--- /dev/null
+#!./perl
+
+BEGIN {
+ chdir 't' if -d 't';
+ @INC = '../lib';
+}
+
+use Config;
+use Cwd;
+use strict;
+use warnings;
+
+print "1..14\n";
+
+# check imports
+print +(defined(&cwd) &&
+ defined(&getcwd) &&
+ defined(&fastcwd) &&
+ defined(&fastgetcwd) ?
+ "" : "not "), "ok 1\n";
+print +(!defined(&chdir) &&
+ !defined(&abs_path) &&
+ !defined(&fast_abs_path) ?
+ "" : "not "), "ok 2\n";
+
+# XXX these tests rely on a working pwd program or shell command
+chomp(my $start = `pwd 2>/dev/null`);
+if ($?) {
+ print "ok 3 # skipped\n";
+ print "ok 4 # skipped\n";
+ print "ok 5 # skipped\n";
+ print "ok 6 # skipped\n";
+} else {
+ my $cwd = cwd;
+ my $getcwd = getcwd;
+ my $fastcwd = fastcwd;
+ my $fastgetcwd = fastgetcwd;
+ print +($cwd eq $start ? "" : "not "), "ok 3\n";
+ print +($getcwd eq $start ? "" : "not "), "ok 4\n";
+ print +($fastcwd eq $start ? "" : "not "), "ok 5\n";
+ print +($fastgetcwd eq $start ? "" : "not "), "ok 6\n";
+}
+
+mkdir "pteerslt", 0777;
+mkdir "pteerslt/path", 0777;
+mkdir "pteerslt/path/to", 0777;
+mkdir "pteerslt/path/to/a", 0777;
+mkdir "pteerslt/path/to/a/dir", 0777;
+Cwd::chdir "pteerslt/path/to/a/dir";
+my $cwd = cwd;
+my $getcwd = getcwd;
+my $fastcwd = fastcwd;
+my $fastgetcwd = fastgetcwd;
+my $want = "t/pteerslt/path/to/a/dir";
+print +($cwd =~ m|$want$| ? "" : "not "), "ok 7\n";
+print +($getcwd =~ m|$want$| ? "" : "not "), "ok 8\n";
+print +($fastcwd =~ m|$want$| ? "" : "not "), "ok 9\n";
+print +($fastgetcwd =~ m|$want$| ? "" : "not "), "ok 10\n";
+
+# Cwd::chdir should also update $ENV{PWD}
+print +($ENV{PWD} =~ m|$want$| ? "" : "not "), "ok 11\n";
+Cwd::chdir ".."; rmdir "dir";
+Cwd::chdir ".."; rmdir "a";
+Cwd::chdir ".."; rmdir "to";
+Cwd::chdir ".."; rmdir "path";
+Cwd::chdir ".."; rmdir "pteerslt";
+print +($ENV{PWD} =~ m|\bt$| ? "" : "not "), "ok 12\n";
+
+if ($Config{d_symlink}) {
+ my @dirs = split " " => $Config{libpth};
+ my $target = pop @dirs;
+ symlink $target => "linktest";
+ mkdir "pteerslt";
+ chdir "pteerslt";
+ my $rel = "../../t/linktest";
+
+ my $abs_path = Cwd::abs_path($rel);
+ my $fast_abs_path = Cwd::fast_abs_path($rel);
+ print +($abs_path eq $target ? "" : "not "), "ok 13\n";
+ print +($fast_abs_path eq $target ? "" : "not "), "ok 14\n";
+
+ chdir "..";
+ rmdir "pteerslt";
+ unlink "linktest";
+} else {
+ print "ok 13 # skipped\n";
+ print "ok 14 # skipped\n";
+}