1 files changed, 53 insertions, 0 deletions
diff --git a/cpan/dist/PathTools/t/taint.t b/cpan/dist/PathTools/t/taint.t
new file mode 100644
index 00000000..48f8c5bc
--- /dev/null
+++ b/cpan/dist/PathTools/t/taint.t
@@ -0,0 +1,53 @@
+#!./perl -Tw
+# Testing Cwd under taint mode.
+
+use strict;
+
+use Cwd;
+chdir 't' unless $ENV{PERL_CORE};
+
+use File::Spec;
+use lib File::Spec->catdir('t', 'lib');
+use Test::More;
+BEGIN {
+    plan(
+        ${^TAINT}
+        ? (tests => 21)
+        : (skip_all => "A perl without taint support")
+    );
+}
+
+use Scalar::Util qw/tainted/;
+
+my @Functions = qw(getcwd cwd fastcwd fastgetcwd
+                   abs_path fast_abs_path
+                   realpath fast_realpath
+                  );
+
+foreach my $func (@Functions) {
+    no strict 'refs';
+    my $cwd;
+    eval { $cwd = &{'Cwd::'.$func} };
+    is( $@, '',		"$func() should not explode under taint mode" );
+    ok( tainted($cwd),	"its return value should be tainted" );
+}
+
+# Previous versions of Cwd tainted $^O
+is !tainted($^O), 1, "\$^O should not be tainted";
+
+{
+    # [perl #126862] canonpath() loses taint
+    my $tainted = substr($ENV{PATH}, 0, 0);
+    # yes, getcwd()'s result should be tainted, and is tested above
+    # but be sure
+    ok tainted(File::Spec->canonpath($tainted . Cwd::getcwd)),
+        "canonpath() keeps taint on non-empty string";
+    ok tainted(File::Spec->canonpath($tainted)),
+        "canonpath() keeps taint on empty string";
+
+    (Cwd::getcwd() =~ /^(.*)/);
+    my $untainted = $1;
+    ok !tainted($untainted), "make sure our untainted value is untainted";
+    ok !tainted(File::Spec->canonpath($untainted)),
+        "canonpath() doesn't add taint to untainted string";
+}