nodejs
diff --git a/‎lib/internal/test_runner/mock/mock_timers.js‎
Lines changed: 3 additions & 3 deletions b/‎lib/internal/test_runner/mock/mock_timers.js‎
Lines changed: 3 additions & 3 deletions
diff --git a/‎test/parallel/test-runner-mock-timers.js‎
Lines changed: 8 additions & 0 deletions b/‎test/parallel/test-runner-mock-timers.js‎
Lines changed: 8 additions & 0 deletions
@@ -23,8 +23,8 @@ const {
 
 const {
   validateAbortSignal,
-  validateArray,
   validateNumber,
+  validateStringArray,
 } = require('internal/validators');
 
 const {
@@ -676,7 +676,7 @@ class MockTimers {
    */
   /**
    * Enables the MockTimers replacing the native timers with the fake ones.
-   * @param {EnableOptions} options
+   * @param {EnableOptions} [options]
    */
   enable(options = { __proto__: null, apis: SUPPORTED_APIS, now: 0 }) {
     const internalOptions = { __proto__: null, ...options };
@@ -696,7 +696,7 @@ class MockTimers {
       internalOptions.apis = SUPPORTED_APIS;
     }
 
-    validateArray(internalOptions.apis, 'options.apis');
+    validateStringArray(internalOptions.apis, 'options.apis');
     // Check that the timers passed are supported
     ArrayPrototypeForEach(internalOptions.apis, (timer) => {
       if (!ArrayPrototypeIncludes(SUPPORTED_APIS, timer)) {
 
@@ -17,6 +17,14 @@ describe('Mock Timers Test Suite', () => {
       });
     });
 
+    it('should throw an error if data type of trying to enable a timer is not string', (t) => {
+      assert.throws(() => {
+        t.mock.timers.enable({ apis: [1] });
+      }, {
+        code: 'ERR_INVALID_ARG_TYPE',
+      });
+    });
+
     it('should throw an error if trying to enable a timer twice', (t) => {
       t.mock.timers.enable();
       assert.throws(() => {