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monero/tests/unit_tests/lmdb.cpp

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// Copyright (c) 2014-2018, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <boost/range/algorithm_ext/iota.hpp>
#include <boost/range/algorithm/equal.hpp>
#include <gtest/gtest.h>
#include "lmdb/database.h"
#include "lmdb/table.h"
#include "lmdb/transaction.h"
#include "lmdb/util.h"
namespace
{
enum class choice : unsigned {};
enum class big_choice : unsigned long {};
struct bytes {
char data[16];
};
MONERO_CURSOR(test_cursor);
template<typename T>
int run_compare(T left, T right, MDB_cmp_func* cmp)
{
MDB_val left_val = lmdb::to_val(left);
MDB_val right_val = lmdb::to_val(right);
return (*cmp)(&left_val, &right_val);
}
}
TEST(LMDB, Traits)
{
EXPECT_TRUE((std::is_same<void, lmdb::identity<void>::type>()));
EXPECT_TRUE((std::is_same<unsigned, lmdb::identity<unsigned>::type>()));
EXPECT_TRUE((std::is_same<void, lmdb::native_type<void>>()));
EXPECT_TRUE((std::is_same<unsigned, lmdb::native_type<unsigned>>()));
EXPECT_TRUE((std::is_same<unsigned, lmdb::native_type<choice>>()));
EXPECT_TRUE((std::is_same<unsigned long, lmdb::native_type<big_choice>>()));
}
TEST(LMDB, ToNative)
{
enum class negative_choice : int {};
EXPECT_TRUE((std::is_same<unsigned, decltype(lmdb::to_native(choice(0)))>()));
EXPECT_TRUE(
(std::is_same<unsigned long, decltype(lmdb::to_native(big_choice(0)))>())
);
EXPECT_TRUE(
(std::is_same<int, decltype(lmdb::to_native(negative_choice(0)))>())
);
EXPECT_EQ(unsigned(0), lmdb::to_native(choice(0)));
EXPECT_EQ(unsigned(0xffffffff), lmdb::to_native(choice(0xffffffff)));
EXPECT_EQ(-1, lmdb::to_native(negative_choice(-1)));
// test constexpr
static_assert(100 == lmdb::to_native(choice(100)), "to_native failed");
static_assert(-100 == lmdb::to_native(negative_choice(-100)), "to_native failed");
}
TEST(LMDB, Conversions)
{
struct one
{
big_choice i;
choice j;
};
const one test{big_choice(100), choice(95)};
one test2{big_choice(1000), choice(950)};
EXPECT_EQ(&test, lmdb::to_val(test).mv_data);
EXPECT_NE(&test2, lmdb::to_val(test).mv_data);
EXPECT_EQ(
&test,
static_cast<const void*>(lmdb::to_byte_span(lmdb::to_val(test)).begin())
);
EXPECT_EQ(sizeof(test), lmdb::to_val(test).mv_size);
EXPECT_EQ(sizeof(test), lmdb::to_byte_span(lmdb::to_val(test)).size());
EXPECT_EQ(&test2, lmdb::to_val(test2).mv_data);
EXPECT_NE(&test, lmdb::to_val(test2).mv_data);
EXPECT_EQ(
&test2,
static_cast<const void*>(lmdb::to_byte_span(lmdb::to_val(test2)).begin())
);
EXPECT_EQ(sizeof(test2), lmdb::to_val(test2).mv_size);
EXPECT_EQ(sizeof(test2), lmdb::to_byte_span(lmdb::to_val(test2)).size());
}
TEST(LMDB, LessSort)
{
struct one
{
unsigned i;
unsigned j;
};
struct two
{
unsigned i;
choice j;
};
EXPECT_EQ(0, run_compare(0u, 0u, &lmdb::less<unsigned>));
EXPECT_EQ(-1, run_compare(0u, 1u, &lmdb::less<unsigned>));
EXPECT_EQ(1, run_compare(1u, 0u, &lmdb::less<unsigned>));
EXPECT_EQ(0, run_compare<one>({0, 1}, {0, 1}, &lmdb::less<unsigned, sizeof(unsigned)>));
EXPECT_EQ(-1, run_compare<one>({0, 0}, {0, 1}, &lmdb::less<unsigned, sizeof(unsigned)>));
EXPECT_EQ(1, run_compare<one>({0, 1}, {0, 0}, &lmdb::less<unsigned, sizeof(unsigned)>));
EXPECT_EQ(0, run_compare<one>({0, 1}, {0, 1}, MONERO_SORT_BY(one, j)));
EXPECT_EQ(-1, run_compare<one>({0, 0}, {0, 1}, MONERO_SORT_BY(one, j)));
EXPECT_EQ(1, run_compare<one>({0, 1}, {0, 0}, MONERO_SORT_BY(one, j)));
EXPECT_EQ(0, run_compare<two>({0, choice(1)}, {0, choice(1)}, MONERO_SORT_BY(two, j)));
