database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-04-20 09:07:44 +03:00
Code
mariadb-columnstore-engine/tests/mcs_decimal-tests.cpp

1596 lines
43 KiB
C++
Raw Permalink Blame History

/* Copyright (C) 2020 MariaDB Corporation
This program 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; version 2 of
the License.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#include <cstdint>
#include "gtest/gtest.h"
#include "treenode.h"
#include "mcs_decimal.h"
#include "dataconvert.h"
TEST(Decimal, compareCheckInt64)
{
// remainder-based checks
// Equality checks
// l value = r value, L scale = R scale
{
datatypes::Decimal l(420, 10, 18);
datatypes::Decimal r(420, 10, 18);
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// l value > r value, L scale < R scale
{
datatypes::Decimal l(420, 11, 18);
datatypes::Decimal r(42, 10, 18);
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// l value < r value, L scale > R scale
{
datatypes::Decimal l(42, 10, 18);
datatypes::Decimal r(420, 11, 18);
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// Inequality checks
// l value = r value, L scale < R scale
{
datatypes::Decimal l(42, 10, 18);
datatypes::Decimal r(42, 13, 18);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value = r value, L scale < R scale
{
datatypes::Decimal l(42, 13, 18);
datatypes::Decimal r(42, 10, 18);
EXPECT_FALSE(l > r);
EXPECT_FALSE(l >= r);
EXPECT_FALSE(l == r);
}
// l value > r value, L scale > R scale
{
datatypes::Decimal l(420, 13, 18);
datatypes::Decimal r(42, 10, 18);
EXPECT_FALSE(l > r);
EXPECT_FALSE(l >= r);
EXPECT_FALSE(l == r);
}
// l value > r value, L scale < R scale
{
datatypes::Decimal l(4200, 11, 18);
datatypes::Decimal r(42, 12, 18);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value < r value, L scale < R scale
{
datatypes::Decimal l(99, 10, 18);
datatypes::Decimal r(420, 11, 18);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value < r value, L scale < R scale
{
datatypes::Decimal l(42, 10, 18);
datatypes::Decimal r(420, 13, 18);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// quotinent-based checks
// l value = r value, L scale = R scale
{
datatypes::Decimal l(420, 1, 18);
datatypes::Decimal r(420, 1, 18);
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// l value > r value, L scale < R scale
{
datatypes::Decimal l(4200, 2, 18);
datatypes::Decimal r(420, 1, 18);
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// l value < r value, L scale > R scale
{
datatypes::Decimal l(42, 0, 18);
datatypes::Decimal r(420, 1, 18);
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// Inequality checks
// l value = r value, L scale < R scale
{
datatypes::Decimal l(42000, 0, 18);
datatypes::Decimal r(42000, 3, 18);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value = r value, L scale < R scale
{
datatypes::Decimal l(420000, 3, 18);
datatypes::Decimal r(420000, 0, 18);
EXPECT_FALSE(l > r);
EXPECT_FALSE(l >= r);
EXPECT_FALSE(l == r);
}
// l value > r value, L scale > R scale
{
datatypes::Decimal l(420000, 3, 18);
datatypes::Decimal r(42000, 0, 18);
EXPECT_FALSE(l > r);
EXPECT_FALSE(l >= r);
EXPECT_FALSE(l == r);
}
// l value > r value, L scale < R scale
{
datatypes::Decimal l(420000, 1, 18);
datatypes::Decimal r(4200, 2, 18);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value < r value, L scale < R scale
{
datatypes::Decimal l(990, 0, 18);
datatypes::Decimal r(4200, 1, 18);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value < r value, L scale < R scale
{
datatypes::Decimal l(420, 0, 18);
datatypes::Decimal r(4200, 3, 18);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
}
TEST(Decimal, compareCheckInt128)
{
// remainer-based checks
// Equality checks
// l value = r value, L scale = R scale
{
datatypes::Decimal l(datatypes::TSInt128(420), 20, 38);
datatypes::Decimal r(datatypes::TSInt128(420), 20, 38);
EXPECT_EQ(0, datatypes::Decimal::compare(l, r));
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// l value > r value, L scale < R scale
{
datatypes::Decimal l(datatypes::TSInt128(420), 21, 38);
datatypes::Decimal r(datatypes::TSInt128(42), 20, 38);
EXPECT_EQ(0, datatypes::Decimal::compare(l, r));
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// l value < r value, L scale > R scale
{
datatypes::Decimal l(datatypes::TSInt128(42), 20, 38);
datatypes::Decimal r(datatypes::TSInt128(420), 21, 38);
EXPECT_EQ(0, datatypes::Decimal::compare(l, r));
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// Inequality checks
// l value = r value, L scale < R scale
{
datatypes::Decimal l(datatypes::TSInt128(42), 20, 38);
datatypes::Decimal r(datatypes::TSInt128(42), 23, 38);
EXPECT_EQ(1, datatypes::Decimal::compare(l, r));
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value = r value, L scale < R scale
{
datatypes::Decimal l(datatypes::TSInt128(42), 23, 38);
datatypes::Decimal r(datatypes::TSInt128(42), 20, 38);
EXPECT_EQ(-1, datatypes::Decimal::compare(l, r));
EXPECT_FALSE(l > r);
EXPECT_FALSE(l >= r);
EXPECT_FALSE(l == r);
