1 files changed, 55 insertions, 0 deletions
diff --git a/t/dh_link/03-894229.t b/t/dh_link/03-894229.t
new file mode 100755
index 0000000..d42a392
--- /dev/null
+++ b/t/dh_link/03-894229.t
@@ -0,0 +1,55 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More;
+plan(tests => 1);
+
+use File::Path qw(remove_tree);
+use File::Basename qw(dirname);
+use lib dirname(dirname(__FILE__));
+use Debian::Debhelper::Dh_Lib qw(!dirname);
+use Test::DH;
+
+
+sub test_tricky {
+    my ($link_name, $denoted_dest, $expected_link_target) = @_;
+    my $tmpdir = 'debian/debhelper';
+    my $link_path = "${tmpdir}/${link_name}";
+
+    make_symlink($link_name, $denoted_dest, $tmpdir);
+    if (ok(-l $link_path, 'Link made in correct directory')) {
+        my $target = readlink($link_path);
+        is($target, $expected_link_target, 'Link points correctly')
+            or diag("Expected ${expected_link_target}, actual ${target}");
+        rm_files($link_path);
+    }
+    return;
+}
+
+sub test_invalid {
+    my ($link_name, $denoted_dest) = @_;
+    eval {
+        make_symlink($link_name, $denoted_dest);
+    };
+    like($@, qr{^(?:\S*:(?: error:)?\s*)?Invalid destination/link name});
+}
+
+each_compat_subtest {
+
+    remove_tree('debian/debhelper/a/b/c');
+
+    mkdirs('debian/debhelper/a/b/c');
+
+    test_invalid('../../wow', 'a');
+    # This is a can be made valid but at the moment we do not support
+    # it.
+    test_invalid('a/b/../link21', 'a');
+
+
+    test_tricky('//a/b/link03', 'a/b/c', 'c');
+    test_tricky('./a/link18', 'a', '.');
+    test_tricky('a/./b/link19', 'a/b', '.');
+};
+