diff --git a/CMakeLists.txt b/CMakeLists.txt
index 32578ac..cf67540 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -45,8 +45,7 @@ function(add_node_api_cts_addon ADDON_NAME)
 endfunction()
 
 function(add_node_api_cts_experimental_addon ADDON_NAME)
-  cmake_parse_arguments(PARSE_ARGV 1 ARG "" "" "SOURCES")
-  add_node_api_cts_addon(${ADDON_NAME} ${ARG_SOURCES})
+  add_node_api_cts_addon(${ADDON_NAME} ${ARGN})
   target_compile_definitions(${ADDON_NAME} PRIVATE NAPI_EXPERIMENTAL)
   if(MSVC)
     target_link_libraries(${ADDON_NAME} PRIVATE ${NODE_API_EXPERIMENTAL_LIB})
diff --git a/PORTING.md b/PORTING.md
index 657cbb3..4e64f35 100644
--- a/PORTING.md
+++ b/PORTING.md
@@ -68,7 +68,7 @@ Tests covering the engine-specific part of Node-API, defined in `js_native_api.h
 | `test_properties`            | Ported ✅  | Easy       |
 | `test_reference`             | Not ported | Medium     |
 | `test_reference_double_free` | Ported ✅  | Easy       |
-| `test_sharedarraybuffer`     | Not ported | Medium     |
+| `test_sharedarraybuffer`     | Ported ✅  | Medium     |
 | `test_string`                | Not ported | Medium     |
 | `test_symbol`                | Ported ✅  | Easy       |
 | `test_typedarray`            | Not ported | Medium     |
diff --git a/tests/js-native-api/test_sharedarraybuffer/CMakeLists.txt b/tests/js-native-api/test_sharedarraybuffer/CMakeLists.txt
new file mode 100644
index 0000000..d9b8aba
--- /dev/null
+++ b/tests/js-native-api/test_sharedarraybuffer/CMakeLists.txt
@@ -0,0 +1 @@
+add_node_api_cts_experimental_addon(test_sharedarraybuffer test_sharedarraybuffer.c)
diff --git a/tests/js-native-api/test_sharedarraybuffer/test.js b/tests/js-native-api/test_sharedarraybuffer/test.js
new file mode 100644
index 0000000..a8e50c9
--- /dev/null
+++ b/tests/js-native-api/test_sharedarraybuffer/test.js
@@ -0,0 +1,88 @@
+"use strict";
+
+if (experimentalFeatures.sharedArrayBuffer) {
+  const test_sharedarraybuffer = loadAddon("test_sharedarraybuffer");
+
+  {
+    const sab = new SharedArrayBuffer(16);
+    const ab = new ArrayBuffer(16);
+    const obj = {};
+    const arr = [];
+
+    assert.strictEqual(
+      test_sharedarraybuffer.TestIsSharedArrayBuffer(sab),
+      true,
+    );
+    assert.strictEqual(
+      test_sharedarraybuffer.TestIsSharedArrayBuffer(ab),
+      false,
+    );
+    assert.strictEqual(
+      test_sharedarraybuffer.TestIsSharedArrayBuffer(obj),
+      false,
+    );
+    assert.strictEqual(
+      test_sharedarraybuffer.TestIsSharedArrayBuffer(arr),
+      false,
+    );
+    assert.strictEqual(
+      test_sharedarraybuffer.TestIsSharedArrayBuffer(null),
+      false,
+    );
+    assert.strictEqual(
+      test_sharedarraybuffer.TestIsSharedArrayBuffer(undefined),
+      false,
+    );
+  }
+
+  // Test node_api_create_sharedarraybuffer
+  {
+    const sab = test_sharedarraybuffer.TestCreateSharedArrayBuffer(16);
+    assert(sab instanceof SharedArrayBuffer);
+    assert.strictEqual(sab.byteLength, 16);
+  }
+
+  // Test node_api_create_get_sharedarraybuffer_info
+  {
+    const sab = new SharedArrayBuffer(32);
+    const byteLength = test_sharedarraybuffer.TestGetSharedArrayBufferInfo(sab);
+    assert.strictEqual(byteLength, 32);
+  }
+
+  // Test data access
+  {
+    const sab = new SharedArrayBuffer(8);
+    const result = test_sharedarraybuffer.TestSharedArrayBufferData(sab);
+    assert.strictEqual(result, true);
+
+    // Check if data was written correctly
+    const view = new Uint8Array(sab);
+    for (let i = 0; i < 8; i++) {
+      assert.strictEqual(view[i], i % 256);
+    }
+  }
+
+  // Test data pointer from existing SharedArrayBuffer
+  {
+    const sab = new SharedArrayBuffer(16);
+    const result = test_sharedarraybuffer.TestSharedArrayBufferData(sab);
+    assert.strictEqual(result, true);
+  }
+
+  // Test zero-length SharedArrayBuffer
+  {
+    const sab = test_sharedarraybuffer.TestCreateSharedArrayBuffer(0);
+    assert(sab instanceof SharedArrayBuffer);
+    assert.strictEqual(sab.byteLength, 0);
+  }
+
+  // Test invalid arguments
+  {
+    assert.throws(
+      () => {
+        test_sharedarraybuffer.TestGetSharedArrayBufferInfo({});
+      },
+      { name: "Error", message: "Invalid argument" },
+    );
+  }
+}
