// Copyright 2015 The Chromium 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:test/test.dart'; import 'package:vector_math/vector_math_64.dart'; void main() { test("MatrixUtils.getAsTranslation()", () { Matrix4 test; test = new Matrix4.identity(); expect(MatrixUtils.getAsTranslation(test), equals(Offset.zero)); test = new Matrix4.zero(); expect(MatrixUtils.getAsTranslation(test), isNull); test = new Matrix4.rotationX(1.0); expect(MatrixUtils.getAsTranslation(test), isNull); test = new Matrix4.rotationZ(1.0); expect(MatrixUtils.getAsTranslation(test), isNull); test = new Matrix4.translationValues(1.0, 2.0, 0.0); expect(MatrixUtils.getAsTranslation(test), equals(const Offset(1.0, 2.0))); test = new Matrix4.translationValues(1.0, 2.0, 3.0); expect(MatrixUtils.getAsTranslation(test), isNull); test = new Matrix4.identity(); expect(MatrixUtils.getAsTranslation(test), equals(Offset.zero)); test.rotateX(2.0); expect(MatrixUtils.getAsTranslation(test), isNull); test = new Matrix4.identity(); expect(MatrixUtils.getAsTranslation(test), equals(Offset.zero)); test.scale(2.0); expect(MatrixUtils.getAsTranslation(test), isNull); test = new Matrix4.identity(); expect(MatrixUtils.getAsTranslation(test), equals(Offset.zero)); test.translate(2.0, -2.0); expect(MatrixUtils.getAsTranslation(test), equals(const Offset(2.0, -2.0))); test.translate(4.0, 8.0); expect(MatrixUtils.getAsTranslation(test), equals(const Offset(6.0, 6.0))); }); }