public static unsafe void GetUtf16SpanFromSBytePointerTest()
{
Assert.That(() => MarshalUtilities.GetUtf16Span(null, -1).ToArray(),
Is.EqualTo(Array.Empty <ushort>())
);
fixed(ushort *source = Array.Empty <ushort>())
{
var pSource = source;
Assert.That(() => MarshalUtilities.GetUtf16Span(pSource, -1).ToArray(),
Is.EqualTo(Array.Empty <ushort>())
);
}
fixed(ushort *source = new ushort[] { 'A', 'B', 'C' })
{
var pSource = source;
Assert.That(() => MarshalUtilities.GetUtf16Span(pSource, -1).ToArray(),
Is.EqualTo(new ushort[] { 'A', 'B', 'C' })
);
Assert.That(() => MarshalUtilities.GetUtf16Span(pSource, 2).ToArray(),
Is.EqualTo(new ushort[] { 'A', 'B' })
);
}
}
public static void GetUtf16SpanFromStringTest()
{
Assert.That(() => MarshalUtilities.GetUtf16Span(null).ToArray(),
Is.EqualTo(Array.Empty <ushort>())
);
Assert.That(() => MarshalUtilities.GetUtf16Span(string.Empty).ToArray(),
Is.EqualTo(Array.Empty <ushort>())
);
Assert.That(() => MarshalUtilities.GetUtf16Span("ABC").ToArray(),
Is.EqualTo(new ushort[] { 'A', 'B', 'C' })
);
}
public static unsafe void GetUtf16SpanFromSByteReferenceTest()
{
Assert.That(() => MarshalUtilities.GetUtf16Span(UnsafeUtilities.NullRef <ushort>(), -1).ToArray(),
Is.EqualTo(Array.Empty <ushort>())
);
var source = new ushort[] { 'A', 'B', 'C' };
Assert.That(() => MarshalUtilities.GetUtf16Span(in source[0], -1).ToArray(),
Is.EqualTo(new ushort[] { 'A', 'B', 'C' })
);
Assert.That(() => MarshalUtilities.GetUtf16Span(in source[0], 2).ToArray(),
Is.EqualTo(new ushort[] { 'A', 'B' })
);
}