diff --git a/test/handler_readwrite_unittest.cpp b/test/handler_readwrite_unittest.cpp
new file mode 100644
index 0000000..b335596
--- /dev/null
+++ b/test/handler_readwrite_unittest.cpp
@@ -0,0 +1,54 @@
+#include "handler_unittest.hpp"
+
+using ::testing::_;
+using ::testing::Return;
+using ::testing::StartsWith;
+
+using namespace std::string_literals;
+using namespace binstore;
+
+namespace blobs
+{
+
+class BinaryStoreBlobHandlerReadWriteTest : public BinaryStoreBlobHandlerTest
+{
+  protected:
+    static inline std::string rwTestBaseId = "/test/"s;
+    static inline std::string rwTestBlobId = "/test/blob0"s;
+    static inline std::vector<uint8_t> rwTestData = {0, 1, 2, 3, 4,
+                                                     5, 6, 7, 8, 9};
+    static inline uint16_t rwTestSessionId = 0;
+    static inline uint32_t rwTestOffset = 0;
+};
+
+TEST_F(BinaryStoreBlobHandlerReadWriteTest, ReadWriteReturnsWhatStoreReturns)
+{
+    auto testBaseId = "/test/"s;
+    auto testBlobId = "/test/blob0"s;
+    uint16_t flags = OpenFlags::read;
+    const std::vector<uint8_t> emptyData;
+    auto bstore = std::make_unique<MockBinaryStore>();
+
+    EXPECT_CALL(*bstore, getBaseBlobId()).WillRepeatedly(Return(testBaseId));
+    EXPECT_CALL(*bstore, canHandleBlob(StartsWith(testBaseId)))
+        .WillRepeatedly(Return(true));
+    EXPECT_CALL(*bstore, openOrCreateBlob(_, flags)).WillOnce(Return(true));
+    EXPECT_CALL(*bstore, read(rwTestOffset, _))
+        .WillOnce(Return(emptyData))
+        .WillOnce(Return(rwTestData));
+
+    EXPECT_CALL(*bstore, write(rwTestOffset, emptyData))
+        .WillOnce(Return(false));
+    EXPECT_CALL(*bstore, write(rwTestOffset, rwTestData))
+        .WillOnce(Return(true));
+
+    handler.addNewBinaryStore(std::move(bstore));
+
+    EXPECT_TRUE(handler.open(rwTestSessionId, flags, testBlobId));
+    EXPECT_EQ(emptyData, handler.read(rwTestSessionId, rwTestOffset, 1));
+    EXPECT_EQ(rwTestData, handler.read(rwTestSessionId, rwTestOffset, 1));
+    EXPECT_FALSE(handler.write(rwTestSessionId, rwTestOffset, emptyData));
+    EXPECT_TRUE(handler.write(rwTestSessionId, rwTestOffset, rwTestData));
+}
+
+} // namespace blobs