public void FirstOrDefaultEmpty()
{
Assert.Equal(0, ImmutableArrayExtensions.FirstOrDefault(empty));
Assert.Equal(0, ImmutableArrayExtensions.FirstOrDefault(empty, n => true));
Assert.Throws <ArgumentNullException>(() => ImmutableArrayExtensions.FirstOrDefault(empty, null));
Assert.Equal(0, ImmutableArrayExtensions.FirstOrDefault(emptyBuilder));
}
public void FirstOrDefault()
{
Assert.Equal(Enumerable.FirstOrDefault(oneElement), ImmutableArrayExtensions.FirstOrDefault(oneElement));
Assert.Equal(Enumerable.FirstOrDefault(manyElements), ImmutableArrayExtensions.FirstOrDefault(manyElements));
foreach (bool result in new[] { true, false })
{
Assert.Equal(Enumerable.FirstOrDefault(oneElement, i => result), ImmutableArrayExtensions.FirstOrDefault(oneElement, i => result));
Assert.Equal(Enumerable.FirstOrDefault(manyElements, i => result), ImmutableArrayExtensions.FirstOrDefault(manyElements, i => result));
}
Assert.Throws <ArgumentNullException>(() => ImmutableArrayExtensions.FirstOrDefault(oneElement, null));
Assert.Equal(Enumerable.FirstOrDefault(oneElementBuilder), ImmutableArrayExtensions.FirstOrDefault(oneElementBuilder));
Assert.Equal(Enumerable.FirstOrDefault(manyElementsBuilder), ImmutableArrayExtensions.FirstOrDefault(manyElementsBuilder));
}
public void FirstOrDefaultEmptyDefault()
{
Assert.Throws <NullReferenceException>(() => ImmutableArrayExtensions.FirstOrDefault(emptyDefault));
Assert.Throws <NullReferenceException>(() => ImmutableArrayExtensions.FirstOrDefault(emptyDefault, n => true));
Assert.Throws <ArgumentNullException>(() => ImmutableArrayExtensions.FirstOrDefault(emptyDefault, null));
}
public void FirstOrDefault()
{
Assert.Equal(Enumerable.FirstOrDefault(oneElement), ImmutableArrayExtensions.FirstOrDefault(oneElement));
Assert.Equal(Enumerable.FirstOrDefault(manyElements), ImmutableArrayExtensions.FirstOrDefault(manyElements));
Assert.Throws <ArgumentNullException>(() => ImmutableArrayExtensions.FirstOrDefault(oneElement, null));
}