public void Remove_punctuation()
{
var plaintext = "@1, 2%, 3 Go!";
var expected = "123go";
Assert.Equal(expected, CryptoSquare.NormalizedPlaintext(plaintext));
}
public void Lowercase()
{
var plaintext = "Hello";
var expected = "hello";
Assert.Equal(expected, CryptoSquare.NormalizedPlaintext(plaintext));
}
public void Empty_plaintext_results_in_an_empty_ciphertext()
{
var plaintext = "";
var expected = "";
Assert.Equal(expected, CryptoSquare.Ciphertext(plaintext));
}
public static string Encoded(string plaintext)
{
string normalized = CryptoSquare.NormalizedPlaintext(plaintext);
IEnumerable <string> segments = CryptoSquare.PlaintextSegments(normalized);
StringBuilder encodedtext = new StringBuilder();
for (int i = 0; i < segments.First().Length; i++)
{
foreach (string segment in segments)
{
if (i < segment.Length)
{
encodedtext.Append(segment[i]);
}
else
{
encodedtext.Append(' ');
}
}
if (i < segments.First().Length - 1)
{
encodedtext.Append(' ');
}
}
return(encodedtext.ToString());
}
public void Number_8_character_plaintext_results_in_3_chunks_the_last_one_with_a_trailing_space()
{
var plaintext = "Chill out.";
var expected = "clu hlt io ";
Assert.Equal(expected, CryptoSquare.Ciphertext(plaintext));
}
public void Number_54_character_plaintext_results_in_7_chunks_the_last_two_with_trailing_spaces()
{
var plaintext = "If man was meant to stay on the ground, god would have given us roots.";
var expected = "imtgdvs fearwer mayoogo anouuio ntnnlvt wttddes aohghn sseoau ";
Assert.Equal(expected, CryptoSquare.Ciphertext(plaintext));
}
public void Remove_punctuation()
{
var plaintext = "@1,%!";
var expected = "1";
Assert.Equal(expected, CryptoSquare.Ciphertext(plaintext));
}
public void Number_9_character_plaintext_results_in_3_chunks_of_3_characters()
{
var plaintext = "This is fun!";
var expected = "tsf hiu isn";
Assert.Equal(expected, CryptoSquare.Ciphertext(plaintext));
}
public void Lowercase()
{
var plaintext = "A";
var expected = "a";
Assert.Equal(expected, CryptoSquare.Ciphertext(plaintext));
}
public void Remove_spaces()
{
var plaintext = " b ";
var expected = "b";
Assert.Equal(expected, CryptoSquare.Ciphertext(plaintext));
}
public void Remove_spaces()
{
var plaintext = "Hi there";
var expected = "hithere";
Assert.Equal(expected, CryptoSquare.NormalizedPlaintext(plaintext));
}
public void Non_empty_plaintext_results_in_the_combined_plaintext_segments()
{
var plaintext = "If man was meant to stay on the ground, god would have given us roots.";
var expected = "imtgdvsfearwermayoogoanouuiontnnlvtwttddesaohghnsseoau";
Assert.Equal(expected, CryptoSquare.Encoded(plaintext));
}
public void Empty_plaintext_results_in_an_empty_encode()
{
var plaintext = "";
var expected = "";
Assert.Equal(expected, CryptoSquare.Encoded(plaintext));
}
public void Number_54_character_plaintext_results_in_an_8x7_rectangle()
{
var plaintext = "If man was meant to stay on the ground, god would have given us roots.";
var expected = new[] { "ifmanwas", "meanttos", "tayonthe", "groundgo", "dwouldha", "vegivenu", "sroots" };
Assert.Equal(expected, CryptoSquare.PlaintextSegments(plaintext));
}
public void Number_9_character_plaintext_results_in_an_3x3_rectangle()
{
var plaintext = "This is fun!";
var expected = new[] { "thi", "sis", "fun" };
Assert.Equal(expected, CryptoSquare.PlaintextSegments(plaintext));
}
public void Number_4_character_plaintext_results_in_an_2x2_rectangle()
{
var plaintext = "Ab Cd";
var expected = new[] { "ab", "cd" };
Assert.Equal(expected, CryptoSquare.PlaintextSegments(plaintext));
}
public void Empty_plaintext_results_in_an_empty_rectangle()
{
var plaintext = "";
Assert.Empty(CryptoSquare.PlaintextSegments(plaintext));
}
