public void EnsureAvailableSpaceUpToLimitTest()
{
MultiArrayBuffer buffer = new MultiArrayBuffer(0);
Assert.Equal(0, buffer.ActiveMemory.Length);
Assert.Equal(0, buffer.AvailableMemory.Length);
buffer.EnsureAvailableSpaceUpToLimit(0, 0);
Assert.Equal(0, buffer.AvailableMemory.Length);
buffer.EnsureAvailableSpaceUpToLimit(0, 1);
Assert.Equal(0, buffer.AvailableMemory.Length);
buffer.EnsureAvailableSpaceUpToLimit(1, 0);
Assert.Equal(0, buffer.AvailableMemory.Length);
buffer.EnsureAvailableSpaceUpToLimit(1, 1);
Assert.Equal(BlockSize, buffer.AvailableMemory.Length);
buffer.EnsureAvailableSpaceUpToLimit(1, 2);
Assert.Equal(BlockSize, buffer.AvailableMemory.Length);
buffer.EnsureAvailableSpaceUpToLimit(BlockSize, 0);
Assert.Equal(BlockSize, buffer.AvailableMemory.Length);
buffer.EnsureAvailableSpaceUpToLimit(BlockSize + 1, 0);
Assert.Equal(BlockSize, buffer.AvailableMemory.Length);
buffer.EnsureAvailableSpaceUpToLimit(BlockSize, BlockSize);
Assert.Equal(BlockSize, buffer.AvailableMemory.Length);
buffer.EnsureAvailableSpaceUpToLimit(BlockSize + 1, BlockSize);
Assert.Equal(BlockSize, buffer.AvailableMemory.Length);
buffer.EnsureAvailableSpaceUpToLimit(BlockSize + 1, BlockSize + 1);
Assert.Equal(BlockSize * 2, buffer.AvailableMemory.Length);
buffer.Commit(2);
buffer.Discard(1);
Assert.Equal(1, buffer.ActiveMemory.Length);
Assert.Equal(BlockSize * 2 - 2, buffer.AvailableMemory.Length);
buffer.EnsureAvailableSpaceUpToLimit(BlockSize * 2 - 2, BlockSize * 2 - 3);
Assert.Equal(BlockSize * 2 - 2, buffer.AvailableMemory.Length);
buffer.EnsureAvailableSpaceUpToLimit(BlockSize * 2 - 2, BlockSize * 2 - 2);
Assert.Equal(BlockSize * 2 - 2, buffer.AvailableMemory.Length);
buffer.EnsureAvailableSpaceUpToLimit(BlockSize * 2 - 2, BlockSize * 2 - 1);
Assert.Equal(BlockSize * 2 - 2, buffer.AvailableMemory.Length);
buffer.EnsureAvailableSpaceUpToLimit(BlockSize * 2 - 1, BlockSize * 2 - 1);
Assert.Equal(BlockSize * 2 - 2, buffer.AvailableMemory.Length);
buffer.EnsureAvailableSpaceUpToLimit(BlockSize * 2 - 1, BlockSize * 2);
Assert.Equal(BlockSize * 3 - 2, buffer.AvailableMemory.Length);
}
