public void UnmanagedArray_BasicAccess()
{
int size = 256;
var testArray = new UnmanagedArray <int>(size, true);
var baselineArray = Enumerable.Range(0, size).ToArray();
// test creation
Assert.AreEqual(0, testArray.Sum());
// test copy
testArray.Copy(baselineArray);
Assert.AreEqual(size * (size - 1) / 2, testArray.Sum());
Assert.IsTrue(this.AreIdentical(testArray, baselineArray));
// test set one value
int index = 11;
testArray[index] = 1024;
Assert.AreEqual(1024, testArray[index]);
Assert.IsTrue(this.AreIdentical(testArray.Skip(index + 1), baselineArray.Skip(index + 1)));
Assert.IsFalse(this.AreIdentical(testArray, baselineArray));
// test get one value
baselineArray[index] = testArray[index];
Assert.IsTrue(this.AreIdentical(testArray, baselineArray));
// test clear
testArray.Clear();
Assert.AreEqual(0, testArray.Sum());
}
