perl/t/io/inplace.t

112 lines
2.4 KiB
Perl

#!./perl
use strict;
chdir 't' if -d 't';
require './test.pl';
$^I = $^O eq 'VMS' ? '_bak' : '.bak';
plan( tests => 8 );
my @tfiles = (tempfile(), tempfile(), tempfile());
my @tfiles_bak = map "$_$^I", @tfiles;
END { unlink_all(@tfiles_bak); }
for my $file (@tfiles) {
runperl( prog => 'print qq(foo\n);',
args => ['>', $file] );
}
@ARGV = @tfiles;
while (<>) {
s/foo/bar/;
}
continue {
print;
}
is ( runperl( prog => 'print<>;', args => \@tfiles ),
"bar\nbar\nbar\n",
"file contents properly replaced" );
is ( runperl( prog => 'print<>;', args => \@tfiles_bak ),
"foo\nfoo\nfoo\n",
"backup file contents stay the same" );
our @ifiles = ( tempfile(), tempfile(), tempfile() );
{
for my $file (@ifiles) {
runperl( prog => 'print qq(bar\n);',
args => [ '>', $file ] );
}
local $^I = '';
local @ARGV = @ifiles;
while (<>) {
print "foo$_";
}
is(scalar(@ARGV), 0, "consumed ARGV");
# runperl may quote its arguments, so don't expect to be able
# to reuse things you send it.
my @my_ifiles = @ifiles;
is( runperl( prog => 'print<>;', args => \@my_ifiles ),
"foobar\nfoobar\nfoobar\n",
"normal inplace edit");
}
# test * equivalence RT #70802
{
for my $file (@ifiles) {
runperl( prog => 'print qq(bar\n);',
args => [ '>', $file ] );
}
local $^I = '*';
local @ARGV = @ifiles;
while (<>) {
print "foo$_";
}
is(scalar(@ARGV), 0, "consumed ARGV");
my @my_ifiles = @ifiles;
is( runperl( prog => 'print<>;', args => \@my_ifiles ),
"foobar\nfoobar\nfoobar\n",
"normal inplace edit");
}
END { unlink_all(@ifiles); }
{
my @tests =
( # opts, code, result, name, $TODO
[ "-n", "die", "bar\n", "die shouldn't touch file" ],
[ "-n", "last", "", "last should update file" ],
);
our $file = tempfile() ;
for my $test (@tests) {
(my ($opts, $code, $result, $name), our $TODO) = @$test;
open my $fh, ">", $file or die;
print $fh "bar\n";
close $fh;
runperl( prog => $code,
switches => [ grep length, "-i", $opts ],
args => [ $file ],
stderr => 1, # discarded
);
open $fh, "<", $file or die;
my $data = do { local $/; <$fh>; };
close $fh;
is($data, $result, $name);
}
}