diff options
Diffstat (limited to 'test/SemaCXX/literal-type.cpp')
-rw-r--r-- | test/SemaCXX/literal-type.cpp | 63 |
1 files changed, 62 insertions, 1 deletions
diff --git a/test/SemaCXX/literal-type.cpp b/test/SemaCXX/literal-type.cpp index 142dd756e5a3a..6a61823adb282 100644 --- a/test/SemaCXX/literal-type.cpp +++ b/test/SemaCXX/literal-type.cpp @@ -1,10 +1,71 @@ // RUN: %clang_cc1 -fsyntax-only -verify -std=c++0x %s static_assert(__is_literal(int), "fail"); +static_assert(__is_literal_type(int), "fail"); // alternate spelling for GCC static_assert(__is_literal(void*), "fail"); enum E { E1 }; static_assert(__is_literal(E), "fail"); static_assert(__is_literal(decltype(E1)), "fail"); typedef int IAR[10]; static_assert(__is_literal(IAR), "fail"); -// FIXME: Records +typedef int Vector __attribute__((vector_size(16))); +typedef int VectorExt __attribute__((ext_vector_type(4))); +static_assert(__is_literal(Vector), "fail"); +static_assert(__is_literal(VectorExt), "fail"); + +// C++0x [basic.types]p10: +// A type is a literal type if it is: +// [...] +// -- a class type that has all of the following properties: +// -- it has a trivial destructor +// -- every constructor call and full-expression in the +// brace-or-equal-initializers for non-static data members (if an) is +// a constant expression, +// -- it is an aggregate type or has at least one constexpr constructor +// or constructor template that is not a copy or move constructor, and +// -- it has all non-static data members and base classes of literal +// types +struct Empty {}; +struct LiteralType { + int x; + E e; + IAR arr; + Empty empty; + int method(); +}; +struct HasDtor { ~HasDtor(); }; + +class NonAggregate { int x; }; +struct HasNonLiteralBase : NonAggregate {}; +struct HasNonLiteralMember { HasDtor x; }; + +static_assert(__is_literal(Empty), "fail"); +static_assert(__is_literal(LiteralType), "fail"); +static_assert(!__is_literal(HasDtor), "fail"); +static_assert(!__is_literal(NonAggregate), "fail"); +static_assert(!__is_literal(HasNonLiteralBase), "fail"); +static_assert(!__is_literal(HasNonLiteralMember), "fail"); + +// FIXME: Test constexpr constructors and non-static members with initializers +// when Clang supports them: +#if 0 +extern int f(); +struct HasNonConstExprMemInit { + int x = f(); + constexpr HasNonConstExprMemInit(int y) {} +}; +static_assert(!__is_literal(HasNonConstExprMemInit), "fail"); + +class HasConstExprCtor { + int x; +public: + constexpr HasConstExprCtor(int x) : x(x) {} +}; +template <typename T> class HasConstExprCtorTemplate { + T x; +public: + template <typename U> constexpr HasConstExprCtorTemplate(U y) : x(y) {} +}; +static_assert(__is_literal(HasConstExprCtor), "fail"); +static_assert(__is_literal(HasConstExprCtorTemplate), "fail"); +#endif |