This source file includes following definitions.
- testBasicUse
- testGoingBackAndForth
- testVariousMethods
- testLists
- assertIsUnmodifiable
- newRepeatedFieldBuilder
package 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;
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);
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());
List<TestAllTypes> list = builder.build();
assertEquals(2, list.size());
assertEquals(0, list.get(0).getOptionalInt32());
assertEquals(1, list.get(1).getOptionalInt32());
assertIsUnmodifiable(list);
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());
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());
builder.remove(0);
assertEquals(1, mockParent.getInvalidationCount());
assertEquals(2, builder.getCount());
assertEquals(1, builder.getMessage(0).getOptionalInt32());
assertEquals(3, builder.getMessage(1).getOptionalInt32());
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());
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);
List<TestAllTypes> protos = builder.getMessageList();
assertEquals(10, protos.get(0).getOptionalInt32());
assertEquals(11, protos.get(1).getOptionalInt32());
builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(12).build());
assertEquals(3, builders.size());
assertEquals(3, protos.size());
}
private void assertIsUnmodifiable(List<?> list) {
if (list == Collections.emptyList()) {
} else {
try {
list.clear();
fail("List wasn't immutable");
} catch (UnsupportedOperationException e) {
}
}
}
private RepeatedFieldBuilder<TestAllTypes, TestAllTypes.Builder,
TestAllTypesOrBuilder>
newRepeatedFieldBuilder(GeneratedMessage.BuilderParent parent) {
return new RepeatedFieldBuilder<TestAllTypes, TestAllTypes.Builder,
TestAllTypesOrBuilder>(Collections.<TestAllTypes>emptyList(), false,
parent, false);
}
}