1 files changed, 42 insertions, 0 deletions
diff --git a/libcxx/test/re/re.traits/transform.pass.cpp b/libcxx/test/re/re.traits/transform.pass.cpp
new file mode 100644
index 00000000000..25281129158
--- /dev/null
+++ b/libcxx/test/re/re.traits/transform.pass.cpp
@@ -0,0 +1,42 @@
+// -*- C++ -*-
+//===-------------------------- algorithm ---------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <regex>
+
+// template <class charT> struct regex_traits;
+
+// template <class ForwardIterator>
+//   string_type transform(ForwardIterator first, ForwardIterator last) const;
+
+#include <regex>
+#include <cassert>
+#include "iterators.h"
+
+int main()
+{
+    {
+        std::regex_traits<char> t;
+        const char a[] = "a";
+        const char B[] = "B";
+        typedef forward_iterator<const char*> F;
+        assert(t.transform(F(a), F(a+1)) > t.transform(F(B), F(B+1)));
+        t.imbue(std::locale("cs_CZ.ISO8859-2"));
+        assert(t.transform(F(a), F(a+1)) < t.transform(F(B), F(B+1)));
+    }
+    {
+        std::regex_traits<wchar_t> t;
+        const wchar_t a[] = L"a";
+        const wchar_t B[] = L"B";
+        typedef forward_iterator<const wchar_t*> F;
+        assert(t.transform(F(a), F(a+1)) > t.transform(F(B), F(B+1)));
+        t.imbue(std::locale("cs_CZ.ISO8859-2"));
+        assert(t.transform(F(a), F(a+1)) < t.transform(F(B), F(B+1)));
+    }
+}