// Copyright 2014 The Flutter Authors. All rights reserved.// Use of this source code is governed by a BSD-style license that can be// found in the LICENSE file.import'package:flutter/foundation.dart';import'package:flutter_test/flutter_test.dart';voidmain(){test('defines match expectations per platform',(){expect(kIsWeb,!constbool.fromEnvironment('dart.library.io'));expect(kIsWeb,!constbool.fromEnvironment('dart.library.isolate'));expect(kIsWeb,constbool.fromEnvironment('dart.library.html'));});}