| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
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| 2 | struct X { |
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| 3 | operator bool(); |
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| 4 | }; |
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| 5 | |
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| 6 | int& f(bool); |
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| 7 | float& f(int); |
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| 8 | |
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| 9 | void f_test(X x) { |
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| 10 | int& i1 = f(x); |
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| 11 | } |
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| 12 | |
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| 13 | struct Y { |
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| 14 | operator short(); |
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| 15 | operator float(); |
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| 16 | }; |
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| 17 | |
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| 18 | void g(int); |
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| 19 | |
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| 20 | void g_test(Y y) { |
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| 21 | g(y); |
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| 22 | short s; |
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| 23 | s = y; |
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| 24 | } |
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| 25 | |
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| 26 | struct A { }; |
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| 27 | struct B : A { }; |
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| 28 | |
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| 29 | struct C { |
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| 30 | operator B&(); |
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| 31 | }; |
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| 32 | |
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| 33 | // Test reference binding via an lvalue conversion function. |
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| 34 | void h(volatile A&); |
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| 35 | void h_test(C c) { |
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| 36 | h(c); |
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| 37 | } |
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| 38 | |
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| 39 | // Test conversion followed by copy-construction |
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| 40 | struct FunkyDerived; |
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| 41 | |
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| 42 | struct Base { |
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| 43 | Base(const FunkyDerived&); |
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| 44 | }; |
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| 45 | |
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| 46 | struct Derived : Base { }; |
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| 47 | |
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| 48 | struct FunkyDerived : Base { }; |
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| 49 | |
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| 50 | struct ConvertibleToBase { |
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| 51 | operator Base(); |
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| 52 | }; |
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| 53 | |
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| 54 | struct ConvertibleToDerived { |
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| 55 | operator Derived(); |
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| 56 | }; |
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| 57 | |
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| 58 | struct ConvertibleToFunkyDerived { |
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| 59 | operator FunkyDerived(); |
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| 60 | }; |
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| 61 | |
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| 62 | void test_conversion(ConvertibleToBase ctb, ConvertibleToDerived ctd, |
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| 63 | ConvertibleToFunkyDerived ctfd) { |
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| 64 | Base b1 = ctb; |
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| 65 | Base b2(ctb); |
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| 66 | Base b3 = ctd; |
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| 67 | Base b4(ctd); |
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| 68 | Base b5 = ctfd; |
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| 69 | } |
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| 70 | |
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| 71 | struct X1 { |
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| 72 | X1(X1&); // expected-note{{candidate constructor not viable: expects an l-value for 1st argument}} |
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| 73 | }; |
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| 74 | |
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| 75 | struct X2 { |
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| 76 | operator X1(); |
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| 77 | }; |
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| 78 | |
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| 79 | int &f(X1); |
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| 80 | float &f(...); |
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| 81 | |
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| 82 | void g(X2 b) { |
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| 83 | int &ir = f(b); // expected-error{{no viable constructor copying parameter of type 'X1'}} |
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| 84 | } |
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| 85 | |
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| 86 | namespace rdar10202900 { |
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| 87 | class A { |
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| 88 | public: |
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| 89 | A(); |
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| 90 | |
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| 91 | private: |
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| 92 | A(int i); // expected-note{{declared private here}} |
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| 93 | }; |
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| 94 | |
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| 95 | void testA(A a) { |
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| 96 | int b = 10; |
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| 97 | a = b; // expected-error{{calling a private constructor of class 'rdar10202900::A'}} |
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| 98 | } |
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| 99 | } |
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| 100 | |
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