public void GetLastBytesFromBigMemory()
{
ByteMemory bytememory = new ByteMemory(1000);
byte[] bytes = bytememory.GetBytes(900, 100);
Assert.IsNotNull(bytes);
Assert.AreEqual(100, bytes.Length);
Assert.IsTrue(bytes.All(b => b == 0));
}
public void RaiseWhenRangeIsCrossingBoundary()
{
ByteMemory bytememory = new ByteMemory();
bytememory.GetBytes(90, 20);
}
public void RaiseWhenAddressIsNegative()
{
ByteMemory bytememory = new ByteMemory();
bytememory.GetBytes(-20, 10);
}
public void RaiseWhenAddressIsBeyondLimits()
{
ByteMemory bytememory = new ByteMemory();
bytememory.GetBytes(200, 10);
}
public void SetBitsToZero()
{
ByteMemory memory = new ByteMemory();
memory.SetBytes(0, new byte[] { 0xff, 0xff });
memory.SetBit(0, false);
Assert.AreEqual(0xfe, memory.GetBytes(0, 1)[0]);
memory.SetBit(1, false);
Assert.AreEqual(0xfc, memory.GetBytes(0, 1)[0]);
memory.SetBit(7, false);
Assert.AreEqual(0x7c, memory.GetBytes(0, 1)[0]);
memory.SetBit(8, false);
Assert.AreEqual(0xfe, memory.GetBytes(1, 1)[0]);
memory.SetBit(9, false);
Assert.AreEqual(0xfc, memory.GetBytes(1, 1)[0]);
}
public void SetBitsToOne()
{
ByteMemory memory = new ByteMemory();
memory.SetBit(0, true);
Assert.AreEqual(0x01, memory.GetBytes(0, 1)[0]);
memory.SetBit(1, true);
Assert.AreEqual(0x03, memory.GetBytes(0, 1)[0]);
memory.SetBit(7, true);
Assert.AreEqual(0x83, memory.GetBytes(0, 1)[0]);
memory.SetBit(8, true);
Assert.AreEqual(0x01, memory.GetBytes(1, 1)[0]);
memory.SetBit(9, true);
Assert.AreEqual(0x03, memory.GetBytes(1, 1)[0]);
}
public void SetAndGetOneHundredBytes()
{
byte[] values = new byte[100];
for (int k = 0; k < values.Length; k++)
values[k] = (byte) k;
ByteMemory bytememory = new ByteMemory(1000);
bytememory.SetBytes(10, values);
byte[] result = bytememory.GetBytes(10, values.Length);
Assert.IsNotNull(result);
Assert.AreEqual(100, result.Length);
for (int k = 0; k < values.Length; k++)
Assert.AreEqual(values[k], result[k]);
}
public void SetAndGetOneByte()
{
ByteMemory bytememory = new ByteMemory();
bytememory.SetBytes(10, new byte[] { (byte) 16 });
byte[] result = bytememory.GetBytes(10, 1);
Assert.IsNotNull(result);
Assert.AreEqual(1, result.Length);
Assert.AreEqual(16, result[0]);
}