📝 Added tests for toString to increase coverage (#82235)

packages/flutter/lib/src/services/platform_views.dart

@@ -6,6 +6,7 @@
 import 'dart:typed_data';
 import 'dart:ui';
 
+import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
 
 import 'message_codec.dart';
@@ -258,7 +259,7 @@ class AndroidPointerProperties {
 
   @override
   String toString() {
-    return 'AndroidPointerProperties(id: $id, toolType: $toolType)';
+    return '${objectRuntimeType(this, 'AndroidPointerProperties')}(id: $id, toolType: $toolType)';
   }
 }
 
@@ -342,7 +343,7 @@ class AndroidPointerCoords {
 
   @override
   String toString() {
-    return 'AndroidPointerCoords(orientation: $orientation, pressure: $pressure, size: $size, toolMajor: $toolMajor, toolMinor: $toolMinor, touchMajor: $touchMajor, touchMinor: $touchMinor, x: $x, y: $y)';
+    return '${objectRuntimeType(this, 'AndroidPointerCoords')}(orientation: $orientation, pressure: $pressure, size: $size, toolMajor: $toolMajor, toolMinor: $toolMinor, touchMajor: $touchMajor, touchMinor: $touchMinor, x: $x, y: $y)';
   }
 }
 
@@ -482,7 +483,7 @@ class AndroidMotionEvent {
 
   @override
   String toString() {
-    return 'AndroidPointerEvent(downTime: $downTime, eventTime: $eventTime, action: $action, pointerCount: $pointerCount, pointerProperties: $pointerProperties, pointerCoords: $pointerCoords, metaState: $metaState, buttonState: $buttonState, xPrecision: $xPrecision, yPrecision: $yPrecision, deviceId: $deviceId, edgeFlags: $edgeFlags, source: $source, flags: $flags)';
+    return 'AndroidPointerEvent(downTime: $downTime, eventTime: $eventTime, action: $action, pointerCount: $pointerCount, pointerProperties: $pointerProperties, pointerCoords: $pointerCoords, metaState: $metaState, buttonState: $buttonState, xPrecision: $xPrecision, yPrecision: $yPrecision, deviceId: $deviceId, edgeFlags: $edgeFlags, source: $source, flags: $flags, motionEventId: $motionEventId)';
   }
 }
 

packages/flutter/lib/src/services/system_chrome.dart

@@ -163,7 +163,7 @@ class SystemUiOverlayStyle {
   }
 
   @override
-  String toString() => _toMap().toString();
+  String toString() => '${objectRuntimeType(this, 'SystemUiOverlayStyle')}(${_toMap()})';
 
   /// Creates a copy of this theme with the given fields replaced with new values.
   SystemUiOverlayStyle copyWith({

packages/flutter/test/services/asset_bundle_test.dart

@@ -75,4 +75,11 @@ void main() {
       '   HTTP status code: 404\n',
     );
   }, skip: isBrowser); // https://github.com/flutter/flutter/issues/39998
+
+  test('toString works as intended', () {
+    final Uri uri = Uri.http('example.org', '/path');
+    final NetworkAssetBundle bundle = NetworkAssetBundle(uri);
+
+    expect(bundle.toString(), 'NetworkAssetBundle#${shortHash(bundle)}($uri)');
+  }, skip: isBrowser); // https://github.com/flutter/flutter/issues/39998
 }

packages/flutter/test/services/message_codecs_test.dart

@@ -255,4 +255,14 @@ void main() {
       );
     });
   });
+
+  test('toString works as intended', () async {
+    const MethodCall methodCall = MethodCall('sample method');
+    final PlatformException platformException = PlatformException(code: '100');
+    final MissingPluginException missingPluginException = MissingPluginException();
+
+    expect(methodCall.toString(), 'MethodCall(sample method, null)');
+    expect(platformException.toString(), 'PlatformException(100, null, null, null)');
+    expect(missingPluginException.toString(), 'MissingPluginException(null)');
+  });
 }

packages/flutter/test/services/platform_views_test.dart

@@ -300,4 +300,66 @@ void main() {
       );
     });
   });
+
+  test('toString works as intended', () async {
+    const AndroidPointerProperties androidPointerProperties = AndroidPointerProperties(id: 0, toolType: 0);
+    expect(androidPointerProperties.toString(), 'AndroidPointerProperties(id: 0, toolType: 0)');
+
+    const double zero = 0.0;
+    const AndroidPointerCoords androidPointerCoords = AndroidPointerCoords(
+      orientation: zero,
+      pressure: zero,
+      size: zero,
+      toolMajor: zero,
+      toolMinor: zero,
+      touchMajor: zero,
+      touchMinor: zero,
+      x: zero,
+      y: zero
+    );
+    expect(androidPointerCoords.toString(), 'AndroidPointerCoords(orientation: $zero, '
+      'pressure: $zero, '
+      'size: $zero, '
+      'toolMajor: $zero, '
+      'toolMinor: $zero, '
+      'touchMajor: $zero, '
+      'touchMinor: $zero, '
+      'x: $zero, '
+      'y: $zero)',
+    );
+
+    final AndroidMotionEvent androidMotionEvent = AndroidMotionEvent(
+      downTime: 0,
+      eventTime: 0,
+      action: 0,
+      pointerCount: 0,
+      pointerProperties: <AndroidPointerProperties>[],
+      pointerCoords: <AndroidPointerCoords>[],
+      metaState: 0,
+      buttonState: 0,
+      xPrecision: zero,
+      yPrecision: zero,
+      deviceId: 0,
+      edgeFlags: 0,
+      source: 0,
+      flags: 0,
+      motionEventId: 0
+    );
+    expect(androidMotionEvent.toString(), 'AndroidPointerEvent(downTime: 0, '
+      'eventTime: 0, '
+      'action: 0, '
+      'pointerCount: 0, '
+      'pointerProperties: [], '
+      'pointerCoords: [], '
+      'metaState: 0, '
+      'buttonState: 0, '
+      'xPrecision: $zero, '
+      'yPrecision: $zero, '
+      'deviceId: 0, '
+      'edgeFlags: 0, '
+      'source: 0, '
+      'flags: 0, '
+      'motionEventId: 0)',
+    );
+  });
 }

packages/flutter/test/services/system_chrome_test.dart

@@ -86,4 +86,17 @@ void main() {
       arguments: <String>['SystemUiOverlay.top'],
     ));
   });
+
+  test('toString works as intended', () async {
+    const SystemUiOverlayStyle systemUiOverlayStyle = SystemUiOverlayStyle();
+
+    expect(systemUiOverlayStyle.toString(), 'SystemUiOverlayStyle({'
+      'systemNavigationBarColor: null, '
+      'systemNavigationBarDividerColor: null, '
+      'statusBarColor: null, '
+      'statusBarBrightness: null, '
+      'statusBarIconBrightness: null, '
+      'systemNavigationBarIconBrightness: null})',
+    );
+  });
 }