1#!./perl 2 3BEGIN { 4 chdir 't' if -d 't'; 5 @INC = '../lib'; 6 require Config; import Config; 7 require './test.pl'; 8 9 if (!$Config{'d_fork'}) { 10 skip_all("fork required to pipe"); 11 } 12 else { 13 plan(tests => 24); 14 } 15} 16 17my $Perl = which_perl(); 18 19 20$| = 1; 21 22open(PIPE, "|-") || exec $Perl, '-pe', 'tr/YX/ko/'; 23 24printf PIPE "Xk %d - open |- || exec\n", curr_test(); 25next_test(); 26printf PIPE "oY %d - again\n", curr_test(); 27next_test(); 28close PIPE; 29 30SKIP: { 31 # Technically this should be TODO. Someone try it if you happen to 32 # have a vmesa machine. 33 skip "Doesn't work here yet", 6 if $^O eq 'vmesa'; 34 35 if (open(PIPE, "-|")) { 36 while(<PIPE>) { 37 s/^not //; 38 print; 39 } 40 close PIPE; # avoid zombies 41 } 42 else { 43 printf STDOUT "not ok %d - open -|\n", curr_test(); 44 next_test(); 45 my $tnum = curr_test; 46 next_test(); 47 exec $Perl, '-le', "print q{not ok $tnum - again}"; 48 } 49 50 # This has to be *outside* the fork 51 next_test() for 1..2; 52 53 my $raw = "abc\nrst\rxyz\r\nfoo\n"; 54 if (open(PIPE, "-|")) { 55 $_ = join '', <PIPE>; 56 (my $raw1 = $_) =~ s/not ok \d+ - //; 57 my @r = map ord, split //, $raw; 58 my @r1 = map ord, split //, $raw1; 59 if ($raw1 eq $raw) { 60 s/^not (ok \d+ -) .*/$1 '@r1' passes through '-|'\n/s; 61 } else { 62 s/^(not ok \d+ -) .*/$1 expect '@r', got '@r1'\n/s; 63 } 64 print; 65 close PIPE; # avoid zombies 66 } 67 else { 68 printf STDOUT "not ok %d - $raw", curr_test(); 69 exec $Perl, '-e0'; # Do not run END()... 70 } 71 72 # This has to be *outside* the fork 73 next_test(); 74 75 if (open(PIPE, "|-")) { 76 printf PIPE "not ok %d - $raw", curr_test(); 77 close PIPE; # avoid zombies 78 } 79 else { 80 $_ = join '', <STDIN>; 81 (my $raw1 = $_) =~ s/not ok \d+ - //; 82 my @r = map ord, split //, $raw; 83 my @r1 = map ord, split //, $raw1; 84 if ($raw1 eq $raw) { 85 s/^not (ok \d+ -) .*/$1 '@r1' passes through '|-'\n/s; 86 } else { 87 s/^(not ok \d+ -) .*/$1 expect '@r', got '@r1'\n/s; 88 } 89 print; 90 exec $Perl, '-e0'; # Do not run END()... 91 } 92 93 # This has to be *outside* the fork 94 next_test(); 95 96 SKIP: { 97 skip "fork required", 2 unless $Config{d_fork}; 98 99 pipe(READER,WRITER) || die "Can't open pipe"; 100 101 if ($pid = fork) { 102 close WRITER; 103 while(<READER>) { 104 s/^not //; 105 y/A-Z/a-z/; 106 print; 107 } 108 close READER; # avoid zombies 109 } 110 else { 111 die "Couldn't fork" unless defined $pid; 112 close READER; 113 printf WRITER "not ok %d - pipe & fork\n", curr_test; 114 next_test; 115 116 open(STDOUT,">&WRITER") || die "Can't dup WRITER to STDOUT"; 117 close WRITER; 118 119 my $tnum = curr_test; 120 next_test; 121 exec $Perl, '-le', "print q{not ok $tnum - with fh dup }"; 122 } 123 124 # This has to be done *outside* the fork. 125 next_test() for 1..2; 126 } 127} 128wait; # Collect from $pid 129 130pipe(READER,WRITER) || die "Can't open pipe"; 131close READER; 132 133$SIG{'PIPE'} = 'broken_pipe'; 134 135sub