blob: 44b196e48011ce21d4fe4b98d4a53d1dbc598f44 [file] [log] [blame]
// Copyright 2013 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/services.dart';
import 'package:mockito/mockito.dart';
void echoOneArgument(
BinaryMessenger mockMessenger,
String channel,
MessageCodec<Object?> codec,
) {
when(mockMessenger.send(channel, any))
.thenAnswer((Invocation realInvocation) async {
final Object input = codec
.decodeMessage(realInvocation.positionalArguments[1] as ByteData?)!;
final List<Object?> args = input as List<Object?>;
return codec.encodeMessage(<Object>[args[0]!]);