From 7803d616dca197db22dc4c76734dfddae6c02221 Mon Sep 17 00:00:00 2001
From: Kevin Moore <kevmoo@users.noreply.github.com>
Date: Fri, 1 May 2020 18:00:59 -0700
Subject: [PATCH] Add a null contains test (#140)

---
 test/map_matchers_test.dart | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/test/map_matchers_test.dart b/test/map_matchers_test.dart
index c00c1251c5fd7..6efbf6514176e 100644
--- a/test/map_matchers_test.dart
+++ b/test/map_matchers_test.dart
@@ -7,12 +7,19 @@ import 'test_utils.dart';
 void main() {
   test('contains', () {
     shouldPass({'a': 1}, contains('a'));
+    shouldPass({null: 1}, contains(null));
     shouldFail(
       {'a': 1},
       contains(2),
       'Expected: contains <2> '
       'Actual: {\'a\': 1}',
     );
+    shouldFail(
+      {'a': 1},
+      contains(null),
+      'Expected: contains <null> '
+      'Actual: {\'a\': 1}',
+    );
   });
 
   test('containsValue', () {