1 files changed, 33 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl/lib/Test/Deep/Isa.pm b/Master/tlpkg/tlperl/lib/Test/Deep/Isa.pm
new file mode 100755
index 00000000000..5face21b51a
--- /dev/null
+++ b/Master/tlpkg/tlperl/lib/Test/Deep/Isa.pm
@@ -0,0 +1,33 @@
+use strict;
+use warnings;
+
+package Test::Deep::Isa;
+
+use Test::Deep::Cmp;
+
+sub init
+{
+	my $self = shift;
+
+	my $val = shift;
+	$self->{val} = $val;
+}
+
+sub descend
+{
+	my $self = shift;
+	my $got = shift;
+
+	return UNIVERSAL::isa($got, $self->{val});
+}
+
+sub diag_message
+{
+	my $self = shift;
+
+	my $where = shift;
+
+	return "Checking class of $where with isa()";
+}
+
+1;