}
// l value > r value, L scale > R scale
{
datatypes::Decimal l(datatypes::TSInt128(420), 23, 38);
datatypes::Decimal r(datatypes::TSInt128(42), 20, 38);
EXPECT_EQ(-1, datatypes::Decimal::compare(l, r));
EXPECT_FALSE(l > r);
EXPECT_FALSE(l >= r);
EXPECT_FALSE(l == r);
}
// l value > r value, L scale < R scale
{
datatypes::Decimal l(datatypes::TSInt128(4200), 21, 38);
datatypes::Decimal r(datatypes::TSInt128(42), 22, 38);
EXPECT_EQ(1, datatypes::Decimal::compare(l, r));
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value < r value, L scale < R scale
{
datatypes::Decimal l(datatypes::TSInt128(99), 20, 38);
datatypes::Decimal r(datatypes::TSInt128(420), 21, 38);
EXPECT_EQ(1, datatypes::Decimal::compare(l, r));
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value < r value, L scale < R scale
{
datatypes::Decimal l(datatypes::TSInt128(42), 20, 38);
datatypes::Decimal r(datatypes::TSInt128(420), 23, 38);
EXPECT_EQ(1, datatypes::Decimal::compare(l, r));
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// quotinent-based checks
// l value = r value, L scale = R scale
{
datatypes::Decimal l(datatypes::TSInt128(420), 1, 38);
datatypes::Decimal r(datatypes::TSInt128(420), 1, 38);
EXPECT_EQ(0, datatypes::Decimal::compare(l, r));
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// l value > r value, L scale < R scale
{
datatypes::Decimal l(datatypes::TSInt128(4200), 2, 38);
datatypes::Decimal r(datatypes::TSInt128(420), 1, 38);
EXPECT_EQ(0, datatypes::Decimal::compare(l, r));
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// l value < r value, L scale > R scale
{
datatypes::Decimal l(datatypes::TSInt128(42), 0, 38);
datatypes::Decimal r(datatypes::TSInt128(420), 1, 38);
EXPECT_EQ(0, datatypes::Decimal::compare(l, r));
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// Inequality checks
// l value = r value, L scale < R scale
{
datatypes::Decimal l(datatypes::TSInt128(42000), 0, 38);
datatypes::Decimal r(datatypes::TSInt128(42000), 3, 38);
EXPECT_EQ(1, datatypes::Decimal::compare(l, r));
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value = r value, L scale < R scale
{
datatypes::Decimal l(datatypes::TSInt128(420000), 3, 38);
datatypes::Decimal r(datatypes::TSInt128(420000), 0, 38);
EXPECT_EQ(-1, datatypes::Decimal::compare(l, r));
EXPECT_FALSE(l > r);
EXPECT_FALSE(l >= r);
EXPECT_FALSE(l == r);
}
// l value > r value, L scale > R scale
{
datatypes::Decimal l(datatypes::TSInt128(420000), 3, 38);
datatypes::Decimal r(datatypes::TSInt128(42000), 0, 38);
EXPECT_EQ(-1, datatypes::Decimal::compare(l, r));
EXPECT_FALSE(l > r);
EXPECT_FALSE(l >= r);
EXPECT_FALSE(l == r);
}
// l value > r value, L scale < R scale
{
datatypes::Decimal l(datatypes::TSInt128(420000), 1, 38);
datatypes::Decimal r(datatypes::TSInt128(4200), 2, 38);
EXPECT_EQ(1, datatypes::Decimal::compare(l, r));
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value < r value, L scale < R scale
{
datatypes::Decimal l(datatypes::TSInt128(990), 0, 38);
datatypes::Decimal r(datatypes::TSInt128(4200), 1, 38);
EXPECT_EQ(1, datatypes::Decimal::compare(l, r));
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value < r value, L scale < R scale
{
datatypes::Decimal l(datatypes::TSInt128(420), 0, 38);
datatypes::Decimal r(datatypes::TSInt128(4200), 3, 38);
EXPECT_EQ(1, datatypes::Decimal::compare(l, r));
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
}
TEST(Decimal, compareCheckInt64_Int128)
{
// remainer-based checks
// Equality checks
// l value = r value, L scale = R scale
{
datatypes::Decimal l(420, 10, 18);
datatypes::Decimal r(datatypes::TSInt128(420), 10, 38);
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// l value > r value, L scale < R scale
{
datatypes::Decimal l(420, 11, 18);
datatypes::Decimal r(datatypes::TSInt128(42), 10, 38);
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// l value < r value, L scale > R scale
{
datatypes::Decimal l(42, 10, 18);
datatypes::Decimal r(datatypes::TSInt128(420), 11, 38);
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// Inequality checks
// l value = r value, L scale < R scale
{
datatypes::Decimal l(42, 10, 18);
datatypes::Decimal r(datatypes::TSInt128(42), 13, 38);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value = r value, L scale < R scale
{
datatypes::Decimal l(42, 13, 18);
datatypes::Decimal r(datatypes::TSInt128(42), 10, 38);
EXPECT_FALSE(l > r);
EXPECT_FALSE(l >= r);
EXPECT_FALSE(l == r);
}
// l value > r value, L scale > R scale
{
datatypes::Decimal l(420, 13, 18);
datatypes::Decimal r(datatypes::TSInt128(42), 10, 38);
EXPECT_FALSE(l > r);
EXPECT_FALSE(l >= r);
EXPECT_FALSE(l == r);
}
// l value > r value, L scale < R scale
{
datatypes::Decimal l(4200, 11, 18);
datatypes::Decimal r(datatypes::TSInt128(42), 12, 38);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value < r value, L scale < R scale
{
datatypes::Decimal l(99, 10, 18);
datatypes::Decimal r(datatypes::TSInt128(420), 11, 38);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value < r value, L scale < R scale
