1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
2 | |
3 | struct X { |
4 | int& f(int) const; // expected-note 2 {{candidate function}} |
5 | float& f(int); // expected-note 2 {{candidate function}} |
6 | |
7 | void test_f(int x) const { |
8 | int& i = f(x); |
9 | } |
10 | |
11 | void test_f2(int x) { |
12 | float& f2 = f(x); |
13 | } |
14 | |
15 | int& g(int) const; // expected-note 2 {{candidate function}} |
16 | float& g(int); // expected-note 2 {{candidate function}} |
17 | static double& g(double); // expected-note 2 {{candidate function}} |
18 | |
19 | void h(int); |
20 | |
21 | void test_member() { |
22 | float& f1 = f(0); |
23 | float& f2 = g(0); |
24 | double& d1 = g(0.0); |
25 | } |
26 | |
27 | void test_member_const() const { |
28 | int &i1 = f(0); |
29 | int &i2 = g(0); |
30 | double& d1 = g(0.0); |
31 | } |
32 | |
33 | static void test_member_static() { |
34 | double& d1 = g(0.0); |
35 | g(0); // expected-error{{call to 'g' is ambiguous}} |
36 | } |
37 | }; |
38 | |
39 | void test(X x, const X xc, X* xp, const X* xcp, volatile X xv, volatile X* xvp) { |
40 | int& i1 = xc.f(0); |
41 | int& i2 = xcp->f(0); |
42 | float& f1 = x.f(0); |
43 | float& f2 = xp->f(0); |
44 | xv.f(0); // expected-error{{no matching member function for call to 'f'}} |
45 | xvp->f(0); // expected-error{{no matching member function for call to 'f'}} |
46 | |
47 | int& i3 = xc.g(0); |
48 | int& i4 = xcp->g(0); |
49 | float& f3 = x.g(0); |
50 | float& f4 = xp->g(0); |
51 | double& d1 = xp->g(0.0); |
52 | double& d2 = X::g(0.0); |
53 | X::g(0); // expected-error{{call to 'g' is ambiguous}} |
54 | |
55 | X::h(0); // expected-error{{call to non-static member function without an object argument}} |
56 | } |
57 | |
58 | struct X1 { |
59 | int& member(); |
60 | float& member() const; |
61 | }; |
62 | |
63 | struct X2 : X1 { }; |
64 | |
65 | void test_X2(X2 *x2p, const X2 *cx2p) { |
66 | int &ir = x2p->member(); |
67 | float &fr = cx2p->member(); |
68 | } |
69 | |
70 | // Tests the exact text used to note the candidates |
71 | namespace test1 { |
72 | class A { |
73 | template <class T> |
74 | void foo(T t, unsigned N); // expected-note {{candidate function template not viable: no known conversion from 'const char [6]' to 'unsigned int' for 2nd argument}} |
75 | void foo(int n, char N); // expected-note {{candidate function not viable: no known conversion from 'const char [6]' to 'char' for 2nd argument}} |
76 | void foo(int n, const char *s, int t); // expected-note {{candidate function not viable: requires 3 arguments, but 2 were provided}} |
77 | void foo(int n, const char *s, int t, ...); // expected-note {{candidate function not viable: requires at least 3 arguments, but 2 were provided}} |
78 | void foo(int n, const char *s, int t, int u = 0); // expected-note {{candidate function not viable: requires at least 3 arguments, but 2 were provided}} |
79 | |
80 | void bar(double d); //expected-note {{candidate function not viable: 'this' argument has type 'const test1::A', but method is not marked const}} |
81 | void bar(int i); //expected-note {{candidate function not viable: 'this' argument has type 'const test1::A', but method is not marked const}} |
82 | |
83 | void baz(A &d); // expected-note {{candidate function not viable: 1st argument ('const test1::A') would lose const qualifier}} |
84 | void baz(int i); // expected-note {{candidate function not viable: no known conversion from 'const test1::A' to 'int' for 1st argument}} |
85 | |
86 | // PR 11857 |
87 | void foo(int n); // expected-note {{candidate function not viable: requires single argument 'n', but 2 arguments were provided}} |
88 | void foo(unsigned n = 10); // expected-note {{candidate function not viable: allows at most single argument 'n', but 2 arguments were provided}} |
89 | void rab(double n, int u = 0); // expected-note {{candidate function not viable: requires at least argument 'n', but no arguments were provided}} |
90 | void rab(int n, int u = 0); // expected-note {{candidate function not viable: requires at least argument 'n', but no arguments were provided}} |
91 | void zab(double n = 0.0, int u = 0); // expected-note {{candidate function not viable: requires at most 2 arguments, but 3 were provided}} |
92 | void zab(int n = 0, int u = 0); // expected-note {{candidate function not viable: requires at most 2 arguments, but 3 were provided}} |
93 | }; |
94 | |
95 | void test() { |
96 | A a; |
97 | a.foo(4, "hello"); //expected-error {{no matching member function for call to 'foo'}} |
98 | |
99 | const A b = A(); |
100 | b.bar(0); //expected-error {{no matching member function for call to 'bar'}} |
101 | |
102 | a.baz(b); //expected-error {{no matching member function for call to 'baz'}} |
103 | |
104 | a.rab(); //expected-error {{no matching member function for call to 'rab'}} |
105 | a.zab(3, 4, 5); //expected-error {{no matching member function for call to 'zab'}} |
106 | } |
107 | } |
108 | |
109 | namespace b7398190 { |
110 | struct S { |
111 | int f(); // expected-note {{'this' argument has type 'const b7398190::S', but method is not marked const}} |
112 | void f(int); // expected-note {{requires 1 argument, but 0 were provided}} |
113 | }; |
114 | const S *p; |
115 | int k = p->f(); // expected-error {{no matching member function for call to 'f'}} |
116 | } |
117 | |