Fix Diagnostics subclasses that had the wrong default value for the named parameter. (#50645)

packages/flutter/lib/src/cupertino/colors.dart

@@ -1033,7 +1033,7 @@ class CupertinoDynamicColor extends Color with DiagnosticableMixin implements Di
   }
 
   @override
-  String toString({ DiagnosticLevel minLevel = DiagnosticLevel.debug }) {
+  String toString({ DiagnosticLevel minLevel = DiagnosticLevel.info }) {
     String toString(String name, Color color) {
       final String marker = color == _effectiveColor ? '*' : '';
       return '$marker$name = $color$marker';

packages/flutter/lib/src/foundation/assertions.dart

@@ -586,7 +586,7 @@ class FlutterErrorDetails extends Diagnosticable {
   }
 
   @override
-  String toString({DiagnosticLevel minLevel = DiagnosticLevel.debug}) {
+  String toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) {
     return toDiagnosticsNode(style: DiagnosticsTreeStyle.error).toStringDeep(minLevel: minLevel);
   }
 
@@ -889,7 +889,7 @@ class FlutterError extends Error with DiagnosticableTreeMixin implements Asserti
   String toStringShort() => 'FlutterError';
 
   @override
-  String toString({DiagnosticLevel minLevel = DiagnosticLevel.debug}) {
+  String toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) {
     // Avoid wrapping lines.
     final TextTreeRenderer renderer = TextTreeRenderer(wrapWidth: 4000000000);
     return diagnostics.map((DiagnosticsNode node) => renderer.render(node).trimRight()).join('\n');

packages/flutter/lib/src/foundation/diagnostics.dart

@@ -3087,7 +3087,7 @@ mixin DiagnosticableMixin {
   String toStringShort() => describeIdentity(this);
 
   @override
-  String toString({ DiagnosticLevel minLevel = DiagnosticLevel.debug }) {
+  String toString({ DiagnosticLevel minLevel = DiagnosticLevel.info }) {
     String fullString;
     assert(() {
       fullString = toDiagnosticsNode(style: DiagnosticsTreeStyle.singleLine).toString(minLevel: minLevel);
@@ -3442,7 +3442,7 @@ abstract class DiagnosticableTree extends Diagnosticable {
 /// This mixin is identical to class [DiagnosticableTree].
 mixin DiagnosticableTreeMixin implements DiagnosticableTree {
   @override
-  String toString({ DiagnosticLevel minLevel = DiagnosticLevel.debug }) {
+  String toString({ DiagnosticLevel minLevel = DiagnosticLevel.info }) {
     return toDiagnosticsNode(style: DiagnosticsTreeStyle.singleLine).toString(minLevel: minLevel);
   }
 

packages/flutter/lib/src/rendering/object.dart

@@ -2774,7 +2774,7 @@ abstract class RenderObject extends AbstractNode with DiagnosticableTreeMixin im
   }
 
   @override
-  String toString({ DiagnosticLevel minLevel = DiagnosticLevel.debug }) => toStringShort();
+  String toString({ DiagnosticLevel minLevel = DiagnosticLevel.info }) => toStringShort();
 
   /// Returns a description of the tree rooted at this node.
   /// If the prefix argument is provided, then every line in the output

packages/flutter/test/foundation/diagnostics_test.dart

@@ -802,6 +802,30 @@ void main() {
     );
   });
 
+  test('toString test', () {
+    final TestTree tree = TestTree(
+      properties: <DiagnosticsNode>[
+        StringProperty('stringProperty1', 'value1', quoted: false),
+        DoubleProperty('doubleProperty1', 42.5),
+        DoubleProperty('roundedProperty', 1.0 / 3.0),
+        StringProperty('DO_NOT_SHOW', 'DO_NOT_SHOW', level: DiagnosticLevel.hidden, quoted: false),
+        StringProperty('DEBUG_ONLY', 'DEBUG_ONLY', level: DiagnosticLevel.debug, quoted: false),
+      ],
+      // child to verify that children are not included in the toString.
+      children: <TestTree>[TestTree(name: 'node A')],
+    );
+
+    expect(
+      tree.toString(),
+      equalsIgnoringHashCodes('TestTree#00000(stringProperty1: value1, doubleProperty1: 42.5, roundedProperty: 0.3)'),
+    );
+
+    expect(
+      tree.toString(minLevel: DiagnosticLevel.debug),
+      equalsIgnoringHashCodes('TestTree#00000(stringProperty1: value1, doubleProperty1: 42.5, roundedProperty: 0.3, DEBUG_ONLY: DEBUG_ONLY)'),
+    );
+  });
+
   test('transition test', () {
     // Test multiple styles integrating together in the same tree due to using
     // transition to go between styles that would otherwise be incompatible.

packages/flutter/test/material/theme_test.dart

@@ -747,7 +747,7 @@ class _TextStyleProxy implements TextStyle {
   List<ui.FontFeature> get fontFeatures => _delegate.fontFeatures;
 
   @override
-  String toString({ DiagnosticLevel minLevel = DiagnosticLevel.debug }) =>
+  String toString({ DiagnosticLevel minLevel = DiagnosticLevel.info }) =>
       super.toString();
 
   @override

packages/flutter/test/widgets/list_view_test.dart

@@ -27,7 +27,7 @@ class Alive extends StatefulWidget {
   AliveState createState() => AliveState();
 
   @override
-  String toString({ DiagnosticLevel minLevel = DiagnosticLevel.debug }) => '$index $alive';
+  String toString({ DiagnosticLevel minLevel = DiagnosticLevel.info }) => '$index $alive';
 }
 
 class AliveState extends State<Alive> with AutomaticKeepAliveClientMixin {

packages/flutter/test/widgets/widget_inspector_test.dart

@@ -117,7 +117,7 @@ class CyclicDiagnostic extends DiagnosticableTree {
   // We have to override toString to avoid the toString call itself triggering a
   // stack overflow.
   @override
-  String toString({ DiagnosticLevel minLevel = DiagnosticLevel.debug }) {
+  String toString({ DiagnosticLevel minLevel = DiagnosticLevel.info }) {
     return toStringShort();
   }