llvm-for-llvmta/tools/clang/test/SemaCXX/ms-iunknown.cpp

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2022-04-25 13:02:35 +02:00
// RUN: %clang_cc1 -fsyntax-only -verify -fms-extensions %s
extern "C++" struct __declspec(uuid("00000000-0000-0000-C000-000000000046")) IUnknown {
void foo();
// Definitions aren't allowed, unless they are a template.
template<typename T>
void bar(T t){}
};
struct IPropertyPageBase : public IUnknown {};
struct IPropertyPage : public IPropertyPageBase {};
__interface ISfFileIOPropertyPage : public IPropertyPage {};
namespace NS {
struct __declspec(uuid("00000000-0000-0000-C000-000000000046")) IUnknown {};
// expected-error@+1 {{interface type cannot inherit from}}
__interface IPropertyPageBase : public IUnknown {};
}
namespace NS2 {
extern "C++" struct __declspec(uuid("00000000-0000-0000-C000-000000000046")) IUnknown {};
// expected-error@+1 {{interface type cannot inherit from}}
__interface IPropertyPageBase : public IUnknown{};
}
// expected-error@+1 {{interface type cannot inherit from}}
__interface IPropertyPageBase2 : public NS::IUnknown {};
__interface temp_iface {};
struct bad_base : temp_iface {};
// expected-error@+1 {{interface type cannot inherit from}}
__interface bad_inherit : public bad_base{};
struct mult_inher_base : temp_iface, IUnknown {};
// expected-error@+1 {{interface type cannot inherit from}}
__interface bad_inherit2 : public mult_inher_base{};
struct PageBase : public IUnknown {};
struct Page3 : public PageBase {};
struct Page4 : public PageBase {};
__interface PropertyPage : public Page4 {};
struct Page5 : public Page3, Page4{};
// expected-error@+1 {{interface type cannot inherit from}}
__interface PropertyPage2 : public Page5 {};
__interface IF1 {};
__interface PP : IUnknown, IF1{};
__interface PP2 : PP, Page3, Page4{};