blob: a48c9b11b886ba9b6490ddf3b7ac83b7de44ad56 [file] [log] [blame]
Richard Smith872307e2016-03-08 22:17:41 +00001// RUN: %clang_cc1 -std=c++1z -verify %s -fcxx-exceptions -triple=x86_64-linux-gnu
2
3namespace BaseClassAggregateInit {
4 struct A {
5 int a, b, c;
6 constexpr A(int n) : a(n), b(3 * n), c(b - 1) {} // expected-note {{outside the range of representable}}
7 constexpr A() : A(10) {};
8 };
9 struct B : A {};
10 struct C { int q; };
11 struct D : B, C { int k; };
12
13 constexpr D d1 = { 1, 2, 3 };
14 static_assert(d1.a == 1 && d1.b == 3 && d1.c == 2 && d1.q == 2 && d1.k == 3);
15
16 constexpr D d2 = { 14 };
17 static_assert(d2.a == 14 && d2.b == 42 && d2.c == 41 && d2.q == 0 && d2.k == 0);
18
19 constexpr D d3 = { A(5), C{2}, 1 };
20 static_assert(d3.a == 5 && d3.b == 15 && d3.c == 14 && d3.q == 2 && d3.k == 1);
21
22 constexpr D d4 = {};
23 static_assert(d4.a == 10 && d4.b == 30 && d4.c == 29 && d4.q == 0 && d4.k == 0);
24
25 constexpr D d5 = { __INT_MAX__ }; // expected-error {{must be initialized by a constant expression}}
26 // expected-note-re@-1 {{in call to 'A({{.*}})'}}
27}
Richard Smith84a0b6d2016-10-18 23:39:12 +000028
29namespace NoexceptFunctionTypes {
30 template<typename T> constexpr bool f() noexcept(true) { return true; }
Richard Smithdfe85e22016-12-15 02:35:39 +000031 constexpr bool (*fp)() = f<int>;
Richard Smith84a0b6d2016-10-18 23:39:12 +000032 static_assert(f<int>());
Richard Smithdfe85e22016-12-15 02:35:39 +000033 static_assert(fp());
Richard Smith84a0b6d2016-10-18 23:39:12 +000034
35 template<typename T> struct A {
36 constexpr bool f() noexcept(true) { return true; }
37 constexpr bool g() { return f(); }
Richard Smith5f4b3882016-10-19 00:14:23 +000038 constexpr bool operator()() const noexcept(true) { return true; }
Richard Smith84a0b6d2016-10-18 23:39:12 +000039 };
40 static_assert(A<int>().f());
41 static_assert(A<int>().g());
Richard Smith5f4b3882016-10-19 00:14:23 +000042 static_assert(A<int>()());
Richard Smith84a0b6d2016-10-18 23:39:12 +000043}
Richard Smithb8c0f552016-12-09 18:49:13 +000044
45namespace Cxx17CD_NB_GB19 {
46 const int &r = 0;
47 constexpr int n = r;
48}