public void Empty_input()
{
var sol = new IpCombinations();
var combinations = sol.RestoreIpAddresses("");
Assert.Equal(new List <string>(), combinations);
}
public void Basic()
{
var sol = new IpCombinations();
var combinations = sol.RestoreIpAddresses("25525511135");
Assert.Equal(new [] { "255.255.11.135", "255.255.111.35" }, combinations);
}
public void All_zeros()
{
var sol = new IpCombinations();
var combinations = sol.GetValidIpTriplets("0000", 4);
Assert.Equal(new[] { "0.0.0.0" }, combinations);
}
public void No_leading_zeros()
{
var sol = new IpCombinations();
var combinations = sol.GetValidIpTriplets("010010", 4);
Assert.Equal(new[] { "0.10.0.10", "0.100.1.0" }, combinations);
}
public void TwoValidTriplets_2()
{
var sol = new IpCombinations();
var combinations = sol.GetValidIpTriplets("2552", 2);
Assert.Equal(new[] { "25.52", "255.2" }, combinations);
}
public void TwoValidTriplets_1()
{
var sol = new IpCombinations();
var combinations = sol.GetValidIpTriplets("52135", 2);
Assert.Equal(new[] { "52.135" }, combinations);
}
public void TwoValidTriplets_3()
{
var sol = new IpCombinations();
var combinations = sol.GetValidIpTriplets("1135", 2);
Assert.Equal(new[] { "1.135", "11.35", "113.5" }, combinations);
}
public void OneInvalidTriplet()
{
var sol = new IpCombinations();
var combinations = sol.GetValidIpTriplets("1135", 1);
Assert.Null(combinations);
}
public void OneValidTriplet()
{
var sol = new IpCombinations();
var combinations = sol.GetValidIpTriplets("135", 1);
Assert.Equal(new[] { "135" }, combinations);
}
