| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| package com.google.protobuf; |
| |
| import protobuf_unittest.Vehicle; |
| import protobuf_unittest.Wheel; |
| |
| import junit.framework.TestCase; |
| |
| import java.util.List; |
| import java.util.ArrayList; |
| |
| /** |
| * Test cases that exercise end-to-end use cases involving |
| * {@link SingleFieldBuilder} and {@link RepeatedFieldBuilder}. |
| * |
| * @author jonp@google.com (Jon Perlow) |
| */ |
| public class NestedBuildersTest extends TestCase { |
| |
| public void testMessagesAndBuilders() { |
| Vehicle.Builder vehicleBuilder = Vehicle.newBuilder(); |
| vehicleBuilder.addWheelBuilder() |
| .setRadius(4) |
| .setWidth(1); |
| vehicleBuilder.addWheelBuilder() |
| .setRadius(4) |
| .setWidth(2); |
| vehicleBuilder.addWheelBuilder() |
| .setRadius(4) |
| .setWidth(3); |
| vehicleBuilder.addWheelBuilder() |
| .setRadius(4) |
| .setWidth(4); |
| vehicleBuilder.getEngineBuilder() |
| .setLiters(10); |
| |
| Vehicle vehicle = vehicleBuilder.build(); |
| assertEquals(4, vehicle.getWheelCount()); |
| for (int i = 0; i < 4; i++) { |
| Wheel wheel = vehicle.getWheel(i); |
| assertEquals(4, wheel.getRadius()); |
| assertEquals(i + 1, wheel.getWidth()); |
| } |
| assertEquals(10, vehicle.getEngine().getLiters()); |
| |
| for (int i = 0; i < 4; i++) { |
| vehicleBuilder.getWheelBuilder(i) |
| .setRadius(5) |
| .setWidth(i + 10); |
| } |
| vehicleBuilder.getEngineBuilder().setLiters(20); |
| |
| vehicle = vehicleBuilder.build(); |
| for (int i = 0; i < 4; i++) { |
| Wheel wheel = vehicle.getWheel(i); |
| assertEquals(5, wheel.getRadius()); |
| assertEquals(i + 10, wheel.getWidth()); |
| } |
| assertEquals(20, vehicle.getEngine().getLiters()); |
| assertTrue(vehicle.hasEngine()); |
| } |
| |
| public void testMessagesAreCached() { |
| Vehicle.Builder vehicleBuilder = Vehicle.newBuilder(); |
| vehicleBuilder.addWheelBuilder() |
| .setRadius(1) |
| .setWidth(2); |
| vehicleBuilder.addWheelBuilder() |
| .setRadius(3) |
| .setWidth(4); |
| vehicleBuilder.addWheelBuilder() |
| .setRadius(5) |
| .setWidth(6); |
| vehicleBuilder.addWheelBuilder() |
| .setRadius(7) |
| .setWidth(8); |
| |
| // Make sure messages are cached. |
| List<Wheel> wheels = new ArrayList<Wheel>(vehicleBuilder.getWheelList()); |
| for (int i = 0; i < wheels.size(); i++) { |
| assertSame(wheels.get(i), vehicleBuilder.getWheel(i)); |
| } |
| |
| // Now get builders and check they didn't change. |
| for (int i = 0; i < wheels.size(); i++) { |
| vehicleBuilder.getWheel(i); |
| } |
| for (int i = 0; i < wheels.size(); i++) { |
| assertSame(wheels.get(i), vehicleBuilder.getWheel(i)); |
| } |
| |
| // Change just one |
| vehicleBuilder.getWheelBuilder(3) |
| .setRadius(20).setWidth(20); |
| |
| // Now get wheels and check that only that one changed |
| for (int i = 0; i < wheels.size(); i++) { |
| if (i < 3) { |
| assertSame(wheels.get(i), vehicleBuilder.getWheel(i)); |
| } else { |
| assertNotSame(wheels.get(i), vehicleBuilder.getWheel(i)); |
| } |
| } |
| } |
| |
| public void testRemove_WithNestedBuilders() { |
| Vehicle.Builder vehicleBuilder = Vehicle.newBuilder(); |
| vehicleBuilder.addWheelBuilder() |
| .setRadius(1) |
| .setWidth(1); |
| vehicleBuilder.addWheelBuilder() |
| .setRadius(2) |
| .setWidth(2); |
| vehicleBuilder.removeWheel(0); |
| |
| assertEquals(1, vehicleBuilder.getWheelCount()); |
| assertEquals(2, vehicleBuilder.getWheel(0).getRadius()); |
| } |
| |
| public void testRemove_WithNestedMessages() { |
| Vehicle.Builder vehicleBuilder = Vehicle.newBuilder(); |
| vehicleBuilder.addWheel(Wheel.newBuilder() |
| .setRadius(1) |
| .setWidth(1)); |
| vehicleBuilder.addWheel(Wheel.newBuilder() |
| .setRadius(2) |
| .setWidth(2)); |
| vehicleBuilder.removeWheel(0); |
| |
| assertEquals(1, vehicleBuilder.getWheelCount()); |
| assertEquals(2, vehicleBuilder.getWheel(0).getRadius()); |
| } |
| |
| public void testMerge() { |
| Vehicle vehicle1 = Vehicle.newBuilder() |
| .addWheel(Wheel.newBuilder().setRadius(1).build()) |
| .addWheel(Wheel.newBuilder().setRadius(2).build()) |
| .build(); |
| |
| Vehicle vehicle2 = Vehicle.newBuilder() |
| .mergeFrom(vehicle1) |
| .build(); |
| // List should be the same -- no allocation |
| assertSame(vehicle1.getWheelList(), vehicle2.getWheelList()); |
| |
| Vehicle vehicle3 = vehicle1.toBuilder().build(); |
| assertSame(vehicle1.getWheelList(), vehicle3.getWheelList()); |
| } |
| |
| public void testGettingBuilderMarksFieldAsHaving() { |
| Vehicle.Builder vehicleBuilder = Vehicle.newBuilder(); |
| vehicleBuilder.getEngineBuilder(); |
| Vehicle vehicle = vehicleBuilder.buildPartial(); |
| assertTrue(vehicle.hasEngine()); |
| } |
| } |