{
datatypes::Decimal l(42, 10, 18);
datatypes::Decimal r(datatypes::TSInt128(420), 13, 38);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// quotinent-based checks
// l value = r value, L scale = R scale
{
datatypes::Decimal l(420, 1, 18);
datatypes::Decimal r(datatypes::TSInt128(420), 1, 38);
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// l value > r value, L scale < R scale
{
datatypes::Decimal l(4200, 2, 18);
datatypes::Decimal r(datatypes::TSInt128(420), 1, 38);
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// l value < r value, L scale > R scale
{
datatypes::Decimal l(42, 0, 18);
datatypes::Decimal r(datatypes::TSInt128(420), 1, 38);
EXPECT_TRUE(l == r);
EXPECT_TRUE(l >= r);
}
// Inequality checks
// l value = r value, L scale < R scale
{
datatypes::Decimal l(42000, 0, 18);
datatypes::Decimal r(datatypes::TSInt128(42000), 3, 38);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value = r value, L scale < R scale
{
datatypes::Decimal l(420000, 3, 18);
datatypes::Decimal r(datatypes::TSInt128(420000), 0, 38);
EXPECT_FALSE(l > r);
EXPECT_FALSE(l >= r);
EXPECT_FALSE(l == r);
}
// l value > r value, L scale > R scale
{
datatypes::Decimal l(420000, 3, 18);
datatypes::Decimal r(datatypes::TSInt128(42000), 0, 38);
EXPECT_FALSE(l > r);
EXPECT_FALSE(l >= r);
EXPECT_FALSE(l == r);
}
// l value > r value, L scale < R scale
{
datatypes::Decimal l(420000, 1, 18);
datatypes::Decimal r(datatypes::TSInt128(4200), 2, 38);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value < r value, L scale < R scale
{
datatypes::Decimal l(990, 0, 18);
datatypes::Decimal r(datatypes::TSInt128(4200), 1, 38);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
// l value < r value, L scale < R scale
{
datatypes::Decimal l(420, 0, 18);
datatypes::Decimal r(datatypes::TSInt128(4200), 3, 38);
EXPECT_TRUE(l > r);
EXPECT_TRUE(l >= r);
EXPECT_FALSE(l == r);
}
}
TEST(Decimal, additionNoOverflowCheck)
{
// Addition w/o overflow check
execplan::IDB_Decimal l, r, result;
// same precision, same scale, both positive values
l.scale = 38;
l.precision = 38;
l.s128Value = 42;
r.scale = 38;
r.precision = 38;
r.s128Value = 420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(462, result.s128Value);
// same precision, same scale, both negative values
l.s128Value = -42;
r.s128Value = -420;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(-462, result.s128Value);
// same precision, same scale, +- values
l.s128Value = 42;
r.s128Value = -420;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(-378, result.s128Value);
// same precision, same scale, both 0
l.s128Value = 0;
r.s128Value = 0;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(0, result.s128Value);
// different scale
// same precision, L scale > R scale, both positive values
l.scale = 38;
l.precision = 38;
l.s128Value = 42;
r.scale = 15;
r.precision = 38;
r.s128Value = 420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ("0.00000000000042000000000000000000000042", result.toString());
// same precision, L scale > R scale, both negative values
l.s128Value = -42;
r.s128Value = -420;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ("-0.00000000000042000000000000000000000042", result.toString());
// same precision, L scale > R scale, +- values
l.s128Value = 42;
r.s128Value = -420;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ("-0.00000000000041999999999999999999999958", result.toString());
// same precision, L scale > R scale, both 0
l.s128Value = 0;
r.s128Value = 0;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(0, result.s128Value);
// same precision, L scale < R scale, both positive values
l.scale = 15;
l.precision = 38;
l.s128Value = 42;
r.scale = 38;
r.precision = 38;
r.s128Value = 420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ("0.00000000000004200000000000000000000420", result.toString());
// same precision, L scale < R scale, both negative values
l.s128Value = -42;
r.s128Value = -420;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ("-0.00000000000004200000000000000000000420", result.toString());
// same precision, L scale < R scale, +- values
l.s128Value = 42;
r.s128Value = -420;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ("0.00000000000004199999999999999999999580", result.toString());
// same precision, L scale < R scale, both 0
l.s128Value = 0;
r.s128Value = 0;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(0, result.s128Value);
}
TEST(Decimal, divisionNoOverflowCheck)
{
// DIVISION
// same precision, same scale, both positive values
execplan::IDB_Decimal l, r, result;
l.scale = 38;
l.precision = 38;
l.s128Value = 43;
r.scale = 38;
r.precision = 38;
r.s128Value = 420;
result.scale = 10;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("9.7674418605", result.toString());
// same precision, same scale, both negative values
l.s128Value = -43;
r.s128Value = -420;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("9.7674418605", result.toString());
// same precision, same scale, +- values
