diff options
Diffstat (limited to 'java/compatibility_tests/v2.5.0/tests/src/main/java/com/google/protobuf/test/RepeatedFieldBuilderTest.java')
-rw-r--r-- | java/compatibility_tests/v2.5.0/tests/src/main/java/com/google/protobuf/test/RepeatedFieldBuilderTest.java | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/java/compatibility_tests/v2.5.0/tests/src/main/java/com/google/protobuf/test/RepeatedFieldBuilderTest.java b/java/compatibility_tests/v2.5.0/tests/src/main/java/com/google/protobuf/test/RepeatedFieldBuilderTest.java new file mode 100644 index 00000000..9a1d8cad --- /dev/null +++ b/java/compatibility_tests/v2.5.0/tests/src/main/java/com/google/protobuf/test/RepeatedFieldBuilderTest.java @@ -0,0 +1,191 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// http://code.google.com/p/protobuf/ +// +// 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.test; +import com.google.protobuf.*; + +import protobuf_unittest.UnittestProto.TestAllTypes; +import protobuf_unittest.UnittestProto.TestAllTypesOrBuilder; + +import junit.framework.TestCase; + +import java.util.Collections; +import java.util.List; + +/** + * Tests for {@link RepeatedFieldBuilder}. This tests basic functionality. + * More extensive testing is provided via other tests that exercise the + * builder. + * + * @author jonp@google.com (Jon Perlow) + */ +public class RepeatedFieldBuilderTest extends TestCase { + + public void testBasicUse() { + TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); + RepeatedFieldBuilder<TestAllTypes, TestAllTypes.Builder, + TestAllTypesOrBuilder> builder = newRepeatedFieldBuilder(mockParent); + builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(0).build()); + builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(1).build()); + assertEquals(0, builder.getMessage(0).getOptionalInt32()); + assertEquals(1, builder.getMessage(1).getOptionalInt32()); + + List<TestAllTypes> list = builder.build(); + assertEquals(2, list.size()); + assertEquals(0, list.get(0).getOptionalInt32()); + assertEquals(1, list.get(1).getOptionalInt32()); + assertIsUnmodifiable(list); + + // Make sure it doesn't change. + List<TestAllTypes> list2 = builder.build(); + assertSame(list, list2); + assertEquals(0, mockParent.getInvalidationCount()); + } + + public void testGoingBackAndForth() { + TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); + RepeatedFieldBuilder<TestAllTypes, TestAllTypes.Builder, + TestAllTypesOrBuilder> builder = newRepeatedFieldBuilder(mockParent); + builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(0).build()); + builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(1).build()); + assertEquals(0, builder.getMessage(0).getOptionalInt32()); + assertEquals(1, builder.getMessage(1).getOptionalInt32()); + + // Convert to list + List<TestAllTypes> list = builder.build(); + assertEquals(2, list.size()); + assertEquals(0, list.get(0).getOptionalInt32()); + assertEquals(1, list.get(1).getOptionalInt32()); + assertIsUnmodifiable(list); + + // Update 0th item + assertEquals(0, mockParent.getInvalidationCount()); + builder.getBuilder(0).setOptionalString("foo"); + assertEquals(1, mockParent.getInvalidationCount()); + list = builder.build(); + assertEquals(2, list.size()); + assertEquals(0, list.get(0).getOptionalInt32()); + assertEquals("foo", list.get(0).getOptionalString()); + assertEquals(1, list.get(1).getOptionalInt32()); + assertIsUnmodifiable(list); + assertEquals(1, mockParent.getInvalidationCount()); + } + + public void testVariousMethods() { + TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); + RepeatedFieldBuilder<TestAllTypes, TestAllTypes.Builder, + TestAllTypesOrBuilder> builder = newRepeatedFieldBuilder(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); + + assertEquals(0, builder.getMessage(0).getOptionalInt32()); + assertEquals(1, builder.getMessage(1).getOptionalInt32()); + assertEquals(2, builder.getMessage(2).getOptionalInt32()); + assertEquals(3, builder.getMessage(3).getOptionalInt32()); + + assertEquals(0, mockParent.getInvalidationCount()); + List<TestAllTypes> messages = builder.build(); + assertEquals(4, messages.size()); + assertSame(messages, builder.build()); // expect same list + + // Remove a message. + builder.remove(2); + assertEquals(1, mockParent.getInvalidationCount()); + assertEquals(3, builder.getCount()); + assertEquals(0, builder.getMessage(0).getOptionalInt32()); + assertEquals(1, builder.getMessage(1).getOptionalInt32()); + assertEquals(3, builder.getMessage(2).getOptionalInt32()); + + // Remove a builder. + builder.remove(0); + assertEquals(1, mockParent.getInvalidationCount()); + assertEquals(2, builder.getCount()); + assertEquals(1, builder.getMessage(0).getOptionalInt32()); + assertEquals(3, builder.getMessage(1).getOptionalInt32()); + + // Test clear. + builder.clear(); + assertEquals(1, mockParent.getInvalidationCount()); + assertEquals(0, builder.getCount()); + assertTrue(builder.isEmpty()); + } + + public void testLists() { + TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); + RepeatedFieldBuilder<TestAllTypes, TestAllTypes.Builder, + TestAllTypesOrBuilder> builder = newRepeatedFieldBuilder(mockParent); + builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(1).build()); + builder.addMessage(0, + TestAllTypes.newBuilder().setOptionalInt32(0).build()); + assertEquals(0, builder.getMessage(0).getOptionalInt32()); + assertEquals(1, builder.getMessage(1).getOptionalInt32()); + + // Use list of builders. + List<TestAllTypes.Builder> builders = builder.getBuilderList(); + assertEquals(0, builders.get(0).getOptionalInt32()); + assertEquals(1, builders.get(1).getOptionalInt32()); + builders.get(0).setOptionalInt32(10); + builders.get(1).setOptionalInt32(11); + + // Use list of protos + List<TestAllTypes> protos = builder.getMessageList(); + assertEquals(10, protos.get(0).getOptionalInt32()); + assertEquals(11, protos.get(1).getOptionalInt32()); + + // Add an item to the builders and verify it's updated in both + builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(12).build()); + assertEquals(3, builders.size()); + assertEquals(3, protos.size()); + } + + 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(); + fail("List wasn't immutable"); + } catch (UnsupportedOperationException e) { + // good + } + } + } + + private RepeatedFieldBuilder<TestAllTypes, TestAllTypes.Builder, + TestAllTypesOrBuilder> + newRepeatedFieldBuilder(TestUtil.MockBuilderParent parent) { + return new RepeatedFieldBuilder<TestAllTypes, TestAllTypes.Builder, + TestAllTypesOrBuilder>(Collections.<TestAllTypes>emptyList(), false, + parent, false); + } +} |