public void Question03ShouldRemoveDuplicateCharacters()
{
string test1 = "abcd";
Question03.RemoveDuplicateCharacters(ref test1);
string test2 = "abcdd";
Question03.RemoveDuplicateCharacters(ref test2);
string test3 = "abc d ";
Question03.RemoveDuplicateCharacters(ref test3);
string test4 = null;
Question03.RemoveDuplicateCharacters(ref test4);
string test5 = "aaaa";
Question03.RemoveDuplicateCharacters(ref test5);
string test6 = "ababab";
Question03.RemoveDuplicateCharacters(ref test6);
Assert.Equal("abcd", test1);
Assert.Equal("abcd", test2);
Assert.Equal("abc d", test3);
Assert.Null(test4);
Assert.Equal("a", test5);
Assert.Equal("ab", test6);
}
public void Question03ShouldRemoveNodeFromList()
{
var actual = new LinkedList <int>();
actual.AppendToTail(1);
actual.AppendToTail(2);
actual.AppendToTail(3);
actual.AppendToTail(4);
actual.AppendToTail(5);
var middleNode = actual.Head.Next.Next; // 3
Question03 <int> .RemoveNodeFromList(ref middleNode);
var expected = new LinkedList <int>();
expected.AppendToTail(1);
expected.AppendToTail(2);
expected.AppendToTail(4);
expected.AppendToTail(5);
Node <int> actualRunner = actual.Head;
Node <int> expectedRunner = expected.Head;
// Check each value in the lists against each other
while (actualRunner != null)
{
Assert.Equal(expectedRunner.Value, actualRunner.Value);
actualRunner = actualRunner.Next;
expectedRunner = expectedRunner.Next;
}
}
static void Main(string[] args)
{
//Question 1
//Question1 Q1 = new Question1();
//Q1.DoWork("Hello");
//Console.Read();
//Question 2
//var json = @"{""FirstName"":""David"",""LastName"":""Jones"",""Values"":[0, 1, 2]}";
//Name name = Question02.ConvertToName(json);
//Console.WriteLine(name.FirstName + " " + name.LastName);
//Question 3
string sqlConnectionString = @"Data Source=MSDBUAT01\DBServer1;Initial Catalog=euler;user id=webuser;password=perturbed;Connection Lifetime=20; persist security info=true";
List <Company> lstCompanies = (List <Company>)Question03.GetCustomers(sqlConnectionString);
lstCompanies.ForEach(c => Console.WriteLine(c.ToString()));
Console.Read();
}
public void Question03ShouldFlattenArray()
{
int[,] input = new int[3, 2];
input[0, 0] = 0;
input[0, 1] = 1;
input[1, 0] = 2;
input[1, 1] = 3;
input[2, 0] = 4;
input[2, 1] = 5;
int[] expected = new int[6]
{
0, 1, 2, 3, 4, 5
};
int[] actual = Question03.FlattenArray <int>(input);
Assert.True(Enumerable.SequenceEqual(expected, actual));
}
