public void CopyTo_NullArray_Exception()
{
// Arrange
ReverseCollection <int> reversedCollection = new ReverseCollection <int>(initialArray);
int[] copyArray = null;
// Act
// Assert
Assert.ThrowsException <ArgumentNullException>(() => reversedCollection.CopyTo(copyArray, 0));
}
public void CopyTo_WrongIndex_Exception()
{
// Arrange
ReverseCollection <int> reversedCollection = new ReverseCollection <int>(initialArray);
int[] copyArray = new int[5];
int wrongIndex = Convert.ToInt32(TestContext.DataRow["Index"]);
// Act
// Assert
Assert.ThrowsException <ArgumentOutOfRangeException>(() => reversedCollection.CopyTo(copyArray, wrongIndex));
}
public void CopyTo_SmallerArray_Exception()
{
// Arrange
ReverseCollection <int> reversedCollection = new ReverseCollection <int>(initialArray);
int copyIndex = 0;
int[] copyArray = new int[1];
// Act
// Assert
Assert.ThrowsException <ArgumentException>(() => reversedCollection.CopyTo(copyArray, copyIndex));
}
public void CopyTo_FromStart()
{
// Arrange
ReverseCollection <int> reversedCollection = new ReverseCollection <int>(initialArray);
int startedIndex = 0;
int arrayLength = 5;
int[] copyArray = new int[arrayLength];
// Act
reversedCollection.CopyTo(copyArray, startedIndex);
// Assert
CollectionAssert.AreEqual(reversedArray, copyArray);
}
public void CopyTo_ToMiddle()
{
// Arrange
ReverseCollection <int> reversedCollection = new ReverseCollection <int>(initialArray);
int startedIndex = 2;
int arrayLength = 7;
int[] copyArray = new int[arrayLength];
int[] expectedArray = new int[] { 0, 0, 5, 4, 3, 2, 1 };
// Act
reversedCollection.CopyTo(copyArray, startedIndex);
// Assert
CollectionAssert.AreEqual(expectedArray, copyArray);
}
public void CopyTo_BiggerArray_Exception()
{
// Arrange
ReverseCollection <int> reversedCollection = new ReverseCollection <int>(initialArray);
int copyIndex = 0;
int[] copyArray = new int[10];
int[] expectedArray = new int[10] {
5, 4, 3, 2, 1, 0, 0, 0, 0, 0
};
// Act
reversedCollection.CopyTo(copyArray, copyIndex);
// Assert
CollectionAssert.AreEquivalent(expectedArray, copyArray);
}