1 files changed, 63 insertions, 0 deletions
diff --git a/build/clang-plugin/tests/TestMustOverride.cpp b/build/clang-plugin/tests/TestMustOverride.cpp
new file mode 100644
index 000000000..8e053f6c2
--- /dev/null
+++ b/build/clang-plugin/tests/TestMustOverride.cpp
@@ -0,0 +1,63 @@
+#define MOZ_MUST_OVERRIDE __attribute__((annotate("moz_must_override")))
+// Ignore warnings not related to static analysis here
+#pragma GCC diagnostic ignored "-Woverloaded-virtual"
+
+struct S {
+  virtual void f() MOZ_MUST_OVERRIDE; // expected-note {{function to override is here}}
+  virtual void g() MOZ_MUST_OVERRIDE;
+  virtual void h() MOZ_MUST_OVERRIDE; // expected-note {{function to override is here}}
+};
+struct C : S { // expected-error {{'C' must override 'f'}} expected-error {{'C' must override 'h'}}
+  virtual void g() MOZ_MUST_OVERRIDE; // expected-note {{function to override is here}}
+  virtual void h(int);
+  void q() MOZ_MUST_OVERRIDE; // expected-note {{function to override is here}}
+};
+struct D : C { // expected-error {{'D' must override 'g'}} expected-error {{'D' must override 'q'}}
+  virtual void f();
+};
+
+struct Base {
+  virtual void VirtMethod() MOZ_MUST_OVERRIDE; // expected-note {{function to override is here}}
+  void NonVirtMethod() MOZ_MUST_OVERRIDE; // expected-note {{function to override is here}}
+  static void StaticMethod() MOZ_MUST_OVERRIDE;
+};
+
+struct DoesNotPropagate : Base {
+  virtual void VirtMethod();
+  void NonVirtMethod();
+  static void StaticMethod();
+};
+
+struct Final : DoesNotPropagate { };
+
+struct Propagates : Base {
+  virtual void VirtMethod() MOZ_MUST_OVERRIDE; // expected-note {{function to override is here}}
+  void NonVirtMethod() MOZ_MUST_OVERRIDE; // expected-note {{function to override is here}}
+  static void StaticMethod() MOZ_MUST_OVERRIDE; // expected-note {{function to override is here}}
+};
+
+struct FailsFinal : Propagates { }; // expected-error {{'FailsFinal' must override 'VirtMethod'}} expected-error {{'FailsFinal' must override 'NonVirtMethod'}} expected-error {{'FailsFinal' must override 'StaticMethod'}}
+
+struct WrongOverload : Base { // expected-error {{'WrongOverload' must override 'VirtMethod'}} expected-error {{'WrongOverload' must override 'NonVirtMethod'}}
+  virtual void VirtMethod() const;
+  void NonVirtMethod(int param);
+  static void StaticMethod();
+};
+
+namespace A { namespace B { namespace C {
+  struct Param {};
+  struct Base {
+    void f(Param p) MOZ_MUST_OVERRIDE; // expected-note {{function to override is here}}
+  };
+}}}
+
+struct Param {};
+
+struct Derived : A::B::C::Base {
+  typedef A::B::C::Param Typedef;
+  void f(Typedef t);
+};
+
+struct BadDerived : A::B::C::Base { // expected-error {{'BadDerived' must override 'f'}}
+  void f(Param p);
+};