TestAllTypes message = TestUtil.getAllSet();
ByteString rawBytes = message.toByteString();
ExtensionRegistryLite registry_lite = TestUtil.getExtensionRegistryLite();
TestAllExtensionsLite message2 =
TestAllExtensionsLite.parseFrom(rawBytes, registry_lite);
TestUtil.assertAllExtensionsSet(message2);
// Try again using a full extension registry.
ExtensionRegistry registry = TestUtil.getExtensionRegistry();
TestAllExtensionsLite message3 =
TestAllExtensionsLite.parseFrom(rawBytes, registry);
TestUtil.assertAllExtensionsSet(message3);
}