Initial commit

tests/common/utils/TestThief.cc

@@ -0,0 +1,32 @@
+#include <type_traits>
+
+#include "common/utils/Thief.h"
+#include "common/utils/TypeTraits.h"
+#include "tests/GtestHelpers.h"
+
+namespace hf3fs::test {
+namespace {
+
+class A {
+ public:
+  auto &secret() { return secret_; }
+
+ private:
+  int secret_ = 0;
+};
+
+template <typename Tag, auto Value>
+struct StoreValue : public std::type_identity<thief::steal<Tag, value_identity<Value>>> {};
+
+struct Tag;
+template struct StoreValue<Tag, &A::secret_>;
+
+TEST(TestThief, AccessPrivateMember) {
+  A a;
+  a.secret() = 20;
+
+  ASSERT_EQ(a.*thief::retrieve<Tag>::value, 20);
+}
+
+}  // namespace
+}  // namespace hf3fs::test