Move test into test/std subdirectory.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/re/re.traits/length.pass.cpp

@@ -0,0 +1,31 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <regex>
+
+// template <class charT> struct regex_traits;
+
+// static std::size_t length(const char_type* p);
+
+#include <regex>
+#include <cassert>
+
+int main()
+{
+    assert(std::regex_traits<char>::length("") == 0);
+    assert(std::regex_traits<char>::length("1") == 1);
+    assert(std::regex_traits<char>::length("12") == 2);
+    assert(std::regex_traits<char>::length("123") == 3);
+
+    assert(std::regex_traits<wchar_t>::length(L"") == 0);
+    assert(std::regex_traits<wchar_t>::length(L"1") == 1);
+    assert(std::regex_traits<wchar_t>::length(L"12") == 2);
+    assert(std::regex_traits<wchar_t>::length(L"123") == 3);
+}