diff --git a/test/api/registerAlias.js b/test/api/registerAlias.js
new file mode 100644
index 0000000000..df104cfd2f
--- /dev/null
+++ b/test/api/registerAlias.js
@@ -0,0 +1,30 @@
+'use strict';
+
+const hljs   = require('../../build');
+const should = require('should');
+
+describe('.registerAlias()', () => {
+  it('should get an existing language', () => {
+    const result = hljs.getLanguage('python');
+
+    result.should.be.instanceOf(Object);
+  });
+
+  it('should get an existing language by alias', () => {
+    hljs.registerAlias('jquery', {
+      languageName: 'javascript'
+    });
+    const result = hljs.getLanguage('jquery');
+
+    result.should.be.instanceOf(Object);
+  });
+
+  it('should get an existing language by aliases', () => {
+    hljs.registerAlias(['jquery', 'jqueryui'], {
+      languageName: 'javascript'
+    });
+    const result = hljs.getLanguage('jquery');
+
+    result.should.be.instanceOf(Object);
+  });
+});