l.s128Value = 2200000;
r.s128Value = -1900;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(l, r, result);
EXPECT_EQ("-1157.8947368421", result.toString());
// same precision, same scale, l = 0
l.s128Value = 0;
r.s128Value = 42424242;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(l, r, result);
EXPECT_EQ(0, result.s128Value);
// diff scale
// same precision, L scale > R scale, both positive values
l.scale = 38;
l.s128Value = 19;
r.scale = 15;
r.s128Value = 22;
result.scale = 10;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("115789473684210526315789.4736842105", result.toString());
// same precision, L scale > R scale, both negative values
l.s128Value = -22;
r.s128Value = -19;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("86363636363636363636363.6363636364", result.toString());
// same precision, L scale > R scale, +- values
l.s128Value = 19;
r.s128Value = -22;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("-115789473684210526315789.4736842105", result.toString());
// same precision, L scale > R scale, R = 0
l.s128Value = 424242;
r.s128Value = 0;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ(0, result.s128Value);
// same precision, L scale > R scale, both MAX positive values
utils::int128Max(l.s128Value);
utils::int128Max(r.s128Value);
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("100000000000000000000000.0000000000", result.toString());
// same precision, L scale > R scale, both MIN negative values
utils::int128Min(l.s128Value);
utils::int128Min(r.s128Value);
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("100000000000000000000000.0000000000", result.toString());
// same precision, L scale < R scale, both positive values
l.scale = 15;
l.precision = 38;
l.s128Value = 42;
r.scale = 38;
r.precision = 38;
r.s128Value = 42;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("0.00000000000000000000001000000000000000", result.toString());
// same precision, L scale < R scale, both negative values
l.s128Value = -22;
r.s128Value = -19;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("0.00000000000000000000000863636363636364", result.toString());
// same precision, L scale < R scale, +- values
l.s128Value = 22;
r.s128Value = -19;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("-0.00000000000000000000000863636363636364", result.toString());
// same precision, L scale < R scale, R = 0
l.s128Value = 42;
r.s128Value = 0;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ(0, result.s128Value);
// same precision, L scale < R scale, both MAX positive values
// WIP Investigate the next two
utils::int128Max(l.s128Value);
utils::int128Max(r.s128Value);
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("0.00000000000000000000001000000000000000", result.toString());
// same precision, L scale < R scale, both MIN negative values
utils::int128Min(l.s128Value);
utils::int128Min(r.s128Value);
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("0.00000000000000000000001000000000000000", result.toString());
// same precision, L scale < R scale, result.scale < (r.scale-l.scale)
// both positive values
l.scale = 37;
l.precision = 38;
l.s128Value = 43;
r.scale = 38;
r.precision = 38;
r.s128Value = 420;
result.scale = 0;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("1", result.toString());
// same precision, L scale < R scale, result.scale < (r.scale-l.scale)
// both negative values
l.s128Value = -22;
r.s128Value = -1900;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("9", result.toString());
// same precision, L scale < R scale, result.scale < (r.scale-l.scale)
// +- values
l.s128Value = 22;
r.s128Value = -1900;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("-9", result.toString());
// same precision, L scale < R scale, result.scale < (r.scale-l.scale)
// R = 0
l.s128Value = 42;
r.s128Value = 0;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ(0, result.s128Value);
// same precision, L scale < R scale, result.scale < (r.scale-l.scale)
// both MAX positive values
utils::int128Max(l.s128Value);
utils::int128Max(r.s128Value);
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("0", result.toString());
// same precision, L scale < R scale, result.scale < (r.scale-l.scale)
// both MIN negative values
utils::int128Min(l.s128Value);
utils::int128Min(r.s128Value);
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ("0", result.toString());
}
void doDiv(const execplan::IDB_Decimal& l, const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result)
{
datatypes::Decimal::division<int128_t, true>(l, r, result);
}
TEST(Decimal, divisionWithOverflowCheck)
{
// Divide min int128 by -1
execplan::IDB_Decimal l, r, result;
l.scale = 0;
l.precision = 38;
l.s128Value = datatypes::Decimal::minInt128;
r.scale = 0;
r.precision = 38;
r.s128Value = -1;
result.scale = 0;
result.precision = 38;
result.s128Value = 42;
EXPECT_THROW(doDiv(l, r, result), logging::OperationOverflowExcept);
// Divide two ints one of which overflows after the scaling.
