e72d509
JH
294 my $w;
295 use warnings 'layer';
296 local $SIG{__WARN__} = sub { $w = shift };
297
62a28c97 298 eval { open(F, ">>>", $afile) };
b4581f09 299 like($w, qr/Invalid separator character '>' in PerlIO layer spec/,
a9f76400 300 "bad open (>>>) warning");
7e72d509 301 like($@, qr/Unknown open\(\) mode '>>>'/,
a9f76400
JH
302 "bad open (>>>) failure");
303
62a28c97 304 eval { open(F, ">:u", $afile ) };
b4581f09 305 like($w, qr/Unknown PerlIO layer "u"/,
a9f76400 306 'bad layer ">:u" warning');
62a28c97 307 eval { open(F, "<:u", $afile ) };
b4581f09 308 like($w, qr/Unknown PerlIO layer "u"/,
a9f76400 309 'bad layer "<:u" warning');
62a28c97 310 eval { open(F, ":c", $afile ) };
b4581f09
JH
311 like($@, qr/Unknown open\(\) mode ':c'/,
312 'bad layer ":c" failure');
7e72d509
JH
313}
314
15332aa2
DM
315# [perl #28986] "open m" crashes Perl
316
317fresh_perl_like('open m', qr/^Search pattern not terminated at/,
318 { stderr => 1 }, 'open m test');
319
ba2ce822
DM
320fresh_perl_is(
321 'sub f { open(my $fh, "xxx"); $fh = "f"; } f; f;print "ok"',
322 'ok', { stderr => 1 },
323 '#29102: Crash on assignment to lexical filehandle');
ac53db4c
DM
324
325# [perl #31767] Using $1 as a filehandle via open $1, "file" doesn't raise
326# an exception
327
328eval { open $99, "foo" };
329like($@, qr/Modification of a read-only value attempted/, "readonly fh");
ce74145d
FC
330# But we do not want that exception applying to close(), since it does not
331# modify the fh.
332eval {
333 no warnings "uninitialized";
334 # make sure $+ is undefined
335 "a" =~ /(b)?/;
336 close $+
337};
338is($@, '', 'no "Modification of a read-only value" when closing');
d71e3dc3
DM
339
340# [perl#73626] mg_get wasn't run on the pipe arg
341
342{
343 package p73626;
344 sub TIESCALAR { bless {} }
345 sub FETCH { "$Perl -e 1"}
346
347 tie my $p, 'p73626';
348
349 package main;
350
351 ok( open(my $f, '-|', $p), 'open -| magic');
352}
10cea945
FC
353
354# [perl #77492] Crash when stringifying a glob, a reference to which has
355# been opened and written to.
356fresh_perl_is(
357 '
358 open my $fh, ">", \*STDOUT;
359 print $fh "hello";
360 "".*STDOUT;
361 print "ok";
3208277d 362 close $fh;
10cea945
FC
363 unlink \*STDOUT;
364 ',
365 'ok', { stderr => 1 },
366 '[perl #77492]: open $fh, ">", \*glob causes SEGV');
526fd1b4
FC
367
368# [perl #77684] Opening a reference to a glob copy.
eed19f4a
NC
369SKIP: {
370 skip_if_miniperl("no dynamic loading on miniperl, so can't load PerlIO::scalar", 1);
526fd1b4
FC
371 my $var = *STDOUT;
372 open my $fh, ">", \$var;
373 print $fh "hello";
374 is $var, "hello", '[perl #77684]: open $fh, ">", \$glob_copy'
375 # when this fails, it leaves an extra file:
376 or unlink \*STDOUT;
377}
15e6cdd9
DG
378
379# check that we can call methods on filehandles auto-magically
380# and have IO::File loaded for us
19d240ff
NC
381SKIP: {
382 skip_if_miniperl("no dynamic loading on miniperl, so can't load IO::File", 3);
15e6cdd9
DG
383 is( $INC{'IO/File.pm'}, undef, "IO::File not loaded" );
384 my $var = "";
385 open my $fh, ">", \$var;
386 ok( eval { $fh->autoflush(1); 1 }, '$fh->autoflush(1) lives' );
387 ok( $INC{'IO/File.pm'}, "IO::File now loaded" );
388}