From 2a4504a81dd8a256d17dcfba4f899ca692c72805 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ma=CC=81rio=20Gonc=CC=A7alves?= <mario.goncalves@sky.uk>
Date: Thu, 15 Feb 2018 12:06:32 +0000
Subject: [PATCH] Added test cases

---
 types/jest/jest-tests.ts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/types/jest/jest-tests.ts b/types/jest/jest-tests.ts
index 4d8ae05e1c..4c37f2bb65 100644
--- a/types/jest/jest-tests.ts
+++ b/types/jest/jest-tests.ts
@@ -642,6 +642,22 @@ describe('rejects', () => {
     });
 });
 
+// https://facebook.github.io/jest/docs/en/expect.html#tohavepropertykeypath-value
+describe('toHaveProperty', () => {
+    it('it accepts a keyPath as string', () => {
+        expect({ a: { b: {}}}).toHaveProperty('a');
+    });
+    it('it accepts a keyPath as string with dot notation', () => {
+        expect({ a: { b: {}}}).toHaveProperty('a.b');
+    });
+    it('it accepts a keyPath as an array', () => {
+      expect({ a: { b: {}}}).toHaveProperty(['a', 'b']);
+    });
+    it('it accepts a keyPath as an array containing non-string values', () => {
+      expect({ a: ['b']}).toHaveProperty(['a', 0]);
+    });
+});
+
 class MyTransformer implements jest.Transformer {
     process(text: string, path: string) {
         return `