test(string): getClassNames

Author: mengxinssfd

__tests__/string.test.ts

@@ -227,4 +227,14 @@ describe('string', function () {
       expect(hideString('👨‍👨‍👧‍👦hello👨‍👨‍👧world👨‍👨‍👧‍👦', { len: 11, end: -1 })).toBe('👨‍👨‍👧‍👦***********👨‍👨‍👧‍👦');
     });
   });
+  test('getClassNames', () => {
+    const getClassNames = cm.getClassNames;
+
+    expect(getClassNames('a', 'b')).toBe('a b');
+    expect(getClassNames({ a: true, b: false, c: true })).toBe('a c');
+    expect(getClassNames('a', 'b', { a: true, b: false, c: true })).toBe('a b c');
+    expect(getClassNames('  ', 'a', '   ', 'b', '     ', 'c', { a: true, b: false, c: true })).toBe(
+      'a b c',
+    );
+  });
 });