Implement full support for non-pointer pointers in custom allocators for string.  This completes the custom pointer support for the entire library.

llvm-svn: 185167
diff --git a/libcxx/test/strings/basic.string/string.cons/pointer_assignment.pass.cpp b/libcxx/test/strings/basic.string/string.cons/pointer_assignment.pass.cpp
index 660e1cf..d035837 100644
--- a/libcxx/test/strings/basic.string/string.cons/pointer_assignment.pass.cpp
+++ b/libcxx/test/strings/basic.string/string.cons/pointer_assignment.pass.cpp
@@ -15,6 +15,8 @@
 #include <string>
 #include <cassert>
 
+#include "../min_allocator.h"
+
 template <class S>
 void
 test(S s1, const typename S::value_type* s2)
@@ -29,6 +31,7 @@
 
 int main()
 {
+    {
     typedef std::string S;
     test(S(), "");
     test(S("1"), "");
@@ -45,4 +48,25 @@
     test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
            "1234567890123456789012345678901234567890123456789012345678901234567890"),
          "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
+    }
+#if __cplusplus >= 201103L
+    {
+    typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
+    test(S(), "");
+    test(S("1"), "");
+    test(S(), "1");
+    test(S("1"), "2");
+    test(S("1"), "2");
+
+    test(S(),
+         "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
+    test(S("123456789"),
+         "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
+    test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),
+         "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
+    test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
+           "1234567890123456789012345678901234567890123456789012345678901234567890"),
+         "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
+    }
+#endif
 }