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-rw-r--r--clang/test/SemaCXX/virtuals.cpp47
1 files changed, 47 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/virtuals.cpp b/clang/test/SemaCXX/virtuals.cpp
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+// 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;
+ };
+}