diff --git a/test/libpldm_fileio_test.cpp b/test/libpldm_fileio_test.cpp
new file mode 100644
index 0000000..4968d39
--- /dev/null
+++ b/test/libpldm_fileio_test.cpp
@@ -0,0 +1,104 @@
+#include <string.h>
+
+#include <array>
+
+#include "libpldm/base.h"
+#include "libpldm/file_io.h"
+
+#include <gtest/gtest.h>
+
+TEST(ReadFileIntoMemory, testGoodDecodeRequest)
+{
+    std::array<uint8_t, PLDM_READ_FILE_MEM_REQ_BYTES> requestMsg{};
+
+    // Random value for fileHandle, offset, length, address
+    uint32_t fileHandle = 0x12345678;
+    uint32_t offset = 0x87654321;
+    uint32_t length = 0x13245768;
+    uint64_t address = 0x124356879ACBDE0F;
+
+    memcpy(requestMsg.data(), &fileHandle, sizeof(fileHandle));
+    memcpy(requestMsg.data() + sizeof(fileHandle), &offset, sizeof(offset));
+    memcpy(requestMsg.data() + sizeof(fileHandle) + sizeof(offset), &length,
+           sizeof(length));
+    memcpy(requestMsg.data() + sizeof(fileHandle) + sizeof(offset) +
+               sizeof(length),
+           &address, sizeof(address));
+
+    uint32_t retFileHandle = 0;
+    uint32_t retOffset = 0;
+    uint32_t retLength = 0;
+    uint64_t retAddress = 0;
+
+    // Invoke decode the read file memory request
+    auto rc = decode_read_file_memory_req(requestMsg.data(), requestMsg.size(),
+                                          &retFileHandle, &retOffset,
+                                          &retLength, &retAddress);
+
+    ASSERT_EQ(rc, PLDM_SUCCESS);
+    ASSERT_EQ(fileHandle, retFileHandle);
+    ASSERT_EQ(offset, retOffset);
+    ASSERT_EQ(length, retLength);
+    ASSERT_EQ(address, retAddress);
+}
+
+TEST(ReadFileIntoMemory, testBadDecodeRequest)
+{
+    uint32_t fileHandle = 0;
+    uint32_t offset = 0;
+    uint32_t length = 0;
+    uint64_t address = 0;
+
+    // Request payload message is missing
+    auto rc = decode_read_file_memory_req(NULL, 0, &fileHandle, &offset,
+                                          &length, &address);
+    ASSERT_EQ(rc, PLDM_ERROR_INVALID_DATA);
+
+    std::array<uint8_t, PLDM_READ_FILE_MEM_REQ_BYTES> requestMsg{};
+
+    // Address is NULL
+    rc = decode_read_file_memory_req(requestMsg.data(), requestMsg.size(),
+                                     &fileHandle, &offset, &length, NULL);
+    ASSERT_EQ(rc, PLDM_ERROR_INVALID_DATA);
+
+    // Payload length is invalid
+    rc = decode_read_file_memory_req(requestMsg.data(), 0, &fileHandle, &offset,
+                                     &length, &address);
+    ASSERT_EQ(rc, PLDM_ERROR_INVALID_LENGTH);
+}
+
+TEST(ReadFileIntoMemory, testGoodEncodeResponse)
+{
+    std::array<uint8_t, sizeof(pldm_msg_hdr) + PLDM_READ_FILE_MEM_RESP_BYTES>
+        responseMsg{};
+    uint32_t length = 0xFF00EE11;
+    pldm_msg* response = reinterpret_cast<pldm_msg*>(responseMsg.data());
+
+    auto rc = encode_read_file_memory_resp(0, PLDM_SUCCESS, length, response);
+
+    ASSERT_EQ(rc, PLDM_SUCCESS);
+    ASSERT_EQ(response->hdr.request, PLDM_RESPONSE);
+    ASSERT_EQ(response->hdr.instance_id, 0);
+    ASSERT_EQ(response->hdr.type, PLDM_IBM_OEM_TYPE);
+    ASSERT_EQ(response->hdr.command, PLDM_READ_FILE_INTO_MEMORY);
+    ASSERT_EQ(response->payload[0], PLDM_SUCCESS);
+    ASSERT_EQ(0, memcmp(response->payload + sizeof(response->payload[0]),
+                        &length, sizeof(length)));
+}
+
+TEST(ReadFileIntoMemory, testBadEncodeResponse)
+{
+    std::array<uint8_t, sizeof(pldm_msg_hdr) + PLDM_READ_FILE_MEM_RESP_BYTES>
+        responseMsg{};
+    uint32_t length = 0;
+    pldm_msg* response = reinterpret_cast<pldm_msg*>(responseMsg.data());
+
+    auto rc = encode_read_file_memory_resp(0, PLDM_ERROR, length, response);
+
+    ASSERT_EQ(rc, PLDM_SUCCESS);
+    ASSERT_EQ(response->hdr.request, PLDM_RESPONSE);
+    ASSERT_EQ(response->hdr.instance_id, 0);
+    ASSERT_EQ(response->hdr.type, PLDM_IBM_OEM_TYPE);
+    ASSERT_EQ(response->hdr.command, PLDM_READ_FILE_INTO_MEMORY);
+    ASSERT_EQ(response->payload[0], PLDM_ERROR);
+}