third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/java/core/src/test/java/com/google/protobuf/RepeatedFieldBuilderTest.java

-// 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;
-
-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(GeneratedMessage.BuilderParent parent) {
-    return new RepeatedFieldBuilder<TestAllTypes, TestAllTypes.Builder,
-        TestAllTypesOrBuilder>(Collections.<TestAllTypes>emptyList(), false,
-        parent, false);
-  }
-}