diff options
Diffstat (limited to 'test/std/numerics/rand/rand.eng/rand.eng.mers/io.pass.cpp')
-rw-r--r-- | test/std/numerics/rand/rand.eng/rand.eng.mers/io.pass.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/test/std/numerics/rand/rand.eng/rand.eng.mers/io.pass.cpp b/test/std/numerics/rand/rand.eng/rand.eng.mers/io.pass.cpp new file mode 100644 index 000000000000..28e00ec1eb88 --- /dev/null +++ b/test/std/numerics/rand/rand.eng/rand.eng.mers/io.pass.cpp @@ -0,0 +1,69 @@ +//===----------------------------------------------------------------------===// +// +// 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, size_t w, size_t n, size_t m, size_t r, +// UIntType a, size_t u, UIntType d, size_t s, +// UIntType b, size_t t, UIntType c, size_t l, UIntType f> +// class mersenne_twister_engine; + +// template <class charT, class traits, +// class UIntType, size_t w, size_t n, size_t m, size_t r, +// UIntType a, size_t u, UIntType d, size_t s, +// UIntType b, size_t t, UIntType c, size_t l, UIntType f> +// basic_ostream<charT, traits>& +// operator<<(basic_ostream<charT, traits>& os, +// const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x); +// +// template <class charT, class traits, +// class UIntType, size_t w, size_t n, size_t m, size_t r, +// UIntType a, size_t u, UIntType d, size_t s, +// UIntType b, size_t t, UIntType c, size_t l, UIntType f> +// basic_ostream<charT, traits>& +// operator>>(basic_istream<charT, traits>& is, +// mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x); + +#include <random> +#include <sstream> +#include <cassert> + +void +test1() +{ + typedef std::mt19937 E; + E e1; + e1.discard(100); + std::ostringstream os; + os << e1; + std::istringstream is(os.str()); + E e2; + is >> e2; + assert(e1 == e2); +} + +void +test2() +{ + typedef std::mt19937_64 E; + E e1; + e1.discard(100); + std::ostringstream os; + os << e1; + std::istringstream is(os.str()); + E e2; + is >> e2; + assert(e1 == e2); +} + +int main() +{ + test1(); + test2(); +} |