// TODO We currently do not test overflow due to scaling in
// case of division. Re-enable this test when we check for overflow
/*l.s128Value = datatypes::Decimal::maxInt128;
r.scale = 1;
r.s128Value = 42;
result.scale = 1;
result.s128Value = 42;
EXPECT_THROW(doDiv(l, r, result), logging::OperationOverflowExcept);*/
// Normal execution w/o overflow
l.scale = 0;
l.s128Value = datatypes::Decimal::maxInt128 - 1;
r.scale = 0;
r.s128Value = 0xFFFFFFFFFFFFFFFF;
result.scale = 0;
result.s128Value = 0;
EXPECT_NO_THROW(doDiv(l, r, result));
EXPECT_EQ("9223372036854775809", result.toString());
}
void doAdd(const execplan::IDB_Decimal& l, const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result)
{
datatypes::Decimal::addition<int128_t, true>(l, r, result);
}
TEST(Decimal, additionWithOverflowCheck)
{
// Add two max ints
execplan::IDB_Decimal l, r, result;
l.scale = 0;
l.precision = 38;
l.s128Value = datatypes::Decimal::maxInt128 - 1;
r.scale = 0;
r.precision = 38;
r.s128Value = datatypes::Decimal::maxInt128 - 1;
result.scale = 0;
result.precision = 38;
result.s128Value = 42;
EXPECT_THROW(doAdd(l, r, result), logging::OperationOverflowExcept);
// Add two ints one of which overflows after the scaling.
l.s128Value = datatypes::Decimal::maxInt128 - 1;
r.scale = 1;
r.s128Value = 0xFFFFFFFFFFFFFFFF;
result.scale = 1;
result.precision = 38;
result.s128Value = 0;
EXPECT_THROW(doAdd(l, r, result), logging::OperationOverflowExcept);
// Normal execution w/o overflow
l.scale = 0;
l.s128Value = datatypes::Decimal::minInt128;
r.scale = 0;
r.s128Value = 0xFFFFFFFFFFFFFFFF;
result.scale = 0;
result.s128Value = 0;
EXPECT_NO_THROW(doAdd(l, r, result));
EXPECT_EQ("-170141183460469231713240559642174554113", result.toString());
}
TEST(Decimal, subtractionNoOverflowCheck)
{
// Subtractio w/o overflow check
execplan::IDB_Decimal l, r, result;
// same precision, same scale, both positive values
l.scale = 38;
l.precision = 38;
l.s128Value = 42;
r.scale = 38;
r.precision = 38;
r.s128Value = 420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::subtraction<int128_t, false>(l, r, result);
EXPECT_EQ("-0.00000000000000000000000000000000000378", result.toString());
// same precision, same scale, both negative values
l.s128Value = -42;
r.s128Value = -420;
result.s128Value = 0;
datatypes::Decimal::subtraction<int128_t, false>(l, r, result);
EXPECT_EQ("0.00000000000000000000000000000000000378", result.toString());
// same precision, same scale, +- values
l.s128Value = 42;
r.s128Value = -420;
result.s128Value = 0;
datatypes::Decimal::subtraction<int128_t, false>(l, r, result);
EXPECT_EQ("0.00000000000000000000000000000000000462", result.toString());
// same precision, same scale, both 0
l.s128Value = 0;
r.s128Value = 0;
result.s128Value = 0;
datatypes::Decimal::subtraction<int128_t, false>(l, r, result);
EXPECT_EQ(0, result.s128Value);
// different scale
// same precision, L scale > R scale, both positive values
l.scale = 38;
l.precision = 38;
l.s128Value = 42;
r.scale = 15;
r.precision = 38;
r.s128Value = 420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::subtraction<int128_t, false>(l, r, result);
EXPECT_EQ("-0.00000000000041999999999999999999999958", result.toString());
// same precision, L scale > R scale, both negative values
l.s128Value = -42;
r.s128Value = -420;
result.s128Value = 0;
datatypes::Decimal::subtraction<int128_t, false>(l, r, result);
EXPECT_EQ("0.00000000000041999999999999999999999958", result.toString());
// same precision, L scale > R scale, +- values
l.s128Value = 42;
r.s128Value = -420;
result.s128Value = 0;
datatypes::Decimal::subtraction<int128_t, false>(l, r, result);
EXPECT_EQ("0.00000000000042000000000000000000000042", result.toString());
// same precision, L scale > R scale, both 0
l.s128Value = 0;
r.s128Value = 0;
result.s128Value = 0;
datatypes::Decimal::subtraction<int128_t, false>(l, r, result);
EXPECT_EQ(0, result.s128Value);
// same precision, L scale < R scale, both positive values
l.scale = 15;
l.precision = 38;
l.s128Value = 42;
r.scale = 38;
r.precision = 38;
r.s128Value = 420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::subtraction<int128_t, false>(l, r, result);
EXPECT_EQ("0.00000000000004199999999999999999999580", result.toString());
// same precision, L scale < R scale, both negative values
l.s128Value = -42;
r.s128Value = -420;
result.s128Value = 0;
datatypes::Decimal::subtraction<int128_t, false>(l, r, result);
EXPECT_EQ("-0.00000000000004199999999999999999999580", result.toString());
// same precision, L scale < R scale, +- values
