public void LookBehindPool_PrimitiveType_OutOfRangeIndexThrowsAnException()
{
//Arrange
var floatPool = new PrimitiveTypePool(10);
floatPool.Write(1);
//Act & Assert
Assert.ThrowsException<IndexOutOfRangeException>(() => floatPool[1]);
}
public void LookBehindPool_PrimitiveType_Constructor_Works()
{
//Arrange & Act
int capacity = 10;
var numberPool = new PrimitiveTypePool(capacity);
//Assert
Assert.IsNotNull(numberPool.Length == 0);
Assert.IsNotNull(numberPool.Capacity == capacity);
}
public void Bookmark_Constructor_Works()
{
//Arrange
PrimitiveTypePool pool = new PrimitiveTypePool(10);
//Act
Bookmark <double> bm = new Bookmark <double>(pool);
//Assert
Assert.AreEqual(0, bm.Sequence);
Assert.AreEqual(0, bm.Length);
Assert.AreEqual(0, bm.Position);
}
public void LookBehindPool_PrimitiveType_Write_Works()
{
//Arrange
var poolValue = 45;
var stringPool = new PrimitiveTypePool(10);
//Act
stringPool.Write(poolValue);
//Assert
Assert.AreEqual(stringPool.Length, 1);
Assert.AreEqual(stringPool[0], poolValue);
Assert.AreEqual(stringPool.Current, poolValue);
}
public void LookBehindPool_PrimitiveType_WriteRollover_Works()
{
//Arrange
var boolPool = new PrimitiveTypePool(2);
//Act
boolPool.Write(1);
boolPool.Write(1);
boolPool.Write(0);
//Assert
Assert.AreEqual(boolPool[0], 0);
Assert.AreEqual(boolPool.Previous, 1);
Assert.AreEqual(boolPool.Length, 2);
}
public void Bookmark_Indexer_ExpirationThrowsAnException()
{
//Arrange
PrimitiveTypePool pool = new PrimitiveTypePool(3);
pool.Write(1);
pool.Write(2);
pool.Write(3);
Bookmark <double> bm = new Bookmark <double>(pool);
//Act
pool.Write(4);
pool.Write(5);
//Assert
Assert.ThrowsException <Exception>(() => bm[1]);
}
public void Bookmark_Previous_BeforeExpirationWorks()
{
//Arrange
PrimitiveTypePool pool = new PrimitiveTypePool(3);
pool.Write(1);
pool.Write(2);
pool.Write(3);
Bookmark <double> bm = new Bookmark <double>(pool);
Assert.AreEqual(3, bm.Current);
//Act
pool.Write(4);
//Assert
Assert.AreEqual(2, bm.Previous);
}
public void Bookmark_Current_MatchesSourcePoolAfterSubsequentWrites()
{
//Arrange
PrimitiveTypePool pool = new PrimitiveTypePool(10);
pool.Write(1);
pool.Write(2);
pool.Write(3);
Bookmark <double> bm = new Bookmark <double>(pool);
//Act
pool.Write(4);
pool.Write(5);
pool.Write(6);
//Assert
Assert.AreEqual(6, pool.Current);
Assert.AreEqual(3, bm.Current);
Assert.AreEqual(2, bm.Previous);
Assert.AreEqual(3, bm[0]);
}
