public static void X509CertificateCollectionRemoveAt()
{
using (X509Certificate c1 = new X509Certificate())
using (X509Certificate c2 = new X509Certificate())
using (X509Certificate c3 = new X509Certificate())
{
X509CertificateCollection cc = new X509CertificateCollection(new X509Certificate[] { c1, c2, c3 });
cc.RemoveAt(0);
Assert.Equal(2, cc.Count);
Assert.Same(c2, cc[0]);
Assert.Same(c3, cc[1]);
cc.RemoveAt(1);
Assert.Equal(1, cc.Count);
Assert.Same(c2, cc[0]);
cc.RemoveAt(0);
Assert.Equal(0, cc.Count);
IList il = new X509CertificateCollection(new X509Certificate[] { c1, c2, c3 });
il.RemoveAt(0);
Assert.Equal(2, il.Count);
Assert.Same(c2, il[0]);
Assert.Same(c3, il[1]);
il.RemoveAt(1);
Assert.Equal(1, il.Count);
Assert.Same(c2, il[0]);
il.RemoveAt(0);
Assert.Equal(0, il.Count);
}
}
public static void X509CertificateCollectionThrowsArgumentOutOfRangeException()
{
using (X509Certificate certificate = new X509Certificate())
{
X509CertificateCollection collection = new X509CertificateCollection { certificate };
Assert.Throws<ArgumentOutOfRangeException>(() => collection[-1]);
Assert.Throws<ArgumentOutOfRangeException>(() => collection[collection.Count]);
Assert.Throws<ArgumentOutOfRangeException>(() => collection[-1] = certificate);
Assert.Throws<ArgumentOutOfRangeException>(() => collection[collection.Count] = certificate);
Assert.Throws<ArgumentOutOfRangeException>(() => collection.Insert(-1, certificate));
Assert.Throws<ArgumentOutOfRangeException>(() => collection.Insert(collection.Count + 1, certificate));
Assert.Throws<ArgumentOutOfRangeException>(() => collection.RemoveAt(-1));
Assert.Throws<ArgumentOutOfRangeException>(() => collection.RemoveAt(collection.Count));
IList ilist = (IList)collection;
Assert.Throws<ArgumentOutOfRangeException>(() => ilist[-1]);
Assert.Throws<ArgumentOutOfRangeException>(() => ilist[collection.Count]);
Assert.Throws<ArgumentOutOfRangeException>(() => ilist[-1] = certificate);
Assert.Throws<ArgumentOutOfRangeException>(() => ilist[collection.Count] = certificate);
Assert.Throws<ArgumentOutOfRangeException>(() => ilist.Insert(-1, certificate));
Assert.Throws<ArgumentOutOfRangeException>(() => ilist.Insert(collection.Count + 1, certificate));
Assert.Throws<ArgumentOutOfRangeException>(() => ilist.RemoveAt(-1));
Assert.Throws<ArgumentOutOfRangeException>(() => ilist.RemoveAt(collection.Count));
}
}