From e2d8d50adffebd57d9bad9c19ebbcb858dc6f111 Mon Sep 17 00:00:00 2001
From: ULIVZ <472590061@qq.com>
Date: Wed, 22 Aug 2018 23:56:08 +0800
Subject: [PATCH] test: 'clean' in 'ChainedMap'

---
 test/ChainedMap.js | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/test/ChainedMap.js b/test/ChainedMap.js
index 07558a8..f576a0e 100644
--- a/test/ChainedMap.js
+++ b/test/ChainedMap.js
@@ -164,3 +164,26 @@ test('when false', t => {
   t.false(map.has('alpha'));
   t.true(map.has('beta'));
 });
+
+test('clean undefined', t => {
+  const map = new ChainedMap();
+  map.set('alpha', undefined);
+  map.set('beta', 'b');
+  t.true('alpha' in map.entries());
+  t.false('alpha' in map.clean(map.entries()));
+  t.true('beta' in map.clean(map.entries()));
+});
+
+test('clean empty array', t => {
+  const map = new ChainedMap();
+  map.set('alpha', []);
+  t.true('alpha' in map.entries());
+  t.false('alpha' in map.clean(map.entries()));
+});
+
+test('clean empty object', t => {
+  const map = new ChainedMap();
+  map.set('alpha', {});
+  t.true('alpha' in map.entries());
+  t.false('alpha' in map.clean(map.entries()));
+});