public void Remove_ManyOccurrence()
{
// Arrange
int[] startCollection = new int[] { 1, 2, 3, 3, 2, 1 };
ReverseCollection <int> reversedCollection = new ReverseCollection <int>(startCollection);
int itemToRemove = 2;
bool expectedRemoveResult = true;
bool expectedContainItemBeforeRemoving = true;
bool exoectedContainItemAfterRemoving = true;
int[] expectedCollection = new int[] { 1, 3, 3, 2, 1 };
// Act
bool actualContainItemBeforeRemoving = reversedCollection.Contains(itemToRemove);
bool actualRemoveResult = reversedCollection.Remove(itemToRemove);
bool actualContainItemAfterRemoving = reversedCollection.Contains(itemToRemove);
// Assert
Assert.AreEqual(expectedRemoveResult, actualRemoveResult);
Assert.AreEqual(expectedContainItemBeforeRemoving, actualContainItemBeforeRemoving);
Assert.AreEqual(exoectedContainItemAfterRemoving, actualContainItemAfterRemoving);
CollectionAssert.Contains(reversedCollection.ToArray(), itemToRemove);
}
public void Remove_OneOccurrence()
{
// Arrange
ReverseCollection <int> reversedCollection = new ReverseCollection <int>(initialArray);
int itemToRemove = 2;
bool expectedRemoveResult = true;
bool expectedContainItemBeforeRemoving = true;
bool exoectedContainItemAfterRemoving = false;
int[] expectedCollection = new int[4] {
5, 4, 3, 1
};
// Act
bool actualContainItemBeforeRemoving = reversedCollection.Contains(itemToRemove);
bool actualRemoveResult = reversedCollection.Remove(itemToRemove);
bool actualContainItemAfterRemoving = reversedCollection.Contains(itemToRemove);
int[] actualCollection = reversedCollection.ToArray();
// Assert
Assert.AreEqual(expectedRemoveResult, actualRemoveResult);
Assert.AreEqual(expectedContainItemBeforeRemoving, actualContainItemBeforeRemoving);
Assert.AreEqual(exoectedContainItemAfterRemoving, actualContainItemAfterRemoving);
CollectionAssert.AreEqual(expectedCollection, actualCollection);
CollectionAssert.DoesNotContain(actualCollection, itemToRemove);
}
public void Remove_WrongItem_False()
{
// Arrange
ReverseCollection <int> reversedCollection = new ReverseCollection <int>(initialArray);
int itemToRemove = int.MaxValue;
bool expectedRemoveResult = false;
bool expectedContainItemBeforeRemoving = false;
bool exoectedContainItemAfterRemoving = false;
// Act
bool actualContainItemBeforeRemoving = reversedCollection.Contains(itemToRemove);
bool actualRemoveResult = reversedCollection.Remove(itemToRemove);
bool actualContainItemAfterRemoving = reversedCollection.Contains(itemToRemove);
// Assert
Assert.AreEqual(expectedRemoveResult, actualRemoveResult);
Assert.AreEqual(expectedContainItemBeforeRemoving, actualContainItemBeforeRemoving);
Assert.AreEqual(exoectedContainItemAfterRemoving, actualContainItemAfterRemoving);
CollectionAssert.DoesNotContain(reversedCollection.ToArray(), itemToRemove);
}