diff --git a/test/functional-tests/custom-nodes/console-output-nodes/ConsoleOutputDisableExpressionNode.spec.ts b/test/functional-tests/custom-nodes/console-output-nodes/ConsoleOutputDisableExpressionNode.spec.ts
index 2b33ec53..5d0b997a 100644
--- a/test/functional-tests/custom-nodes/console-output-nodes/ConsoleOutputDisableExpressionNode.spec.ts
+++ b/test/functional-tests/custom-nodes/console-output-nodes/ConsoleOutputDisableExpressionNode.spec.ts
@@ -13,7 +13,7 @@ describe('ConsoleOutputDisableExpressionNode', () => {
             }
         );
 
-        assert.match(obfuscationResult.getObfuscatedCode(), /_\u0003\.log\u0001\.in/);
+        assert.match(obfuscationResult.getObfuscatedCode(), /for *\(_0x([a-z0-9]){5,6} in _0x([a-z0-9]){5,6} *= *_0x([a-z0-9]){4}\('0xc'\)\)/);
     });
 
     it('should\'t append `ConsoleOutputDisableExpressionNode` custom node into the obfuscated code if `disableConsoleOutput` option is not set', () => {
@@ -24,6 +24,6 @@ describe('ConsoleOutputDisableExpressionNode', () => {
             }
         );
 
-        assert.notMatch(obfuscationResult.getObfuscatedCode(), /_\u0003\.log\u0001\.in/);
+        assert.notMatch(obfuscationResult.getObfuscatedCode(), /for *\(_0x([a-z0-9]){5,6} in _0x([a-z0-9]){5,6} *= *_0x([a-z0-9]){4}\('0xc'\)\)/);
     });
 });
diff --git a/test/functional-tests/custom-nodes/domain-lock-nodes/DomainLockNode.spec.ts b/test/functional-tests/custom-nodes/domain-lock-nodes/DomainLockNode.spec.ts
new file mode 100644
index 00000000..9a272eb2
--- /dev/null
+++ b/test/functional-tests/custom-nodes/domain-lock-nodes/DomainLockNode.spec.ts
@@ -0,0 +1,29 @@
+import { IObfuscationResult } from "../../../../src/interfaces/IObfuscationResult";
+
+import { JavaScriptObfuscator } from "../../../../src/JavaScriptObfuscator";
+
+const assert: Chai.AssertStatic = require('chai').assert;
+
+describe('DomainLockNode', () => {
+    it('should correctly append `DomainLockNode` custom node into the obfuscated code if `domainLock` option is set', () => {
+        let obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
+            `var test = 'test';`,
+            {
+                domainLock: ['.example.com']
+            }
+        );
+
+        assert.match(obfuscationResult.getObfuscatedCode(), /var _0x([a-z0-9]){5,6} *= *new RegExp/);
+    });
+
+    it('should\'t append `DomainLockNode` custom node into the obfuscated code if `domainLock` option is not set', () => {
+        let obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
+            `var test = 'test';`,
+            {
+                domainLock: []
+            }
+        );
+
+        assert.notMatch(obfuscationResult.getObfuscatedCode(), /var _0x([a-z0-9]){5,6} *= *new RegExp/);
+    });
+});
diff --git a/test/index.spec.ts b/test/index.spec.ts
index f93348ac..4bf2d57a 100644
--- a/test/index.spec.ts
+++ b/test/index.spec.ts
@@ -24,6 +24,7 @@ import './functional-tests/JavaScriptObfuscator.spec';
 import './functional-tests/JavaScriptObfuscatorCLI.spec';
 import './functional-tests/JavaScriptObfuscatorInternal.spec';
 import './functional-tests/custom-nodes/console-output-nodes/ConsoleOutputDisableExpressionNode.spec';
+import './functional-tests/custom-nodes/domain-lock-nodes/DomainLockNode.spec';
 import './functional-tests/custom-nodes/unicode-array-nodes/UnicodeArrayCallsWrapper.spec';
 import './functional-tests/custom-nodes/unicode-array-nodes/UnicodeArrayDecodeNode.spec';
 import './functional-tests/custom-nodes/unicode-array-nodes/UnicodeArrayRotateFunctionNode.spec';