1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <random>
10
11// template<class _IntType = int>
12// class uniform_int_distribution
13
14// explicit uniform_int_distribution(IntType a = 0,
15// IntType b = numeric_limits<IntType>::max()); // before C++20
16// uniform_int_distribution() : uniform_int_distribution(0) {} // C++20
17// explicit uniform_int_distribution(IntType a,
18// IntType b = numeric_limits<IntType>::max()); // C++20
19
20#include <random>
21
22#include <cassert>
23#include <limits>
24
25#include "test_macros.h"
26#if TEST_STD_VER >= 11
27#include "make_implicit.h"
28#include "test_convertible.h"
29#endif
30
31template <class T>
32void test_implicit() {
33#if TEST_STD_VER >= 11
34 typedef std::uniform_int_distribution<> D;
35 static_assert(test_convertible<D>(), "");
36 assert(D(0) == make_implicit<D>());
37 static_assert(!test_convertible<D, T>(), "");
38 static_assert(!test_convertible<D, T, T>(), "");
39#endif
40}
41
42int main(int, char**)
43{
44 {
45 typedef std::uniform_int_distribution<> D;
46 D d;
47 assert(d.a() == 0);
48 assert(d.b() == std::numeric_limits<int>::max());
49 }
50 {
51 typedef std::uniform_int_distribution<> D;
52 D d(-6);
53 assert(d.a() == -6);
54 assert(d.b() == std::numeric_limits<int>::max());
55 }
56 {
57 typedef std::uniform_int_distribution<> D;
58 D d(-6, 106);
59 assert(d.a() == -6);
60 assert(d.b() == 106);
61 }
62
63 test_implicit<int>();
64 test_implicit<long>();
65
66 return 0;
67}
68

source code of libcxx/test/std/numerics/rand/rand.dist/rand.dist.uni/rand.dist.uni.int/ctor_int_int.pass.cpp