1 files changed, 63 insertions, 0 deletions
diff --git a/test/std/input.output/stream.buffers/streambuf/streambuf.members/streambuf.pub.put/sputc.pass.cpp b/test/std/input.output/stream.buffers/streambuf/streambuf.members/streambuf.pub.put/sputc.pass.cpp
new file mode 100644
index 0000000000000..b04b8b0acc91a
--- /dev/null
+++ b/test/std/input.output/stream.buffers/streambuf/streambuf.members/streambuf.pub.put/sputc.pass.cpp
@@ -0,0 +1,63 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <streambuf>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_streambuf;
+
+// int_type sputc(char_type c);
+
+#include <streambuf>
+#include <cassert>
+
+int overflow_called = 0;
+
+struct test
+    : public std::basic_streambuf<char>
+{
+    typedef std::basic_streambuf<char> base;
+
+    test() {}
+
+    void setg(char* gbeg, char* gnext, char* gend)
+    {
+        base::setg(gbeg, gnext, gend);
+    }
+    void setp(char* pbeg, char* pend)
+    {
+        base::setp(pbeg, pend);
+    }
+
+protected:
+    int_type overflow(int_type c = traits_type::eof())
+    {
+        ++overflow_called;
+        return 'a';
+    }
+};
+
+int main()
+{
+    {
+        test t;
+        assert(overflow_called == 0);
+        assert(t.sputc('A') == 'a');
+        assert(overflow_called == 1);
+        char out[3] = {0};
+        t.setp(out, out+sizeof(out));
+        assert(t.sputc('A') == 'A');
+        assert(overflow_called == 1);
+        assert(out[0] == 'A');
+        assert(t.sputc('B') == 'B');
+        assert(overflow_called == 1);
+        assert(out[0] == 'A');
+        assert(out[1] == 'B');
+    }
+}