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// 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 SingleFieldBuilderV3}. This tests basic functionality.
* More extensive testing is provided via other tests that exercise the
* builder.
*
* @author jonp@google.com (Jon Perlow)
*/
public class SingleFieldBuilderV3Test extends TestCase {
public void testBasicUseAndInvalidations() {
TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent();
SingleFieldBuilderV3<TestAllTypes, TestAllTypes.Builder,
TestAllTypesOrBuilder> builder =
new SingleFieldBuilderV3<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();
SingleFieldBuilderV3<TestAllTypes, TestAllTypes.Builder,
TestAllTypesOrBuilder> builder =
new SingleFieldBuilderV3<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();
SingleFieldBuilderV3<TestAllTypes, TestAllTypes.Builder,
TestAllTypesOrBuilder> builder =
new SingleFieldBuilderV3<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();
SingleFieldBuilderV3<TestAllTypes, TestAllTypes.Builder,
TestAllTypesOrBuilder> builder =
new SingleFieldBuilderV3<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());
}
}
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