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37b4cafe878b338522b6cb2e131eef4face017fe
doris/be/test/runtime/decimal_value_test.cpp
chenhao7253886 37b4cafe87 Change variable and namespace name in BE (#268) 
Change 'palo' to 'doris'
2018-11-02 10:22:32 +08:00

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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#include "runtime/decimal_value.h"
#include <iostream>
#include <string>
#include <gtest/gtest.h>
#include "util/logging.h"
namespace doris {
class DecimalValueTest : public testing::Test {
public:
DecimalValueTest() {
}
protected:
virtual void SetUp() {
}
virtual void TearDown() {
}
};
TEST_F(DecimalValueTest, string_to_decimal) {
DecimalValue value(std::string("1.23"));
ASSERT_EQ("1.23", value.to_string(3));
DecimalValue value1(std::string("0.23"));
ASSERT_EQ("0.23", value1.to_string(3));
DecimalValue value2(std::string("1234567890123456789.0"));
ASSERT_EQ("1234567890123456789.0", value2.to_string(3));
}
TEST_F(DecimalValueTest, negative_zero) {
DecimalValue value(std::string("-0.00"));
std::cout << "value: " << value.get_debug_info() << std::endl;
{
// positive zero VS negative zero
DecimalValue value2(std::string("0.00"));
std::cout << "value2: " << value2.get_debug_info() << std::endl;
ASSERT_TRUE(value == value2);
ASSERT_FALSE(value < value2);
ASSERT_FALSE(value < value2);
ASSERT_TRUE(value <= value2);
ASSERT_TRUE(value >= value2);
}
{
// from string, positive
DecimalValue value3(std::string("5.0"));
std::cout << "value3: " << value3.get_debug_info() << std::endl;
ASSERT_TRUE(value < value3);
ASSERT_TRUE(value <= value3);
ASSERT_TRUE(value3 > value);
ASSERT_TRUE(value3 >= value);
}
{
// from string, negative
DecimalValue value3(std::string("-5.0"));
std::cout << "value3: " << value3.get_debug_info() << std::endl;
ASSERT_TRUE(value > value3);
ASSERT_TRUE(value >= value3);
ASSERT_TRUE(value3 < value);
ASSERT_TRUE(value3 <= value);
}
{
// from int
DecimalValue value3(6);
std::cout << "value3: " << value3.get_debug_info() << std::endl;
ASSERT_TRUE(value < value3);
ASSERT_TRUE(value <= value3);
ASSERT_TRUE(value3 > value);
ASSERT_TRUE(value3 >= value);
ASSERT_FALSE(!(value < value3));
ASSERT_FALSE(!(value <= value3));
ASSERT_FALSE(!(value3 > value));
ASSERT_FALSE(!(value3 >= value));
}
{
// from int
DecimalValue value3(4, 0);
std::cout << "value3: " << value3.get_debug_info() << std::endl;
ASSERT_TRUE(value < value3);
ASSERT_TRUE(value <= value3);
ASSERT_TRUE(value3 > value);
ASSERT_TRUE(value3 >= value);
}
{
// from int
DecimalValue value3(3, -0);
std::cout << "value3: " << value3.get_debug_info() << std::endl;
ASSERT_TRUE(value < value3);
ASSERT_TRUE(value <= value3);
ASSERT_TRUE(value3 > value);
ASSERT_TRUE(value3 >= value);
}
}
TEST_F(DecimalValueTest, int_to_decimal) {
DecimalValue value1;
ASSERT_EQ("0", value1.to_string(3));
DecimalValue value2(111111111); // 9 digits
std::cout << "value2: " << value2.get_debug_info() << std::endl;
ASSERT_EQ("111111111", value2.to_string(3));
DecimalValue value3(111111111, 222222222); // 9 digits
std::cout << "value3: " << value3.get_debug_info() << std::endl;
ASSERT_EQ("111111111.222", value3.to_string(3));
DecimalValue value4(0, 222222222); // 9 digits
std::cout << "value4: " << value4.get_debug_info() << std::endl;
ASSERT_EQ("0.222", value4.to_string(3));
DecimalValue value5(111111111, 0); // 9 digits
std::cout << "value5: " << value5.get_debug_info() << std::endl;
ASSERT_EQ("111111111", value5.to_string(3));
DecimalValue value6(0, 0); // 9 digits
std::cout << "value6: " << value6.get_debug_info() << std::endl;
ASSERT_EQ("0", value6.to_string(3));
DecimalValue value7(0, 12345); // 9 digits
std::cout << "value7: " << value7.get_debug_info() << std::endl;
ASSERT_EQ("0.000012", value7.to_string(6));
DecimalValue value8(11, 0);
std::cout << "value8: " << value8.get_debug_info() << std::endl;
ASSERT_EQ("11", value8.to_string(3));
// more than 9digit, fraction will be trancated to 999999999
DecimalValue value9(1230123456789, 1230123456789);
std::cout << "value9: " << value9.get_debug_info() << std::endl;
ASSERT_EQ("1230123456789.999999999", value9.to_string(10));
// negative
{
DecimalValue value2(-111111111); // 9 digits
std::cout << "value2: " << value2.get_debug_info() << std::endl;
ASSERT_EQ("-111111111", value2.to_string(3));
DecimalValue value3(-111111111, 222222222); // 9 digits
std::cout << "value3: " << value3.get_debug_info() << std::endl;
ASSERT_EQ("-111111111.222", value3.to_string(3));
DecimalValue value4(0, -222222222); // 9 digits
std::cout << "value4: " << value4.get_debug_info() << std::endl;
ASSERT_EQ("-0.222", value4.to_string(3));
DecimalValue value5(-111111111, 0); // 9 digits