EXPECT_EQ(-1, run_compare<two>({0, choice(0)}, {0, choice(1)}, MONERO_SORT_BY(two, j)));
EXPECT_EQ(1, run_compare<two>({0, choice(1)}, {0, choice(0)}, MONERO_SORT_BY(two, j)));
// compare function addresses
EXPECT_EQ((MONERO_SORT_BY(one, i)), (MONERO_SORT_BY(two, i)));
EXPECT_EQ((MONERO_SORT_BY(one, j)), (MONERO_SORT_BY(two, j)));
EXPECT_NE((MONERO_SORT_BY(one, i)), (MONERO_SORT_BY(two, j)));
EXPECT_NE((MONERO_SORT_BY(one, j)), (MONERO_SORT_BY(two, i)));
}
TEST(LMDB, SortCompare)
{
struct one
{
unsigned i;
bytes j;
};
one test{55};
boost::iota(test.j.data, 10);
const one test2 = test;
EXPECT_EQ(0, run_compare(test, test2, MONERO_COMPARE(one, j)));
test.j.data[15] = 1;
EXPECT_GT(0, run_compare(test, test2, MONERO_COMPARE(one, j)));
test.j.data[15] = 100;
EXPECT_LT(0, run_compare(test, test2, MONERO_COMPARE(one, j)));
}
TEST(LMDB, Table)
{
struct one
{
bytes i;
bytes j;
};
constexpr lmdb::basic_table<choice, bytes> test{"foo"};
EXPECT_STREQ("foo", test.name);
static_assert(test.flags == 0, "bad flags");
static_assert(&lmdb::less<unsigned> == test.key_cmp, "bad key_cmp");
static_assert(test.value_cmp == nullptr, "bad value_cmp");
EXPECT_TRUE(test.get_value<bytes>(MDB_val{}).matches(std::errc::invalid_argument));
lmdb::basic_table<big_choice, one> test2{
"foo2", MDB_DUPSORT, &lmdb::compare<one>
};
EXPECT_STREQ("foo2", test2.name);
EXPECT_EQ((MDB_DUPSORT | MDB_DUPFIXED), test2.flags);
EXPECT_EQ(&lmdb::less<unsigned long>, test2.key_cmp);
EXPECT_EQ(&lmdb::compare<one>, test2.value_cmp);
EXPECT_TRUE(test2.get_value<one>(MDB_val{}).matches(std::errc::invalid_argument));
one record{};
boost::iota(record.i.data, 0);
boost::iota(record.i.data, 20);
const one record_copy = MONERO_UNWRAP(test2.get_value<one>(lmdb::to_val(record)));
EXPECT_TRUE(boost::equal(record.i.data, record_copy.i.data));
EXPECT_TRUE(boost::equal(record.j.data, record_copy.j.data));
const bytes j_copy = MONERO_UNWRAP(
test2.get_value<MONERO_FIELD(one, j)>(lmdb::to_val(record))
);
EXPECT_TRUE(boost::equal(record.j.data, j_copy.data));
EXPECT_TRUE(
test.get_key_stream(test_cursor{}).matches(std::errc::invalid_argument)
);
EXPECT_TRUE(
test2.get_key_stream(test_cursor{}).matches(std::errc::invalid_argument)
);
EXPECT_TRUE(
test.get_value_stream(choice(0), test_cursor{}).matches(std::errc::invalid_argument)
);
EXPECT_TRUE(
test2.get_value_stream(big_choice(0), test_cursor{}).matches(std::errc::invalid_argument)
);
}
TEST(LMDB, InvalidDatabase)
{
lmdb::database test{lmdb::environment{}};
EXPECT_TRUE(test.resize().matches(std::errc::invalid_argument));
EXPECT_TRUE(test.create_read_txn().matches(std::errc::invalid_argument));
EXPECT_TRUE(test.reset_txn(lmdb::read_txn{}).matches(std::errc::invalid_argument));
EXPECT_TRUE(test.create_write_txn().matches(std::errc::invalid_argument));
EXPECT_TRUE(test.commit(lmdb::write_txn{}).matches(std::errc::invalid_argument));
EXPECT_TRUE(
test.try_write( [](MDB_txn&) { return success(); } ).matches(std::errc::invalid_argument)
);
}
TEST(LMDB, InvalidValueStream)
{
struct one
{
choice i;
choice j;
bytes k;
};
lmdb::value_stream<one, close_test_cursor> test{test_cursor{}};
EXPECT_TRUE((std::is_same<one, decltype(*(test.make_iterator()))>()));
EXPECT_TRUE((std::is_same<one, decltype(*(test.make_range().begin()))>()));
EXPECT_TRUE(
(std::is_same<bytes, decltype(*(test.make_iterator<MONERO_FIELD(one, k)>()))>())
);
EXPECT_TRUE(
(std::is_same<bytes, decltype(*(test.make_range<MONERO_FIELD(one, k)>().begin()))>())
);