diff --git a/tests/js-native-api/test_sharedarraybuffer/test_sharedarraybuffer.c b/tests/js-native-api/test_sharedarraybuffer/test_sharedarraybuffer.c
new file mode 100644
index 0000000..661e52c
--- /dev/null
+++ b/tests/js-native-api/test_sharedarraybuffer/test_sharedarraybuffer.c
@@ -0,0 +1,130 @@
+#define NAPI_EXPERIMENTAL
+#include <js_native_api.h>
+#include <string.h>
+#include "../common.h"
+#include "../entry_point.h"
+
+static napi_value TestIsSharedArrayBuffer(napi_env env,
+                                          napi_callback_info info) {
+  size_t argc = 1;
+  napi_value args[1];
+  NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
+
+  NODE_API_ASSERT(env, argc >= 1, "Wrong number of arguments");
+
+  bool is_sharedarraybuffer;
+  NODE_API_CALL(
+      env, node_api_is_sharedarraybuffer(env, args[0], &is_sharedarraybuffer));
+
+  napi_value ret;
+  NODE_API_CALL(env, napi_get_boolean(env, is_sharedarraybuffer, &ret));
+
+  return ret;
+}
+
+static napi_value TestCreateSharedArrayBuffer(napi_env env,
+                                              napi_callback_info info) {
+  size_t argc = 1;
+  napi_value args[1];
+  NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
+
+  NODE_API_ASSERT(env, argc >= 1, "Wrong number of arguments");
+
+  napi_valuetype valuetype0;
+  NODE_API_CALL(env, napi_typeof(env, args[0], &valuetype0));
+
+  NODE_API_ASSERT(
+      env,
+      valuetype0 == napi_number,
+      "Wrong type of arguments. Expects a number as first argument.");
+
+  int32_t byte_length;
+  NODE_API_CALL(env, napi_get_value_int32(env, args[0], &byte_length));
+
+  NODE_API_ASSERT(env,
+                  byte_length >= 0,
+                  "Invalid byte length. Expects a non-negative integer.");
+
+  napi_value ret;
+  void* data;
+  NODE_API_CALL(
+      env, node_api_create_sharedarraybuffer(env, byte_length, &data, &ret));
+
+  return ret;
+}
+
+static napi_value TestGetSharedArrayBufferInfo(napi_env env,
+                                               napi_callback_info info) {
+  size_t argc = 1;
+  napi_value args[1];
+  NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
+
+  NODE_API_ASSERT(env, argc >= 1, "Wrong number of arguments");
+
+  void* data;
+  size_t byte_length;
+  NODE_API_CALL(env,
+                napi_get_arraybuffer_info(env, args[0], &data, &byte_length));
+
+  napi_value ret;
+  NODE_API_CALL(env, napi_create_uint32(env, byte_length, &ret));
+
+  return ret;
+}
+
+static void WriteTestDataToBuffer(void* data, size_t byte_length) {
+  if (byte_length > 0 && data != NULL) {
+    uint8_t* bytes = (uint8_t*)data;
+    for (size_t i = 0; i < byte_length; i++) {
+      bytes[i] = i % 256;
+    }
+  }
+}
+
+static napi_value TestSharedArrayBufferData(napi_env env,
+                                            napi_callback_info info) {
+  size_t argc = 1;
+  napi_value args[1];
+  NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
+
+  NODE_API_ASSERT(env, argc >= 1, "Wrong number of arguments");
+
+  void* data;
+  size_t byte_length;
+  NODE_API_CALL(env,
+                napi_get_arraybuffer_info(env, args[0], &data, &byte_length));
+
+  WriteTestDataToBuffer(data, byte_length);
+
+  // Return the same data pointer validity
+  bool data_valid = (data != NULL) && (byte_length > 0);
+
+  napi_value ret;
+  NODE_API_CALL(env, napi_get_boolean(env, data_valid, &ret));
+
+  return ret;
+}
+
+EXTERN_C_START
+napi_value Init(napi_env env, napi_value exports) {
+  napi_property_descriptor descriptors[] = {
+      DECLARE_NODE_API_PROPERTY("TestIsSharedArrayBuffer",
+                                TestIsSharedArrayBuffer),
+      DECLARE_NODE_API_PROPERTY("TestCreateSharedArrayBuffer",
+                                TestCreateSharedArrayBuffer),
+      DECLARE_NODE_API_PROPERTY("TestGetSharedArrayBufferInfo",
+                                TestGetSharedArrayBufferInfo),
+      DECLARE_NODE_API_PROPERTY("TestSharedArrayBufferData",
+                                TestSharedArrayBufferData),
+  };
+
+  NODE_API_CALL(
+      env,
+      napi_define_properties(env,
+                             exports,
+                             sizeof(descriptors) / sizeof(*descriptors),
+                             descriptors));
+
+  return exports;
+}
+EXTERN_C_END