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using System;
using System.Collections.Generic;
using Google.ProtocolBuffers.TestProtos;
using Xunit;
namespace Google.ProtocolBuffers
{
public class GeneratedBuilderTest
{
class OneTimeEnumerator<T> : IEnumerable<T>
{
readonly T _item;
bool _enumerated;
public OneTimeEnumerator(T item)
{
_item = item;
}
public IEnumerator<T> GetEnumerator()
{
Assert.False(_enumerated);
_enumerated = true;
yield return _item;
}
System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
}
[Fact]
public void DoesNotEnumerateTwiceForMessageList()
{
TestAllTypes.Builder b = new TestAllTypes.Builder();
b.AddRangeRepeatedForeignMessage(new OneTimeEnumerator<ForeignMessage>(ForeignMessage.DefaultInstance));
}
[Fact]
public void DoesNotEnumerateTwiceForPrimitiveList()
{
TestAllTypes.Builder b = new TestAllTypes.Builder();
b.AddRangeRepeatedInt32(new OneTimeEnumerator<int>(1));
}
[Fact]
public void DoesNotEnumerateTwiceForStringList()
{
TestAllTypes.Builder b = new TestAllTypes.Builder();
b.AddRangeRepeatedString(new OneTimeEnumerator<string>("test"));
}
[Fact]
public void DoesNotEnumerateTwiceForEnumList()
{
TestAllTypes.Builder b = new TestAllTypes.Builder();
b.AddRangeRepeatedForeignEnum(new OneTimeEnumerator<ForeignEnum>(ForeignEnum.FOREIGN_BAR));
}
[Fact]
public void DoesNotAddNullToMessageListByAddRange()
{
TestAllTypes.Builder b = new TestAllTypes.Builder();
Assert.Throws<ArgumentNullException>(() => b.AddRangeRepeatedForeignMessage(new ForeignMessage[] { null }));
}
[Fact]
public void DoesNotAddNullToMessageListByAdd()
{
TestAllTypes.Builder b = new TestAllTypes.Builder();
Assert.Throws<ArgumentNullException>(() => b.AddRepeatedForeignMessage((ForeignMessage)null));
}
[Fact]
public void DoesNotAddNullToMessageListBySet()
{
TestAllTypes.Builder b = new TestAllTypes.Builder();
b.AddRepeatedForeignMessage(ForeignMessage.DefaultInstance);
Assert.Throws<ArgumentNullException>(() => b.SetRepeatedForeignMessage(0, (ForeignMessage)null));
}
[Fact]
public void DoesNotAddNullToStringListByAddRange()
{
TestAllTypes.Builder b = new TestAllTypes.Builder();
Assert.Throws<ArgumentNullException>(() => b.AddRangeRepeatedString(new String[] { null }));
}
[Fact]
public void DoesNotAddNullToStringListByAdd()
{
TestAllTypes.Builder b = new TestAllTypes.Builder();
Assert.Throws<ArgumentNullException>(() => b.AddRepeatedString(null));
}
[Fact]
public void DoesNotAddNullToStringListBySet()
{
TestAllTypes.Builder b = new TestAllTypes.Builder();
b.AddRepeatedString("one");
Assert.Throws<ArgumentNullException>(() => b.SetRepeatedString(0, null));
}
}
}
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