From 5af2e9f3794b3b0c7f875a746b8778a22546217b Mon Sep 17 00:00:00 2001
From: pgayvallet <pierre.gayvallet@elastic.co>
Date: Tue, 28 Jan 2020 09:24:56 +0100
Subject: [PATCH] add getUnusedConfigKeys test

---
 .../config/get_unused_config_keys.test.ts       | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/core/server/legacy/config/get_unused_config_keys.test.ts b/src/core/server/legacy/config/get_unused_config_keys.test.ts
index c4452fc6a1209..6ca1c87ceab39 100644
--- a/src/core/server/legacy/config/get_unused_config_keys.test.ts
+++ b/src/core/server/legacy/config/get_unused_config_keys.test.ts
@@ -200,6 +200,23 @@ describe('getUnusedConfigKeys', () => {
     ).toEqual(['foo.dolly']);
   });
 
+  it('handles array values', async () => {
+    expect(
+      await getUnusedConfigKeys({
+        coreHandledConfigPaths: ['core', 'array'],
+        pluginSpecs: [],
+        disabledPluginSpecs: [],
+        settings: {
+          core: {
+            prop: 'value',
+          },
+          array: ['some', 'values'],
+        },
+        legacyConfig: getConfig({}),
+      })
+    ).toEqual([]);
+  });
+
   describe('using deprecation', () => {
     it('should use the plugin deprecations provider', async () => {
       expect(