public void SequenceEqualEmptyDefault()
{
TestExtensionsMethods.ValidateDefaultThisBehavior(() => ImmutableArrayExtensions.SequenceEqual(s_oneElement, s_emptyDefault));
TestExtensionsMethods.ValidateDefaultThisBehavior(() => ImmutableArrayExtensions.SequenceEqual(s_emptyDefault, s_empty));
TestExtensionsMethods.ValidateDefaultThisBehavior(() => ImmutableArrayExtensions.SequenceEqual(s_emptyDefault, s_emptyDefault));
AssertExtensions.Throws <ArgumentNullException>("predicate", () => ImmutableArrayExtensions.SequenceEqual(s_emptyDefault, s_emptyDefault, (Func <int, int, bool>)null));
}
public void SelectMany()
{
Func <int, IEnumerable <int> > collectionSelector = i => Enumerable.Range(i, 10);
Func <int, int, int> resultSelector = (i, e) => e * 2;
foreach (var arr in new[] { s_empty, s_oneElement, s_manyElements })
{
Assert.Equal(
Enumerable.SelectMany(arr, collectionSelector, resultSelector),
ImmutableArrayExtensions.SelectMany(arr, collectionSelector, resultSelector));
}
TestExtensionsMethods.ValidateDefaultThisBehavior(() => ImmutableArrayExtensions.SelectMany <int, int, int>(s_emptyDefault, null, null));
AssertExtensions.Throws <ArgumentNullException>("collectionSelector", () =>
ImmutableArrayExtensions.SelectMany <int, int, int>(s_manyElements, null, (i, e) => e));
AssertExtensions.Throws <ArgumentNullException>("resultSelector", () =>
ImmutableArrayExtensions.SelectMany <int, int, int>(s_manyElements, i => new[] { i }, null));
}
public void AnyEmptyDefault()
{
TestExtensionsMethods.ValidateDefaultThisBehavior(() => ImmutableArrayExtensions.Any(s_emptyDefault));
TestExtensionsMethods.ValidateDefaultThisBehavior(() => ImmutableArrayExtensions.Any(s_emptyDefault, n => true));
TestExtensionsMethods.ValidateDefaultThisBehavior(() => ImmutableArrayExtensions.Any(s_emptyDefault, null));
}
public void SingleOrDefaultEmptyDefault()
{
TestExtensionsMethods.ValidateDefaultThisBehavior(() => ImmutableArrayExtensions.SingleOrDefault(s_emptyDefault));
TestExtensionsMethods.ValidateDefaultThisBehavior(() => ImmutableArrayExtensions.SingleOrDefault(s_emptyDefault, n => true));
AssertExtensions.Throws <ArgumentNullException>("predicate", () => ImmutableArrayExtensions.SingleOrDefault(s_emptyDefault, null));
}
public void SelectEmptyDefault()
{
TestExtensionsMethods.ValidateDefaultThisBehavior(() => ImmutableArrayExtensions.Select <int, bool>(s_emptyDefault, null));
TestExtensionsMethods.ValidateDefaultThisBehavior(() => ImmutableArrayExtensions.Select(s_emptyDefault, n => true));
}
public void AsSpanEmptyRangeNotInitialized()
{
TestExtensionsMethods.ValidateDefaultThisBehavior(() => s_emptyDefault.AsSpan(new Range(0, 0)));
}