public void Multi()
{
var dbSmall = new FakeDbReader <int>(1, 2, 3, 4);
var take = dbSmall.Take(2);
Assert.Equal(new[] { 1, 2 }, take.ToImmutableArray());
Assert.Equal(new[] { 1, 2 }, take.ToImmutableArray());
}
public void Take()
{
var dbSmall = new FakeDbReader <int>(1, 2, 3, 4);
Assert.Empty(dbSmall.Take(0).ToImmutableArray());
Assert.Equal(new [] { 1, 2, 3 }, dbSmall.Take(3).ToImmutableArray());
Assert.Equal(new [] { 1, 2, 3, 4 }, dbSmall.Take(4).ToImmutableArray());
Assert.Equal(new [] { 1, 2, 3, 4 }, dbSmall.Take(5).ToImmutableArray());
var largeRange = Enumerable.Range(1, 10_000);
var dbLarge = new FakeDbReader <int>(largeRange);
Assert.Empty(dbLarge.Take(0).ToImmutableArray());
Assert.Equal(largeRange.Take(9), dbLarge.Take(9).ToImmutableArray());
Assert.Equal(largeRange.Take(99), dbLarge.Take(99).ToImmutableArray());
Assert.Equal(largeRange.Take(999), dbLarge.Take(999).ToImmutableArray());
Assert.Equal(largeRange.Take(9999), dbLarge.Take(9999).ToImmutableArray());
Assert.Equal(largeRange.Take(99999), dbLarge.Take(99999).ToImmutableArray());
}