IL2Cpp.Testing.cs

using UnityEngine;
using System.Collections;
using System;
using System.Linq;

public class Test : MonoBehaviour {

	string testCecilSpec;
	int[,] dynArray;
	int[][][] dynJaggedArray;

	static T CreateJaggedArray<T>(params int[] lengths) {
		return (T)CreateJaggedArray(typeof(T).GetElementType(), 0, lengths);
	}

	static object CreateJaggedArray(Type type, int index, int[] lengths) {
		var array = Array.CreateInstance(type, lengths[index]);
		var elementType = type.GetElementType();

		if (elementType != null)
			for (int i = 0; i < lengths[index]; i++)
				array.SetValue(CreateJaggedArray(elementType, index + 1, lengths), i);

		return array;
	}

	unsafe void Start() {
		// Test Cecil specs with GenericTypeInstance(Of ArrayType( Of GenericTypeInstance(Of int) ) )
		Predicate<Nullable<int>[]> foo = t => t.Length == 3 && t[0] == 6 && !t[1].HasValue && t[2] == 1;
		testCecilSpec = foo(new int?[]{6, null, 1}).ToString();

		// Test pointers
		fixed (char* s = testCecilSpec)
		{
			short* p = (short*)s;
			*(p++) = (short)'X';
			*(p++) = (short)'Y';
		}

		// Test dynamic arrays with lower bounds
		dynArray = (int[,])Array.CreateInstance(typeof(int), new int[] { 4, 2 }, new int[] { -4, -1 });
		dynArray[-2, -1] = 666;

		// Test dynamic jagged array
		dynJaggedArray = CreateJaggedArray<int[][][]>(1, 2, 3);
		dynJaggedArray[0][1][2] = 999;
	}

	void OnGUI () {
		var str = testCecilSpec + dynArray[-2, -1] + dynJaggedArray[0][1][2];
		GUI.Label(new Rect(0, 0, 128, 32), str); // XYue666999
	}

}