// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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// 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.
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// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
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package com.google.protobuf;
import static com.google.common.truth.Truth.assertThat;
import com.google.protobuf.PackedFieldTestProto.TestAllTypes;
import com.google.protobuf.PackedFieldTestProto.TestAllTypes.NestedEnum;
import com.google.protobuf.PackedFieldTestProto.TestUnpackedTypes;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests primitive repeated fields in proto3 are packed in wire format. */
@RunWith(JUnit4.class)
public class PackedFieldTest {
static final ByteString expectedPackedRawBytes =
ByteString.copyFrom(
new byte[] {
(byte) 0xFA,
0x01,
0x01,
0x01, // repeated int32
(byte) 0x82,
0x02,
0x01,
0x01, // repeated int64
(byte) 0x8A,
0x02,
0x01,
0x01, // repeated uint32
(byte) 0x92,
0x02,
0x01,
0x01, // repeated uint64
(byte) 0x9A,
0x02,
0x01,
0x02, // repeated sint32
(byte) 0xA2,
0x02,
0x01,
0x02, // repeated sint64
(byte) 0xAA,
0x02,
0x04,
0x01,
0x00,
0x00,
0x00, // repeated fixed32
(byte) 0xB2,
0x02,
0x08,
0x01,
0x00,
0x00,
0x00, // repeated fixed64
0x00,
0x00,
0x00,
0x00,
(byte) 0xBA,
0x02,
0x04,
0x01,
0x00,
0x00,
0x00, // repeated sfixed32
(byte) 0xC2,
0x02,
0x08,
0x01,
0x00,
0x00,
0x00, // repeated sfixed64
0x00,
0x00,
0x00,
0x00,
(byte) 0xCA,
0x02,
0x04,
0x00,
0x00,
(byte) 0x80,
0x3f, // repeated float
(byte) 0xD2,
0x02,
0x08,
0x00,
0x00,
0x00,
0x00, // repeated double
0x00,
0x00,
(byte) 0xf0,
0x3f,
(byte) 0xDA,
0x02,
0x01,
0x01, // repeated bool
(byte) 0x9A,
0x03,
0x01,
0x01 // repeated nested enum
});
static final ByteString expectedUnpackedRawBytes =
ByteString.copyFrom(
new byte[] {
0x08,
0x01, // repeated int32
0x10,
0x01, // repeated int64
0x18,
0x01, // repeated uint32
0x20,
0x01, // repeated uint64
0x28,
0x02, // repeated sint32
0x30,
0x02, // repeated sint64
0x3D,
0x01,
0x00,
0x00,
0x00, // repeated fixed32
0x41,
0x01,
0x00,
0x00,
0x00, // repeated fixed64
0x00,
0x00,
0x00,
0x00,
0x4D,
0x01,
0x00,
0x00,
0x00, // repeated sfixed32
0x51,
0x01,
0x00,
0x00,
0x00, // repeated sfixed64
0x00,
0x00,
0x00,
0x00,
0x5D,
0x00,
0x00,
(byte) 0x80,
0x3f, // repeated float
0x61,
0x00,
0x00,
0x00,
0x00, // repeated double
0x00,
0x00,
(byte) 0xf0,
0x3f,
0x68,
0x01, // repeated bool
0x70,
0x01, // repeated nested enum
});
@Test
public void testPackedGeneratedMessage() throws Exception {
TestAllTypes message = TestAllTypes.parseFrom(expectedPackedRawBytes);
assertThat(message.toByteString()).isEqualTo(expectedPackedRawBytes);
}
@Test
public void testPackedDynamicMessageSerialize() throws Exception {
DynamicMessage message =
DynamicMessage.parseFrom(TestAllTypes.getDescriptor(), expectedPackedRawBytes);
assertThat(message.toByteString()).isEqualTo(expectedPackedRawBytes);
}
@Test
public void testUnpackedGeneratedMessage() throws Exception {
TestUnpackedTypes message = TestUnpackedTypes.parseFrom(expectedUnpackedRawBytes);
assertThat(message.toByteString()).isEqualTo(expectedUnpackedRawBytes);
}
@Test
public void testUnPackedDynamicMessageSerialize() throws Exception {
DynamicMessage message =
DynamicMessage.parseFrom(TestUnpackedTypes.getDescriptor(), expectedUnpackedRawBytes);
assertThat(message.toByteString()).isEqualTo(expectedUnpackedRawBytes);
}
// Make sure we haven't screwed up the code generation for packing fields by default.
@Test
public void testPackedSerialization() throws Exception {
TestAllTypes message =
TestAllTypes.newBuilder()
.addRepeatedInt32(1234)
.addRepeatedNestedEnum(NestedEnum.BAR)
.build();
CodedInputStream in = CodedInputStream.newInstance(message.toByteArray());
while (!in.isAtEnd()) {
int tag = in.readTag();
assertThat(WireFormat.getTagWireType(tag)).isEqualTo(WireFormat.WIRETYPE_LENGTH_DELIMITED);
in.skipField(tag);
}
}
}
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