296 lines
8.0 KiB
C#
296 lines
8.0 KiB
C#
//
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// BufferTest.cs - NUnit Test Cases for the Buffer class.
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//
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// Authors
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// Cesar Octavio Lopez Nataren (cesar@ciencias.unam.mx)
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// Sebastien Pouliot (sebastien@ximian.com)
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//
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// (C) Cesar Octavio Lopez Nataren 2002
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// Copyright (C) 2004 Novell (http://www.novell.com)
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//
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using NUnit.Framework;
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using System;
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namespace MonoTests.System {
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[TestFixture]
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public class BufferTest {
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const int SIZE = 10;
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byte [] byteArray = new byte [SIZE]; // 8-bits unsigned integer array
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[Test]
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public void BlockCopy ()
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{
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int SizeOfInt32 = 4;
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int [] myArray1 = new int [5] {1, 2, 3, 4, 5};
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int [] myArray2 = new int [10] { 0, 0, 0, 0, 0, 6, 7, 8, 9, 10 };
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Buffer.BlockCopy (myArray1, 0, myArray2, 0, SizeOfInt32 * myArray1.Length);
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for (int i = 0; i < myArray1.Length; i++)
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Assert.AreEqual (i + 1, myArray2 [i], "TestBlockCopy Error at i=" + i);
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}
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public void BlockCopy_NullSource ()
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{
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byte[] dest = new byte [8];
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Buffer.BlockCopy (null, 0, dest, 0, dest.Length);
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}
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public void BlockCopy_NullDest ()
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{
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byte[] src = new byte [8];
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Buffer.BlockCopy (src, 0, null, 0, src.Length);
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}
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[Test]
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[ExpectedException (typeof (ArgumentException))]
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public void BlockCopy_ObjectSource ()
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{
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object[] src = new object [8];
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byte[] dest = new byte [8];
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Buffer.BlockCopy (src, 0, dest, 0, src.Length);
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}
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[Test]
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[ExpectedException (typeof (ArgumentException))]
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public void BlockCopy_ObjectDest ()
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{
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byte[] src = new byte [8];
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object[] dest = new object [8];
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Buffer.BlockCopy (src, 0, dest, 0, src.Length);
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}
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[Test]
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[ExpectedException (typeof (ArgumentException))]
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public void BlockCopy_SourceTooShort ()
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{
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byte[] src = new byte [8];
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byte[] dest = new byte [8];
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Buffer.BlockCopy (src, 4, dest, 0, src.Length);
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}
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[Test]
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[ExpectedException (typeof (ArgumentException))]
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public void BlockCopy_DestTooShort ()
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{
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byte[] src = new byte [8];
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byte[] dest = new byte [8];
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Buffer.BlockCopy (src, 0, dest, 4, src.Length);
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}
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[Test]
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[ExpectedException (typeof (ArgumentOutOfRangeException))]
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public void BlockCopy_SourceOffsetNegative ()
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{
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byte[] src = new byte [8];
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byte[] dest = new byte [8];
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Buffer.BlockCopy (src, -1, dest, 0, src.Length);
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}
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[Test]
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[ExpectedException (typeof (ArgumentOutOfRangeException))]
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public void BlockCopy_DestOffsetNegative ()
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{
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byte[] src = new byte [8];
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byte[] dest = new byte [8];
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Buffer.BlockCopy (src, 0, dest, -1, src.Length);
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}
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[Test]
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[ExpectedException (typeof (ArgumentException))]
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public void BlockCopy_SourceOffsetOverflow ()
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{
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byte[] src = new byte [8];
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byte[] dest = new byte [8];
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Buffer.BlockCopy (src, Int32.MaxValue, dest, 0, src.Length);
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}
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[Test]
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[ExpectedException (typeof (ArgumentException))]
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public void BlockCopy_DestOffsetOverflow ()
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{
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byte[] src = new byte [8];
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byte[] dest = new byte [8];
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Buffer.BlockCopy (src, 0, dest, Int32.MaxValue, src.Length);
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}
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[Test]
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[ExpectedException (typeof (ArgumentOutOfRangeException))]
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public void BlockCopy_LengthNegative ()
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{
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byte[] src = new byte [8];
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byte[] dest = new byte [8];
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Buffer.BlockCopy (src, 0, dest, 0, -1);
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}
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[Test]
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[ExpectedException (typeof (ArgumentException))]
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public void BlockCopy_LengthOverflow ()
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{
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byte[] src = new byte [8];
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byte[] dest = new byte [8];
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Buffer.BlockCopy (src, 0, dest, 0, Int32.MaxValue);
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}
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[Test]
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public void ByteLength ()
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{
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int numBytes;
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float [] floatArray = new float [10];
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float [,] floatArray2 = new float [10,10];
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float [,,] floatArray3 = new float [10,10,10];
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float [,,,] floatArray4 = new float [10,0,10,10];
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float [,,,] floatArray5 = new float [0,0,0,0];
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float [] floatArray6 = new float [0];
