// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// http://code.google.com/p/protobuf/
//
// 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.
//
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package com.google.protobuf;
import com.google.protobuf.UnittestLite;
import com.google.protobuf.UnittestLite.TestAllTypesLite;
import com.google.protobuf.UnittestLite.TestAllExtensionsLite;
import com.google.protobuf.UnittestLite.TestNestedExtensionLite;
import junit.framework.TestCase;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
/**
* Test lite runtime.
*
* @author kenton@google.com Kenton Varda
*/
public class LiteTest extends TestCase {
public void setUp() throws Exception {
// Test that nested extensions are initialized correctly even if the outer
// class has not been accessed directly. This was once a bug with lite
// messages.
//
// We put this in setUp() rather than in its own test method because we
// need to make sure it runs before any actual tests.
assertTrue(TestNestedExtensionLite.nestedExtension != null);
}
public void testLite() throws Exception {
// Since lite messages are a subset of regular messages, we can mostly
// assume that the functionality of lite messages is already thoroughly
// tested by the regular tests. All this test really verifies is that
// a proto with optimize_for = LITE_RUNTIME compiles correctly when
// linked only against the lite library. That is all tested at compile
// time, leaving not much to do in this method. Let's just do some random
// stuff to make sure the lite message is actually here and usable.
TestAllTypesLite message =
TestAllTypesLite.newBuilder()
.setOptionalInt32(123)
.addRepeatedString("hello")
.setOptionalNestedMessage(
TestAllTypesLite.NestedMessage.newBuilder().setBb(7))
.build();
ByteString data = message.toByteString();
TestAllTypesLite message2 = TestAllTypesLite.parseFrom(data);
assertEquals(123, message2.getOptionalInt32());
assertEquals(1, message2.getRepeatedStringCount());
assertEquals("hello", message2.getRepeatedString(0));
assertEquals(7, message2.getOptionalNestedMessage().getBb());
}
public void testLiteExtensions() throws Exception {
// TODO(kenton): Unlike other features of the lite library, extensions are
// implemented completely differently from the regular library. We
// should probably test them more thoroughly.
TestAllExtensionsLite message =
TestAllExtensionsLite.newBuilder()
.setExtension(UnittestLite.optionalInt32ExtensionLite, 123)
.addExtension(UnittestLite.repeatedStringExtensionLite, "hello")
.setExtension(UnittestLite.optionalNestedEnumExtensionLite,
TestAllTypesLite.NestedEnum.BAZ)
.setExtension(UnittestLite.optionalNestedMessageExtensionLite,
TestAllTypesLite.NestedMessage.newBuilder().setBb(7).build())
.build();
// Test copying a message, since coping extensions actually does use a
// different code path between lite and regular libraries, and as of this
// writing, parsing hasn't been implemented yet.
TestAllExtensionsLite message2 = message.toBuilder().build();
assertEquals(123, (int) message2.getExtension(
UnittestLite.optionalInt32ExtensionLite));
assertEquals(1, message2.getExtensionCount(
UnittestLite.repeatedStringExtensionLite));
assertEquals(1, message2.getExtension(
UnittestLite.repeatedStringExtensionLite).size());
assertEquals("hello", message2.getExtension(
UnittestLite.repeatedStringExtensionLite, 0));
assertEquals(TestAllTypesLite.NestedEnum.BAZ, message2.getExtension(
UnittestLite.optionalNestedEnumExtensionLite));
assertEquals(7, message2.getExtension(
UnittestLite.optionalNestedMessageExtensionLite).getBb());
}
public void testSerialize() throws Exception {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
TestAllTypesLite expected =
TestAllTypesLite.newBuilder()
.setOptionalInt32(123)
.addRepeatedString("hello")
.setOptionalNestedMessage(
TestAllTypesLite.NestedMessage.newBuilder().setBb(7))
.build();
ObjectOutputStream out = new ObjectOutputStream(baos);
try {
out.writeObject(expected);
} finally {
out.close();
}
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
ObjectInputStream in = new ObjectInputStream(bais);
TestAllTypesLite actual = (TestAllTypesLite) in.readObject();
assertEquals(expected.getOptionalInt32(), actual.getOptionalInt32());
assertEquals(expected.getRepeatedStringCount(),
actual.getRepeatedStringCount());
assertEquals(expected.getRepeatedString(0),
actual.getRepeatedString(0));
assertEquals(expected.getOptionalNestedMessage().getBb(),
actual.getOptionalNestedMessage().getBb());
}
}