Very basic support for pure virtual functions.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62003 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/virtuals.cpp b/test/SemaCXX/virtuals.cpp
new file mode 100644
index 0000000..6cbf3ef
--- /dev/null
+++ b/test/SemaCXX/virtuals.cpp
@@ -0,0 +1,33 @@
+// RUN: clang -fsyntax-only -verify %s
+
+class A {
+ virtual void f();
+ virtual void g() = 0;
+
+ 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}}
+
+public:
+ A(int);
+};
+
+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;
+};
+
+// Needs to recognize invalid uses of abstract classes.
+/*
+A fn(A)
+{
+ A a;
+ static_cast<A>(0);
+ try {
+ } catch(A) {
+ }
+}
+*/