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Diffstat (limited to 'clang/test/SemaCXX/virtuals.cpp')
-rw-r--r-- | clang/test/SemaCXX/virtuals.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/virtuals.cpp b/clang/test/SemaCXX/virtuals.cpp new file mode 100644 index 0000000..ea7d203 --- /dev/null +++ b/clang/test/SemaCXX/virtuals.cpp @@ -0,0 +1,47 @@ +// RUN: %clang_cc1 -fsyntax-only -fcxx-exceptions -verify -std=c++11 %s + +class A { + virtual void f(); + virtual void g() = 0; // expected-note{{unimplemented pure virtual method 'g' in 'A'}} + + void h() = 0; // expected-error {{'h' is not virtual and cannot be declared pure}} + void i() = 1; // expected-error {{initializer on function does not look like a pure-specifier}} + void j() = 0u; // expected-error {{initializer on function does not look like a pure-specifier}} + + + void k(); + +public: + A(int); +}; + +virtual void A::k() { } // expected-error{{'virtual' can only be specified inside the class definition}} + +class B : public A { + // Needs to recognize that overridden function is virtual. + void g() = 0; + + // Needs to recognize that function does not override. + void g(int) = 0; // expected-error{{'g' is not virtual and cannot be declared pure}} +}; + +// Needs to recognize invalid uses of abstract classes. +A fn(A) // expected-error{{parameter type 'A' is an abstract class}} \ + // expected-error{{return type 'A' is an abstract class}} +{ + A a; // expected-error{{variable type 'A' is an abstract class}} + (void)static_cast<A>(0); + try { + } catch(A) { // expected-error{{variable type 'A' is an abstract class}} + } +} + +namespace rdar9670557 { + typedef int func(int); + func *a(); + struct X { + virtual func f = 0; + virtual func (g) = 0; + func *h = 0; + }; +} |