166 lines
4.1 KiB
C++
166 lines
4.1 KiB
C++
// Copyright (C) 2013 Red Hat, Inc. All rights reserved.
|
|
//
|
|
// This file is part of the thin-provisioning-tools source.
|
|
//
|
|
// thin-provisioning-tools is free software: you can redistribute it
|
|
// and/or modify it under the terms of the GNU General Public License
|
|
// as published by the Free Software Foundation, either version 3 of
|
|
// the License, or (at your option) any later version.
|
|
//
|
|
// thin-provisioning-tools is distributed in the hope that it will be
|
|
// useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
|
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License along
|
|
// with thin-provisioning-tools. If not, see
|
|
// <http://www.gnu.org/licenses/>.
|
|
|
|
#include "gmock/gmock.h"
|
|
#include "persistent-data/transaction_manager.h"
|
|
#include "persistent-data/space-maps/core.h"
|
|
#include "persistent-data/data-structures/array.h"
|
|
|
|
#include <vector>
|
|
|
|
using namespace std;
|
|
using namespace persistent_data;
|
|
using namespace testing;
|
|
|
|
//----------------------------------------------------------------
|
|
|
|
namespace {
|
|
block_address const NR_BLOCKS = 102400;
|
|
typedef persistent_data::array<uint64_traits> array64;
|
|
|
|
transaction_manager::ptr
|
|
create_tm() {
|
|
block_manager<>::ptr bm(new block_manager<>("./test.data", NR_BLOCKS, 4, block_io<>::READ_WRITE));
|
|
space_map::ptr sm(new core_map(NR_BLOCKS));
|
|
transaction_manager::ptr tm(new transaction_manager(bm, sm));
|
|
return tm;
|
|
}
|
|
|
|
typename array64::ptr
|
|
create_array(unsigned nr_entries, uint64_t default_value) {
|
|
uint64_traits::ref_counter rc;
|
|
|
|
typename array64::ptr a(new array64(create_tm(), rc));
|
|
|
|
if (nr_entries)
|
|
a->grow(nr_entries, default_value);
|
|
|
|
return a;
|
|
}
|
|
|
|
typename array64::ptr
|
|
open_array(block_address root, unsigned nr_entries) {
|
|
uint64_traits::ref_counter rc;
|
|
|
|
typename array64::ptr a(new array64(create_tm(), rc, root, nr_entries));
|
|
return a;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------
|
|
|
|
TEST(ArrayTests, can_create_an_empty_array)
|
|
{
|
|
persistent_data::array<uint64_traits>::ptr tree = create_array(0, 0);
|
|
ASSERT_THROW(tree->get(0), runtime_error);
|
|
}
|
|
|
|
TEST(ArrayTests, get_elements)
|
|
{
|
|
unsigned const COUNT = 10000;
|
|
persistent_data::array<uint64_traits>::ptr tree = create_array(COUNT, 123);
|
|
|
|
for (unsigned i = 0; i < COUNT; i++)
|
|
ASSERT_THAT(tree->get(i), Eq(123u));
|
|
|
|
ASSERT_THROW(tree->get(COUNT), runtime_error);
|
|
}
|
|
|
|
TEST(ArrayTests, set_elements)
|
|
{
|
|
unsigned const COUNT = 10000;
|
|
persistent_data::array<uint64_traits>::ptr tree = create_array(COUNT, 123);
|
|
|
|
for (unsigned i = 0; i < COUNT; i++)
|
|
tree->set(i, 124);
|
|
|
|
for (unsigned i = 0; i < COUNT; i++)
|
|
ASSERT_THAT(tree->get(i), Eq(124u));
|
|
|
|
ASSERT_THROW(tree->get(COUNT), runtime_error);
|
|
}
|
|
|
|
template <typename T, unsigned size>
|
|
unsigned array_size(T (&)[size]) {
|
|
return size;
|
|
}
|
|
|
|
TEST(ArrayTests, grow)
|
|
{
|
|
unsigned const COUNT = 10000;
|
|
unsigned const STEPS[] = {
|
|
17, 71, 137, 277, 439, 683, 967
|
|
};
|
|
|
|
for (unsigned s = 0; s < array_size(STEPS); s++) {
|
|
|
|
unsigned step = STEPS[s];
|
|
|
|
vector<unsigned> chunks;
|
|
for (unsigned c = 0; c < COUNT; c += step)
|
|
chunks.push_back(c);
|
|
chunks.push_back(COUNT);
|
|
|
|
persistent_data::array<uint64_traits>::ptr a = create_array(0, 123);
|
|
|
|
for (unsigned i = 1; i < chunks.size(); i++) {
|
|
if (i > 1)
|
|
ASSERT_THAT(a->get(chunks[i - 1] - 1), Eq(i - 1));
|
|
|
|
a->grow(chunks[i], i);
|
|
|
|
if (i > 1)
|
|
ASSERT_THAT(a->get(chunks[i - 1] - 1), Eq(i - 1));
|
|
|
|
for (unsigned j = chunks[i - 1]; j < chunks[i]; j++)
|
|
ASSERT_THAT(a->get(j), Eq(i));
|
|
|
|
ASSERT_THROW(a->get(chunks[i] + 1), runtime_error);
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST(ArrayTests, reopen_array)
|
|
{
|
|
unsigned const COUNT = 10000;
|
|
block_address root;
|
|
|
|
{
|
|
typename array64::ptr a = create_array(COUNT, 123);
|
|
|
|
for (unsigned i = 0; i < COUNT; i += 7)
|
|
a->set(i, 234);
|
|
|
|
root = a->get_root();
|
|
}
|
|
|
|
{
|
|
typename array64::ptr a = open_array(root, COUNT);
|
|
|
|
for (unsigned i = 0; i < COUNT; i++)
|
|
ASSERT_THAT(a->get(i), Eq(i % 7 ? 123u : 234u));
|
|
}
|
|
}
|
|
|
|
TEST(Array_Tests, destroy)
|
|
{
|
|
// FIXME: pending
|
|
}
|
|
|
|
//----------------------------------------------------------------
|