public void Should_GenNext()
{
var lexorank = LexoRank.Min();
var nextLexorank = lexorank.GenNext();
lexorank.CompareTo(nextLexorank).ShouldBe(-1);
}
public void Should_InPrevBucket()
{
var lexorank = LexoRank.Min();
var lexorank1 = lexorank.InPrevBucket();
lexorank.Format().Contains("0|").ShouldBeTrue();
lexorank1.Format().Contains("2|").ShouldBeTrue();
}
public void Should_Between()
{
var lexorank = LexoRank.Min();
var lexorank1 = lexorank.GenNext();
var between = lexorank.Between(lexorank1);
lexorank.CompareTo(between).ShouldBeLessThan(0);
lexorank1.CompareTo(between).ShouldBeGreaterThan(0);
}
public void Should_Between_MinMax()
{
var minRank = LexoRank.Min();
var maxRank = LexoRank.Max();
var between = minRank.Between(maxRank);
between.ToString().ShouldBe("0|hzzzzz:");
minRank.CompareTo(between).ShouldBeLessThan(0);
maxRank.CompareTo(between).ShouldBeGreaterThan(0);
}
public void Should_Between_MinGenNext()
{
var minRank = LexoRank.Min();
var nextRank = minRank.GenNext();
var between = minRank.Between(nextRank);
between.ToString().ShouldBe("0|0i0000:");
minRank.CompareTo(between).ShouldBeLessThan(0);
nextRank.CompareTo(between).ShouldBeGreaterThan(0);
}
public void Should_Create_Million_Instances()
{
var cursorLexoRank = LexoRank.Min();
var items = new List <LexoRank> {
cursorLexoRank
};
for (var i = 0; i < 1000000; i++)
{
cursorLexoRank = cursorLexoRank.GenNext();
items.Add(cursorLexoRank);
}
items.Count.ShouldBe(1000001);
}
public void Should_Between_Middle()
{
// Arrange
var minRank = LexoRank.Min();
var maxRank = LexoRank.Max();
// Act
var middleRank = LexoRank.Middle();
var prevMiddleRank = middleRank.GenPrev();
var nextMiddleRank = middleRank.GenNext();
// Assert
middleRank.ToString().ShouldBe("0|hzzzzz:");
minRank.CompareTo(middleRank).ShouldBeLessThan(0);
maxRank.CompareTo(middleRank).ShouldBeGreaterThan(0);
prevMiddleRank.CompareTo(middleRank).ShouldBeLessThan(0);
nextMiddleRank.CompareTo(middleRank).ShouldBeGreaterThan(0);
}
public void Should_Correct_OrderBy_Value()
{
var cursorLexoRank = LexoRank.Min();
var items = new List <LexoRank> {
cursorLexoRank
};
for (var i = 0; i < 100000; i++)
{
cursorLexoRank = cursorLexoRank.GenNext();
items.Add(cursorLexoRank);
}
var originItems = items.Select(x => x.Format()).ToList();
var sortItems = originItems.ToList();
sortItems.Shuffle();
sortItems = sortItems.OrderBy(x => x).ToList();
originItems.SequenceEqual(sortItems).ShouldBeTrue();
}
public void Should_Between_MoveTo(int prevStep, int nextStep, string expected)
{
// Arrange
var prevRank = LexoRank.Min();
for (var i = 0; i < prevStep; i++)
{
prevRank = prevRank.GenNext();
}
var nextRank = LexoRank.Min();
for (var i = 0; i < nextStep; i++)
{
nextRank = nextRank.GenNext();
}
// Act
var between = prevRank.Between(nextRank);
// Assert
between.ToString().ShouldBe(expected);
}
public void Should_IsMin()
{
var lexorank = LexoRank.Min();
lexorank.IsMin().ShouldBeTrue();
}