Added missing tests for ButtonStyle example (#147457)
Added missing tests for ButtonStyle example. Issue #130459
diff --git a/dev/bots/check_code_samples.dart b/dev/bots/check_code_samples.dart
index 37fae59..2e6d92f 100644
--- a/dev/bots/check_code_samples.dart
+++ b/dev/bots/check_code_samples.dart
@@ -317,7 +317,6 @@
'examples/api/test/material/selectable_region/selectable_region.0_test.dart',
'examples/api/test/material/text_field/text_field.2_test.dart',
'examples/api/test/material/text_field/text_field.1_test.dart',
- 'examples/api/test/material/button_style/button_style.0_test.dart',
'examples/api/test/material/range_slider/range_slider.0_test.dart',
'examples/api/test/material/selection_container/selection_container_disabled.0_test.dart',
'examples/api/test/material/selection_container/selection_container.0_test.dart',
diff --git a/examples/api/test/material/button_style/button_style.0_test.dart b/examples/api/test/material/button_style/button_style.0_test.dart
new file mode 100644
index 0000000..db4251f
--- /dev/null
+++ b/examples/api/test/material/button_style/button_style.0_test.dart
@@ -0,0 +1,74 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+import 'package:flutter_api_samples/material/button_style/button_style.0.dart'
+ as example;
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+ testWidgets(
+ 'Shows ElevatedButtons, FilledButtons, OutlinedButtons and TextButtons in enabled and disabled states',
+ (WidgetTester tester) async {
+ await tester.pumpWidget(const example.ButtonApp());
+
+ expect(
+ find.byWidgetPredicate((Widget widget) {
+ return widget is ElevatedButton && widget.onPressed == null;
+ }),
+ findsOne,
+ );
+
+ expect(
+ find.byWidgetPredicate((Widget widget) {
+ return widget is ElevatedButton && widget.onPressed != null;
+ }),
+ findsOne,
+ );
+
+ // One OutlinedButton with onPressed null.
+ expect(
+ find.byWidgetPredicate((Widget widget) {
+ return widget is OutlinedButton && widget.onPressed == null;
+ }),
+ findsOne,
+ );
+
+ // One OutlinedButton with onPressed not null.
+ expect(
+ find.byWidgetPredicate((Widget widget) {
+ return widget is OutlinedButton && widget.onPressed != null;
+ }),
+ findsOne,
+ );
+
+ expect(
+ find.byWidgetPredicate((Widget widget) {
+ return widget is TextButton && widget.onPressed == null;
+ }),
+ findsOne,
+ );
+
+ expect(
+ find.byWidgetPredicate((Widget widget) {
+ return widget is TextButton && widget.onPressed != null;
+ }),
+ findsOne,
+ );
+
+ expect(
+ find.byWidgetPredicate((Widget widget) {
+ return widget is FilledButton && widget.onPressed != null;
+ }),
+ findsNWidgets(2),
+ );
+
+ expect(
+ find.byWidgetPredicate((Widget widget) {
+ return widget is FilledButton && widget.onPressed == null;
+ }),
+ findsNWidgets(2),
+ );
+ });
+}
