From 0af905d779d52fc81ffc239c211e8c5956154f34 Mon Sep 17 00:00:00 2001
From: Jason Simmons <jason-simmons@users.noreply.github.com>
Date: Sat, 17 Feb 2024 08:41:26 -0800
Subject: [PATCH] [flutter_migrate] Implement lineTerminator in the
 MemoryStdout fake (#6152)

https://dart-review.googlesource.com/c/sdk/+/326761/24/sdk/lib/io/stdio.dart#380 added a `lineTerminator` field to `Stdout`.

See https://github.com/flutter/flutter/issues/143614
---
 packages/flutter_migrate/test/src/fakes.dart | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/packages/flutter_migrate/test/src/fakes.dart b/packages/flutter_migrate/test/src/fakes.dart
index 498213a6f7b0a..fda5a28879bb1 100644
--- a/packages/flutter_migrate/test/src/fakes.dart
+++ b/packages/flutter_migrate/test/src/fakes.dart
@@ -132,6 +132,15 @@ class MemoryStdout extends MemoryIOSink implements io.Stdout {
 
   bool _hasTerminal = true;
 
+  @override
+  // ignore: override_on_non_overriding_member
+  String get lineTerminator => '\n';
+  @override
+  // ignore: override_on_non_overriding_member
+  set lineTerminator(String value) {
+    throw UnimplementedError('Setting the line terminator is not supported');
+  }
+
   @override
   io.IOSink get nonBlocking => this;