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 // type_traits
11 
12 // template <class T, class... Args>
13 //   struct is_trivially_constructible;
14 
15 #include <type_traits>
16 
17 template <class T>
test_is_trivially_constructible()18 void test_is_trivially_constructible()
19 {
20     static_assert(( std::is_trivially_constructible<T>::value), "");
21 }
22 
23 template <class T, class A0>
test_is_trivially_constructible()24 void test_is_trivially_constructible()
25 {
26     static_assert(( std::is_trivially_constructible<T, A0>::value), "");
27 }
28 
29 template <class T>
test_is_not_trivially_constructible()30 void test_is_not_trivially_constructible()
31 {
32     static_assert((!std::is_trivially_constructible<T>::value), "");
33 }
34 
35 template <class T, class A0>
test_is_not_trivially_constructible()36 void test_is_not_trivially_constructible()
37 {
38     static_assert((!std::is_trivially_constructible<T, A0>::value), "");
39 }
40 
41 template <class T, class A0, class A1>
test_is_not_trivially_constructible()42 void test_is_not_trivially_constructible()
43 {
44     static_assert((!std::is_trivially_constructible<T, A0, A1>::value), "");
45 }
46 
47 struct A
48 {
49     explicit A(int);
50     A(int, double);
51 };
52 
main()53 int main()
54 {
55     test_is_trivially_constructible<int> ();
56     test_is_trivially_constructible<int, const int&> ();
57 
58     test_is_not_trivially_constructible<A, int> ();
59     test_is_not_trivially_constructible<A, int, double> ();
60     test_is_not_trivially_constructible<A> ();
61 }
62