Mercurial > hg > CbC > CbC_gcc

comparison gcc/testsuite/g++.dg/cpp2a/constexpr-virtual9.C @ 131:84e7813d76e9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents
children
comparison
equal deleted inserted replaced
111:04ced10e8804 131:84e7813d76e9
1 // P1064R0
2 // { dg-do compile }
3 // { dg-options "-std=c++2a" }
4
5 struct X1
6 {
7 virtual int f() const = 0;
8 virtual int f(int) const = 0;
9 virtual int f(int, int) const = 0;
10 };
11
12 struct X2: public X1
13 {
14 constexpr virtual int f() const { return 2; }
15 constexpr virtual int f(int) const { return 12; }
16 constexpr virtual int f(int, int) const { return 22; }
17 };
18
19 struct X3: public X2
20 {
21 virtual int f() const { return 3; }
22 virtual int f(int) const { return 13; }
23 virtual int f(int, int) const { return 23; }
24 };
25
26 struct X4: public X3
27 {
28 constexpr virtual int f() const { return 4; }
29 constexpr virtual int f(int) const { return 14; }
30 constexpr virtual int f(int, int) const { return 24; }
31 };
32
33 constexpr int (X1::*pf)() const = &X1::f;
34 constexpr int (X1::*pf1)(int) const = &X1::f;
35 constexpr int (X1::*pf2)(int, int) const = &X1::f;
36
37 constexpr X2 x2;
38 static_assert(x2.f() == 2);
39 static_assert((x2.*pf)() == 2);
40 static_assert(x2.f(1) == 12);
41 static_assert((x2.*pf1)(1) == 12);
42 static_assert(x2.f(1, 2) == 22);
43 static_assert((x2.*pf2)(1, 2) == 22);
44
45 constexpr X1 const& r2 = x2;
46 static_assert(r2.f() == 2);
47 static_assert((r2.*pf)() == 2);
48 static_assert(r2.f(1) == 12);
49 static_assert((r2.*pf1)(1) == 12);
50 static_assert(r2.f(1, 2) == 22);
51 static_assert((r2.*pf2)(1, 2) == 22);
52
53 constexpr X1 const* p2 = &x2;
54 static_assert(p2->f() == 2);
55 static_assert((p2->*pf)() == 2);
56 static_assert(p2->f(1) == 12);
57 static_assert((p2->*pf1)(1) == 12);
58 static_assert(p2->f(1, 2) == 22);
59 static_assert((p2->*pf2)(1, 2) == 22);
60
61 constexpr X4 x4;
62 static_assert(x4.f() == 4);
63 static_assert((x4.*pf)() == 4);
64 static_assert(x4.f(1) == 14);
65 static_assert((x4.*pf1)(1) == 14);
66 static_assert(x4.f(1, 2) == 24);
67 static_assert((x4.*pf2)(1, 2) == 24);
68
69 constexpr X1 const& r4 = x4;
70 static_assert(r4.f() == 4);
71 static_assert((r4.*pf)() == 4);
72 static_assert(r4.f(1) == 14);
73 static_assert((r4.*pf1)(1) == 14);
74 static_assert(r4.f(1, 2) == 24);
75 static_assert((r4.*pf2)(1, 2) == 24);
76
77 constexpr X1 const* p4 = &x4;
78 static_assert(p4->f() == 4);
79 static_assert((p4->*pf)() == 4);
80 static_assert(p4->f(1) == 14);
81 static_assert((p4->*pf1)(1) == 14);
82 static_assert(p4->f(1, 2) == 24);
83 static_assert((p4->*pf2)(1, 2) == 24);