diff options
Diffstat (limited to 'test/std/numerics/rand/rand.eng/rand.eng.lcong/io.pass.cpp')
-rw-r--r-- | test/std/numerics/rand/rand.eng/rand.eng.lcong/io.pass.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/test/std/numerics/rand/rand.eng/rand.eng.lcong/io.pass.cpp b/test/std/numerics/rand/rand.eng/rand.eng.lcong/io.pass.cpp new file mode 100644 index 000000000000..28ebdf23d0cb --- /dev/null +++ b/test/std/numerics/rand/rand.eng/rand.eng.lcong/io.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. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template <class UIntType, UIntType a, UIntType c, UIntType m> +// class linear_congruential_engine; + +// template <class charT, class traits, +// class UIntType, UIntType a, UIntType c, UIntType m> +// basic_ostream<charT, traits>& +// operator<<(basic_ostream<charT, traits>& os, +// const linear_congruential_engine<UIntType, a, c, m>& x); +// +// template <class charT, class traits, +// class UIntType, UIntType a, UIntType c, UIntType m> +// basic_istream<charT, traits>& +// operator>>(basic_istream<charT, traits>& is, +// linear_congruential_engine<UIntType, a, c, m>& x); + +#include <random> +#include <sstream> +#include <cassert> + +int main() +{ + { + typedef std::linear_congruential_engine<unsigned, 48271, 0, 2147483647> E; + E e1; + e1.discard(100); + std::ostringstream os; + os << e1; + std::istringstream is(os.str()); + E e2; + is >> e2; + assert(e1 == e2); + } +} |