public void ConvertString_Unicode()
{
var urlShortener = new UrlShortener("☔☕☀☂♣♠☁");
var value = urlShortener.Convert("☔☁☕");
Trace.WriteLine(value);
Assert.AreEqual(43, value.DecimalValue);
value = urlShortener.Convert(long.MaxValue);
Trace.WriteLine(value);
}
public void ConvertString_Overflow()
{
var urlShortener = new UrlShortener(Enumerable.Range(0, 254).Select(x => (char)x));
Assert.AreEqual(254, urlShortener.Base);
var value = urlShortener.Convert(" ");
Assert.AreEqual(32, value.DecimalValue);
Trace.WriteLine(value);
urlShortener.Convert("Lucy in the sky with diamonds");
}
public void ConvertString_0()
{
var urlShortener = new UrlShortener("abBA");
var value = urlShortener.Convert("a");
Trace.WriteLine(value);
Assert.AreEqual(0, value.DecimalValue);
}
public void ConvertString_Base10()
{
var urlShortener = new UrlShortener(10);
var value = urlShortener.Convert("123");
Trace.WriteLine(value);
Assert.AreEqual(123, value.DecimalValue);
}
public void ConvertString_Confuse()
{
var urlShortener = new UrlShortener("9876543210");
var value = urlShortener.Convert("123");
Trace.WriteLine(value);
Assert.AreEqual(876, value.DecimalValue);
}
public void ConvertString_Max()
{
var urlShortener = new UrlShortener(16);
Assert.AreEqual(16, urlShortener.Base);
var value = urlShortener.Convert(long.MaxValue);
Trace.WriteLine(value);
}
public void Convert_BackAndForth()
{
var chars = "AbBC";
var urlShortener = new UrlShortener(chars);
Assert.AreEqual(chars.Length, urlShortener.Base);
long[] values = { 0, 992, 129, -126, 90909090, -90, -0, 11234, -11, 22, int.MaxValue * 10000000L, long.MaxValue };
foreach (long i in values)
{
var value = urlShortener.Convert(i);
var value2 = urlShortener.Convert(value.BaseValue);
Trace.WriteLine($"{i}: {value} | {value2}");
Assert.AreEqual(i, value2.DecimalValue);
}
}
public void ConvertString_Ascii()
{
var urlShortener = new UrlShortener(Enumerable.Range(0, 256).Select(x => (char)x));
Assert.AreEqual(256, urlShortener.Base);
var value = urlShortener.Convert("Nothing");
Trace.WriteLine(value);
Assert.AreEqual(22077593942060647, value.DecimalValue);
value = urlShortener.Convert("Hello Dolly");
Trace.WriteLine(value);
Assert.AreEqual(7813499356810341497, value.DecimalValue);
value = urlShortener.Convert(long.MaxValue);
Trace.WriteLine(value);
}
public void ConvertString_Negative()
{
var urlShortener = new UrlShortener(16);
Assert.AreEqual(16, urlShortener.Base);
var value = urlShortener.Convert("-7E");
Trace.WriteLine(value);
Assert.AreEqual(-0x7E, value.DecimalValue);
Assert.AreEqual("-7E", value.BaseValue);
}
public void ConvertDecimal_Negative()
{
var urlShortener = new UrlShortener("XY");
Assert.AreEqual(2, urlShortener.Base);
var value = urlShortener.Convert(-45);
Trace.WriteLine(value);
Assert.AreEqual(-45, value.DecimalValue);
Assert.AreEqual("-YXYYXY", value.BaseValue);
}
public void ConvertDecimal_0()
{
var urlShortener = new UrlShortener("XY");
Assert.AreEqual(2, urlShortener.Base);
var value = urlShortener.Convert(0);
Trace.WriteLine(value);
Assert.AreEqual(0, value.DecimalValue);
Assert.AreEqual("X", value.BaseValue);
}
public void ConvertDecimal_Binary()
{
var urlShortener = new UrlShortener("01");
Assert.AreEqual(2, urlShortener.Base);
var value = urlShortener.Convert(45);
Trace.WriteLine(value);
Assert.AreEqual(45, value.DecimalValue);
Assert.AreEqual("101101", value.BaseValue);
}
public void ConvertDecimal()
{
var urlShortener = new UrlShortener(16);
Assert.AreEqual(16, urlShortener.Base);
var value = urlShortener.Convert(0x7E);
Trace.WriteLine(value);
Assert.AreEqual(0x7E, value.DecimalValue);
Assert.AreEqual("7E", value.BaseValue);
}
public void ConvertString_AlphaNumeric()
{
var list = new List <char>();
list.AddRange(" abcdefghijklmnopqrstuvwxyz".ToUpperInvariant().ToCharArray());
list.AddRange("abcdefghijklmnopqrstuvwxyz".ToCharArray());
list.AddRange("0123456789".ToCharArray());
var urlShortener = new UrlShortener(list);
var value = urlShortener.Convert("Hello Dolly");
Trace.WriteLine(value);
Assert.AreEqual(8373672738368257056, value.DecimalValue);
}
public void ConvertString_Empty()
{
var urlShortener = new UrlShortener("0123456789ABCDEF");
urlShortener.Convert("");
}
public void ConvertString_Bad()
{
var urlShortener = new UrlShortener(10);
Trace.WriteLine(urlShortener.Convert("k11"));
}