@Test
public void testOptimizedSerializationDefaultDeserialization() throws Exception {
TestAllTypes message = createSampleMessage();
byte[] data = TestAllTypesSerializer.serialize(message);
protobuf_unittest.UnittestProto.TestAllTypes result =
protobuf_unittest.UnittestProto.TestAllTypes.parseFrom(data);
assertNotNull(result);
assertDeepEquals(result, message);
assertTrue(result.getUnknownFields().asMap().isEmpty());
}
@Test
public void testOptimizedSerializeToStreamDefaultDeserialization() throws Exception {
TestAllTypes message = createSampleMessage();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
TestAllTypesSerializer.serialize(message, baos);
protobuf_unittest.UnittestProto.TestAllTypes result =
protobuf_unittest.UnittestProto.TestAllTypes.parseFrom(baos.toByteArray());
assertNotNull(result);
assertDeepEquals(result, message);
assertTrue(result.getUnknownFields().asMap().isEmpty());
}
@Test
public void testDefaultSerializationOptimizedDeserialization() throws Exception {
TestAllTypes message = createSampleMessage();
byte[] data = TestAllTypesSerializer.serialize(message);
protobuf_unittest.UnittestProto.TestAllTypes result =
protobuf_unittest.UnittestProto.TestAllTypes.parseFrom(data);
byte[] defaultSerializationData = result.toByteArray();
TestAllTypes optimizedResult = TestAllTypesSerializer.parseFrom(defaultSerializationData);
assertDeepEquals(result, optimizedResult);
assertEquals(2, optimizedResult.getRepeatedForeignMessage().size());
assertEquals(1, optimizedResult.getRepeatedForeignMessage().get(0).getC());
assertEquals(2, optimizedResult.getRepeatedForeignMessage().get(1).getC());
}
public static void main(String[] args) throws Exception {
long times = 1000000;
long start;
TestAllTypes message = createSampleMessage();
byte[] data = TestAllTypesSerializer.serialize(message);
start = System.currentTimeMillis();
for (int i = 0; i < times; i++) {
TestAllTypesSerializer.serialize(message);
}
System.out.println(" * Optimized version(serialize): " + (System.currentTimeMillis() - start));
protobuf_unittest.UnittestProto.TestAllTypes result =
protobuf_unittest.UnittestProto.TestAllTypes.parseFrom(data);
start = System.currentTimeMillis();
for (int i = 0; i < times; i++) {
result.toByteArray();
}
System.out.println(" * Default version(serialize): " + (System.currentTimeMillis() - start));
ByteArrayOutputStream baos =
new ByteArrayOutputStream(
data.length
+ 10); // little trick to remove stream io issues and measure pure serialization
// power.
start = System.currentTimeMillis();
for (int i = 0; i < times; i++) {
TestAllTypesSerializer.serialize(message, baos);
baos.reset();
}
System.out.println(
" * Optimized streamed version(serialize): " + (System.currentTimeMillis() - start));
start = System.currentTimeMillis();
for (int i = 0; i < times; i++) {
result.writeTo(baos);
baos.reset();
}
System.out.println(
" * Default streamed version(serialize): " + (System.currentTimeMillis() - start));
start = System.currentTimeMillis();
for (int i = 0; i < times; i++) {
TestAllTypesSerializer.parseFrom(data);
}
System.out.println(
" * Optimized version(de-serialize): " + (System.currentTimeMillis() - start));
start = System.currentTimeMillis();
for (int i = 0; i < times; i++) {
protobuf_unittest.UnittestProto.TestAllTypes.parseFrom(data);
}
System.out.println(" * Default version(de-serialize): " + (System.currentTimeMillis() - start));
ByteArrayInputStream bais = new ByteArrayInputStream(data);
start = System.currentTimeMillis();
for (int i = 0; i < times; i++) {
TestAllTypesSerializer.parseFrom(bais);
bais.reset();
}
System.out.println(
" * Optimized streamed version(de-serialize): " + (System.currentTimeMillis() - start));
start = System.currentTimeMillis();
for (int i = 0; i < times; i++) {
protobuf_unittest.UnittestProto.TestAllTypes.parseFrom(bais);
bais.reset();
}
System.out.println(
" * Default streamed version(de-serialize): " + (System.currentTimeMillis() - start));
}