public void TestBinaryTreeRemove_ShouldReturnFalseAndMakeNoChangesToTree_WhenTreeDoesNotContainElementToRemove()
{
// arrange
var binaryTree = new BinaryTree <int> {
8, 5, 12, 3, 7, 10, 15
};
var initialCount = binaryTree.Count;
// act
const int remove = 404;
var isRemoved = binaryTree.Remove(remove);
// assert
Assert.IsFalse(isRemoved);
Assert.AreEqual(initialCount, binaryTree.Count);
}
public void TestBinaryTreeRemove_ShouldReturnTrueAndRemoveElementFromTree_WhenTreeContainsElementToRemove()
{
// arrange
var binaryTree = new BinaryTree <int> {
8, 5, 12, 3, 7, 10, 15
};
var initialCount = binaryTree.Count;
// act
const int remove = 10;
var isRemoved = binaryTree.Remove(remove);
// assert
Assert.IsTrue(isRemoved);
Assert.IsTrue(binaryTree.Count < initialCount);
}
public void TestBinaryTreeRemove()
{
// arrange
var binaryTree = new BinaryTree <int> {
8, 5, 12, 3, 7, 10, 15
};
var initCnt = binaryTree.Count;
// act
const int remove = 10;
var isRemoved = binaryTree.Remove(remove);
// assert
Assert.IsTrue(isRemoved);
Assert.IsTrue(binaryTree.Count < initCnt);
}
