public void Construct_ReturnsTheLengthOfArrayAsElementZero([NotNull] string s, int start, int length)
{
var sequence = s.AsList();
var z = ZArray.Construct(sequence, start, length, EqualityComparer <char> .Default);
Assert.AreEqual(length, z[0]);
}
public void Construct_ReturnsAnArrayOfTheSameLengthAsInput([NotNull] string s, int start, int length)
{
var sequence = s.AsList();
var z = ZArray.Construct(sequence, start, length, EqualityComparer <char> .Default);
Assert.AreEqual(z.Length, length);
}
public void Construct_DoesNothing_ForZeroLength()
{
var array = new[] { 1, 2 };
ZArray.Construct(array, 1, 0, EqualityComparer <int> .Default);
Assert.AreEqual(new[] { 1, 2 }, array);
}
public void Construct_DoesNothing_ForEmptyArray()
{
var array = new int[] { };
ZArray.Construct(array, 0, 0, EqualityComparer <int> .Default);
Assert.AreEqual(new int[] { }, array);
}
public void Construct_ReturnsAWellFormedZArray_WhenLengthIsTouched()
{
// ReSharper disable once StringLiteralTypo
var sequence = "abcaababc".AsList();
var z = ZArray.Construct(sequence, 0, sequence.Count - 1, EqualityComparer <char> .Default);
TestHelper.AssertSequence(z,
8, 0, 0, 1, 2, 0, 2, 0);
}
public void Construct_ReturnsADecreasingSequence_ForArrayOfSameChars()
{
// ReSharper disable once StringLiteralTypo
var sequence = "aaaaaaaa".AsList();
var z = ZArray.Construct(sequence, 0, sequence.Count, EqualityComparer <char> .Default);
TestHelper.AssertSequence(z,
8, 7, 6, 5, 4, 3, 2, 1);
}
public void Construct_ThrowsException_ForOutOfBounds2()
{
Assert.Throws <ArgumentOutOfRangeException>(() =>
ZArray.Construct(new[] { 1 }, 1, 1, EqualityComparer <int> .Default));
}
public void Construct_ThrowsException_ForNullComparer()
{
Assert.Throws <ArgumentNullException>(() =>
ZArray.Construct(new[] { 1 }, 0, 1, null));
}
public void Construct_ThrowsException_ForNullArray()
{
Assert.Throws <ArgumentNullException>(() =>
ZArray.Construct(null, 1, 1, EqualityComparer <int> .Default));
}
public void Construct_ThrowsException_ForNegativeStartIndex()
{
Assert.Throws <ArgumentOutOfRangeException>(() =>
ZArray.Construct(new[] { 1 }, -1, 1, EqualityComparer <int> .Default));
}