blob: 1550dff08bb5bb034851a2cd0e0c942fadace116 [file] [log] [blame]
Howard Hinnant1468b662010-11-19 22:17:28 +00001//===----------------------------------------------------------------------===//
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// type_traits
11
12// is_nothrow_default_constructible
13
14#include <type_traits>
15
16template <class T>
17void test_is_nothrow_default_constructible()
18{
19 static_assert( std::is_nothrow_default_constructible<T>::value, "");
20 static_assert( std::is_nothrow_default_constructible<const T>::value, "");
21 static_assert( std::is_nothrow_default_constructible<volatile T>::value, "");
22 static_assert( std::is_nothrow_default_constructible<const volatile T>::value, "");
23}
24
25template <class T>
26void test_has_not_nothrow_default_constructor()
27{
28 static_assert(!std::is_nothrow_default_constructible<T>::value, "");
29 static_assert(!std::is_nothrow_default_constructible<const T>::value, "");
30 static_assert(!std::is_nothrow_default_constructible<volatile T>::value, "");
31 static_assert(!std::is_nothrow_default_constructible<const volatile T>::value, "");
32}
33
34class Empty
35{
36};
37
Howard Hinnant1468b662010-11-19 22:17:28 +000038union Union {};
39
40struct bit_zero
41{
42 int : 0;
43};
44
45struct A
46{
47 A();
48};
49
50int main()
51{
52 test_has_not_nothrow_default_constructor<void>();
53 test_has_not_nothrow_default_constructor<int&>();
54 test_has_not_nothrow_default_constructor<A>();
55
56 test_is_nothrow_default_constructible<Union>();
57 test_is_nothrow_default_constructible<Empty>();
58 test_is_nothrow_default_constructible<int>();
59 test_is_nothrow_default_constructible<double>();
60 test_is_nothrow_default_constructible<int*>();
61 test_is_nothrow_default_constructible<const int*>();
62 test_is_nothrow_default_constructible<char[3]>();
Howard Hinnant1468b662010-11-19 22:17:28 +000063 test_is_nothrow_default_constructible<bit_zero>();
64}