diff options
Diffstat (limited to 'clang/test/CXX')
4 files changed, 106 insertions, 8 deletions
diff --git a/clang/test/CXX/temp/concept/p4.cpp b/clang/test/CXX/temp/concept/p4.cpp new file mode 100644 index 00000000000..2e0226779f5 --- /dev/null +++ b/clang/test/CXX/temp/concept/p4.cpp @@ -0,0 +1,6 @@ +// RUN: %clang_cc1 -std=c++2a -verify %s + +template<typename T> requires true +concept C = true; // expected-error{{concept cannot have associated constraints}} + +// TODO: Add test for other kinds of associated constraints once we have them. diff --git a/clang/test/CXX/temp/temp.constr/temp.constr.decl/class-template-decl.cpp b/clang/test/CXX/temp/temp.constr/temp.constr.decl/class-template-decl.cpp index d1ad0404ef4..5d5361f9c20 100644 --- a/clang/test/CXX/temp/temp.constr/temp.constr.decl/class-template-decl.cpp +++ b/clang/test/CXX/temp/temp.constr/temp.constr.decl/class-template-decl.cpp @@ -1,4 +1,4 @@ -// RUN: %clang_cc1 -std=c++14 -fconcepts-ts -x c++ -verify %s +// RUN: %clang_cc1 -std=c++2a -x c++ -verify %s namespace nodiag { @@ -13,15 +13,15 @@ namespace diag { template <typename T> requires true // expected-note{{previous template declaration is here}} struct A; -template <typename T> struct A; // expected-error{{associated constraints differ in template redeclaration}} +template <typename T> struct A; // expected-error{{requires clause differs in template redeclaration}} template <typename T> struct B; // expected-note{{previous template declaration is here}} -template <typename T> requires true // expected-error{{associated constraints differ in template redeclaration}} +template <typename T> requires true // expected-error{{requires clause differs in template redeclaration}} struct B; template <typename T> requires true // expected-note{{previous template declaration is here}} struct C; -template <typename T> requires !0 // expected-error{{associated constraints differ in template redeclaration}} +template <typename T> requires !0 // expected-error{{requires clause differs in template redeclaration}} struct C; } // end namespace diag @@ -33,7 +33,7 @@ struct AA { struct A; }; -template <typename T> requires someFunc(T()) +template <typename U> requires someFunc(U()) struct AA::A { }; struct AAF { @@ -47,18 +47,26 @@ namespace diag { template <unsigned N> struct TA { - template <template <unsigned> class TT> requires TT<N>::happy // expected-note 2{{previous template declaration is here}} + template <template <unsigned> class TT> requires TT<N>::happy // expected-note {{previous template declaration is here}} struct A; + template <template <unsigned> class TT> requires TT<N>::happy // expected-note {{previous template declaration is here}} + struct B; + struct AF; }; template <unsigned N> -template <template <unsigned> class TT> struct TA<N>::A { }; // expected-error{{associated constraints differ in template redeclaration}} +template <template <unsigned> class TT> struct TA<N>::A { }; // expected-error{{requires clause differs in template redeclaration}} + + +template <unsigned N> +template <template <unsigned> class TT> requires TT<N + 1>::happy struct TA<N>::B { }; // expected-error{{requires clause differs in template redeclaration}} template <unsigned N> struct TA<N>::AF { - template <template <unsigned> class TT> requires TT<N + 0>::happy // expected-error{{associated constraints differ in template redeclaration}} + // we do not expect a diagnostic here because the template parameter list is dependent. + template <template <unsigned> class TT> requires TT<N + 0>::happy friend struct TA::A; }; diff --git a/clang/test/CXX/temp/temp.constr/temp.constr.decl/func-template-decl.cpp b/clang/test/CXX/temp/temp.constr/temp.constr.decl/func-template-decl.cpp new file mode 100644 index 00000000000..c83ab26059d --- /dev/null +++ b/clang/test/CXX/temp/temp.constr/temp.constr.decl/func-template-decl.cpp @@ -0,0 +1,59 @@ +// RUN: %clang_cc1 -std=c++2a -x c++ -verify %s + +namespace nodiag { + +template <typename T> requires bool(T()) +int A(); +template <typename U> requires bool(U()) +int A(); + +} // end namespace nodiag + +namespace diag { + +namespace orig { + template <typename T> requires true + int A(); + template <typename T> + int B(); + template <typename T> requires true + int C(); +} + +template <typename T> +int orig::A(); +// expected-error@-1{{out-of-line declaration of 'A' does not match any declaration in namespace 'diag::orig'}} +template <typename T> requires true +int orig::B(); +// expected-error@-1{{out-of-line declaration of 'B' does not match any declaration in namespace 'diag::orig'}} +template <typename T> requires !0 +int orig::C(); +// expected-error@-1{{out-of-line declaration of 'C' does not match any declaration in namespace 'diag::orig'}} + +} // end namespace diag + +namespace nodiag { + +struct AA { + template <typename T> requires someFunc(T()) + int A(); +}; + +template <typename T> requires someFunc(T()) +int AA::A() { return sizeof(T); } + +} // end namespace nodiag + +namespace diag { + +template <unsigned N> +struct TA { + template <template <unsigned> class TT> requires TT<N>::happy + int A(); +}; + +template <unsigned N> +template <template <unsigned> class TT> int TA<N>::A() { return sizeof(TT<N>); } +// expected-error@-1{{out-of-line definition of 'A' does not match any declaration in 'TA<N>'}} + +} // end namespace diag diff --git a/clang/test/CXX/temp/temp.constr/temp.constr.decl/var-template-decl.cpp b/clang/test/CXX/temp/temp.constr/temp.constr.decl/var-template-decl.cpp new file mode 100644 index 00000000000..cf6874f12d3 --- /dev/null +++ b/clang/test/CXX/temp/temp.constr/temp.constr.decl/var-template-decl.cpp @@ -0,0 +1,25 @@ +// RUN: %clang_cc1 -std=c++2a -x c++ -verify %s + +namespace nodiag { + +struct B { + template <typename T> requires bool(T()) + static int A; +}; + +template <typename U> requires bool(U()) +int B::A = int(U()); + +} // end namespace nodiag + +namespace diag { + +struct B { + template <typename T> requires bool(T()) // expected-note{{previous template declaration is here}} + static int A; +}; + +template <typename U> requires !bool(U()) // expected-error{{requires clause differs in template redeclaration}} +int B::A = int(U()); + +} // end namespace diag
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