public void CopyTo_InvalidArgument_ThrowsException()
{
var dict = new ListMultiDictionary <int, int> {
[3] = new[] { 1, 2, 3 }
};
Assert.ThrowsException <ArgumentNullException>(() => dict.CopyTo(null, 0));
Assert.ThrowsException <ArgumentOutOfRangeException>(() =>
dict.CopyTo(new KeyValuePair <int, IReadOnlyCollection <int> > [1], -1));
Assert.ThrowsException <ArgumentOutOfRangeException>(() =>
dict.CopyTo(new KeyValuePair <int, IReadOnlyCollection <int> > [1], 2));
Assert.ThrowsException <ArgumentOutOfRangeException>(() =>
dict.CopyTo(new KeyValuePair <int, IReadOnlyCollection <int> > [1], 1));
}
public void CopyTo()
{
var dict = new ListMultiDictionary <int, int> {
[3] = new[] { 1, 2, 3 }
};
var arr = new KeyValuePair <int, IReadOnlyCollection <int> > [1];
dict.CopyTo(arr, 0);
var kv = arr[0];
Assert.AreEqual(3, kv.Key);
Assert.IsTrue(kv.Value.SequenceEqual(new[] { 1, 2, 3 }));
}