diff options
Diffstat (limited to 'java/src/test/java/com/google/protobuf/SingleFieldBuilderTest.java')
-rw-r--r-- | java/src/test/java/com/google/protobuf/SingleFieldBuilderTest.java | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/java/src/test/java/com/google/protobuf/SingleFieldBuilderTest.java b/java/src/test/java/com/google/protobuf/SingleFieldBuilderTest.java new file mode 100644 index 0000000..58b8000 --- /dev/null +++ b/java/src/test/java/com/google/protobuf/SingleFieldBuilderTest.java @@ -0,0 +1,155 @@ +// 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.UnittestProto.TestAllTypes; +import protobuf_unittest.UnittestProto.TestAllTypesOrBuilder; + +import junit.framework.TestCase; + +/** + * Tests for {@link SingleFieldBuilder}. This tests basic functionality. + * More extensive testing is provided via other tests that exercise the + * builder. + * + * @author jonp@google.com (Jon Perlow) + */ +public class SingleFieldBuilderTest extends TestCase { + + public void testBasicUseAndInvalidations() { + TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); + SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, + TestAllTypesOrBuilder> builder = + new SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, + TestAllTypesOrBuilder>( + TestAllTypes.getDefaultInstance(), + mockParent, + false); + assertSame(TestAllTypes.getDefaultInstance(), builder.getMessage()); + assertEquals(TestAllTypes.getDefaultInstance(), + builder.getBuilder().buildPartial()); + assertEquals(0, mockParent.getInvalidationCount()); + + builder.getBuilder().setOptionalInt32(10); + assertEquals(0, mockParent.getInvalidationCount()); + TestAllTypes message = builder.build(); + assertEquals(10, message.getOptionalInt32()); + + // Test that we receive invalidations now that build has been called. + assertEquals(0, mockParent.getInvalidationCount()); + builder.getBuilder().setOptionalInt32(20); + assertEquals(1, mockParent.getInvalidationCount()); + + // Test that we don't keep getting invalidations on every change + builder.getBuilder().setOptionalInt32(30); + assertEquals(1, mockParent.getInvalidationCount()); + + } + + public void testSetMessage() { + TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); + SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, + TestAllTypesOrBuilder> builder = + new SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, + TestAllTypesOrBuilder>( + TestAllTypes.getDefaultInstance(), + mockParent, + false); + builder.setMessage(TestAllTypes.newBuilder().setOptionalInt32(0).build()); + assertEquals(0, builder.getMessage().getOptionalInt32()); + + // Update message using the builder + builder.getBuilder().setOptionalInt32(1); + assertEquals(0, mockParent.getInvalidationCount()); + assertEquals(1, builder.getBuilder().getOptionalInt32()); + assertEquals(1, builder.getMessage().getOptionalInt32()); + builder.build(); + builder.getBuilder().setOptionalInt32(2); + assertEquals(2, builder.getBuilder().getOptionalInt32()); + assertEquals(2, builder.getMessage().getOptionalInt32()); + + // Make sure message stays cached + assertSame(builder.getMessage(), builder.getMessage()); + } + + public void testClear() { + TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); + SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, + TestAllTypesOrBuilder> builder = + new SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, + TestAllTypesOrBuilder>( + TestAllTypes.getDefaultInstance(), + mockParent, + false); + builder.setMessage(TestAllTypes.newBuilder().setOptionalInt32(0).build()); + assertNotSame(TestAllTypes.getDefaultInstance(), builder.getMessage()); + builder.clear(); + assertSame(TestAllTypes.getDefaultInstance(), builder.getMessage()); + + builder.getBuilder().setOptionalInt32(1); + assertNotSame(TestAllTypes.getDefaultInstance(), builder.getMessage()); + builder.clear(); + assertSame(TestAllTypes.getDefaultInstance(), builder.getMessage()); + } + + public void testMerge() { + TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); + SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, + TestAllTypesOrBuilder> builder = + new SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, + TestAllTypesOrBuilder>( + TestAllTypes.getDefaultInstance(), + mockParent, + false); + + // Merge into default field. + builder.mergeFrom(TestAllTypes.getDefaultInstance()); + assertSame(TestAllTypes.getDefaultInstance(), builder.getMessage()); + + // Merge into non-default field on existing builder. + builder.getBuilder().setOptionalInt32(2); + builder.mergeFrom(TestAllTypes.newBuilder() + .setOptionalDouble(4.0) + .buildPartial()); + assertEquals(2, builder.getMessage().getOptionalInt32()); + assertEquals(4.0, builder.getMessage().getOptionalDouble()); + + // Merge into non-default field on existing message + builder.setMessage(TestAllTypes.newBuilder() + .setOptionalInt32(10) + .buildPartial()); + builder.mergeFrom(TestAllTypes.newBuilder() + .setOptionalDouble(5.0) + .buildPartial()); + assertEquals(10, builder.getMessage().getOptionalInt32()); + assertEquals(5.0, builder.getMessage().getOptionalDouble()); + } +} |