2 files changed, 46 insertions, 0 deletions
diff --git a/libcxx/test/std/extensions/hash/specializations.fail.cpp b/libcxx/test/std/extensions/hash/specializations.fail.cpp
new file mode 100644
index 00000000000..8eeffb5802e
--- /dev/null
+++ b/libcxx/test/std/extensions/hash/specializations.fail.cpp
@@ -0,0 +1,17 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include <assert.h>
+#include <ext/hash_map>
+#include <string>
+
+int main()
+{
+    assert(__gnu_cxx::hash<std::string>()(std::string()) == 0);  // error
+}
diff --git a/libcxx/test/std/extensions/hash/specializations.pass.cpp b/libcxx/test/std/extensions/hash/specializations.pass.cpp
new file mode 100644
index 00000000000..884614ec8a2
--- /dev/null
+++ b/libcxx/test/std/extensions/hash/specializations.pass.cpp
@@ -0,0 +1,29 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include <assert.h>
+#include <ext/hash_map>
+#include <string>
+
+int main()
+{
+    char str[] = "test";
+    assert(__gnu_cxx::hash<const char *>()("test") ==
+           std::hash<std::string>()("test"));
+    assert(__gnu_cxx::hash<char *>()(str) == std::hash<std::string>()("test"));
+    assert(__gnu_cxx::hash<char>()(42) == 42);
+    assert(__gnu_cxx::hash<signed char>()(42) == 42);
+    assert(__gnu_cxx::hash<unsigned char>()(42) == 42);
+    assert(__gnu_cxx::hash<short>()(42) == 42);
+    assert(__gnu_cxx::hash<unsigned short>()(42) == 42);
+    assert(__gnu_cxx::hash<int>()(42) == 42);
+    assert(__gnu_cxx::hash<unsigned int>()(42) == 42);
+    assert(__gnu_cxx::hash<long>()(42) == 42);
+    assert(__gnu_cxx::hash<unsigned long>()(42) == 42);
+}