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BufferTest [] someArray = new BufferTest [3];
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try {
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Buffer.ByteLength (null);
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Assert.Fail ("TestByteLength: ArgumentNullException not thrown");
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} catch (ArgumentNullException) {
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// do nothing, this is expected
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} catch (Exception e) {
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Assert.Fail ("Unexpected exception on Buffer.ByteLength (null):" + e);
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}
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try {
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Buffer.ByteLength (someArray);
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Assert.Fail ("TestByteLength: ArgumentException not thrown");
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} catch (ArgumentException) {
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// do nothing, this is expected
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} catch (Exception e) {
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Assert.Fail ("Unexpected exception on Buffer.ByteLength (non primitive array):" + e);
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}
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numBytes = Buffer.ByteLength (floatArray);
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Assert.AreEqual (40, numBytes, "TestByteLength: wrong byteLength for floatArray");
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numBytes = Buffer.ByteLength (floatArray2);
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Assert.AreEqual (400, numBytes, "TestByteLength: wrong byteLength for floatArray2");
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numBytes = Buffer.ByteLength (floatArray3);
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Assert.AreEqual (4000, numBytes, "TestByteLength: wrong byteLength for floatArray3");
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numBytes = Buffer.ByteLength (floatArray4);
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Assert.AreEqual (0, numBytes, "TestByteLength: wrong byteLength for floatArray4");
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numBytes = Buffer.ByteLength (floatArray5);
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Assert.AreEqual (0, numBytes, "TestByteLength: wrong byteLength for floatArray5");
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numBytes = Buffer.ByteLength (floatArray6);
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Assert.AreEqual (0, numBytes, "TestByteLength: wrong byteLength for floatArray6");
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}
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[Test]
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public void GetByte ()
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{
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Byte [] byteArray;
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bool errorThrown = false;
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byteArray = new byte [10];
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byteArray [5] = 8;
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BufferTest [] someArray = new BufferTest [3];
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try {
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Buffer.GetByte (null, 5);
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} catch (ArgumentNullException) {
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errorThrown = true;
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}
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Assert.IsTrue (errorThrown, "TestGetByte: ArgumentNullException not thrown");
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errorThrown = false;
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try {
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Buffer.GetByte (byteArray, -1);
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} catch (ArgumentOutOfRangeException) {
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errorThrown = true;
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}
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Assert.IsTrue (errorThrown, "TestGetByte: ArgumentOutOfRangeException (negative index) not implemented");
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errorThrown = false;
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try {
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Buffer.GetByte (byteArray, 12);
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} catch (ArgumentOutOfRangeException) {
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errorThrown = true;
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}
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Assert.IsTrue (errorThrown, "TestGetByte: ArgumentOutOfRangeException (index bigger/equal than array's size not thrown");
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errorThrown = false;
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try {
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Buffer.GetByte (someArray, 0);
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Assert.Fail ("TestGetByte: ArgumentException not thrown");
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} catch (ArgumentException) {
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// do nothing, this is expected
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} catch (Exception e) {
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Assert.Fail ("Unexpected exception on Buffer.GetByte (non primitive array):" + e);
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}
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Assert.AreEqual ((Byte)8, Buffer.GetByte (byteArray, 5), "TestGetByte Error");
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}
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[Test]
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public void SetByte ()
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{
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bool errorThrown = false;
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BufferTest [] someArray = new BufferTest [3];
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try {
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Buffer.SetByte (null, 5, 12);
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} catch (ArgumentNullException) {
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errorThrown = true;
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}
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Assert.IsTrue (errorThrown, "TestSetByte: ArgumentNullException not thrown");
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errorThrown = false;
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try {
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Buffer.SetByte (byteArray, -1, 32);
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} catch (ArgumentOutOfRangeException) {
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errorThrown = true;
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}
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Assert.IsTrue (errorThrown, "TestSetByte: ArgumentOutOfRangeException (case: negative index) not thrown");
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errorThrown = false;
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try {
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Buffer.SetByte (byteArray, 12, 43);
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} catch (ArgumentOutOfRangeException) {
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errorThrown = true;
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}
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Assert.IsTrue (errorThrown, "TestSetByte: ArgumentOutOfRangeException (case: index bigger/equal than array'size");
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errorThrown = false;
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try {
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Buffer.SetByte (someArray, 0, 42);
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Assert.Fail ("TestSetByte: ArgumentException not thrown");
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} catch (ArgumentException) {
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// do nothing, this is expected
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} catch (Exception e) {
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Assert.Fail ("Unexpected exception on Buffer.SetByte (non primitive array):" + e);
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}
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Buffer.SetByte (byteArray, 3, (byte) 10);
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Assert.AreEqual ((Byte)10, Buffer.GetByte (byteArray, 3), "TestSetByte");
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}
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[Test]
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public void MemoryCopy_Simple ()
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{
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int a = 0xBC614E;
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int b = 1;
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unsafe {
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Buffer.MemoryCopy (&a, &b, 4, 2);
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}
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Assert.AreEqual (0xBC614E, a, "#1");
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Assert.AreEqual (0x614E, b, "#2");
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}
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}
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}
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