Add test case for member name lookup

llvm-svn: 62324

clang/test/SemaCXX/member-name-lookup.cpp

@@ -0,0 +1,132 @@
+// RUN: clang -fsyntax-only -verify %s
+
+struct A { 
+  int a;  // expected-note{{member found by ambiguous name lookup}}
+  static int b;
+  static int c; // expected-note{{member found by ambiguous name lookup}}
+
+  enum E { enumerator };
+
+  typedef int type;
+
+  static void f(int);
+  void f(float); // expected-note{{member found by ambiguous name lookup}}
+
+  static void static_f(int);
+  static void static_f(double);
+};
+
+struct B : A {
+  int d; // expected-note{{member found by ambiguous name lookup}}
+
+  enum E2 { enumerator2 };
+
+  enum E3 { enumerator3 }; // expected-note{{member found by ambiguous name lookup}}
+};
+
+struct C : A {
+  int c; // expected-note{{member found by ambiguous name lookup}}
+  int d; // expected-note{{member found by ambiguous name lookup}}
+
+  enum E3 { enumerator3_2 }; // expected-note{{member found by ambiguous name lookup}}
+};
+
+struct D : B, C {
+  void test_lookup();
+};
+
+void test_lookup(D d) {
+  d.a; // expected-error{{non-static member 'a' found in multiple base-class subobjects of type 'struct A'}}
+  (void)d.b; // okay
+  d.c; // expected-error{{member 'c' found in multiple base classes of different types}}
+  d.d; // expected-error{{member 'd' found in multiple base classes of different types}}
+  d.f(0); // expected-error{{non-static member 'f' found in multiple base-class subobjects of type 'struct A'}}
+  d.static_f(0); // okay
+
+  D::E e = D::enumerator; // okay
+  D::type t = 0; // okay
+
+  D::E2 e2 = D::enumerator2; // okay
+
+  D::E3 e3; // expected-error{{member 'E3' found in multiple base classes of different types}}
+}
+
+void D::test_lookup() {
+  a; // expected-error{{non-static member 'a' found in multiple base-class subobjects of type 'struct A'}}
+  (void)b; // okay
+  c; // expected-error{{member 'c' found in multiple base classes of different types}}
+  d; // expected-error{{member 'd' found in multiple base classes of different types}}
+  f(0); // expected-error{{non-static member 'f' found in multiple base-class subobjects of type 'struct A'}}
+  static_f(0); // okay
+
+  // FIXME: should work  E e = D::enumerator; // okay
+  type t = 0; // okay
+
+  // FIXME:  E2 e2 = D::enumerator2; // okay
+
+  E3 e3; // expected-error{{member 'E3' found in multiple base classes of different types}}
+}
+
+struct B2 : virtual A {
+  int d; // expected-note{{member found by ambiguous name lookup}}
+
+  enum E2 { enumerator2 };
+
+  enum E3 { enumerator3 }; // expected-note{{member found by ambiguous name lookup}}
+};
+
+struct C2 : virtual A {
+  int c; // expected-note{{member found by ambiguous name lookup}}
+  int d; // expected-note{{member found by ambiguous name lookup}}
+
+  enum E3 { enumerator3_2 }; // expected-note{{member found by ambiguous name lookup}}
+};
+
+struct D2 : B2, C2 { 
+  void test_virtual_lookup();
+};
+
+struct F : A { };
+struct G : F, D2 { 
+  void test_virtual_lookup();
+};
+
+void test_virtual_lookup(D2 d2, G g) {
+  (void)d2.a;
+  (void)d2.b;
+  d2.c; // expected-error{{member 'c' found in multiple base classes of different types}}
+  d2.d; // expected-error{{member 'd' found in multiple base classes of different types}}
+  d2.f(0); // okay
+  d2.static_f(0); // okay
+
+  D2::E e = D2::enumerator; // okay
+  D2::type t = 0; // okay
+
+  D2::E2 e2 = D2::enumerator2; // okay
+
+  D2::E3 e3; // expected-error{{member 'E3' found in multiple base classes of different types}}
+
+  g.a; // expected-error{{non-static member 'a' found in multiple base-class subobjects of type 'struct A'}}
+  g.static_f(0); // okay
+}
+
+void D2::test_virtual_lookup() {
+  (void)a;
+  (void)b;
+  c; // expected-error{{member 'c' found in multiple base classes of different types}}
+  d; // expected-error{{member 'd' found in multiple base classes of different types}}
+  f(0); // okay
+  static_f(0); // okay
+
+  E e = enumerator; // okay
+  type t = 0; // okay
+
+  E2 e2 = enumerator2; // okay
+
+  E3 e3; // expected-error{{member 'E3' found in multiple base classes of different types}}
+}
+
+void G::test_virtual_lookup() {
+  a; // expected-error{{non-static member 'a' found in multiple base-class subobjects of type 'struct A'}}
+  static_f(0); // okay
+}