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