public void Indexers()
{
TestRuntime.AssertXcodeVersion(9, 0);
NSError err;
var shape = new nint [] { 10 };
using (var arr = new MLMultiArray(shape, MLMultiArrayDataType.Int32, out err)) {
Assert.IsNull(err, "err");
Assert.AreEqual(10, arr.Count, "Count");
Assert.AreEqual(new nint [] { 10 }, arr.Shape, "Shape");
Assert.AreEqual(new nint [] { 1 }, arr.Strides, "Strides");
arr [0] = 0; // MLMultiArray's elements aren't zero-initialized
Assert.AreEqual(0, arr [0].Int32Value, "a");
Assert.AreEqual(0, arr [new nint [] { 0 }].Int32Value, "b");
Assert.AreEqual(0, arr [new NSNumber [] { NSNumber.FromNInt(0) }].Int32Value, "c nint");
Assert.AreEqual(0, arr [new NSNumber [] { NSNumber.FromInt32(0) }].Int32Value, "c int32");
Assert.AreEqual(0, arr [new NSNumber [] { NSNumber.FromByte(0) }].Int32Value, "c byte");
Assert.AreEqual(0, arr [new NSNumber [] { NSNumber.FromFloat(0) }].Int32Value, "c float");
Assert.AreEqual(0, arr.GetObject(0).Int32Value, "GetObject a");
Assert.AreEqual(0, arr.GetObject(new nint [] { 0 }).Int32Value, "GetObject b");
Assert.AreEqual(0, arr.GetObject(new NSNumber [] { NSNumber.FromNInt(0) }).Int32Value, "GetObject c nint");
Assert.AreEqual(0, arr.GetObject(new NSNumber [] { NSNumber.FromInt32(0) }).Int32Value, "GetObject c int32");
Assert.AreEqual(0, arr.GetObject(new NSNumber [] { NSNumber.FromByte(0) }).Int32Value, "GetObject c byte");
Assert.AreEqual(0, arr.GetObject(new NSNumber [] { NSNumber.FromFloat(0) }).Int32Value, "GetObject c float");
arr [1] = NSNumber.FromInt32(1);
arr [new nint [] { 2 }] = NSNumber.FromInt32(2);
arr [new NSNumber [] { NSNumber.FromUInt16(3) }] = NSNumber.FromInt32(3);
arr.SetObject(NSNumber.FromInt32(4), 4);
arr.SetObject(NSNumber.FromInt32(5), new nint [] { 5 });
arr.SetObject(NSNumber.FromInt32(6), new NSNumber [] { NSNumber.FromSByte(6) });
Assert.AreEqual(1, arr [1].Int32Value, "1");
Assert.AreEqual(2, arr [2].Int32Value, "2");
Assert.AreEqual(3, arr [3].Int32Value, "3");
Assert.AreEqual(4, arr [4].Int32Value, "4");
Assert.AreEqual(5, arr [5].Int32Value, "5");
Assert.AreEqual(6, arr [6].Int32Value, "6");
}
// multi-dimensional
shape = new nint [] { 7, 7, 7 };
using (var arr = new MLMultiArray(shape, MLMultiArrayDataType.Int32, out err)) {
Assert.IsNull(err, "err");
Assert.AreEqual(shape [0] * shape [1] * shape [2], arr.Count, "Count");
arr [0, 0, 0] = 0; // MLMultiArray's elements aren't zero-initialized
Assert.AreEqual(0, arr [0, 0, 0].Int32Value, "a");
Assert.AreEqual(0, arr [new nint [] { 0, 0, 0 }].Int32Value, "b");
Assert.AreEqual(0, arr [new NSNumber [] { NSNumber.FromNInt(0), NSNumber.FromNInt(0), NSNumber.FromNInt(0) }].Int32Value, "c nint");
Assert.AreEqual(0, arr.GetObject(0, 0, 0).Int32Value, "GetObject a");
Assert.AreEqual(0, arr.GetObject(new nint [] { 0, 0, 0 }).Int32Value, "GetObject b");
Assert.AreEqual(0, arr.GetObject(new NSNumber [] { NSNumber.FromNInt(0), NSNumber.FromNInt(0), NSNumber.FromNInt(0) }).Int32Value, "GetObject c nint");
arr [1, 1, 1] = NSNumber.FromInt32(1);
arr [new nint [] { 2, 2, 2 }] = NSNumber.FromInt32(2);
arr [new NSNumber [] { NSNumber.FromUInt16(3), NSNumber.FromUInt16(3), NSNumber.FromUInt16(3) }] = NSNumber.FromInt32(3);
arr.SetObject(NSNumber.FromInt32(4), 4, 4, 4);
arr.SetObject(NSNumber.FromInt32(5), new nint [] { 5, 5, 5 });
arr.SetObject(NSNumber.FromInt32(6), new NSNumber [] { NSNumber.FromSByte(6), NSNumber.FromSByte(6), NSNumber.FromSByte(6) });
Assert.AreEqual(1, arr [1, 1, 1].Int32Value, "1");
Assert.AreEqual(2, arr [2, 2, 2].Int32Value, "2");
Assert.AreEqual(3, arr [3, 3, 3].Int32Value, "3");
Assert.AreEqual(4, arr [4, 4, 4].Int32Value, "4");
Assert.AreEqual(5, arr [5, 5, 5].Int32Value, "5");
Assert.AreEqual(6, arr [6, 6, 6].Int32Value, "6");
}
}
public static NSObject ConvertToNSObject(object obj)
{
if (obj != null)
{
if (obj is Boolean)
{
return(NSNumber.FromBoolean((bool)obj));
}
else if (obj is Byte)
{
return(NSNumber.FromByte((byte)obj));
}
else if (obj is SByte)
{
return(NSNumber.FromSByte((sbyte)obj));
}
else if (obj is Int16)
{
return(NSNumber.FromInt16((short)obj));
}
else if (obj is Int32)
{
return(NSNumber.FromInt32((int)obj));
}
else if (obj is Int64)
{
return(NSNumber.FromInt64((long)obj));
}
else if (obj is UInt16)
{
return(NSNumber.FromUInt16((ushort)obj));
}
else if (obj is UInt32)
{
return(NSNumber.FromUInt32((uint)obj));
}
else if (obj is UInt64)
{
return(NSNumber.FromUInt64((ulong)obj));
}
else if (obj is Single)
{
return(NSNumber.FromFloat((float)obj));
}
else if (obj is Double)
{
return(NSNumber.FromDouble((double)obj));
}
else if (obj is string)
{
return(new NSString(obj.ToString()));
}
else if (obj is Guid)
{
return(new NSUuid(((Guid)obj).ToByteArray()));
}
else if (obj is DateTime)
{
return(((DateTime)obj).ToNSDate());
}
else if (obj is DateTimeOffset)
{
return(new NSString(((DateTimeOffset)obj).ToString("O")));
}
}
return(null);
}
