public void SetReadOnlyCollectionAdapter_CopyTo_IndexLessThanZero_ThrowsArgumentOutOfRange()
{
SetReadOnlyCollectionAdapter <int> adapter =
new SetReadOnlyCollectionAdapter <int>(new int[5]);
ArgumentOutOfRangeException e = Assert.ThrowsException <ArgumentOutOfRangeException>(
() => adapter.CopyTo(new int[5], -1));
StringAssert.StartsWith(
e.Message,
ExceptionMessages.ArrayIndexBelowLowerBound);
}
public void SetReadOnlyCollectionAdapter_CopyTo_DestinationArrayTooSmall_ThrowsArgumentException(
int sourceArraySize,
int destinationArraySize,
int destinationStartIndexInclusive)
{
SetReadOnlyCollectionAdapter <int> adapter =
new SetReadOnlyCollectionAdapter <int>(new int[sourceArraySize]);
ArgumentException e = Assert.ThrowsException <ArgumentException>(
() => adapter.CopyTo(new int[destinationArraySize], destinationStartIndexInclusive));
StringAssert.StartsWith(
e.Message,
ExceptionMessages.DestinationArrayNotLongEnough);
}
public void SetReadOnlyCollectionAdapter_CopyTo_Succeeds()
{
int[] array = Enumerable.Range(1, 7).ToArray();
int[] destination = Enumerable.Repeat(-1, 12).ToArray();
SetReadOnlyCollectionAdapter <int> adapter = new SetReadOnlyCollectionAdapter <int>(array);
adapter.CopyTo(destination, 2);
for (int counter = 0; counter < 2; counter++)
{
Assert.AreEqual(-1, destination[counter]);
}
for (int counter = 2; counter < 9; counter++)
{
Assert.AreEqual(array[counter - 2], destination[counter]);
}
for (int counter = 9; counter < destination.Length; counter++)
{
Assert.AreEqual(-1, destination[counter]);
}
}