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// ArraySegmentTest.cs - NUnit Test Cases for the System.ArraySegment class
//
// Ankit Jain <jankit@novell.com>
// Raja R Harinath <rharinath@novell.com>
//
// Copyright (C) 2006 Novell, Inc (http://www.novell.com)
//
#if NET_2_0
using NUnit.Framework;
using System;
using System.Collections.Generic;
namespace MonoTests.System
{
[TestFixture]
public class ArraySegmentTest
{
public ArraySegmentTest() {}
[Test]
public void CtorTest1 ()
{
byte [] b_arr = new byte [4096];
Array arr;
ArraySegment<byte> seg = new ArraySegment<byte> (b_arr, 0, b_arr.Length);
Assert.AreEqual (seg.Count, b_arr.Length, "#1");
Assert.AreEqual (seg.Offset, 0, "#2");
arr = seg.Array;
Assert.AreEqual (arr.Length, 4096, "#5");
seg = new ArraySegment<byte> (b_arr, 100, b_arr.Length - 100);
Assert.AreEqual (seg.Count, b_arr.Length - 100, "#3");
Assert.AreEqual (seg.Offset, 100, "#4");
arr = seg.Array;
Assert.AreEqual (arr.Length, 4096, "#5");
}
[Test]
public void CtorTest2 ()
{
byte [] b_arr = new byte [4096];
ArraySegment<byte> seg = new ArraySegment<byte> (b_arr);
Assert.AreEqual (seg.Count, b_arr.Length, "#6");
Assert.AreEqual (seg.Offset, 0, "#7");
Array arr = seg.Array;
Assert.AreEqual (arr.Length, 4096, "#8");
}
[Test]
public void CtorTest3 ()
{
EmptyArraySegTest (0);
EmptyArraySegTest (10);
}
private void EmptyArraySegTest (int len)
{
byte [] b_arr = new byte [len];
ArraySegment<byte> seg = new ArraySegment<byte> (b_arr, 0, b_arr.Length);
Assert.AreEqual (seg.Count, b_arr.Length, "#1 [array len {0}] ", len);
Assert.AreEqual (seg.Offset, 0, "#2 [array len {0}] ", len);
Array arr = seg.Array;
Assert.AreEqual (arr.Length, len, "#3 [array len {0}] ", len);
seg = new ArraySegment<byte> (b_arr, b_arr.Length, 0);
Assert.AreEqual (seg.Count, 0, "#4 [array len {0}] ", len);
Assert.AreEqual (seg.Offset, b_arr.Length, "#5 [array len {0}] ", len);
arr = seg.Array;
Assert.AreEqual (arr.Length, len, "#6 [array len {0}] ", len);
seg = new ArraySegment<byte> (b_arr);
Assert.AreEqual (seg.Count, b_arr.Length, "#7 [array len {0}] ", len);
Assert.AreEqual (seg.Offset, 0, "#8 [array len {0}] ", len);
arr = seg.Array;
Assert.AreEqual (arr.Length, len, "#9 [array len {0}] ", len);
}
[Test]
[ExpectedException (typeof (ArgumentException))]
public void CtorErrorTest ()
{
byte [] arr = new byte [4096];
ArraySegment<byte> seg = new ArraySegment<byte> (arr, 1, arr.Length);
}
[Test]
[ExpectedException (typeof (ArgumentException))]
public void CtorErrorTest2 ()
{
byte [] arr = new byte [4096];
ArraySegment<byte> seg = new ArraySegment<byte> (arr, 0, arr.Length + 2);
}
[Test]
[ExpectedException (typeof (ArgumentOutOfRangeException))]
public void CtorErrorTest3 ()
{
byte [] arr = new byte [4096];
ArraySegment<byte> seg = new ArraySegment<byte> (arr, -1, arr.Length);
}
[Test]
[ExpectedException (typeof (ArgumentOutOfRangeException))]
public void CtorErrorTest4 ()
{
byte [] arr = new byte [4096];
ArraySegment<byte> seg = new ArraySegment<byte> (arr, 2, -1);
}
[Test]
[ExpectedException (typeof (ArgumentException))]
public void CtorErrorTest5 ()
{
byte [] arr = new byte [4096];
ArraySegment<byte> seg = new ArraySegment<byte> (arr, 0, arr.Length + 2);
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void CtorNullTest1 ()
{
ArraySegment<byte> seg = new ArraySegment<byte> (null, 0 , 1);
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void CtorNullTest2 ()
{
ArraySegment<byte> seg = new ArraySegment<byte> (null);
}
}
}
#endif
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