Perl 5.8.3 patches from the BS2000 port - part 2

[p5sagit/p5-mst-13.2.git] / t / io / argv.t

diff --git a/t/io/argv.t b/t/io/argv.t
index 40ed23b..33c4f1a 100755 (executable)
--- a/t/io/argv.t
+++ b/t/io/argv.t
@@ -1,36 +1,132 @@
 #!./perl
 
-# $RCSfile: argv.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:25 $
+BEGIN {
+    chdir 't' if -d 't';
+    @INC = '../lib';
+}
 
-print "1..5\n";
+require "./test.pl";
 
-open(try, '>Io.argv.tmp') || (die "Can't open temp file.");
-print try "a line\n";
-close try;
+plan(tests => 22);
 
-$x = `./perl -e 'while (<>) {print \$.,\$_;}' Io.argv.tmp Io.argv.tmp`;
+use File::Spec;
 
-if ($x eq "1a line\n2a line\n") {print "ok 1\n";} else {print "not ok 1\n";}
+my $devnull = File::Spec->devnull;
 
-$x = `echo foo|./perl -e 'while (<>) {print $_;}' Io.argv.tmp -`;
+open(TRY, '>Io_argv1.tmp') || (die "Can't open temp file: $!");
+print TRY "a line\n";
+close TRY or die "Could not close: $!";
 
-if ($x eq "a line\nfoo\n") {print "ok 2\n";} else {print "not ok 2\n";}
+$x = runperl(
+    prog       => 'while (<>) { print $., $_; }',
+    args       => [ 'Io_argv1.tmp', 'Io_argv1.tmp' ],
+);
+is($x, "1a line\n2a line\n", '<> from two files');
 
-$x = `echo foo|./perl -e 'while (<>) {print $_;}'`;
+{
+    $x = runperl(
+       prog    => 'while (<>) { print $_; }',
+       stdin   => "foo\n",
+       args    => [ 'Io_argv1.tmp', '-' ],
+    );
+    is($x, "a line\nfoo\n", '   from a file and STDIN');
 
-if ($x eq "foo\n") {print "ok 3\n";} else {print "not ok 3 :$x:\n";}
+    $x = runperl(
+       prog    => 'while (<>) { print $_; }',
+       stdin   => "foo\n",
+    );
+    is($x, "foo\n", '   from just STDIN');
+}
 
-@ARGV = ('Io.argv.tmp', 'Io.argv.tmp', '/dev/null', 'Io.argv.tmp');
+@ARGV = ('Io_argv1.tmp', 'Io_argv1.tmp', $devnull, 'Io_argv1.tmp');
 while (<>) {
     $y .= $. . $_;
     if (eof()) {
-       if ($. == 3) {print "ok 4\n";} else {print "not ok 4\n";}
+       is($., 3, '$. counts <>');
     }
 }
 
-if ($y eq "1a line\n2a line\n3a line\n")
-    {print "ok 5\n";}
-else
-    {print "not ok 5\n";}
+is($y, "1a line\n2a line\n3a line\n", '<> from @ARGV');
+
+
+open(TRY, '>Io_argv1.tmp') or die "Can't open temp file: $!";
+close TRY or die "Could not close: $!";
+open(TRY, '>Io_argv2.tmp') or die "Can't open temp file: $!";
+close TRY or die "Could not close: $!";
+@ARGV = ('Io_argv1.tmp', 'Io_argv2.tmp');
+$^I = '_bak';   # not .bak which confuses VMS
+$/ = undef;
+my $i = 6;
+while (<>) {
+    s/^/ok $i\n/;
+    ++$i;
+    print;
+    next_test();
+}
+open(TRY, '<Io_argv1.tmp') or die "Can't open temp file: $!";
+print while <TRY>;
+open(TRY, '<Io_argv2.tmp') or die "Can't open temp file: $!";
+print while <TRY>;
+close TRY or die "Could not close: $!";
+undef $^I;
+
+ok( eof TRY );
+
+ok( eof NEVEROPENED,    'eof() true on unopened filehandle' );
+
+open STDIN, 'Io_argv1.tmp' or die $!;
+@ARGV = ();
+ok( !eof(),     'STDIN has something' );
+
+is( <>, "ok 6\n" );
+
+open STDIN, $devnull or die $!;
+@ARGV = ();
+ok( eof(),      'eof() true with empty @ARGV' );
+
+@ARGV = ('Io_argv1.tmp');
+ok( !eof() );
 
-`/bin/rm -f Io.argv.tmp` if -x '/bin/rm';
+@ARGV = ($devnull, $devnull);
+ok( !eof() );
+
+close ARGV or die $!;
+ok( eof(),      'eof() true after closing ARGV' );
+
+{
+    local $/;
+    open F, 'Io_argv1.tmp' or die "Could not open Io_argv1.tmp: $!";
+    <F>;       # set $. = 1
+    is( <F>, undef );
+
+    open F, $devnull or die;
+    ok( defined(<F>) );
+
+    is( <F>, undef );
+    is( <F>, undef );
+
+    open F, $devnull or die;   # restart cycle again
+    ok( defined(<F>) );
+    is( <F>, undef );
+    close F or die "Could not close: $!";
+}
+
+# This used to dump core
+fresh_perl_is( <<'**PROG**', "foobar", {}, "ARGV aliasing and eof()" ); 
+open OUT, ">Io_argv3.tmp" or die "Can't open temp file: $!";
+print OUT "foo";
+close OUT;
+open IN, "Io_argv3.tmp" or die "Can't open temp file: $!";
+*ARGV = *IN;
+while (<>) {
+    print;
+    print "bar" if eof();
+}
+close IN;
+unlink "Io_argv3.tmp";
+**PROG**
+
+END {
+    1 while unlink 'Io_argv1.tmp', 'Io_argv1.tmp_bak',
+       'Io_argv2.tmp', 'Io_argv2.tmp_bak', 'Io_argv3.tmp';
+}