public void TestMethod1()
{
NumberClass input = new NumberClass(917);
var result = input.NextSmaller();
var expect = 791;
Assert.AreEqual(expect, result);
}
public void TestMethod3()
{
NumberClass input = new NumberClass(59884848483559);
var result = input.NextSmaller();
var expect = 59884848459853;
Assert.AreEqual(expect, result);
}
public void TestMethod4()
{
NumberClass input = new NumberClass(29009);
var result = input.NextSmaller();
var expect = 20990;
Assert.AreEqual(expect, result);
}
public void TestMethod2()
{
NumberClass input = new NumberClass(123456798);
var result = input.NextSmaller();
var expect = 123456789;
Assert.AreEqual(expect, result);
}