#!./perl
-# $Header: argv.t,v 4.0 91/03/20 01:50:46 lwall Locked $
+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 $!;
+@ARGV = ();
+ok( eof(), 'eof() true with empty @ARGV' );
+
+@ARGV = ('Io_argv1.tmp');
+ok( !eof() );
-`/bin/rm -f Io.argv.tmp`;
+@ARGV = ($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';
+}