public void EmptySequence()
{
List <int> numbers = new List <int>();
var longestSequenceOfEqualNumbers =
LongestSubsequenceOfEqualNumbers.GetLongestSubsequenceOfEqualNumbers(numbers);
Assert.AreEqual(0, longestSequenceOfEqualNumbers.Count);
}
public void TestIfMethodSubsequenceOfEqualNumbersReturnsCorrectListIfSequenceIsEmpty()
{
var testSequence = new List <int>();
var expectedResult = new List <int>();
var someObject = new LongestSubsequenceOfEqualNumbers();
CollectionAssert.AreEqual(expectedResult, someObject.SubsequenceOfEqualNumbers(testSequence));
}
public void SequenceWithOneInteger()
{
List <int> numbers = new List <int>()
{
157
};
var longestSequenceOfEqualNumbers =
LongestSubsequenceOfEqualNumbers.GetLongestSubsequenceOfEqualNumbers(numbers);
Assert.AreEqual(1, longestSequenceOfEqualNumbers.Count);
Assert.AreEqual(157, longestSequenceOfEqualNumbers[0]);
}
public void TwoLongestSequences() //must return first
{
List <int> numbers = new List <int>()
{
1, 2, 3, 5, 5, 5, 6, 6, 6, 3, 2, 1
};
var longestSequenceOfEqualNumbers =
LongestSubsequenceOfEqualNumbers.GetLongestSubsequenceOfEqualNumbers(numbers);
Assert.AreEqual(3, longestSequenceOfEqualNumbers.Count);
Assert.AreEqual(5, longestSequenceOfEqualNumbers[0]);
Assert.AreEqual(5, longestSequenceOfEqualNumbers[1]);
Assert.AreEqual(5, longestSequenceOfEqualNumbers[2]);
}
public void LongestSequenceInTheMiddle()
{
List <int> numbers = new List <int>()
{
1, 2, 3, 4, 4, 4, 1, 2, 3, 4, 4, 1, 1, 4
};
var longestSequenceOfEqualNumbers =
LongestSubsequenceOfEqualNumbers.GetLongestSubsequenceOfEqualNumbers(numbers);
Assert.AreEqual(3, longestSequenceOfEqualNumbers.Count);
Assert.AreEqual(4, longestSequenceOfEqualNumbers[0]);
Assert.AreEqual(4, longestSequenceOfEqualNumbers[1]);
Assert.AreEqual(4, longestSequenceOfEqualNumbers[2]);
}
public void TestIfMethodSubsequenceOfEqualNumbersReturnsFirstElementIfThereIsNoSubsequenceOfEqualNumbers()
{
var testSequence = new List <int>()
{
-1, 1, 2, 3, 0, 4, 77, 85, 2, 55, 32, 0, 3
};
var expectedResult = new List <int>()
{
-1
};
var someObject = new LongestSubsequenceOfEqualNumbers();
CollectionAssert.AreEqual(expectedResult, someObject.SubsequenceOfEqualNumbers(testSequence));
}
public void TestIfMethodSubsequenceOfEqualNumbersReturnsCorrectListIfSequenceIsAtTheBeginning()
{
var testSequence = new List <int>()
{
2, 2, 2, 2, 1, 4, 4, 2, 3, 4, 4, 4, 4
};
var expectedResult = new List <int>()
{
2, 2, 2, 2
};
var someObject = new LongestSubsequenceOfEqualNumbers();
CollectionAssert.AreEqual(expectedResult, someObject.SubsequenceOfEqualNumbers(testSequence));
}
public void LongestSequenceInTheEnd()
{
List <int> numbers = new List <int>()
{
1, 2, 2, 2, 3, 3, 4, 3, 3, 3, 3, 3
};
var longestSequenceOfEqualNumbers =
LongestSubsequenceOfEqualNumbers.GetLongestSubsequenceOfEqualNumbers(numbers);
Assert.AreEqual(5, longestSequenceOfEqualNumbers.Count);
Assert.AreEqual(3, longestSequenceOfEqualNumbers[0]);
Assert.AreEqual(3, longestSequenceOfEqualNumbers[1]);
Assert.AreEqual(3, longestSequenceOfEqualNumbers[2]);
Assert.AreEqual(3, longestSequenceOfEqualNumbers[3]);
Assert.AreEqual(3, longestSequenceOfEqualNumbers[4]);
}
public void NullSequence()
{
LongestSubsequenceOfEqualNumbers.GetLongestSubsequenceOfEqualNumbers(null);
}
