diff options
Diffstat (limited to 'test/std/input.output/stream.buffers/streambuf/streambuf.members/streambuf.pub.get/snextc.pass.cpp')
-rw-r--r-- | test/std/input.output/stream.buffers/streambuf/streambuf.members/streambuf.pub.get/snextc.pass.cpp | 56 |
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); + } +} |