[url_launcher] Fix supportsCloseForLaunchMode to query close support

packages/url_launcher/url_launcher/CHANGELOG.md

@@ -1,4 +1,4 @@
-## NEXT
+## 6.3.3
 
 * Updates minimum supported SDK version to Flutter 3.41/Dart 3.11.
 * Updates README to reflect currently supported OS versions for the latest

packages/url_launcher/url_launcher/lib/src/url_launcher_uri.dart

@@ -104,5 +104,5 @@ Future<bool> supportsLaunchMode(LaunchMode mode) {
 /// If this returns false, [closeInAppWebView] will not work when launching
 /// URLs with [mode].
 Future<bool> supportsCloseForLaunchMode(LaunchMode mode) {
-  return UrlLauncherPlatform.instance.supportsMode(convertLaunchMode(mode));
+  return UrlLauncherPlatform.instance.supportsCloseForMode(convertLaunchMode(mode));
 }

packages/url_launcher/url_launcher/pubspec.yaml

@@ -3,7 +3,7 @@ description: Flutter plugin for launching a URL. Supports
   web, phone, SMS, and email schemes.
 repository: https://github.com/flutter/packages/tree/main/packages/url_launcher/url_launcher
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+url_launcher%22
-version: 6.3.2
+version: 6.3.3
 
 environment:
   sdk: ^3.11.0

packages/url_launcher/url_launcher/test/mocks/mock_url_launcher_platform.dart

@@ -20,6 +20,7 @@ class MockUrlLauncher extends Fake with MockPlatformInterfaceMixin implements Ur
   String? webOnlyWindowName;
 
   bool? response;
+  bool? closeForModeResponse;
 
   bool closeWebViewCalled = false;
   bool canLaunchCalled = false;
@@ -59,6 +60,11 @@ class MockUrlLauncher extends Fake with MockPlatformInterfaceMixin implements Ur
     this.response = response;
   }
 
+  // ignore: use_setters_to_change_properties
+  void setCloseForModeResponse(bool response) {
+    closeForModeResponse = response;
+  }
+
   @override
   LinkDelegate? get linkDelegate => null;
 
@@ -120,6 +126,6 @@ class MockUrlLauncher extends Fake with MockPlatformInterfaceMixin implements Ur
   @override
   Future<bool> supportsCloseForMode(PreferredLaunchMode mode) async {
     launchMode = mode;
-    return response!;
+    return closeForModeResponse!;
   }
 }

packages/url_launcher/url_launcher/test/src/url_launcher_uri_test.dart

@@ -10,8 +10,12 @@ import 'package:url_launcher_platform_interface/url_launcher_platform_interface.
 import '../mocks/mock_url_launcher_platform.dart';
 
 void main() {
-  final mock = MockUrlLauncher();
-  UrlLauncherPlatform.instance = mock;
+  late MockUrlLauncher mock;
+
+  setUp(() {
+    mock = MockUrlLauncher();
+    UrlLauncherPlatform.instance = mock;
+  });
 
   test('closeInAppWebView', () async {
     await closeInAppWebView();
@@ -310,17 +314,26 @@ void main() {
 
   group('supportsCloseForLaunchMode', () {
     test('handles returning true', () async {
-      mock.setResponse(true);
+      mock.setCloseForModeResponse(true);
 
       expect(await supportsCloseForLaunchMode(LaunchMode.inAppBrowserView), true);
       expect(mock.launchMode, PreferredLaunchMode.inAppBrowserView);
     });
 
     test('handles returning false', () async {
-      mock.setResponse(false);
+      mock.setCloseForModeResponse(false);
 
       expect(await supportsCloseForLaunchMode(LaunchMode.inAppBrowserView), false);
       expect(mock.launchMode, PreferredLaunchMode.inAppBrowserView);
     });
+
+    test('reflects close support independently of launch support', () async {
+      mock
+        ..setResponse(false)
+        ..setCloseForModeResponse(true);
+
+      expect(await supportsLaunchMode(LaunchMode.inAppBrowserView), false);
+      expect(await supportsCloseForLaunchMode(LaunchMode.inAppBrowserView), true);
+    });
   });
 }