| // 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/painting.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| class TestCanvas implements Canvas { |
| TestCanvas(); |
| |
| final List<Invocation> invocations = <Invocation>[]; |
| |
| @override |
| void noSuchMethod(Invocation invocation) { |
| invocations.add(invocation); |
| } |
| } |
| |
| void main() { |
| test('DefaultShaderWarmUp has expected canvas invocations', () { |
| final TestCanvas canvas = TestCanvas(); |
| const DefaultShaderWarmUp s = DefaultShaderWarmUp(); |
| s.warmUpOnCanvas(canvas); |
| |
| bool hasDrawRectAfterClipRRect = false; |
| for (int i = 0; i < canvas.invocations.length - 1; i += 1) { |
| if (canvas.invocations[i].memberName == #clipRRect && canvas.invocations[i + 1].memberName == #drawRect) { |
| hasDrawRectAfterClipRRect = true; |
| break; |
| } |
| } |
| |
| expect(hasDrawRectAfterClipRRect, true); |
| }); |
| } |