examples/api/test/material/chip/chip_attributes.avatar_box_constraints.0_test.dart

// 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/chip/chip_attributes.avatar_box_constraints.0.dart' as example;
import 'package:flutter_test/flutter_test.dart';

void main() {
  testWidgets('RawChip.avatarBoxConstraints updates avatar size constraints', (WidgetTester tester) async {
    const double border = 1.0;
    const double iconSize = 18.0;
    const double padding = 8.0;

    await tester.pumpWidget(
      const example.AvatarBoxConstraintsApp(),
    );

    expect(tester.getSize(find.byType(RawChip).at(0)).width, equals(202.0));
    expect(tester.getSize(find.byType(RawChip).at(0)).height, equals(58.0));

    Offset chipTopLeft = tester.getTopLeft(find.byWidget(tester.widget<Material>(
      find.descendant(
        of: find.byType(RawChip).at(0),
        matching: find.byType(Material),
      ),
    )));
    Offset avatarCenter = tester.getCenter(find.byIcon(Icons.star).at(0));
    expect(chipTopLeft.dx, avatarCenter.dx - (iconSize / 2) - padding - border);

    expect(tester.getSize(find.byType(RawChip).at(1)).width, equals(202.0));
    expect(tester.getSize(find.byType(RawChip).at(1)).height, equals(78.0));

    chipTopLeft = tester.getTopLeft(find.byWidget(tester.widget<Material>(
      find.descendant(
        of: find.byType(RawChip).at(1),
        matching: find.byType(Material),
      ),
    )));
    avatarCenter = tester.getCenter(find.byIcon(Icons.star).at(1));
    expect(chipTopLeft.dx, avatarCenter.dx - (iconSize / 2) - padding - border);

    expect(tester.getSize(find.byType(RawChip).at(2)).width, equals(202.0));
    expect(tester.getSize(find.byType(RawChip).at(2)).height, equals(78.0));

    chipTopLeft = tester.getTopLeft(find.byWidget(tester.widget<Material>(
      find.descendant(
        of: find.byType(RawChip).at(2),
        matching: find.byType(Material),
      ),
    )));
    avatarCenter = tester.getCenter(find.byIcon(Icons.star).at(2));
    expect(chipTopLeft.dx, avatarCenter.dx - (iconSize / 2) - padding - border);
  });
}