public void RoundRobin_ShouldReturnTheOnlyEntryMultipleTimes()
{
const string theOnlyOne = "theOnlyOne";
var sut = new RoundRobin <string>();
sut.Add(theOnlyOne);
Assert.Equal(theOnlyOne, sut.Get());
Assert.Equal(theOnlyOne, sut.Get());
Assert.Equal(theOnlyOne, sut.Get());
Assert.Equal(theOnlyOne, sut.Get());
}
public void RoundRobin_ShouldReturnEntriesInOrder()
{
const string firstEntry = "entry1";
const string secondEntry = "entry2";
const string thirdEntry = "entry3";
var sut = new RoundRobin <string> {
firstEntry, secondEntry, thirdEntry
};
Assert.Equal(firstEntry, sut.Get());
Assert.Equal(secondEntry, sut.Get());
Assert.Equal(thirdEntry, sut.Get());
}
public void RoundRobin_ShouldReturnEntriesAddedAfterInitialisation()
{
const string firstEntry = "entry1";
const string secondEntry = "entry2";
const string thirdEntry = "entry3";
var sut = new RoundRobin <string> {
firstEntry, secondEntry
};
Assert.Equal(firstEntry, sut.Get());
Assert.Equal(secondEntry, sut.Get());
sut.Add(thirdEntry);
Assert.Equal(thirdEntry, sut.Get());
}
public void RoundRobin_ShouldReturnNextEntryWhenLastReturnedRemovedByUpdate()
{
const string firstEntry = "entry1";
const string secondEntry = "entry2";
const string thirdEntry = "entry3";
var sut = new RoundRobin <string> {
firstEntry, secondEntry, thirdEntry
};
Assert.Equal(firstEntry, sut.Get());
Assert.Equal(secondEntry, sut.Get());
sut.Update(new [] { firstEntry, thirdEntry });
Assert.Equal(thirdEntry, sut.Get());
}
public void RoundRobin_ShouldReturnNextEntryWhenAnyPreviousRemoved()
{
const string firstEntry = "entry1";
const string secondEntry = "entry2";
const string thirdEntry = "entry3";
var sut = new RoundRobin <string> {
firstEntry, secondEntry, thirdEntry
};
Assert.Equal(firstEntry, sut.Get());
Assert.Equal(secondEntry, sut.Get());
sut.Remove(firstEntry);
Assert.Equal(thirdEntry, sut.Get());
}
public void RoundRobinOfReferenceType_ShouldReturnNull_WhenEmpty()
{
var sut = new RoundRobin <string>();
var result = sut.Get();
Assert.Null(result);
}
public void RoundRobinOfValueType_ShouldReturnDefault_WhenEmpty()
{
var sut = new RoundRobin <int>();
var result = sut.Get();
Assert.Equal(0, result);
}
public void RoundRobin_ShouldReturnEntriesWhenUpdateChangesNothing()
{
const string firstEntry = "entry1";
const string secondEntry = "entry2";
const string thirdEntry = "entry3";
var sut = new RoundRobin <string> {
firstEntry, secondEntry, thirdEntry
};
Assert.Equal(firstEntry, sut.Get());
Assert.Equal(secondEntry, sut.Get());
sut.Update(new[] {
firstEntry, secondEntry, thirdEntry
});
Assert.Equal(thirdEntry, sut.Get());
}
public void RoundRobin_ShouldReturnTheOnlyEntry()
{
const string theOnlyOne = "theOnlyOne";
var sut = new RoundRobin <string>();
sut.Add(theOnlyOne);
var result = sut.Get();
Assert.Equal(theOnlyOne, result);
}
public void RoundRobin_ShouldReturnNextWhenNotExistingEntryRemoved()
{
const string firstEntry = "entry1";
const string secondEntry = "entry2";
const string notExistingEntry = "fakeEntry";
var sut = new RoundRobin <string> {
firstEntry, secondEntry
};
sut.Remove(notExistingEntry);
Assert.Equal(firstEntry, sut.Get());
}
public void RoundRobin_ShouldReturnDefaultWhenCleared()
{
const string firstEntry = "entry1";
const string secondEntry = "entry2";
const string thirdEntry = "entry3";
var sut = new RoundRobin <string> {
firstEntry, secondEntry, thirdEntry
};
sut.Clear();
Assert.Null(sut.Get());
}
public void RoundRobin_ShouldReturnDefaultWhenAllEntriesRemoved()
{
const string firstEntry = "entry1";
const string secondEntry = "entry2";
const string thirdEntry = "entry3";
var sut = new RoundRobin <string> {
firstEntry, secondEntry, thirdEntry
};
sut.Remove(firstEntry);
sut.Remove(secondEntry);
sut.Remove(thirdEntry);
Assert.Null(sut.Get());
}