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author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
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committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/SemaTemplate/constructor-template.cpp | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/SemaTemplate/constructor-template.cpp')
-rw-r--r-- | clang/test/SemaTemplate/constructor-template.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/clang/test/SemaTemplate/constructor-template.cpp b/clang/test/SemaTemplate/constructor-template.cpp new file mode 100644 index 0000000..cf3fdfb --- /dev/null +++ b/clang/test/SemaTemplate/constructor-template.cpp @@ -0,0 +1,128 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s +struct X0 { // expected-note{{candidate}} + X0(int); // expected-note{{candidate}} + template<typename T> X0(T); // expected-note {{candidate}} + template<typename T, typename U> X0(T*, U*); // expected-note {{candidate}} + + // PR4761 + template<typename T> X0() : f0(T::foo) {} // expected-note {{candidate}} + int f0; +}; + +void accept_X0(X0); + +void test_X0(int i, float f) { + X0 x0a(i); + X0 x0b(f); + X0 x0c = i; + X0 x0d = f; + accept_X0(i); + accept_X0(&i); + accept_X0(f); + accept_X0(&f); + X0 x0e(&i, &f); + X0 x0f(&f, &i); + + X0 x0g(f, &i); // expected-error{{no matching constructor}} +} + +template<typename T> +struct X1 { + X1(const X1&); + template<typename U> X1(const X1<U>&); +}; + +template<typename T> +struct Outer { + typedef X1<T> A; + + A alloc; + + explicit Outer(const A& a) : alloc(a) { } +}; + +void test_X1(X1<int> xi) { + Outer<int> oi(xi); + Outer<float> of(xi); +} + +// PR4655 +template<class C> struct A {}; +template <> struct A<int>{A(const A<int>&);}; +struct B { A<int> x; B(B& a) : x(a.x) {} }; + +struct X2 { + X2(); // expected-note{{candidate constructor}} + X2(X2&); // expected-note {{candidate constructor}} + template<typename T> X2(T); +}; + +X2 test(bool Cond, X2 x2) { + if (Cond) + return x2; // okay, uses copy constructor + + return X2(); // expected-error{{no matching constructor}} +} + +struct X3 { + template<typename T> X3(T); +}; + +template<> X3::X3(X3); // expected-error{{must pass its first argument by reference}} + +struct X4 { + X4(); + ~X4(); + X4(X4&); + template<typename T> X4(const T&, int = 17); +}; + +X4 test_X4(bool Cond, X4 x4) { + X4 a(x4, 17); // okay, constructor template + X4 b(x4); // okay, copy constructor + return X4(); +} + +// Instantiation of a non-dependent use of a constructor +struct DefaultCtorHasDefaultArg { + explicit DefaultCtorHasDefaultArg(int i = 17); +}; + +template<typename T> +void default_ctor_inst() { + DefaultCtorHasDefaultArg def; +} + +template void default_ctor_inst<int>(); + +template<typename T> +struct X5 { + X5(); + X5(const T &); +}; + +struct X6 { + template<typename T> X6(T); +}; + +void test_X5_X6() { + X5<X6> tf; + X5<X6> tf2(tf); +} + +namespace PR8182 { + struct foo { + foo(); + template<class T> foo(T&); + + private: + foo(const foo&); + }; + + void test_foo() { + foo f1; + foo f2(f1); + foo f3 = f1; + } + +} |