From 3c792c2aa5ccbe5760a7415df24e8bf04edf7914 Mon Sep 17 00:00:00 2001
From: ariza <ariza@adobe.com>
Date: Mon, 17 Feb 2020 07:18:08 -0800
Subject: [PATCH] add test cases for hb_unwrap_type

---
 src/test-meta.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/test-meta.cc b/src/test-meta.cc
index 0b6e02c26..9436b9038 100644
--- a/src/test-meta.cc
+++ b/src/test-meta.cc
@@ -29,6 +29,8 @@
 
 #include <type_traits>
 
+template <typename T> struct U { typedef T type; };
+
 int
 main (int argc, char **argv)
 {
@@ -122,6 +124,9 @@ main (int argc, char **argv)
   static_assert (hb_is_trivial (X), "");
   static_assert (hb_is_trivial (Y), "");
 
+  static_assert (hb_is_signed (hb_unwrap_type (U<U<U<int>>>)), "");
+  static_assert (hb_is_unsigned (hb_unwrap_type (U<U<U<U<unsigned>>>>)), "");
+
   /* TODO Add more meaningful tests. */
 
   return 0;