public void Find_GivenAKeyThatIsInTheSkiplist_ShouldReturnTrue
(Skiplist <int> sut, List <int> keys)
{
// Fixture setup
var key = keys.First();
// Exercise system
var result = sut.Find(key);
// Verify outcome
var failureString =
String.Format(
"Failed to find key {0} in skiplist \n\n {1}",
key,
sut);
Assert.True(result, failureString);
// Teardown
}
public void Find_GivenAKeyThatIsNotInTheSkiplist_ShouldReturnFalse
(Skiplist <int> sut, List <int> keys)
{
// Fixture setup
var missingKeys = Enumerable.Range(keys.Min(), keys.Max()).Except(keys).ToList();
var missingKey = missingKeys[new Random().Next(missingKeys.Count())];
// Exercise system
var result = sut.Find(missingKey);
// Verify outcome
var failureString =
String.Format(
"Found key {0} that should be missing from skiplist \n\n {1}",
missingKey,
sut);
Assert.False(result, failureString);
// Teardown
}
public void Find_GivenACustomOrdererWhichConsidersManyKeysEqual_ShouldStillReturnTrueIfAnElementSatisfyingItsEqualityComparerExists
(Skiplist <int> sut, List <int> keys)
{
// Fixture setup
sut.InOrder = (keyA, keyB, keyC) => true;
var key = keys.First();
// Exercise system
var result = sut.Find(key);
// Verify outcome
var failureString =
String.Format(
"Failed to find key {0} in skiplist \n\n {1}",
key,
sut);
Assert.True(result, failureString);
// Teardown
}
public void Find_GivenACustomOrdererWhichConsidersManyKeysEqual_ShouldStillReturnFalseIfNoElementSatisfyingItsEqualityComparerExists
(Skiplist <int> sut, List <int> keys)
{
// Fixture setup
sut.InOrder = (keyA, keyB, keyC) => true;
var missingKeys = Enumerable.Range(keys.Min(), keys.Max()).Except(keys).ToList();
var missingKey = missingKeys[new Random().Next(missingKeys.Count())];
// Exercise system
var result = sut.Find(missingKey);
// Verify outcome
var failureString =
String.Format(
"Found key {0} that should be missing from skiplist \n\n {1}",
missingKey,
sut);
Assert.False(result, failureString);
// Teardown
}