public void TestIsContrain5or6()
{
int[] arr1 = new int[] { 1, 2, 3, 4, 5 };
bool rs1 = Program2.IsContrain5or6(arr1);
Assert.AreEqual(true, rs1);
int[] arr2 = new int[] { 1, 2, 3, 4, 7 };
bool rs2 = Program2.IsContrain5or6(arr2);
Assert.AreEqual(false, rs2);
int[] arr3 = new int[] { 1, 2, 3, 4 };
bool rs3 = Program2.IsContrain5or6(arr2);
Assert.AreEqual(false, rs3);
}
