From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/SemaCXX/user-defined-conversions.cpp | 99 +++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 clang/test/SemaCXX/user-defined-conversions.cpp (limited to 'clang/test/SemaCXX/user-defined-conversions.cpp') diff --git a/clang/test/SemaCXX/user-defined-conversions.cpp b/clang/test/SemaCXX/user-defined-conversions.cpp new file mode 100644 index 0000000..43ec5a3 --- /dev/null +++ b/clang/test/SemaCXX/user-defined-conversions.cpp @@ -0,0 +1,99 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s +struct X { + operator bool(); +}; + +int& f(bool); +float& f(int); + +void f_test(X x) { + int& i1 = f(x); +} + +struct Y { + operator short(); + operator float(); +}; + +void g(int); + +void g_test(Y y) { + g(y); + short s; + s = y; +} + +struct A { }; +struct B : A { }; + +struct C { + operator B&(); +}; + +// Test reference binding via an lvalue conversion function. +void h(volatile A&); +void h_test(C c) { + h(c); +} + +// Test conversion followed by copy-construction +struct FunkyDerived; + +struct Base { + Base(const FunkyDerived&); +}; + +struct Derived : Base { }; + +struct FunkyDerived : Base { }; + +struct ConvertibleToBase { + operator Base(); +}; + +struct ConvertibleToDerived { + operator Derived(); +}; + +struct ConvertibleToFunkyDerived { + operator FunkyDerived(); +}; + +void test_conversion(ConvertibleToBase ctb, ConvertibleToDerived ctd, + ConvertibleToFunkyDerived ctfd) { + Base b1 = ctb; + Base b2(ctb); + Base b3 = ctd; + Base b4(ctd); + Base b5 = ctfd; +} + +struct X1 { + X1(X1&); // expected-note{{candidate constructor not viable: no known conversion from 'X1' to 'X1 &' for 1st argument}} +}; + +struct X2 { + operator X1(); +}; + +int &f(X1); +float &f(...); + +void g(X2 b) { + int &ir = f(b); // expected-error{{no viable constructor copying parameter of type 'X1'}} +} + +namespace rdar10202900 { + class A { + public: + A(); + + private: + A(int i); // expected-note{{declared private here}} + }; + + void testA(A a) { + int b = 10; + a = b; // expected-error{{calling a private constructor of class 'rdar10202900::A'}} + } +} -- cgit v1.2.3