1 files changed, 51 insertions, 0 deletions
diff --git a/libcxx/test/strings/basic.string/string.modifiers/string_insert/iter_char.pass.cpp b/libcxx/test/strings/basic.string/string.modifiers/string_insert/iter_char.pass.cpp
new file mode 100644
index 00000000000..e27acdf4a0f
--- /dev/null
+++ b/libcxx/test/strings/basic.string/string.modifiers/string_insert/iter_char.pass.cpp
@@ -0,0 +1,51 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <string>
+
+// iterator insert(const_iterator p, charT c);
+
+#include <string>
+#include <stdexcept>
+#include <cassert>
+
+template <class S>
+void
+test(S& s, typename S::const_iterator p, typename S::value_type c, S expected)
+{
+    bool sufficient_cap = s.size() < s.capacity();
+    typename S::difference_type pos = p - s.begin();
+    typename S::iterator i = s.insert(p, c);
+    assert(s.__invariants());
+    assert(s == expected);
+    assert(i - s.begin() == pos);
+    assert(*i == c);
+    if (sufficient_cap)
+        assert(i == p);
+}
+
+int main()
+{
+    typedef std::string S;
+    S s;
+    test(s, s.begin(), '1', S("1"));
+    test(s, s.begin(), 'a', S("a1"));
+    test(s, s.end(), 'b', S("a1b"));
+    test(s, s.end()-1, 'c', S("a1cb"));
+    test(s, s.end()-2, 'd', S("a1dcb"));
+    test(s, s.end()-3, '2', S("a12dcb"));
+    test(s, s.end()-4, '3', S("a132dcb"));
+    test(s, s.end()-5, '4', S("a1432dcb"));
+    test(s, s.begin()+1, '5', S("a51432dcb"));
+    test(s, s.begin()+2, '6', S("a561432dcb"));
+    test(s, s.begin()+3, '7', S("a5671432dcb"));
+    test(s, s.begin()+4, 'A', S("a567A1432dcb"));
+    test(s, s.begin()+5, 'B', S("a567AB1432dcb"));
+    test(s, s.begin()+6, 'C', S("a567ABC1432dcb"));
+}