overloaded-operator-decl.cpp source code [clang_source_code/test/SemaCXX/overloaded-operator-decl.cpp]

1	// RUN: %clang_cc1 -fsyntax-only -verify %s
2	struct X {
3	X();
4	X(int);
5	};
6
7	X operator+(X, X);
8	X operator-(X, X) { X x; return x; }
9
10	struct Y {
11	Y operator-() const;
12	void operator()(int x = 17) const;
13	int operator[](int);
14
15	static int operator+(Y, Y); // expected-error{{overloaded 'operator+' cannot be a static member function}}
16	};
17
18
19	void f(X x) {
20	x = operator+(x, x);
21	}
22
23	X operator+(int, float); // expected-error{{overloaded 'operator+' must have at least one parameter of class or enumeration type}}
24
25	X operator(X, X = 5); // expected-error{{parameter of overloaded 'operator' cannot have a default argument}}
26
27	X operator/(X, X, ...); // expected-error{{overloaded 'operator/' cannot be variadic}}
28
29	X operator%(Y); // expected-error{{overloaded 'operator%' must be a binary operator (has 1 parameter)}}
30
31	void operator()(Y&, int, int); // expected-error{{overloaded 'operator()' must be a non-static member function}}
32
33	typedef int INT;
34	typedef float FLOAT;
35	Y& operator++(Y&);
36	Y operator++(Y&, INT);
37	X operator++(X&, FLOAT); // expected-error{{parameter of overloaded post-increment operator must have type 'int' (not 'FLOAT' (aka 'float'))}}
38
39	int operator+; // expected-error{{'operator+' cannot be the name of a variable or data member}}
40
41	namespace PR6238 {
42	static struct {
43	void operator()();
44	} plus;
45	}
46
47	struct PR10839 {
48	operator int; // expected-error{{'operator int' cannot be the name of a variable or data member}}
49	int operator+; // expected-error{{'operator+' cannot be the name of a variable or data member}}
50	};
51
52	namespace PR14120 {
53	struct A {
54	static void operator()(int& i) { ++i; } // expected-error{{overloaded 'operator()' cannot be a static member function}}
55	};
56	void f() {
57	int i = 0;
58	A()(i);
59	}
60	}
61

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