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-rw-r--r--test/std/input.output/stream.buffers/streambuf/streambuf.members/streambuf.pub.get/snextc.pass.cpp56
1 files changed, 56 insertions, 0 deletions
diff --git a/test/std/input.output/stream.buffers/streambuf/streambuf.members/streambuf.pub.get/snextc.pass.cpp b/test/std/input.output/stream.buffers/streambuf/streambuf.members/streambuf.pub.get/snextc.pass.cpp
new file mode 100644
index 0000000000000..7f44245e26e39
--- /dev/null
+++ b/test/std/input.output/stream.buffers/streambuf/streambuf.members/streambuf.pub.get/snextc.pass.cpp
@@ -0,0 +1,56 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 snextc();
+
+#include <streambuf>
+#include <cassert>
+
+int uflow_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);
+ }
+
+protected:
+ int_type uflow()
+ {
+ ++uflow_called;
+ return 'a';
+ }
+};
+
+int main()
+{
+ {
+ test t;
+ assert(uflow_called == 0);
+ assert(t.snextc() == -1);
+ assert(uflow_called == 1);
+ char in[] = "ABC";
+ t.setg(in, in, in+sizeof(in));
+ assert(t.snextc() == 'B');
+ assert(uflow_called == 1);
+ assert(t.snextc() == 'C');
+ assert(uflow_called == 1);
+ }
+}