public void ReplaceObjectTest()
{
var v1 = (NSString)"1";
var v2 = (NSString)"2";
var v3 = (NSString)"3";
using (var arr = new NSMutableArray <NSString> (v1, v3)) {
Assert.AreEqual(2, arr.Count, "ReplaceObject 1");
Assert.AreSame(v1, arr [0], "a [0]");
Assert.AreSame(v3, arr [1], "a [1]");
Assert.Throws <ArgumentNullException> (() => arr.ReplaceObject(0, null), "Insert ANE");
Assert.Throws <IndexOutOfRangeException> (() => arr.ReplaceObject(-1, v2), "Insert AOORE 1");
Assert.Throws <IndexOutOfRangeException> (() => arr.ReplaceObject(3, v2), "Insert AOORE 2");
arr.ReplaceObject(1, v2);
Assert.AreEqual(2, arr.Count, "ReplaceObject 2");
Assert.AreSame(v1, arr [0], "b [0]");
Assert.AreSame(v2, arr [1], "b [1]");
}
}
