public void TestOneofTypes_Message()
{
TestOneof2.Builder builder = TestOneof2.CreateBuilder();
Assert.AreEqual(builder.FooMessage.QuxInt, 0);
builder.SetFooMessage(TestOneof2.Types.NestedMessage.CreateBuilder().SetQuxInt(234).Build());
Assert.IsTrue(builder.HasFooMessage);
Assert.AreEqual(builder.FooMessage.QuxInt, 234);
TestOneof2 message = builder.BuildPartial();
Assert.IsTrue(message.HasFooMessage);
Assert.AreEqual(message.FooMessage.QuxInt, 234);
Assert.IsFalse(builder.ClearFooMessage().HasFooMessage);
message = builder.Build();
Assert.IsFalse(message.HasFooMessage);
Assert.AreEqual(message.FooMessage.QuxInt, 0);
builder = TestOneof2.CreateBuilder();
Assert.IsFalse(builder.HasFooMessage);
builder.SetFooMessage(TestOneof2.Types.NestedMessage.CreateBuilder().SetQuxInt(123));
Assert.IsTrue(builder.HasFooMessage);
Assert.AreEqual(builder.FooMessage.QuxInt, 123);
message = builder.Build();
Assert.IsTrue(message.HasFooMessage);
Assert.AreEqual(message.FooMessage.QuxInt, 123);
}