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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2013 Inktank Storage, Inc.
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include <iostream>
#include <sstream>
#include <errno.h>
#include <signal.h>
#include "osd/ECBackend.h"
#include "gtest/gtest.h"
using namespace std;
TEST(ECUtil, stripe_info_t)
{
const uint64_t swidth = 4096;
const uint64_t ssize = 4;
ECUtil::stripe_info_t s(ssize, swidth);
ASSERT_EQ(s.get_stripe_width(), swidth);
ASSERT_EQ(s.logical_to_next_chunk_offset(0), 0u);
ASSERT_EQ(s.logical_to_next_chunk_offset(1), s.get_chunk_size());
ASSERT_EQ(s.logical_to_next_chunk_offset(swidth - 1),
s.get_chunk_size());
ASSERT_EQ(s.logical_to_prev_chunk_offset(0), 0u);
ASSERT_EQ(s.logical_to_prev_chunk_offset(swidth), s.get_chunk_size());
ASSERT_EQ(s.logical_to_prev_chunk_offset((swidth * 2) - 1),
s.get_chunk_size());
ASSERT_EQ(s.logical_to_next_stripe_offset(0), 0u);
ASSERT_EQ(s.logical_to_next_stripe_offset(swidth - 1),
s.get_stripe_width());
ASSERT_EQ(s.logical_to_prev_stripe_offset(swidth), s.get_stripe_width());
ASSERT_EQ(s.logical_to_prev_stripe_offset(swidth), s.get_stripe_width());
ASSERT_EQ(s.logical_to_prev_stripe_offset((swidth * 2) - 1),
s.get_stripe_width());
ASSERT_EQ(s.aligned_logical_offset_to_chunk_offset(2*swidth),
2*s.get_chunk_size());
ASSERT_EQ(s.aligned_chunk_offset_to_logical_offset(2*s.get_chunk_size()),
2*s.get_stripe_width());
ASSERT_EQ(s.aligned_offset_len_to_chunk(make_pair(swidth, 10*swidth)),
make_pair(s.get_chunk_size(), 10*s.get_chunk_size()));
ASSERT_EQ(s.offset_len_to_stripe_bounds(make_pair(swidth-10, (uint64_t)20)),
make_pair((uint64_t)0, 2*swidth));
}
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