public void RemoveReturnsFalseIfSetDoesNotContainItem()
{
var set = new CountedSet <string>();
bool result = set.Remove("foo");
Assert.IsFalse(result);
}
public void IfItemIsAddedToSetOnceRemoveCompletelyRemovesItem()
{
var set = new CountedSet <string>();
set.Add("foo");
set.Remove("foo");
Assert.IsFalse(set.Contains("foo"));
}
public void IfItemIsAddedToSetMultipleTimesRemoveDoesNotCompletelyRemoveItem()
{
var set = new CountedSet <string>();
set.Add("foo");
set.Add("foo");
set.Remove("foo");
Assert.IsTrue(set.Contains("foo"));
}
public void IfItemIsAddedToSetMutlipleTimesItMustBeRemovedAnEqualNumberOfTimes()
{
bool firstCheck = false;
bool secondCheck = false;
bool thirdCheck = false;
var set = new CountedSet <string>();
set.Add("foo");
set.Add("foo");
set.Add("foo");
set.Remove("foo");
firstCheck = set.Contains("foo");
set.Remove("foo");
secondCheck = set.Contains("foo");
set.Remove("foo");
thirdCheck = set.Contains("foo");
Assert.IsTrue(firstCheck);
Assert.IsTrue(secondCheck);
Assert.IsFalse(thirdCheck);
}
public void IfItemIsAddedToSetMultipleTimesRemoveReducesCountByOne()
{
int firstCount = 0;
int secondCount = 0;
var set = new CountedSet <string>();
set.Add("foo");
set.Add("foo");
set.TryGetCount("foo", out firstCount);
set.Remove("foo");
set.TryGetCount("foo", out secondCount);
Assert.AreEqual(2, firstCount);
Assert.AreEqual(1, secondCount);
}
