public void SomeIncluded_SomeExcluded_WorksAsExpected(bool firstKeyIsIncluded)
{
var start = firstKeyIsIncluded ? 0 : -1;
var input = Enumerable.Range(start, 10).ToArray();
var filtered = CacheKeysFilter <int> .Filter(input, k => k % 2 != 0, out _);
filtered.ToArray().Should().BeEquivalentTo(Enumerable.Range(0, 5).Select(i => i * 2));
}
public void AllIncluded_ReturnsEmpty()
{
var input = Enumerable.Range(0, 10).ToArray();
var filtered = CacheKeysFilter <int> .Filter(input, _ => false, out var pooledArray);
filtered.ToArray().Should().BeEquivalentTo(input);
pooledArray.Should().BeNull();
}
public void AllExcluded_WorkAsExpected()
{
var input = Enumerable.Range(0, 10).ToArray();
var filtered = CacheKeysFilter <int> .Filter(input, _ => true, out var pooledArray);
filtered.IsEmpty.Should().BeTrue();
pooledArray.Should().BeNull();
}
public void AllIncluded_WorksAsExpected()
{
var input = Enumerable.Range(0, 10).ToArray();
var filtered = CacheKeysFilter <int, int> .Filter(0, input, (_, __) => false, out var pooledArray);
filtered.ToArray().Should().BeEquivalentTo(input);
pooledArray.Should().BeNull();
}
public void AllExcluded_ReturnsEmpty()
{
var input = Enumerable.Range(0, 10).ToArray();
var filtered = CacheKeysFilter <int, int> .Filter(0, input, (_, __) => true, out var pooledArray);
filtered.IsEmpty.Should().BeTrue();
pooledArray.Should().BeNull();
}
public void OneIncluded_WorksAsExpected(int indexOfIncluded)
{
var input = Enumerable.Range(0, 10).ToArray();
var filtered = CacheKeysFilter <int> .Filter(input, k => k != indexOfIncluded, out _);
var expected = new[] { indexOfIncluded };
filtered.ToArray().Should().BeEquivalentTo(expected);
}
public void OneExcluded_WorksAsExpected(int indexOfExcluded)
{
var input = Enumerable.Range(0, 10).ToArray();
var filtered = CacheKeysFilter <int> .Filter(input, k => k == indexOfExcluded, out _);
var expected = Enumerable.Range(0, 10).Where(i => i != indexOfExcluded).ToArray();
filtered.ToArray().Should().BeEquivalentTo(expected);
}