public void ElementAt()
{
// Basis for some assertions that follow
Assert.Throws <IndexOutOfRangeException>(() => Enumerable.ElementAt(empty, 0));
Assert.Throws <IndexOutOfRangeException>(() => Enumerable.ElementAt(manyElements, -1));
Assert.Throws <NullReferenceException>(() => ImmutableArrayExtensions.ElementAt(emptyDefault, 0));
Assert.Throws <IndexOutOfRangeException>(() => ImmutableArrayExtensions.ElementAt(empty, 0));
Assert.Throws <IndexOutOfRangeException>(() => ImmutableArrayExtensions.ElementAt(manyElements, -1));
Assert.Equal(1, ImmutableArrayExtensions.ElementAt(oneElement, 0));
Assert.Equal(3, ImmutableArrayExtensions.ElementAt(manyElements, 2));
}
public void ElementAt()
{
// Basis for some assertions that follow
Assert.Throws <IndexOutOfRangeException>(() => Enumerable.ElementAt(s_empty, 0));
#if NET35PLUS // .NET Framework
Assert.Throws <IndexOutOfRangeException>(() => Enumerable.ElementAt(s_manyElements, -1));
#else // LinqBridge
Assert.Throws <ArgumentOutOfRangeException>(() => Enumerable.ElementAt(s_manyElements, -1));
#endif
Assert.Throws <NullReferenceException>(() => ImmutableArrayExtensions.ElementAt(s_emptyDefault, 0));
Assert.Throws <IndexOutOfRangeException>(() => ImmutableArrayExtensions.ElementAt(s_empty, 0));
Assert.Throws <IndexOutOfRangeException>(() => ImmutableArrayExtensions.ElementAt(s_manyElements, -1));
Assert.Equal(1, ImmutableArrayExtensions.ElementAt(s_oneElement, 0));
Assert.Equal(3, ImmutableArrayExtensions.ElementAt(s_manyElements, 2));
}