broken_pipe { 136 $SIG{'PIPE'} = 'IGNORE'; # loop preventer 137 printf "ok %d - SIGPIPE\n", curr_test; 138} 139 140printf WRITER "not ok %d - SIGPIPE\n", curr_test; 141close WRITER; 142sleep 1; 143next_test; 144pass(); 145 146# VMS doesn't like spawning subprocesses that are still connected to 147# STDOUT. Someone should modify these tests to work with VMS. 148 149SKIP: { 150 skip "doesn't like spawning subprocesses that are still connected", 10 151 if $^O eq 'VMS'; 152 153 SKIP: { 154 # Sfio doesn't report failure when closing a broken pipe 155 # that has pending output. Go figure. 156 # BeOS will not write to broken pipes, either. 157 # Nor does POSIX-BC. 158 skip "Won't report failure on broken pipe", 1 159 if $Config{d_sfio} || $^O eq 'beos' || 160 $^O eq 'posix-bc'; 161 162 local $SIG{PIPE} = 'IGNORE'; 163 open NIL, qq{|$Perl -e "exit 0"} or die "open failed: $!"; 164 sleep 5; 165 if (print NIL 'foo') { 166 # If print was allowed we had better get an error on close 167 ok( !close NIL, 'close error on broken pipe' ); 168 } 169 else { 170 ok(close NIL, 'print failed on broken pipe'); 171 } 172 } 173 174 SKIP: { 175 skip "Don't work yet", 9 if $^O eq 'vmesa'; 176 177 # check that errno gets forced to 0 if the piped program exited 178 # non-zero 179 open NIL, qq{|$Perl -e "exit 23";} or die "fork failed: $!"; 180 $! = 1; 181 ok(!close NIL, 'close failure on non-zero piped exit'); 182 is($!, '', ' errno'); 183 isnt($?, 0, ' status'); 184 185 SKIP: { 186 skip "Don't work yet", 6 if $^O eq 'mpeix'; 187 188 # check that status for the correct process is collected 189 my $zombie; 190 unless( $zombie = fork ) { 191 $NO_ENDING=1; 192 exit 37; 193 } 194 my $pipe = open *FH, "sleep 2;exit 13|" or die "Open: $!\n"; 195 $SIG{ALRM} = sub { return }; 196 alarm(1); 197 is( close FH, '', 'close failure for... umm, something' ); 198 is( $?, 13*256, ' status' ); 199 is( $!, '', ' errno'); 200 201 my $wait = wait; 202 is( $?, 37*256, 'status correct after wait' ); 203 is( $wait, $zombie, ' wait pid' ); 204 is( $!, '', ' errno'); 205 } 206 } 207} 208 209# Test new semantics for missing command in piped open 210# 19990114 M-J. Dominus mjd@plover.com 211{ local *P; 212 no warnings 'pipe'; 213 ok( !open(P, "| "), 'missing command in piped open input' ); 214 ok( !open(P, " |"), ' output'); 215} 216 217# check that status is unaffected by implicit close 218{ 219 local(*NIL); 220 open NIL, qq{|$Perl -e "exit 23"} or die "fork failed: $!"; 221 $? = 42; 222 # NIL implicitly closed here 223} 224is($?, 42, 'status unaffected by implicit close'); 225$? = 0; 226 227# check that child is reaped if the piped program can't be executed 228SKIP: { 229 skip "/no_such_process exists", 1 if -e "/no_such_process"; 230 open NIL, '/no_such_process |'; 231 close NIL; 232 233 my $child = 0; 234 eval { 235 local $SIG{ALRM} = sub { die; }; 236 alarm 2; 237 $child = wait; 238 alarm 0; 239 }; 240 241 is($child, -1, 'child reaped if piped program cannot be executed'); 242} 243