public void TestAllTypesEquality()
{
TestAllTypesLite msg = TestAllTypesLite.DefaultInstance;
TestAllTypesLite copy = msg.ToBuilder().Build();
Assert.AreEqual(msg.GetHashCode(), copy.GetHashCode());
Assert.IsTrue(msg.Equals(copy));
msg = msg.ToBuilder().SetOptionalString("Hi").Build();
Assert.AreNotEqual(msg.GetHashCode(), copy.GetHashCode());
Assert.IsFalse(msg.Equals(copy));
copy = copy.ToBuilder().SetOptionalString("Hi").Build();
Assert.AreEqual(msg.GetHashCode(), copy.GetHashCode());
Assert.IsTrue(msg.Equals(copy));
}