How do I compare two list in expect function of flutter unit testing?

Issue

List<int> l1=[1,2,3]; List<int> l2=[1,2,3]; expect (l1,l2);

This is the code I’m using in Flutter unit testing.

Eventhough both of the list has the same content I’m not able to pass the test. I’m not able to find the usecase of comparing lists using Equatable in Flutter unit testing. Can someone please help? Thanks!

Solution

You can use the method ListEquality().equals() to check if two List are equal.

import 'package:collection/collection.dart';

List<int> l1 = [1,2,3];  
List<int> l2 = [1,2,3];
final bool equal = ListEquality().equals(l1, l2):
expect(equal, true);

Answered By – quoci

Answer Checked By – Cary Denson (FlutterFixes Admin)