l.s128Value = 42;
r.s128Value = -420;
result.s128Value = 0;
datatypes::Decimal::subtraction<int128_t, false>(l, r, result);
EXPECT_EQ("0.00000000000004200000000000000000000420", result.toString());
// same precision, L scale < R scale, both 0
l.s128Value = 0;
r.s128Value = 0;
result.s128Value = 0;
datatypes::Decimal::subtraction<int128_t, false>(l, r, result);
EXPECT_EQ(0, result.s128Value);
}
void doSubtract(const execplan::IDB_Decimal& l, const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result)
{
datatypes::Decimal::subtraction<int128_t, true>(l, r, result);
}
TEST(Decimal, subtractionWithOverflowCheck)
{
// Subtract a max int from a min int
execplan::IDB_Decimal l, r, result;
l.scale = 0;
l.precision = 38;
l.s128Value = datatypes::Decimal::minInt128 + 1;
r.scale = 0;
r.precision = 38;
r.s128Value = datatypes::Decimal::maxInt128 - 1;
result.scale = 0;
result.precision = 38;
result.s128Value = 42;
EXPECT_THROW(doSubtract(l, r, result), logging::OperationOverflowExcept);
// Subtract two ints one of which overflows after the scaling.
l.s128Value = datatypes::Decimal::minInt128 + 1;
r.scale = 1;
r.s128Value = 0xFFFFFFFFFFFFFFFF;
result.scale = 1;
result.precision = 38;
result.s128Value = 0;
EXPECT_THROW(doSubtract(l, r, result), logging::OperationOverflowExcept);
// Normal execution w/o overflow
l.scale = 0;
l.s128Value = datatypes::Decimal::maxInt128;
r.scale = 0;
r.s128Value = 0xFFFFFFFFFFFFFFFF;
result.scale = 0;
result.s128Value = 0;
EXPECT_NO_THROW(doSubtract(l, r, result));
EXPECT_EQ("170141183460469231713240559642174554112", result.toString());
}
TEST(Decimal, multiplicationNoOverflowCheck)
{
// Multiplication
// same precision, l.scale + r.scale = result.scale, both positive values
execplan::IDB_Decimal l, r, result;
l.scale = 19;
l.precision = 38;
l.s128Value = 4611686018427387904;
r.scale = 19;
r.precision = 38;
r.s128Value = UINT64_MAX;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::multiplication<int128_t, false>(r, l, result);
EXPECT_EQ("0.85070591730234615861231965839514664960", result.toString());
// same precision, l.scale + r.scale = result.scale, both negative values
l.s128Value = -4611686018427387904;
r.s128Value = UINT64_MAX;
r.s128Value = -r.s128Value;
result.s128Value = 0;
datatypes::Decimal::multiplication<int128_t, false>(r, l, result);
EXPECT_EQ("0.85070591730234615861231965839514664960", result.toString());
// same precision, l.scale + r.scale = result.scale, +- values
l.s128Value = -4611686018427387904;
r.s128Value = UINT64_MAX;
result.s128Value = 0;
datatypes::Decimal::multiplication<int128_t, false>(l, r, result);
EXPECT_EQ("-0.85070591730234615861231965839514664960", result.toString());
// same precision, l.scale + r.scale = result.scale, l = 0
l.s128Value = 0;
r.s128Value = UINT64_MAX;
result.s128Value = 0;
datatypes::Decimal::multiplication<int128_t, false>(l, r, result);
EXPECT_EQ(0, result.s128Value);
// same precision, l.scale + r.scale < result.scale, both positive values
l.scale = 18;
l.precision = 38;
l.s128Value = 72057594037927936;
r.scale = 18;
r.precision = 38;
r.s128Value = 9223372036854775808ULL;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::multiplication<int128_t, false>(r, l, result);
EXPECT_EQ("0.66461399789245793645190353014017228800", result.toString());
// same precision, l.scale + r.scale < result.scale, both negative values
l.s128Value = -72057594037927936;
r.s128Value = 9223372036854775808ULL;
r.s128Value = -r.s128Value;
result.s128Value = 0;
datatypes::Decimal::multiplication<int128_t, false>(r, l, result);
EXPECT_EQ("0.66461399789245793645190353014017228800", result.toString());
// same precision, l.scale + r.scale < result.scale, +- values
l.s128Value = -72057594037927936;
r.s128Value = 9223372036854775808ULL;
result.s128Value = 0;
datatypes::Decimal::multiplication<int128_t, false>(l, r, result);
EXPECT_EQ("-0.66461399789245793645190353014017228800", result.toString());
// same precision, l.scale + r.scale < result.scale, l = 0
l.s128Value = 0;
r.s128Value = 9223372036854775808ULL;
result.s128Value = 0;
datatypes::Decimal::multiplication<int128_t, false>(l, r, result);
EXPECT_EQ(0, result.s128Value);
// same precision, l.scale + r.scale > result.scale, both positive values
l.scale = 38;
l.precision = 38;
l.s128Value = (((int128_t)1234567890123456789ULL * 10000000000000000000ULL) + 1234567890123456789);
r.scale = 38;
r.precision = 38;
r.s128Value = (((int128_t)1234567890123456789ULL * 10000000000000000000ULL) + 1234567890123456789ULL);
