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libcxx/test/std/numerics/rand/rand.adapt/rand.adapt.ibits/assign.pass.cpp

57 lines
1.2 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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 Engine, size_t w, class UIntType>
// class independent_bits_engine
// independent_bits_engine& operator=(const independent_bits_engine&);
#include <random>
#include <cassert>
void
test1()
{
typedef std::independent_bits_engine<std::ranlux24, 32, unsigned> E;
E e1(2);
(void)e1();
E e2(5);
e2 = e1;
assert(e1 == e2);
assert(e1() == e2());
E::result_type k = e1();
assert(e1 != e2);
assert(e2() == k);
assert(e1 == e2);
}
void
test2()
{
typedef std::independent_bits_engine<std::ranlux48, 64, unsigned long long> E;
E e1(3);
(void)e1();
E e2(5);
e2 = e1;
assert(e1 == e2);
assert(e1() == e2());
E::result_type k = e1();
assert(e1 != e2);
assert(e2() == k);
assert(e1 == e2);
}
int main()
{
test1();
test2();
}