Function TEST

cpp/fory/serialization/weak_ptr_serializer_test.cc:47–52

// ============================================================================

TEST(SharedWeakTest, DefaultConstructor) {
  SharedWeak<int32_t> weak;
  EXPECT_TRUE(weak.expired());
  EXPECT_EQ(weak.upgrade(), nullptr);
  EXPECT_EQ(weak.use_count(), 0);
}

TEST(SharedWeakTest, FromSharedPtr) {
  auto strong = std::make_shared<int32_t>(42);