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::multiplication<int128_t, false>(r, l, result);
EXPECT_EQ("0.01524157875323883675019051998750190521", result.toString());
// same precision, l.scale + r.scale > result.scale, both negative values
l.s128Value = -l.s128Value;
r.s128Value = -r.s128Value;
result.s128Value = 0;
datatypes::Decimal::multiplication<int128_t, false>(r, l, result);
EXPECT_EQ("0.01524157875323883675019051998750190521", result.toString());
// same precision, l.scale + r.scale > result.scale, +- values
r.s128Value = -r.s128Value;
result.s128Value = 0;
datatypes::Decimal::multiplication<int128_t, false>(l, r, result);
EXPECT_EQ("-0.01524157875323883675019051998750190521", result.toString());
// same precision, l.scale + r.scale > result.scale, l = 0
r.s128Value = 0;
result.s128Value = 0;
datatypes::Decimal::multiplication<int128_t, false>(l, r, result);
EXPECT_EQ(0, result.s128Value);
}
void doMultiply(const execplan::IDB_Decimal& l, const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result)
{
datatypes::Decimal::multiplication<int128_t, true>(l, r, result);
}
TEST(Decimal, multiplicationWithOverflowCheck)
{
execplan::IDB_Decimal l, r, result;
// result.scale >= l.scale + r.scale
l.scale = 0;
l.precision = 38;
l.s128Value = UINT64_MAX;
r.scale = 0;
r.precision = 38;
r.s128Value = UINT64_MAX;
result.scale = 0;
result.precision = 38;
result.s128Value = 42;
EXPECT_THROW(doMultiply(l, r, result), logging::OperationOverflowExcept);
// result.scale < l.scale + r.scale
l.scale = 36;
l.precision = 38;
l.s128Value = (((int128_t)1234567890123456789ULL * 10000000000000000000ULL) + 1234567890123456789);
r.scale = 36;
r.precision = 38;
r.s128Value = (((int128_t)1234567890123456789ULL * 10000000000000000000ULL) + 1234567890123456789);
result.scale = 38;
result.precision = 38;
result.s128Value = 42;
EXPECT_THROW(doMultiply(l, r, result), logging::OperationOverflowExcept);
// Normal execution w/o overflow
l.scale = 0;
l.s128Value = 4611686018427387904;
r.scale = 0;
r.s128Value = 4611686018427387904;
result.scale = 0;
result.s128Value = 0;
EXPECT_NO_THROW(doMultiply(l, r, result));
EXPECT_EQ("21267647932558653966460912964485513216", result.toString());
l.setTSInt128Value((int128_t)1 << 122);
l.setScale(0);
r.setTSInt128Value(100);
r.setScale(0);
EXPECT_THROW(doMultiply(l, r, result), logging::OperationOverflowExcept);
l.setTSInt128Value((int128_t)1 << 65);
l.setScale(0);
r.setTSInt128Value((int128_t)1 << 64);
r.setScale(0);
EXPECT_THROW(doMultiply(l, r, result), logging::OperationOverflowExcept);
l.setTSInt128Value((int128_t)1 << 122);
l.setScale(0);
r.setTSInt128Value(2);
r.setScale(0);
EXPECT_NO_THROW(doMultiply(l, r, result));
EXPECT_EQ("10633823966279326983230456482242756608", result.toString());
}
TEST(Decimal, DecimalToStringCheckScale0)
{
string input, expected;
int128_t res;
int precision = 38;
int scale = 0;
res = 0;
datatypes::Decimal dec(0, scale, precision, res);
// test simple values
expected = std::string("0");
EXPECT_EQ(dec.toString(), expected);
res = 2;
expected = std::string("2");
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -2;
expected = "-2";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = 123;
expected = "123";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -123;
expected = "-123";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
// test max/min decimal (i.e. 38 9's)
res = ((((((((int128_t)999999999 * 1000000000) + 999999999) * 1000000000) + 999999999) * 1000000000) +
999999999) *
100) +
99;
expected = "99999999999999999999999999999999999999";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -res;
expected = "-99999999999999999999999999999999999999";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
// test trailing zeros
res = 123000;
expected = "123000";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -res;
expected = "-123000";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
}
TEST(Decimal, DecimalToStringCheckScale10)
{
string input, expected;
int128_t res;
int precision = 38;
int scale = 10;
res = 0;
datatypes::Decimal dec(0, scale, precision, res);
// test simple values
expected = "0.0000000000";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = 2;
expected = "0.0000000002";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -2;
expected = "-0.0000000002";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = 123;
expected = "0.0000000123";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -123;
expected = "-0.0000000123";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = 12345678901;
