private static void AssertAutomaton(Automaton automaton)
{
var cra = new CharacterRunAutomaton(automaton);
var bra = new ByteRunAutomaton(automaton);
var ras = new RandomAcceptedStrings(automaton);
int num = AtLeast(1000);
for (int i = 0; i < num; i++)
{
string s;
if (Random.NextBoolean())
{
// likely not accepted
s = TestUtil.RandomUnicodeString(Random);
}
else
{
// will be accepted
int[] codepoints = ras.GetRandomAcceptedString(Random);
try
{
s = UnicodeUtil.NewString(codepoints, 0, codepoints.Length);
}
catch (Exception /*e*/)
{
Console.WriteLine(codepoints.Length + " codepoints:");
for (int j = 0; j < codepoints.Length; j++)
{
Console.WriteLine(" " + codepoints[j].ToString("x"));
}
throw; // LUCENENET: CA2200: Rethrow to preserve stack details (https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2200-rethrow-to-preserve-stack-details)
}
}
var bytes = s.GetBytes(Encoding.UTF8);
Assert.AreEqual(cra.Run(s), bra.Run(bytes, 0, bytes.Length));
}
}
public virtual void TestGetRandomAcceptedString()
{
int ITER1 = AtLeast(100);
int ITER2 = AtLeast(100);
for (int i = 0; i < ITER1; i++)
{
RegExp re = new RegExp(AutomatonTestUtil.RandomRegexp(Random), RegExpSyntax.NONE);
Automaton a = re.ToAutomaton();
Assert.IsFalse(BasicOperations.IsEmpty(a));
RandomAcceptedStrings rx = new RandomAcceptedStrings(a);
for (int j = 0; j < ITER2; j++)
{
int[] acc = null;
try
{
acc = rx.GetRandomAcceptedString(Random);
string s = UnicodeUtil.NewString(acc, 0, acc.Length);
Assert.IsTrue(BasicOperations.Run(a, s));
}
catch (Exception /*t*/)
{
Console.WriteLine("regexp: " + re);
if (acc != null)
{
Console.WriteLine("fail acc re=" + re + " count=" + acc.Length);
for (int k = 0; k < acc.Length; k++)
{
Console.WriteLine(" " + acc[k].ToString("x"));
}
}
throw; // LUCENENET: CA2200: Rethrow to preserve stack details (https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2200-rethrow-to-preserve-stack-details)
}
}
}
}