test.pass.cpp revision 97ecd6491374d756bd9c6da9ef84ab173f5049d6 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// test constexpr bool test(size_t pos) const;
11
12#include <bitset>
13#include <cstdlib>
14#include <cassert>
15
16#pragma clang diagnostic ignored "-Wtautological-compare"
17
18template <std::size_t N>
19std::bitset<N>
20make_bitset()
21{
22    std::bitset<N> v;
23    for (std::size_t i = 0; i < N; ++i)
24        v[i] = static_cast<bool>(std::rand() & 1);
25    return v;
26}
27
28template <std::size_t N>
29void test_test()
30{
31    const std::bitset<N> v1 = make_bitset<N>();
32    try
33    {
34        bool b = v1.test(50);
35        if (50 >= v1.size())
36            assert(false);
37        assert(b == v1[50]);
38    }
39    catch (std::out_of_range&)
40    {
41    }
42}
43
44int main()
45{
46    test_test<0>();
47    test_test<1>();
48    test_test<31>();
49    test_test<32>();
50    test_test<33>();
51    test_test<63>();
52    test_test<64>();
53    test_test<65>();
54    test_test<1000>();
55}
56