Update documentation

1 files changed, 9 insertions, 3 deletions

diff --git a/test/enum.spec.js b/test/enum.spec.js
index dec15b219c..554a35b922 100644
--- a/test/enum.spec.js
+++ b/test/enum.spec.js
@@ -3,20 +3,26 @@ import Enum from '../app/lib/enum';
 
 describe('enum', () => {
   it('should be able to compare values', () => {
-    const e = Enum('NORTH', 'SOUTH', 'WEST', 'EAST');
+    const e = new Enum('NORTH', 'SOUTH', 'WEST', 'EAST');
     expect(e.NORTH).to.be.equal('NORTH');
   });
 
   it('should not be able to modify enum', () => {
-    let e = Enum('NORTH', 'SOUTH', 'WEST', 'EAST');
+    const e = new Enum('NORTH', 'SOUTH', 'WEST', 'EAST');
     expect(() => e.ANYWHERE = 'ANYWHERE').to.throw();
   });
 
   it('should be able to validate enum keys', () => {
-    let e = Enum('NORTH', 'SOUTH', 'WEST', 'EAST');
+    const e = new Enum('NORTH', 'SOUTH', 'WEST', 'EAST');
     expect(e.isValid('SOUTH')).to.be.true;
     expect(e.isValid('ANYWHERE')).to.be.false;
     expect(e.isValid()).to.be.false;
     expect(e.isValid(null)).to.be.false;
   });
+
+  it('should receive correct keys from Object.keys', () => {
+    const keys = ['NORTH', 'SOUTH', 'WEST', 'EAST'];
+    const e = new Enum(...keys);
+    expect(Object.keys(e)).to.be.deep.equal(keys);
+  });
 });