blob: 297d8b50f403aeceb29ab85fd970e173f08a58e8 [file] [log] [blame]
// Copyright 2013 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:test/bootstrap/browser.dart';
import 'package:test/test.dart';
import 'package:ui/ui.dart' as ui;
import '../common/test_initialization.dart';
void main() {
internalBootstrapBrowserTest(() => testMain);
}
Future<void> testMain() async {
setUpUnitTests();
test('Picture construction invokes onCreate once', () async {
int onCreateInvokedCount = 0;
ui.Picture? createdPicture;
ui.Picture.onCreate = (ui.Picture picture) {
onCreateInvokedCount++;
createdPicture = picture;
};
final ui.Picture picture1 = _createPicture();
expect(onCreateInvokedCount, 1);
expect(createdPicture, picture1);
final ui.Picture picture2 = _createPicture();
expect(onCreateInvokedCount, 2);
expect(createdPicture, picture2);
ui.Picture.onCreate = null;
});
test('approximateBytesUsed is available for onCreate', () async {
int pictureSize = -1;
ui.Picture.onCreate = (ui.Picture picture) =>
pictureSize = picture.approximateBytesUsed;
_createPicture();
expect(pictureSize >= 0, true);
ui.Picture.onCreate = null;
});
test('dispose() invokes onDispose once', () async {
int onDisposeInvokedCount = 0;
ui.Picture? disposedPicture;
ui.Picture.onDispose = (ui.Picture picture) {
onDisposeInvokedCount++;
disposedPicture = picture;
};
final ui.Picture picture1 = _createPicture()..dispose();
expect(onDisposeInvokedCount, 1);
expect(disposedPicture, picture1);
final ui.Picture picture2 = _createPicture()..dispose();
expect(onDisposeInvokedCount, 2);
expect(disposedPicture, picture2);
ui.Picture.onDispose = null;
});
}
ui.Picture _createPicture() {
final ui.PictureRecorder recorder = ui.PictureRecorder();
final ui.Canvas canvas = ui.Canvas(recorder);
const ui.Rect rect = ui.Rect.fromLTWH(0.0, 0.0, 100.0, 100.0);
canvas.clipRect(rect);
return recorder.endRecording();
}