public void ByAmount()
{
var amount = 42.42M;
foreach (var by in Gen.Random.Numbers.Decimals(0.001M, 1000M).ToEnumerable().Take(100))
{
var result = Gen.Change(amount).By(by).Amount();
Console.WriteLine("{0} ±{1} -> {2}", amount, by, result);
Assert.InRange(result, amount - by, amount + by);
}
}
public void ByMonthsIsInRange()
{
var date = DateTimeOffset.Now;
foreach (var by in Gen.Random.Numbers.Integers(min: 1).ToEnumerable().Take(100))
{
var result = Gen.Change(date).By(by).Months();
Console.WriteLine("{0} ±{1} -> {2}", date, by, result);
Assert.InRange(result, date.AddMonths(by * -1), date.AddMonths(by));
}
}
public void BePercent()
{
var amount = 42.42;
foreach (var by in Gen.Random.Numbers.Doubles(0.001, 1000.0).ToEnumerable().Take(100))
{
var result = Gen.Change(amount).By(by).Percent();
Console.WriteLine("{0} ±{1}% -> {2}", amount, by, result);
Assert.InRange(result, amount - (amount * by / 100.0), amount + (amount * by / 100.0));
}
}
public void ByTimeSpanIsInRange()
{
var date = DateTimeOffset.Now;
foreach (var by in Gen.Random.Numbers.Integers(min: 1).ToEnumerable().Take(100))
{
var span = TimeSpan.FromMinutes(by);
var result = Gen.Change(date).By(span);
Console.WriteLine("{0} ±{1} -> {2}", date, span, result);
Assert.InRange(result, date.AddMinutes(by * -1), date.AddMinutes(by));
}
}
