public void BoolValuesShouldBeReturnedInCycle(int length)
{
// Arrange
var random = new DeterministicRandom(length);
// Act
var cycle1 = Enumerable.Range(1, length).Select(i => random.NextBool()).ToArray();
var cycle2 = Enumerable.Range(1, length).Select(i => random.NextBool()).ToArray();
var cycle3 = Enumerable.Range(1, length).Select(i => random.NextBool()).ToArray();
// Assert
CollectionAssert.AreEqual(cycle1, cycle2);
CollectionAssert.AreEqual(cycle2, cycle3);
}
public void IntegerValuesShouldBeReturnedInCycle(int length)
{
// Arrange
var random = new DeterministicRandom(length);
// Act
var cycle1 = Enumerable.Range(1, length).Select(i => random.NextInt()).ToArray();
var cycle2 = Enumerable.Range(1, length).Select(i => random.NextInt()).ToArray();
var cycle3 = Enumerable.Range(1, length).Select(i => random.NextInt()).ToArray();
// Assert
CollectionAssert.AreEqual(cycle1, cycle2);
CollectionAssert.AreEqual(cycle2, cycle3);
}
public void InitializedWithStringShouldWorkAsExpected(string bits)
{
// Arrange
var length = bits.Length;
var random = new DeterministicRandom(bits);
// Act
var cycle1 = Enumerable.Range(1, length).Select(i => random.NextBool()).ToArray();
var cycle2 = Enumerable.Range(1, length).Select(i => random.NextBool()).ToArray();
var cycle3 = Enumerable.Range(1, length).Select(i => random.NextBool()).ToArray();
// Assert
CollectionAssert.AreEqual(cycle1, cycle2);
CollectionAssert.AreEqual(cycle2, cycle3);
for (var i = 0; i < length; ++i)
{
var bit = bits[i] == '1';
Assert.AreEqual(bit, cycle1[i]);
}
}
public void InitializedWithStringShouldWorkAsExpected(string bits)
{
// Arrange
var length = bits.Length;
var random = new DeterministicRandom(bits);
// Act
var cycle1 = Enumerable.Range(1, length).Select(i => random.NextBool()).ToArray();
var cycle2 = Enumerable.Range(1, length).Select(i => random.NextBool()).ToArray();
var cycle3 = Enumerable.Range(1, length).Select(i => random.NextBool()).ToArray();
// Assert
CollectionAssert.AreEqual(cycle1, cycle2);
CollectionAssert.AreEqual(cycle2, cycle3);
for (var i = 0; i < length; ++i)
{
var bit = bits[i] == '1';
Assert.AreEqual(bit, cycle1[i]);
}
}
public void InitializedRandomlyAndThenReinitializedWithString(int length)
{
// Arrange
var random1 = new DeterministicRandom(length);
var bits = random1.ToString();
var random2 = new DeterministicRandom(bits);
// Act
var cycle11 = Enumerable.Range(1, length).Select(i => random1.NextBool()).ToArray();
var cycle12 = Enumerable.Range(1, length).Select(i => random1.NextBool()).ToArray();
var cycle13 = Enumerable.Range(1, length).Select(i => random1.NextBool()).ToArray();
var cycle21 = Enumerable.Range(1, length).Select(i => random2.NextBool()).ToArray();
var cycle22 = Enumerable.Range(1, length).Select(i => random2.NextBool()).ToArray();
var cycle23 = Enumerable.Range(1, length).Select(i => random2.NextBool()).ToArray();
// Assert
CollectionAssert.AreEqual(cycle11, cycle12);
CollectionAssert.AreEqual(cycle12, cycle13);
CollectionAssert.AreEqual(cycle11, cycle21);
CollectionAssert.AreEqual(cycle12, cycle22);
CollectionAssert.AreEqual(cycle13, cycle23);
}
public void InitializedRandomlyAndThenReinitializedWithString(int length)
{
// Arrange
var random1 = new DeterministicRandom(length);
var bits = random1.ToString();
var random2 = new DeterministicRandom(bits);
// Act
var cycle11 = Enumerable.Range(1, length).Select(i => random1.NextBool()).ToArray();
var cycle12 = Enumerable.Range(1, length).Select(i => random1.NextBool()).ToArray();
var cycle13 = Enumerable.Range(1, length).Select(i => random1.NextBool()).ToArray();
var cycle21 = Enumerable.Range(1, length).Select(i => random2.NextBool()).ToArray();
var cycle22 = Enumerable.Range(1, length).Select(i => random2.NextBool()).ToArray();
var cycle23 = Enumerable.Range(1, length).Select(i => random2.NextBool()).ToArray();
// Assert
CollectionAssert.AreEqual(cycle11, cycle12);
CollectionAssert.AreEqual(cycle12, cycle13);
CollectionAssert.AreEqual(cycle11, cycle21);
CollectionAssert.AreEqual(cycle12, cycle22);
CollectionAssert.AreEqual(cycle13, cycle23);
}
public static void Shuffle <T>(this IList <T> list, DeterministicRandom random)
{
var elementsCount = list.Count;
Shuffle(list, () => random.NextInt() % elementsCount);
}
/// <summary>
/// Initializes a new instance of <see cref="PatternCollectionGenerator"/>,
/// using <see cref="DeterministicRandom"/> to get deterministic output.
/// </summary>
public PatternCollectionGenerator(DeterministicRandom random)
{
this.random = random;
}
/// <summary>
/// Initializes a new instance of <see cref="PatternCollectionGenerator"/>,
/// using <see cref="DeterministicRandom"/> to get deterministic output.
/// </summary>
public PatternCollectionGenerator(DeterministicRandom random)
{
this.random = random;
}
/// <summary>
/// Initializes a new instance of <see cref="JContainerGenerator"/>,
/// using <see cref="DeterministicRandom"/> to get deterministic output.
/// </summary>
public JContainerGenerator(DeterministicRandom random)
{
this.random = random;
}
/// <summary>
/// Initializes a new instance of <see cref="JContainerGenerator"/>,
/// using <see cref="DeterministicRandom"/> to get deterministic output.
/// </summary>
public JContainerGenerator(DeterministicRandom random)
{
this.random = random;
}
public void GeneratedTests(int arity, int depth, int patternCount)
{
// Arrange
var random = new DeterministicRandom(3000);
var treeGenerator = new JContainerGenerator(random);
var patternGenerator = new PatternCollectionGenerator(random);
var original = treeGenerator.GeneratePerfectTree(arity, depth);
var patterns = patternGenerator.GeneratePatterns(original, patternCount);
var expected = original.DeepClone();
var actual = original.DeepClone();
// Act
expected.NaiveRemove(patterns);
actual.Subset(patterns);
// Debug
Console.WriteLine($"BIT ARRAY:\n{random}\n");
//Console.WriteLine($"PATTERNS:\n{patterns.MergeLines()}\n");
//Console.WriteLine($"ORIGINAL:\n{original.ToPrettyString()}\n");
//Console.WriteLine($"EXPECTED:\n{expected.ToPrettyString()}\n");
//Console.WriteLine($"WAS:\n{actual.ToPrettyString()}\n");
// Assert
Assert.That(JToken.DeepEquals(expected, actual));
}