public void AddIfNotContainsKey()
{
// Type
var @this = new Dictionary<string, string>();
// Examples
@this.AddIfNotContainsKey("Fizz", "FizzBuzz"); // Add "FizzBuzz";
@this.AddIfNotContainsKey("Fizz", () => "Buzz"); // Add Nothing;
// Unit Test
Assert.AreEqual("FizzBuzz", @this["Fizz"]);
}
public void AddIfNotContainsKeyTestCase2()
{
var key = RandomValueEx.GetRandomString();
var dic = new Dictionary<String, String>();
var result = dic.AddIfNotContainsKey( key, () => RandomValueEx.GetRandomString() );
Assert.IsTrue( result );
Assert.AreEqual( 1, dic.Count );
result = dic.AddIfNotContainsKey( key, () => RandomValueEx.GetRandomString() );
Assert.IsFalse( false );
Assert.AreEqual( 1, dic.Count );
}
static int Fravik(int[] a)
{
Dictionary<int, int> t = new Dictionary<int, int>();
foreach (int n in a)
{
t.AddIfNotContainsKey(n, 1, 1);
}
return (from n in t
where n.Value != 1
select n).ToArray()[0].Key;
}
