forked from OSchip/llvm-project
64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -fcxx-exceptions -verify -std=c++11 %s
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class A {
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virtual void f();
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virtual void g() = 0; // expected-note{{unimplemented pure virtual method 'g' in 'A'}}
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void h() = 0; // expected-error {{'h' is not virtual and cannot be declared pure}}
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void i() = 1; // expected-error {{initializer on function does not look like a pure-specifier}}
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void j() = 0u; // expected-error {{initializer on function does not look like a pure-specifier}}
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void k();
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public:
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A(int);
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};
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virtual void A::k() { } // expected-error{{'virtual' can only be specified inside the class definition}}
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class B : public A {
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// Needs to recognize that overridden function is virtual.
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void g() = 0;
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// Needs to recognize that function does not override.
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void g(int) = 0; // expected-error{{'g' is not virtual and cannot be declared pure}}
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};
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// Needs to recognize invalid uses of abstract classes.
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A fn(A) // expected-error{{parameter type 'A' is an abstract class}} \
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// expected-error{{return type 'A' is an abstract class}}
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{
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A a; // expected-error{{variable type 'A' is an abstract class}}
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(void)static_cast<A>(0); // expected-error{{allocating an object of abstract class type 'A'}}
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try {
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} catch(A) { // expected-error{{variable type 'A' is an abstract class}}
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}
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}
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namespace rdar9670557 {
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typedef int func(int);
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func *a();
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struct X {
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virtual func f = 0;
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virtual func (g) = 0;
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func *h = 0;
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};
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}
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namespace pr8264 {
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struct Test {
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virtual virtual void func(); // expected-warning {{duplicate 'virtual' declaration specifier}}
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};
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}
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namespace VirtualFriend {
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// DR (filed but no number yet): reject meaningless pure-specifier on a friend declaration.
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struct A { virtual int f(); };
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struct B { friend int A::f() = 0; }; // expected-error {{friend declaration cannot have a pure-specifier}}
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struct C {
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virtual int f();
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friend int C::f() = 0; // expected-error {{friend declaration cannot have a pure-specifier}}
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};
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}
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