// 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 java.util.Collections;
import java.util.List;
import junit.framework.TestCase;
/**
* Tests for {@link RepeatedFieldBuilderV3}. This tests basic functionality.
* More extensive testing is provided via other tests that exercise the
* builder.
*
* @author jonp@google.com (Jon Perlow)
*/
public class RepeatedFieldBuilderV3Test extends TestCase {
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());
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();
RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder,
TestAllTypesOrBuilder> builder = newRepeatedFieldBuilderV3(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();
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);
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();
RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder,
TestAllTypesOrBuilder> builder = newRepeatedFieldBuilderV3(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 RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder,
TestAllTypesOrBuilder>
newRepeatedFieldBuilderV3(GeneratedMessage.BuilderParent parent) {
return new RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder,
TestAllTypesOrBuilder>(Collections.<TestAllTypes>emptyList(), false,
parent, false);
}
}