From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:54:28 +0200 Subject: Adding upstream version 18.2.2. Signed-off-by: Daniel Baumann --- src/test/osd/TestECBackend.cc | 62 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 src/test/osd/TestECBackend.cc (limited to 'src/test/osd/TestECBackend.cc') diff --git a/src/test/osd/TestECBackend.cc b/src/test/osd/TestECBackend.cc new file mode 100644 index 000000000..1c13fb4c9 --- /dev/null +++ b/src/test/osd/TestECBackend.cc @@ -0,0 +1,62 @@ +// -*- 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 +#include +#include +#include +#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)); +} + -- cgit v1.2.3