public void TestAllTypesToString()
{
TestAllTypesLite msg = TestAllTypesLite.DefaultInstance;
TestAllTypesLite copy = msg.ToBuilder().Build();
Assert.AreEqual(msg.ToString(), copy.ToString());
Assert.IsEmpty(msg.ToString());
msg = msg.ToBuilder().SetOptionalInt32(-1).Build();
Assert.AreEqual("optional_int32: -1", msg.ToString().TrimEnd());
msg = msg.ToBuilder().SetOptionalString("abc123").Build();
Assert.AreEqual("optional_int32: -1\noptional_string: \"abc123\"", msg.ToString().Replace("\r", "").TrimEnd());
}