1 files changed, 44 insertions, 0 deletions
diff --git a/test/std/strings/basic.string/string.modifiers/string_append/push_back.pass.cpp b/test/std/strings/basic.string/string.modifiers/string_append/push_back.pass.cpp
new file mode 100644
index 000000000000..b0a2eb5e5cbd
--- /dev/null
+++ b/test/std/strings/basic.string/string.modifiers/string_append/push_back.pass.cpp
@@ -0,0 +1,44 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <string>
+
+// void push_back(charT c)
+
+#include <string>
+#include <cassert>
+
+#include "min_allocator.h"
+
+template <class S>
+void
+test(S s, typename S::value_type c, S expected)
+{
+    s.push_back(c);
+    assert(s.__invariants());
+    assert(s == expected);
+}
+
+int main()
+{
+    {
+    typedef std::string S;
+    test(S(), 'a', S(1, 'a'));
+    test(S("12345"), 'a', S("12345a"));
+    test(S("12345678901234567890"), 'a', S("12345678901234567890a"));
+    }
+#if __cplusplus >= 201103L
+    {
+    typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
+    test(S(), 'a', S(1, 'a'));
+    test(S("12345"), 'a', S("12345a"));
+    test(S("12345678901234567890"), 'a', S("12345678901234567890a"));
+    }
+#endif
+}