public void MyTestMethod2()
{
var target = new MissingNaturalNumber();
var arr = new int[] { 4, 2, 1, 3 };
target.SortNaturalNumbers(arr, 0, arr.Length - 1);
CollectionAssert.AreEqual(Enumerable.Range(1, 4).ToArray(), arr);
arr = new int[] { 4, 2, 1, 3, 5, 7, 6 };
target.SortNaturalNumbers(arr, 0, arr.Length - 1);
CollectionAssert.AreEqual(Enumerable.Range(1, 7).ToArray(), arr);
arr = new int[] { 1 };
target.SortNaturalNumbers(arr, 0, arr.Length - 1);
CollectionAssert.AreEqual(Enumerable.Range(1, 1).ToArray(), arr);
arr = new int[] { };
target.SortNaturalNumbers(arr, 0, arr.Length - 1);
CollectionAssert.AreEqual(new int[] { }, arr);
arr = new int[] { 1, 2 };
target.SortNaturalNumbers(arr, 0, arr.Length - 1);
CollectionAssert.AreEqual(Enumerable.Range(1, 2).ToArray(), arr);
}
public void MyTestMethod()
{
var target = new MissingNaturalNumber();
Assert.AreEqual(6, target.FindMissing(
Enumerable.Range(10, 3)
.Union(Enumerable.Range(1, 3))
.Union(Enumerable.Range(100, 10))
.Union(Enumerable.Range(4, 2))
.ToArray()));
Assert.AreEqual(6, target.FindMissing(
Enumerable.Range(100, 3)
.Union(Enumerable.Range(90, 3))
.Union(Enumerable.Range(80, 10))
.Union(Enumerable.Range(1, 5))
.ToArray()));
// passed
Assert.AreEqual(4, target.FindMissing(
Enumerable.Range(10, 3).Union(Enumerable.Range(1, 3)).ToArray()));
Assert.AreEqual(11, target.FindMissing(
Enumerable.Range(12, 10).Union(Enumerable.Range(1, 10)).ToArray()));
Assert.AreEqual(11, target.FindMissing(
Enumerable.Range(1, 10).Union(Enumerable.Range(12, 20)).ToArray()));
Assert.AreEqual(4, target.FindMissing(
Enumerable.Range(1, 3).Union(Enumerable.Range(10, 3)).ToArray()));
}