diff options
Diffstat (limited to 'build/clang-plugin/tests/TestKungFuDeathGrip.cpp')
| -rw-r--r-- | build/clang-plugin/tests/TestKungFuDeathGrip.cpp | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/build/clang-plugin/tests/TestKungFuDeathGrip.cpp b/build/clang-plugin/tests/TestKungFuDeathGrip.cpp new file mode 100644 index 000000000..0b94d8a88 --- /dev/null +++ b/build/clang-plugin/tests/TestKungFuDeathGrip.cpp @@ -0,0 +1,107 @@ +#define MOZ_IMPLICIT __attribute__((annotate("moz_implicit"))) + +template <typename T> +class already_AddRefed { +public: + already_AddRefed(); + T* mPtr; +}; + +template <typename T> +class RefPtr { +public: + RefPtr(); + MOZ_IMPLICIT RefPtr(T* aIn); + MOZ_IMPLICIT RefPtr(already_AddRefed<T> aIn); + ~RefPtr(); + T* mPtr; +}; + +template <typename T> +class nsCOMPtr { +public: + nsCOMPtr(); + MOZ_IMPLICIT nsCOMPtr(T* aIn); + MOZ_IMPLICIT nsCOMPtr(already_AddRefed<T> aIn); + ~nsCOMPtr(); + T* mPtr; +}; + +class Type { +public: + static nsCOMPtr<Type> someStaticCOMPtr; + + void f(nsCOMPtr<Type> ignoredArgument, Type *param) { + nsCOMPtr<Type> never_referenced; + nsCOMPtr<Type> kfdg_t1(this); + nsCOMPtr<Type> kfdg_t2 = this; + + nsCOMPtr<Type> kfdg_m1(p); // expected-error {{Unused "kungFuDeathGrip" 'nsCOMPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m1', or explicitly pass 'kfdg_m1' to `mozilla::Unused`}} + nsCOMPtr<Type> kfdg_m2 = p; // expected-error {{Unused "kungFuDeathGrip" 'nsCOMPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m2', or explicitly pass 'kfdg_m2' to `mozilla::Unused`}} + nsCOMPtr<Type> kfdg_m3(p); + kfdg_m3.mPtr->f(nullptr, nullptr); + nsCOMPtr<Type> kfdg_m4 = p; + kfdg_m4.mPtr->f(nullptr, nullptr); + + nsCOMPtr<Type> kfdg_a1((already_AddRefed<Type>())); + nsCOMPtr<Type> kfdg_a2 = already_AddRefed<Type>(); + + nsCOMPtr<Type> kfdg_p1(param); + nsCOMPtr<Type> kfdg_p2 = param; + + + RefPtr<Type> never_referenced2; + RefPtr<Type> kfdg_t3(this); + RefPtr<Type> kfdg_t4 = this; + + RefPtr<Type> kfdg_m5(p); // expected-error {{Unused "kungFuDeathGrip" 'RefPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m5', or explicitly pass 'kfdg_m5' to `mozilla::Unused`}} + RefPtr<Type> kfdg_m6 = p; // expected-error {{Unused "kungFuDeathGrip" 'RefPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m6', or explicitly pass 'kfdg_m6' to `mozilla::Unused`}} + RefPtr<Type> kfdg_m7(p); + kfdg_m7.mPtr->f(nullptr, nullptr); + RefPtr<Type> kfdg_m8 = p; + kfdg_m8.mPtr->f(nullptr, nullptr); + + RefPtr<Type> kfdg_a3((already_AddRefed<Type>())); + RefPtr<Type> kfdg_a4 = already_AddRefed<Type>(); + + RefPtr<Type> kfdg_p3(param); + RefPtr<Type> kfdg_p4 = param; + } + + Type *p; +}; + +void f(nsCOMPtr<Type> ignoredArgument, Type *param) { + nsCOMPtr<Type> never_referenced; + Type t; + // Type *p = nullptr; + nsCOMPtr<Type> kfdg_m1(t.p); // expected-error {{Unused "kungFuDeathGrip" 'nsCOMPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m1', or explicitly pass 'kfdg_m1' to `mozilla::Unused`}} + nsCOMPtr<Type> kfdg_m2 = t.p; // expected-error {{Unused "kungFuDeathGrip" 'nsCOMPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m2', or explicitly pass 'kfdg_m2' to `mozilla::Unused`}} + nsCOMPtr<Type> kfdg_m3(t.p); + kfdg_m3.mPtr->f(nullptr, nullptr); + nsCOMPtr<Type> kfdg_m4 = t.p; + kfdg_m4.mPtr->f(nullptr, nullptr); + + nsCOMPtr<Type> kfdg_a1((already_AddRefed<Type>())); + nsCOMPtr<Type> kfdg_a2 = already_AddRefed<Type>(); + + nsCOMPtr<Type> kfdg_p1(param); + nsCOMPtr<Type> kfdg_p2 = param; + + + RefPtr<Type> never_referenced2; + RefPtr<Type> kfdg_m5(t.p); // expected-error {{Unused "kungFuDeathGrip" 'RefPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m5', or explicitly pass 'kfdg_m5' to `mozilla::Unused`}} + RefPtr<Type> kfdg_m6 = t.p; // expected-error {{Unused "kungFuDeathGrip" 'RefPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m6', or explicitly pass 'kfdg_m6' to `mozilla::Unused`}} + RefPtr<Type> kfdg_m7(t.p); + kfdg_m7.mPtr->f(nullptr, nullptr); + RefPtr<Type> kfdg_m8 = t.p; + kfdg_m8.mPtr->f(nullptr, nullptr); + + RefPtr<Type> kfdg_a3((already_AddRefed<Type>())); + RefPtr<Type> kfdg_a4 = already_AddRefed<Type>(); + + RefPtr<Type> kfdg_p3(param); + RefPtr<Type> kfdg_p4 = param; +} + +nsCOMPtr<Type> Type::someStaticCOMPtr(nullptr); |