diff --git a/src/uvw/handle.hpp b/src/uvw/handle.hpp
index c4197199..9edd0b85 100644
--- a/src/uvw/handle.hpp
+++ b/src/uvw/handle.hpp
@@ -163,7 +163,7 @@ public:
      *
      * @return The size of the send buffer, 0 in case of errors.
      */
-    int sendBufferSize() const {
+    int sendBufferSize() {
         int value = 0;
         auto err = uv_send_buffer_size(this->template get<uv_handle_t>(), &value);
         return err ? 0 : value;
@@ -195,7 +195,7 @@ public:
      *
      * @return The size of the receive buffer, 0 in case of errors.
      */
-    int recvBufferSize() const {
+    int recvBufferSize() {
         int value = 0;
         auto err = uv_recv_buffer_size(this->template get<uv_handle_t>(), &value);
         return err ? 0 : value;
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 140da7e2..7ba15032 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -35,6 +35,7 @@ set(TARGET_MAIN main)
 set(TARGET_ASYNC async)
 set(TARGET_CHECK check)
 set(TARGET_EMITTER emitter)
+set(TARGET_HANDLE handle)
 set(TARGET_IDLE idle)
 set(TARGET_LOOP loop)
 set(TARGET_PREPARE prepare)
@@ -74,6 +75,14 @@ target_include_directories(${TARGET_EMITTER} PRIVATE ${COMMON_INCLUDE_DIRS})
 target_link_libraries(${TARGET_EMITTER} PRIVATE ${COMMON_LINK_LIBS})
 add_test(NAME ${TARGET_EMITTER} COMMAND ${TARGET_EMITTER})
 
+# Test TARGET_HANDLE
+
+set(TARGET_HANDLE_SOURCES $<TARGET_OBJECTS:odr> uvw/handle.cpp)
+add_executable(${TARGET_HANDLE} ${TARGET_HANDLE_SOURCES})
+target_include_directories(${TARGET_HANDLE} PRIVATE ${COMMON_INCLUDE_DIRS})
+target_link_libraries(${TARGET_HANDLE} PRIVATE ${COMMON_LINK_LIBS})
+add_test(NAME ${TARGET_HANDLE} COMMAND ${TARGET_HANDLE})
+
 # Test TARGET_IDLE
 
 set(TARGET_IDLE_SOURCES $<TARGET_OBJECTS:odr> uvw/idle.cpp)
diff --git a/test/uvw/handle.cpp b/test/uvw/handle.cpp
new file mode 100644
index 00000000..bd50b70a
--- /dev/null
+++ b/test/uvw/handle.cpp
@@ -0,0 +1,28 @@
+#include <gtest/gtest.h>
+#include <uvw.hpp>
+
+
+TEST(Handle, Functionalities) {
+    auto loop = uvw::Loop::getDefault();
+    auto handle = loop->resource<uvw::AsyncHandle>();
+
+    ASSERT_TRUE(handle->active());
+    ASSERT_FALSE(handle->closing());
+    ASSERT_NO_THROW(handle->close());
+    ASSERT_FALSE(handle->active());
+
+    ASSERT_NO_THROW(handle->reference());
+    ASSERT_TRUE(handle->referenced());
+    ASSERT_NO_THROW(handle->unreference());
+    ASSERT_FALSE(handle->referenced());
+
+    ASSERT_NE(handle->size(), static_cast<decltype(handle->size())>(0));
+
+    ASSERT_EQ(handle->sendBufferSize(), static_cast<decltype(handle->sendBufferSize())>(0));
+    ASSERT_FALSE(handle->sendBufferSize(0));
+
+    ASSERT_EQ(handle->recvBufferSize(), static_cast<decltype(handle->recvBufferSize())>(0));
+    ASSERT_FALSE(handle->recvBufferSize(0));
+
+    ASSERT_NO_THROW(handle->fileno());
+}