| // 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 protobuf_unittest.UnittestProto.TestAllTypes; |
| import protobuf_unittest.UnittestProto.TestAllTypesOrBuilder; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * Tests for {@link SingleFieldBuilderV3}. This tests basic functionality. More extensive testing is |
| * provided via other tests that exercise the builder. |
| */ |
| @RunWith(JUnit4.class) |
| public class SingleFieldBuilderV3Test { |
| |
| @Test |
| public void testBasicUseAndInvalidations() { |
| TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); |
| SingleFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, TestAllTypesOrBuilder> builder = |
| new SingleFieldBuilderV3<>(TestAllTypes.getDefaultInstance(), mockParent, false); |
| assertThat(builder.getMessage()).isSameInstanceAs(TestAllTypes.getDefaultInstance()); |
| assertThat(builder.getBuilder().buildPartial()).isEqualTo(TestAllTypes.getDefaultInstance()); |
| assertThat(mockParent.getInvalidationCount()).isEqualTo(0); |
| |
| builder.getBuilder().setOptionalInt32(10); |
| assertThat(mockParent.getInvalidationCount()).isEqualTo(0); |
| TestAllTypes message = builder.build(); |
| assertThat(message.getOptionalInt32()).isEqualTo(10); |
| |
| // Test that we receive invalidations now that build has been called. |
| assertThat(mockParent.getInvalidationCount()).isEqualTo(0); |
| builder.getBuilder().setOptionalInt32(20); |
| assertThat(mockParent.getInvalidationCount()).isEqualTo(1); |
| |
| // Test that we don't keep getting invalidations on every change |
| builder.getBuilder().setOptionalInt32(30); |
| assertThat(mockParent.getInvalidationCount()).isEqualTo(1); |
| } |
| |
| @Test |
| public void testSetMessage() { |
| TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); |
| SingleFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, TestAllTypesOrBuilder> builder = |
| new SingleFieldBuilderV3<>(TestAllTypes.getDefaultInstance(), mockParent, false); |
| builder.setMessage(TestAllTypes.newBuilder().setOptionalInt32(0).build()); |
| assertThat(builder.getMessage().getOptionalInt32()).isEqualTo(0); |
| |
| // Update message using the builder |
| builder.getBuilder().setOptionalInt32(1); |
| assertThat(mockParent.getInvalidationCount()).isEqualTo(0); |
| assertThat(builder.getBuilder().getOptionalInt32()).isEqualTo(1); |
| assertThat(builder.getMessage().getOptionalInt32()).isEqualTo(1); |
| TestAllTypes unused = builder.build(); |
| builder.getBuilder().setOptionalInt32(2); |
| assertThat(builder.getBuilder().getOptionalInt32()).isEqualTo(2); |
| assertThat(builder.getMessage().getOptionalInt32()).isEqualTo(2); |
| |
| // Make sure message stays cached |
| assertThat(builder.getMessage()).isSameInstanceAs(builder.getMessage()); |
| } |
| |
| @Test |
| public void testClear() { |
| TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); |
| SingleFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, TestAllTypesOrBuilder> builder = |
| new SingleFieldBuilderV3<>(TestAllTypes.getDefaultInstance(), mockParent, false); |
| builder.setMessage(TestAllTypes.newBuilder().setOptionalInt32(0).build()); |
| assertThat(TestAllTypes.getDefaultInstance()).isNotSameInstanceAs(builder.getMessage()); |
| builder.clear(); |
| assertThat(builder.getMessage()).isSameInstanceAs(TestAllTypes.getDefaultInstance()); |
| |
| builder.getBuilder().setOptionalInt32(1); |
| assertThat(TestAllTypes.getDefaultInstance()).isNotSameInstanceAs(builder.getMessage()); |
| builder.clear(); |
| assertThat(builder.getMessage()).isSameInstanceAs(TestAllTypes.getDefaultInstance()); |
| } |
| |
| @Test |
| public void testMerge() { |
| TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); |
| SingleFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, TestAllTypesOrBuilder> builder = |
| new SingleFieldBuilderV3<>(TestAllTypes.getDefaultInstance(), mockParent, false); |
| |
| // Merge into default field. |
| builder.mergeFrom(TestAllTypes.getDefaultInstance()); |
| assertThat(builder.getMessage()).isSameInstanceAs(TestAllTypes.getDefaultInstance()); |
| |
| // Merge into non-default field on existing builder. |
| builder.getBuilder().setOptionalInt32(2); |
| builder.mergeFrom(TestAllTypes.newBuilder().setOptionalDouble(4.0).buildPartial()); |
| assertThat(builder.getMessage().getOptionalInt32()).isEqualTo(2); |
| assertThat(builder.getMessage().getOptionalDouble()).isEqualTo(4.0); |
| |
| // Merge into non-default field on existing message |
| builder.setMessage(TestAllTypes.newBuilder().setOptionalInt32(10).buildPartial()); |
| builder.mergeFrom(TestAllTypes.newBuilder().setOptionalDouble(5.0).buildPartial()); |
| assertThat(builder.getMessage().getOptionalInt32()).isEqualTo(10); |
| assertThat(builder.getMessage().getOptionalDouble()).isEqualTo(5.0); |
| } |
| } |