flutter/packages/unit/test/widget/shader_mask_test.dart

28 lines
691 B
Dart

import 'dart:ui' as ui;
import 'package:flutter/painting.dart';
import 'package:flutter/widgets.dart';
import 'package:test/test.dart';
import 'widget_tester.dart';
ui.Shader createShader(Rect bounds) {
return new LinearGradient(
begin: Point.origin,
end: new Point(0.0, bounds.height),
colors: <Color>[const Color(0x00FFFFFF), const Color(0xFFFFFFFF)],
stops: <double>[0.1, 0.35]
)
.createShader();
}
void main() {
test('Can be constructed', () {
testWidgets((WidgetTester tester) {
Widget child = new Container(width: 100.0, height: 100.0);
tester.pumpWidget(new ShaderMask(child: child, shaderCallback: createShader));
});
});
}