public void LengthBounds()
{
var lengthDist1 = StringDistribution.Any(minLength: 1, maxLength: 3);
Assert.True(lengthDist1.IsProper());
StringInferenceTestUtilities.TestProbability(lengthDist1, StringInferenceTestUtilities.StringUniformProbability(1, 3, 65536), "a", "aa", "aaa");
StringInferenceTestUtilities.TestProbability(lengthDist1, 0.0, string.Empty, "aaaa");
var lengthDist2 = StringDistribution.Repeat(DiscreteChar.OneOf('a', 'b'), minTimes: 1, maxTimes: 3);
Assert.True(lengthDist2.IsProper());
StringInferenceTestUtilities.TestProbability(lengthDist2, StringInferenceTestUtilities.StringUniformProbability(1, 3, 2), "a", "ab", "aba");
StringInferenceTestUtilities.TestProbability(lengthDist2, 0.0, string.Empty, "aaaa", "abab", "cc");
var lengthDist3 = StringDistribution.Repeat(DiscreteChar.OneOf('a', 'b'), minTimes: 2, maxTimes: 2);
Assert.True(lengthDist3.IsProper());
StringInferenceTestUtilities.TestProbability(lengthDist3, StringInferenceTestUtilities.StringUniformProbability(2, 2, 2), "aa", "ab", "ba", "bb");
StringInferenceTestUtilities.TestProbability(lengthDist3, 0.0, string.Empty, "a", "abab", "cc");
var minLengthDist = StringDistribution.Any(minLength: 2);
Assert.False(minLengthDist.IsProper());
StringInferenceTestUtilities.TestProbability(minLengthDist, 1.0, "aa", "123", "@*(@*&(@)");
StringInferenceTestUtilities.TestProbability(minLengthDist, 0.0, string.Empty, "a", "!");
var maxLengthDist = StringDistribution.ZeroOrMore(DiscreteChar.Digit(), maxTimes: 3);
Assert.True(maxLengthDist.IsProper());
StringInferenceTestUtilities.TestProbability(maxLengthDist, StringInferenceTestUtilities.StringUniformProbability(0, 3, 10), string.Empty, "1", "32", "432");
StringInferenceTestUtilities.TestProbability(maxLengthDist, 0.0, "abc", "1234");
}
public void Repeat1()
{
var dist = StringDistribution.Repeat(StringDistribution.OneOf("ab", "cd"), minTimes: 1, maxTimes: 3);
Assert.True(dist.IsProper());
StringInferenceTestUtilities.TestProbability(dist, StringInferenceTestUtilities.StringUniformProbability(1, 3, 2), "ab", "cd", "abab", "abcd", "cdabcd", "cdcdcd");
}
public void Repeat4()
{
var dist = StringDistribution.Repeat(StringDistribution.OneOf("ab", "cd", "ef", "gh"), minTimes: 0, maxTimes: 3);
Assert.True(dist.IsProper());
StringInferenceTestUtilities.TestProbability(dist, StringInferenceTestUtilities.StringUniformProbability(0, 3, 4),
"", "ab", "cd", "ef", "gh", "abab", "abcd", "cdef", "cdgh", "ghef", "cdabcd", "cdcdcd", "abcdef", "ghefcd");
}
public void Upper()
{
int uppercaseCharacterCount = DiscreteChar.Upper().GetProbs().Count(p => p > 0);
var uppercaseAutomaton1 = StringDistribution.Upper(minLength: 1, maxLength: 2);
Assert.True(uppercaseAutomaton1.IsProper());
StringInferenceTestUtilities.TestProbability(uppercaseAutomaton1, StringInferenceTestUtilities.StringUniformProbability(1, 2, uppercaseCharacterCount), "A", "BC");
StringInferenceTestUtilities.TestProbability(uppercaseAutomaton1, 0.0, "ABC", "bc", "a", string.Empty);
var uppercaseAutomaton2 = StringDistribution.Upper(minLength: 2);
Assert.False(uppercaseAutomaton2.IsProper());
StringInferenceTestUtilities.TestProbability(uppercaseAutomaton2, 1.0, "BC", "HFJLHFLJN");
StringInferenceTestUtilities.TestProbability(uppercaseAutomaton2, 0.0, "A", "bc", "JDFJjjlkJ", string.Empty);
}
public void Lower()
{
int lowercaseCharacterCount = DiscreteChar.Lower().GetProbs().Count(p => p > 0);
var lowercaseAutomaton1 = StringDistribution.Lower(minLength: 1, maxLength: 2);
Assert.True(lowercaseAutomaton1.IsProper());
StringInferenceTestUtilities.TestProbability(lowercaseAutomaton1, StringInferenceTestUtilities.StringUniformProbability(1, 2, lowercaseCharacterCount), "a", "bc");
StringInferenceTestUtilities.TestProbability(lowercaseAutomaton1, 0.0, "abc", "BC", "A", string.Empty);
var lowercaseAutomaton2 = StringDistribution.Lower(minLength: 2);
Assert.False(lowercaseAutomaton2.IsProper());
StringInferenceTestUtilities.TestProbability(lowercaseAutomaton2, 1.0, "bc", "abvhrbfijbr");
StringInferenceTestUtilities.TestProbability(lowercaseAutomaton2, 0.0, "a", "BC", "adasdADNdej", string.Empty);
}
public void Capitalized()
{
int lowercaseCharacterCount = DiscreteChar.Lower().GetProbs().Count(p => p > 0);
int uppercaseCharacterCount = DiscreteChar.Upper().GetProbs().Count(p => p > 0);
var capitalizedAutomaton1 = StringDistribution.Capitalized(minLength: 3, maxLength: 5);
Assert.True(capitalizedAutomaton1.IsProper());
StringInferenceTestUtilities.TestProbability(
capitalizedAutomaton1,
StringInferenceTestUtilities.StringUniformProbability(2, 4, lowercaseCharacterCount) / uppercaseCharacterCount,
"Abc",
"Bcde",
"Abcde");
StringInferenceTestUtilities.TestProbability(capitalizedAutomaton1, 0.0, "A", "abc", "Ab", "Abcdef", string.Empty);
var capitalizedAutomaton2 = StringDistribution.Capitalized(minLength: 3);
Assert.False(capitalizedAutomaton2.IsProper());
StringInferenceTestUtilities.TestProbability(capitalizedAutomaton2, 1.0, "Abc", "Bcde", "Abcde", "Abfjrhfjlrl");
StringInferenceTestUtilities.TestProbability(capitalizedAutomaton2, 0.0, "A", "abc", "Ab", string.Empty);
}