public void ExtendTo()
{
BlockArray blocks;
blocks = new BlockArray();
blocks.ExtendTo(1);
Assert.Equal(blocks.BlockSize, blocks.Size);
Assert.Single(blocks.GetBlocks());
blocks.ExtendTo(blocks.BlockSize / 2);
Assert.Equal(blocks.BlockSize, blocks.Size);
Assert.Single(blocks.GetBlocks());
Assert.Equal(blocks.BlockSize, blocks.GetBlocks()[0].Length);
blocks.ExtendTo(blocks.BlockSize + 1);
Assert.Equal(blocks.BlockSize * 2, blocks.Size);
Assert.Equal(2, blocks.GetBlocks().Length);
Assert.Equal(blocks.BlockSize, blocks.GetBlocks()[0].Length);
Assert.Equal(blocks.BlockSize, blocks.GetBlocks()[1].Length);
}
public void TruncateTo()
{
BlockArray blocks;
blocks = new BlockArray();
blocks.TruncateTo(0);
Assert.Equal(0, blocks.Size);
Assert.Empty(blocks.GetBlocks());
blocks.ExtendTo(1);
blocks.TruncateTo(1);
Assert.Equal(blocks.BlockSize, blocks.Size);
Assert.Single(blocks.GetBlocks());
blocks.TruncateTo(1000000);
blocks.TruncateTo(1);
Assert.Equal(blocks.BlockSize, blocks.Size);
Assert.Single(blocks.GetBlocks());
blocks.TruncateTo(0);
Assert.Equal(0, blocks.Size);
Assert.Empty(blocks.GetBlocks());
blocks.ExtendTo(blocks.BlockSize * 4);
blocks.GetBlocks()[0].Buffer[0] = 0;
blocks.GetBlocks()[1].Buffer[0] = 1;
blocks.GetBlocks()[2].Buffer[0] = 2;
blocks.GetBlocks()[3].Buffer[0] = 3;
blocks.TruncateTo(blocks.BlockSize * 3);
Assert.Equal(blocks.BlockSize * 3, blocks.Size);
Assert.Equal(3, blocks.GetBlocks().Length);
Assert.Equal(0, blocks.GetBlocks()[0].Buffer[0]);
Assert.Equal(1, blocks.GetBlocks()[1].Buffer[0]);
Assert.Equal(2, blocks.GetBlocks()[2].Buffer[0]);
blocks.TruncateTo(blocks.BlockSize * 2 + 1);
Assert.Equal(blocks.BlockSize * 3, blocks.Size);
Assert.Equal(3, blocks.GetBlocks().Length);
Assert.Equal(0, blocks.GetBlocks()[0].Buffer[0]);
Assert.Equal(1, blocks.GetBlocks()[1].Buffer[0]);
Assert.Equal(2, blocks.GetBlocks()[2].Buffer[0]);
blocks.TruncateTo(blocks.BlockSize);
Assert.Equal(blocks.BlockSize, blocks.Size);
Assert.Single(blocks.GetBlocks());
Assert.Equal(0, blocks.GetBlocks()[0].Buffer[0]);
}