expected = "1.2345678901";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -12345678901;
expected = "-1.2345678901";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
// test max/min decimal (i.e. 38 9's)
res = ((((((((int128_t)999999999 * 1000000000) + 999999999) * 1000000000) + 999999999) * 1000000000) +
999999999) *
100) +
99;
expected = "9999999999999999999999999999.9999999999";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -res;
expected = "-9999999999999999999999999999.9999999999";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
// test trailing zeros
res = 123000;
expected = "0.0000123000";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -res;
expected = "-0.0000123000";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
// test leading zeros
res = 10000000009;
expected = "1.0000000009";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -res;
expected = "-1.0000000009";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
}
TEST(Decimal, DecimalToStringCheckScale38)
{
string input, expected;
int128_t res;
int precision = 38;
int scale = 38;
res = 0;
datatypes::Decimal dec(0, scale, precision, res);
// test simple values
res = 0;
expected = "0.00000000000000000000000000000000000000";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = 2;
expected = "0.00000000000000000000000000000000000002";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -2;
expected = "-0.00000000000000000000000000000000000002";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = 123;
expected = "0.00000000000000000000000000000000000123";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -123;
expected = "-0.00000000000000000000000000000000000123";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = ((((((int128_t)1234567890 * 10000000000) + 1234567890) * 10000000000) + 1234567890) * 100000000) +
12345678;
expected = "0.12345678901234567890123456789012345678";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -res;
expected = "-0.12345678901234567890123456789012345678";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
// test max/min decimal (i.e. 38 9's)
res = ((((((((int128_t)999999999 * 1000000000) + 999999999) * 1000000000) + 999999999) * 1000000000) +
999999999) *
100) +
99;
expected = "0.99999999999999999999999999999999999999";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -res;
expected = "-0.99999999999999999999999999999999999999";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
// test trailing zeros
res = 123000;
expected = "0.00000000000000000000000000000000123000";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -res;
expected = "-0.00000000000000000000000000000000123000";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
}
TEST(Decimal, DecimalToStringCheckScale37)
{
string input, expected;
int128_t res;
int precision = 38;
int scale = 37;
res = 0;
datatypes::Decimal dec(0, scale, precision, res);
// test simple values
res = 0;
expected = "0.0000000000000000000000000000000000000";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = 2;
expected = "0.0000000000000000000000000000000000002";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -2;
expected = "-0.0000000000000000000000000000000000002";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = 123;
expected = "0.0000000000000000000000000000000000123";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -123;
expected = "-0.0000000000000000000000000000000000123";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = ((((((int128_t)1234567890 * 10000000000) + 1234567890) * 10000000000) + 1234567890) * 100000000) +
12345678;
expected = "1.2345678901234567890123456789012345678";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -res;
expected = "-1.2345678901234567890123456789012345678";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
// test max/min decimal (i.e. 38 9's)
res = ((((((((int128_t)999999999 * 1000000000) + 999999999) * 1000000000) + 999999999) * 1000000000) +
999999999) *
100) +
99;
expected = "9.9999999999999999999999999999999999999";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -res;
expected = "-9.9999999999999999999999999999999999999";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
// test trailing zeros
res = 123000;
expected = "0.0000000000000000000000000000000123000";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
res = -res;
expected = "-0.0000000000000000000000000000000123000";
dec.setTSInt128Value(res);
EXPECT_EQ(dec.toString(), expected);
}
View Git Blame Copy Permalink