| // 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 static com.google.common.truth.Truth.assertThat; |
| import static com.google.common.truth.Truth.assertWithMessage; |
| |
| import protobuf_unittest.UnittestProto.TestAllTypes; |
| import protobuf_unittest.UnittestProto.TestAllTypesOrBuilder; |
| import java.util.Collections; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * Tests for {@link RepeatedFieldBuilderV3}. This tests basic functionality. More extensive testing is |
| * provided via other tests that exercise the builder. |
| */ |
| @RunWith(JUnit4.class) |
| public class RepeatedFieldBuilderV3Test { |
| |
| @Test |
| public void testBasicUse() { |
| TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); |
| RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, TestAllTypesOrBuilder> builder = |
| newRepeatedFieldBuilderV3(mockParent); |
| builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(0).build()); |
| builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(1).build()); |
| assertThat(builder.getMessage(0).getOptionalInt32()).isEqualTo(0); |
| assertThat(builder.getMessage(1).getOptionalInt32()).isEqualTo(1); |
| |
| List<TestAllTypes> list = builder.build(); |
| assertThat(list).hasSize(2); |
| assertThat(list.get(0).getOptionalInt32()).isEqualTo(0); |
| assertThat(list.get(1).getOptionalInt32()).isEqualTo(1); |
| assertIsUnmodifiable(list); |
| |
| // Make sure it doesn't change. |
| List<TestAllTypes> list2 = builder.build(); |
| assertThat(list).isSameInstanceAs(list2); |
| assertThat(mockParent.getInvalidationCount()).isEqualTo(0); |
| } |
| |
| @Test |
| public void testGoingBackAndForth() { |
| TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); |
| RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, TestAllTypesOrBuilder> builder = |
| newRepeatedFieldBuilderV3(mockParent); |
| builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(0).build()); |
| builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(1).build()); |
| assertThat(builder.getMessage(0).getOptionalInt32()).isEqualTo(0); |
| assertThat(builder.getMessage(1).getOptionalInt32()).isEqualTo(1); |
| |
| // Convert to list |
| List<TestAllTypes> list = builder.build(); |
| assertThat(list).hasSize(2); |
| assertThat(list.get(0).getOptionalInt32()).isEqualTo(0); |
| assertThat(list.get(1).getOptionalInt32()).isEqualTo(1); |
| assertIsUnmodifiable(list); |
| |
| // Update 0th item |
| assertThat(mockParent.getInvalidationCount()).isEqualTo(0); |
| builder.getBuilder(0).setOptionalString("foo"); |
| assertThat(mockParent.getInvalidationCount()).isEqualTo(1); |
| list = builder.build(); |
| assertThat(list).hasSize(2); |
| assertThat(list.get(0).getOptionalInt32()).isEqualTo(0); |
| assertThat(list.get(0).getOptionalString()).isEqualTo("foo"); |
| assertThat(list.get(1).getOptionalInt32()).isEqualTo(1); |
| assertIsUnmodifiable(list); |
| assertThat(mockParent.getInvalidationCount()).isEqualTo(1); |
| } |
| |
| @Test |
| public void testVariousMethods() { |
| TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); |
| RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, TestAllTypesOrBuilder> builder = |
| newRepeatedFieldBuilderV3(mockParent); |
| builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(1).build()); |
| builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(2).build()); |
| builder.addBuilder(0, TestAllTypes.getDefaultInstance()).setOptionalInt32(0); |
| builder.addBuilder(TestAllTypes.getDefaultInstance()).setOptionalInt32(3); |
| |
| assertThat(builder.getMessage(0).getOptionalInt32()).isEqualTo(0); |
| assertThat(builder.getMessage(1).getOptionalInt32()).isEqualTo(1); |
| assertThat(builder.getMessage(2).getOptionalInt32()).isEqualTo(2); |
| assertThat(builder.getMessage(3).getOptionalInt32()).isEqualTo(3); |
| |
| assertThat(mockParent.getInvalidationCount()).isEqualTo(0); |
| List<TestAllTypes> messages = builder.build(); |
| assertThat(messages).hasSize(4); |
| assertThat(messages).isSameInstanceAs(builder.build()); // expect same list |
| |
| // Remove a message. |
| builder.remove(2); |
| assertThat(mockParent.getInvalidationCount()).isEqualTo(1); |
| assertThat(builder.getCount()).isEqualTo(3); |
| assertThat(builder.getMessage(0).getOptionalInt32()).isEqualTo(0); |
| assertThat(builder.getMessage(1).getOptionalInt32()).isEqualTo(1); |
| assertThat(builder.getMessage(2).getOptionalInt32()).isEqualTo(3); |
| |
| // Remove a builder. |
| builder.remove(0); |
| assertThat(mockParent.getInvalidationCount()).isEqualTo(1); |
| assertThat(builder.getCount()).isEqualTo(2); |
| assertThat(builder.getMessage(0).getOptionalInt32()).isEqualTo(1); |
| assertThat(builder.getMessage(1).getOptionalInt32()).isEqualTo(3); |
| |
| // Test clear. |
| builder.clear(); |
| assertThat(mockParent.getInvalidationCount()).isEqualTo(1); |
| assertThat(builder.getCount()).isEqualTo(0); |
| assertThat(builder.isEmpty()).isTrue(); |
| } |
| |
| @Test |
| public void testLists() { |
| TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); |
| RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, TestAllTypesOrBuilder> builder = |
| newRepeatedFieldBuilderV3(mockParent); |
| builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(1).build()); |
| builder.addMessage(0, TestAllTypes.newBuilder().setOptionalInt32(0).build()); |
| assertThat(builder.getMessage(0).getOptionalInt32()).isEqualTo(0); |
| assertThat(builder.getMessage(1).getOptionalInt32()).isEqualTo(1); |
| |
| // Use list of builders. |
| List<TestAllTypes.Builder> builders = builder.getBuilderList(); |
| assertThat(builders.get(0).getOptionalInt32()).isEqualTo(0); |
| assertThat(builders.get(1).getOptionalInt32()).isEqualTo(1); |
| builders.get(0).setOptionalInt32(10); |
| builders.get(1).setOptionalInt32(11); |
| |
| // Use list of protos |
| List<TestAllTypes> protos = builder.getMessageList(); |
| assertThat(protos.get(0).getOptionalInt32()).isEqualTo(10); |
| assertThat(protos.get(1).getOptionalInt32()).isEqualTo(11); |
| |
| // Add an item to the builders and verify it's updated in both |
| builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(12).build()); |
| assertThat(builders).hasSize(3); |
| assertThat(protos).hasSize(3); |
| } |
| |
| private void assertIsUnmodifiable(List<?> list) { |
| if (list == Collections.emptyList()) { |
| // OKAY -- Need to check this b/c EmptyList allows you to call clear. |
| } else { |
| try { |
| list.clear(); |
| assertWithMessage("List wasn't immutable").fail(); |
| } catch (UnsupportedOperationException e) { |
| // good |
| } |
| } |
| } |
| |
| private RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, TestAllTypesOrBuilder> |
| newRepeatedFieldBuilderV3(GeneratedMessage.BuilderParent parent) { |
| return new RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, TestAllTypesOrBuilder>( |
| Collections.<TestAllTypes>emptyList(), false, parent, false); |
| } |
| } |