EXPECT_NO_THROW(test.reset());
EXPECT_EQ(0u, test.count());
EXPECT_TRUE(test.make_iterator().is_end());
EXPECT_TRUE(test.make_range().empty());
EXPECT_EQ(nullptr, test.give_cursor());
EXPECT_EQ(0u, test.count());
EXPECT_TRUE(test.make_iterator().is_end());
EXPECT_TRUE(test.make_range().empty());
EXPECT_EQ(nullptr, test.give_cursor());
}
TEST(LMDB, InvalidValueIterator)
{
struct one
{
choice i;
choice j;
bytes k;
};
lmdb::value_iterator<one> test1{};
EXPECT_TRUE((std::is_same<one, decltype(*test1)>()));
EXPECT_TRUE(
(std::is_same<bytes, decltype(test1.get_value<MONERO_FIELD(one, k)>())>())
);
EXPECT_TRUE(test1.is_end());
EXPECT_NO_THROW(++test1);
EXPECT_NO_THROW(test1++);
EXPECT_TRUE(test1.is_end());
lmdb::value_iterator<one> test2{nullptr};
EXPECT_TRUE(test2.is_end());
EXPECT_NO_THROW(++test2);
EXPECT_NO_THROW(test2++);
EXPECT_TRUE(test2.is_end());
EXPECT_TRUE(test1.equal(test2));
EXPECT_TRUE(test2.equal(test1));
EXPECT_TRUE(test1 == test2);
EXPECT_TRUE(test2 == test1);
EXPECT_FALSE(test1 != test2);
EXPECT_FALSE(test2 != test1);
lmdb::value_iterator<MONERO_FIELD(one, k)> test3{};
EXPECT_TRUE((std::is_same<bytes, decltype(*test3)>()));
EXPECT_TRUE((std::is_same<one, decltype(test3.get_value<one>())>()));
EXPECT_TRUE(
(std::is_same<choice, decltype(test1.get_value<MONERO_FIELD(one, j)>())>())
);
EXPECT_TRUE(test3.is_end());
EXPECT_NO_THROW(++test3);
EXPECT_NO_THROW(test3++);
EXPECT_TRUE(test3.is_end());
}
TEST(LMDB, InvalidKeyStream)
{
struct one
{
choice i;
choice j;
bytes k;
};
using record = std::pair<choice, boost::iterator_range<lmdb::value_iterator<one>>>;
lmdb::key_stream<choice, one, close_test_cursor> test{test_cursor{}};
EXPECT_TRUE((std::is_same<record, decltype(*(test.make_iterator()))>()));
EXPECT_TRUE((std::is_same<record, decltype(*(test.make_range().begin()))>()));
EXPECT_NO_THROW(test.reset());
EXPECT_TRUE(test.make_iterator().is_end());
EXPECT_TRUE(test.make_range().empty());
EXPECT_EQ(nullptr, test.give_cursor());
EXPECT_TRUE(test.make_iterator().is_end());
EXPECT_TRUE(test.make_range().empty());
EXPECT_EQ(nullptr, test.give_cursor());
}
TEST(LMDB, InvalidKeyIterator)
{
struct one
{
choice i;
choice j;
bytes k;
};
using record = std::pair<choice, boost::iterator_range<lmdb::value_iterator<one>>>;
lmdb::key_iterator<choice, one> test1{};
EXPECT_TRUE((std::is_same<record, decltype(*test1)>()));
EXPECT_TRUE((std::is_same<choice, decltype(test1.get_key())>()));
EXPECT_TRUE((std::is_same<one, decltype(*(test1.make_value_iterator()))>()));
EXPECT_TRUE((std::is_same<one, decltype(*(test1.make_value_range().begin()))>()));
EXPECT_TRUE(
(std::is_same<bytes, decltype(*(test1.make_value_iterator<MONERO_FIELD(one, k)>()))>())
);
EXPECT_TRUE(
(std::is_same<bytes, decltype(*(test1.make_value_range<MONERO_FIELD(one, k)>().begin()))>())
);
EXPECT_TRUE(test1.is_end());
EXPECT_NO_THROW(++test1);
EXPECT_NO_THROW(test1++);
EXPECT_TRUE(test1.is_end());
EXPECT_TRUE(test1.make_value_iterator().is_end());
EXPECT_TRUE(test1.make_value_range().empty());
lmdb::key_iterator<choice, one> test2{nullptr};
EXPECT_TRUE(test2.is_end());
EXPECT_NO_THROW(++test2);
EXPECT_NO_THROW(test2++);
EXPECT_TRUE(test2.is_end());
EXPECT_TRUE(test2.make_value_iterator().is_end());
EXPECT_TRUE(test2.make_value_range().empty());
EXPECT_TRUE(test1.equal(test2));
EXPECT_TRUE(test2.equal(test1));
EXPECT_TRUE(test1 == test2);
EXPECT_TRUE(test2 == test1);
EXPECT_FALSE(test1 != test2);
EXPECT_FALSE(test2 != test1);
}
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