From b10f25c603c6f0563408b42856fe598983bcbb59 Mon Sep 17 00:00:00 2001
From: Daniel Austin <58129064+Danau5tin@users.noreply.github.com>
Date: Wed, 1 Mar 2023 02:08:52 +0100
Subject: [PATCH] implement override of toString() in order to print useful
 message in release mode as well as debug mode (#118263)

Added `_ErrorDescription.toString()`
---
 packages/flutter/lib/src/foundation/assertions.dart   | 7 +++++++
 packages/flutter/test/foundation/assertions_test.dart | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/packages/flutter/lib/src/foundation/assertions.dart b/packages/flutter/lib/src/foundation/assertions.dart
index 59abde71d27..188d981ae8e 100644
--- a/packages/flutter/lib/src/foundation/assertions.dart
+++ b/packages/flutter/lib/src/foundation/assertions.dart
@@ -223,6 +223,13 @@ abstract class _ErrorDiagnostic extends DiagnosticsProperty<List<Object>> {
          level: level,
        );
 
+  @override
+  String toString({
+    TextTreeConfiguration? parentConfiguration,
+    DiagnosticLevel minLevel = DiagnosticLevel.info,
+  }) {
+    return valueToString(parentConfiguration: parentConfiguration);
+  }
 
   @override
   List<Object> get value => super.value!;
diff --git a/packages/flutter/test/foundation/assertions_test.dart b/packages/flutter/test/foundation/assertions_test.dart
index 3f238828c09..f093b1aec29 100644
--- a/packages/flutter/test/foundation/assertions_test.dart
+++ b/packages/flutter/test/foundation/assertions_test.dart
@@ -16,6 +16,13 @@ void main() {
     expect(log[1], contains('debugPrintStack'));
   });
 
+  test('should show message of ErrorDescription', () {
+    const String descriptionMessage = 'This is the message';
+    final ErrorDescription errorDescription = ErrorDescription(descriptionMessage);
+
+    expect(errorDescription.toString(), descriptionMessage);
+  });
+
   test('debugPrintStack', () {
     final List<String> log = captureOutput(() {
       final FlutterErrorDetails details = FlutterErrorDetails(