public void testCorruptedChecksum()
{
Random r = new Random();
for (int i = 0; i < 1000; i++)
{
byte[] randKey = new byte[32];
r.NextBytes(randKey);
string mn = Mnemonic.FromKey(randKey);
string[] words = mn.Split(" ");
string oldWord = words[words.Length - 1];
string newWord = oldWord;
while (oldWord.Equals(newWord))
{
newWord = Wordlist.RAW[r.Next(2 ^ 11)];
}
words[words.Length - 1] = newWord;
string corruptedMn = "";
for (int j = 0; j < words.Length; j++)
{
if (j > 0)
{
corruptedMn += " ";
}
corruptedMn += words[j];
}
var ex = Assert.Throws <ArgumentException>(() => { Mnemonic.ToKey(corruptedMn); });
Assert.AreEqual("checksum failed to validate", ex.Message);
// Assert.AreEqualThrownBy(()->Mnemonic.toKey())
//.isInstanceOf(GeneralSecurityException.class)
// .hasMessage();
}
}
public void testZeroVector()
{
byte[] zeroKeys = new byte[32];
string expectedMn = "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon invest";
string mn = Mnemonic.FromKey(zeroKeys);
Assert.AreEqual(mn, expectedMn);
byte[] goBack = Mnemonic.ToKey(mn);
Assert.AreEqual(goBack, zeroKeys);
}
public void testInvalidKeylen()
{
Random r = new Random();
int[] badLengths = new int[] { 0, 31, 33, 100, 35, 2, 30 };
foreach (int badlen in badLengths)
{
byte[] randKey = new byte[badlen];
r.NextBytes(randKey);
var ex = Assert.Throws <ArgumentException>(() => { Mnemonic.FromKey(randKey); });
Assert.AreEqual("key must not be null and the key length must be 32 bytes", ex.Message);
}
}
public void testGenerateAndRecovery()
{
Random r = new Random();
for (int i = 0; i < 1000; i++)
{
byte[] randKey = new byte[32];
r.NextBytes(randKey);
string mn = Mnemonic.FromKey(randKey);
byte[] regenKey = Mnemonic.ToKey(mn);
Assert.AreEqual(regenKey, randKey);
}
}