public ITypedArray CastNativeArray(object managedArray)
{
var arrayType = managedArray.GetType();
ITypedArray array;
// Here are listed some JavaScript array types:
// https://github.com/mono/mono/blob/a7f5952c69ae76015ccaefd4dfa8be2274498a21/sdks/wasm/bindings-test.cs
if (arrayType == typeof(byte[]))
{
array = Uint8Array.From((byte[])managedArray);
}
else if (arrayType == typeof(float[]))
{
array = Float32Array.From((float[])managedArray);
}
else if (arrayType == typeof(ushort[]))
{
array = Uint16Array.From((ushort[])managedArray);
}
else
{
throw new NotImplementedException();
}
return(array);
}
public static void Float32ArrayFrom(Function objectPrototype)
{
var array = new float[50];
Float32Array from = Float32Array.From(array);
Assert.Equal(50, from.Length);
Assert.Equal("[object Float32Array]", objectPrototype.Call(from));
}
public static IEnumerable <object[]> ArrayType_TestData()
{
_objectPrototype ??= new Function("return Object.prototype.toString;");
yield return(new object[] { _objectPrototype.Call(), "Uint8Array", Uint8Array.From(new byte[10]) });
yield return(new object[] { _objectPrototype.Call(), "Uint8ClampedArray", Uint8ClampedArray.From(new byte[10]) });
yield return(new object[] { _objectPrototype.Call(), "Int8Array", Int8Array.From(new sbyte[10]) });
yield return(new object[] { _objectPrototype.Call(), "Uint16Array", Uint16Array.From(new ushort[10]) });
yield return(new object[] { _objectPrototype.Call(), "Int16Array", Int16Array.From(new short[10]) });
yield return(new object[] { _objectPrototype.Call(), "Uint32Array", Uint32Array.From(new uint[10]) });
yield return(new object[] { _objectPrototype.Call(), "Int32Array", Int32Array.From(new int[10]) });
yield return(new object[] { _objectPrototype.Call(), "Float32Array", Float32Array.From(new float[10]) });
yield return(new object[] { _objectPrototype.Call(), "Float64Array", Float64Array.From(new double[10]) });
yield return(new object[] { _objectPrototype.Call(), "Array", new Array(10) });
}
private static void SetTypedArrayFloat(JSObject obj)
{
float[] buffer = Enumerable.Repeat(3.14f, 17).ToArray();
obj.SetObjectProperty("typedArray", Float32Array.From(buffer));
}
public static Float32Array Float32ArrayFrom()
{
var array = new float[50];
return(Float32Array.From(array));
}