std::cout << "value5: " << value5.get_debug_info() << std::endl;
ASSERT_EQ("-111111111", value5.to_string(3));
DecimalValue value7(0, -12345); // 9 digits
std::cout << "value7: " << value7.get_debug_info() << std::endl;
ASSERT_EQ("-0.000012", value7.to_string(6));
DecimalValue value8(-11, 0);
std::cout << "value8: " << value8.get_debug_info() << std::endl;
ASSERT_EQ("-11", value8.to_string(3));
}
}
TEST_F(DecimalValueTest, add) {
DecimalValue value11(std::string("1111111111.2222222222"));// 10 digits
DecimalValue value12(std::string("2222222222.1111111111")); // 10 digits
DecimalValue add_result1 = value11 + value12;
std::cout << "add_result1: " << add_result1.get_debug_info() << std::endl;
ASSERT_EQ("3333333333.3333333333", add_result1.to_string(10));
DecimalValue value21(std::string("-3333333333.2222222222"));// 10 digits
DecimalValue value22(std::string("2222222222.1111111111")); // 10 digits
DecimalValue add_result2 = value21 + value22;
std::cout << "add_result2: " << add_result2.get_debug_info() << std::endl;
ASSERT_EQ("-1111111111.1111111111", add_result2.to_string(10));
}
TEST_F(DecimalValueTest, compound_add) {
{
DecimalValue value1(std::string("111111111.222222222"));
DecimalValue value2(std::string("111111111.222222222"));
value1 += value2;
std::cout << "value1: " << value1.get_debug_info() << std::endl;
ASSERT_EQ("222222222.444444444", value1.to_string(10));
}
}
TEST_F(DecimalValueTest, sub) {
DecimalValue value11(std::string("3333333333.2222222222"));// 10 digits
DecimalValue value12(std::string("2222222222.1111111111")); // 10 digits
DecimalValue sub_result1 = value11 - value12;
std::cout << "sub_result1: " << sub_result1.get_debug_info() << std::endl;
ASSERT_EQ("1111111111.1111111111", sub_result1.to_string(10));
DecimalValue value21(std::string("-2222222222.1111111111")); // 10 digits
DecimalValue sub_result2 = value11 - value21;
std::cout << "sub_result2: " << sub_result2.get_debug_info() << std::endl;
ASSERT_EQ("5555555555.3333333333", sub_result2.to_string(10));
// small - big
{
DecimalValue value1(std::string("8.0"));
DecimalValue value2(std::string("0"));
DecimalValue sub_result = value2 - value1;
LOG(INFO) << "sub_result: " << sub_result.get_debug_info() << std::endl;
DecimalValue expected_value(std::string("-8.0"));
ASSERT_EQ(expected_value, sub_result);
ASSERT_FALSE(sub_result.is_zero());
}
// minimum - maximal
{
DecimalValue value1(std::string(
"9999999999999999999999999999999999999999"
"99999999999999999999999999999999999999999")); // 81 digits
DecimalValue value2(std::string(
"-9999999999999999999999999999999999999999"
"99999999999999999999999999999999999999999")); // 81 digits
DecimalValue sub_result = value2 - value1;
LOG(INFO) << "sub_result: " << sub_result.get_debug_info() << std::endl;
DecimalValue expected_value = value2;
ASSERT_EQ(expected_value, sub_result);
ASSERT_FALSE(sub_result.is_zero());
ASSERT_TRUE(value1 > value2);
}
}
TEST_F(DecimalValueTest, mul) {
DecimalValue value11(std::string("3333333333.2222222222"));// 10 digits
DecimalValue value12(std::string("-2222222222.1111111111")); // 10 digits
DecimalValue mul_result1 = value11 * value12;
std::cout << "mul_result1: " << mul_result1.get_debug_info() << std::endl;
ASSERT_EQ(DecimalValue(
std::string("-7407407406790123456.71604938271975308642")),
mul_result1);
DecimalValue value21(std::string("0")); // zero
DecimalValue mul_result2 = value11 * value21;
std::cout << "mul_result2: " << mul_result2.get_debug_info() << std::endl;
ASSERT_EQ(DecimalValue(std::string("0")), mul_result2);
}
TEST_F(DecimalValueTest, div) {
DecimalValue value11(std::string("-7407407406790123456.71604938271975308642"));
DecimalValue value12(std::string("-2222222222.1111111111")); // 10 digits
DecimalValue div_result1 = value11 / value12;
std::cout << "div_result1: " << div_result1.get_debug_info() << std::endl;
ASSERT_EQ(DecimalValue(std::string("3333333333.2222222222")), div_result1);
ASSERT_EQ("3333333333.222222222200000", div_result1.to_string(15));
{
DecimalValue value11(std::string("32767"));
DecimalValue value12(std::string("604587"));
DecimalValue div_result1 = value11 / value12;
std::cout << "div_result1: " << div_result1.get_debug_info() << std::endl;
ASSERT_EQ(DecimalValue(std::string("0.054197328")), div_result1);
}
}
TEST_F(DecimalValueTest, unary_minus_operator) {
{
DecimalValue value1(std::string("111111111.222222222"));
DecimalValue value2 = -value1;
std::cout << "value1: " << value1.get_debug_info() << std::endl;
std::cout << "value2: " << value2.get_debug_info() << std::endl;
ASSERT_EQ("111111111.222222222", value1.to_string(10));
ASSERT_EQ("-111111111.222222222", value2.to_string(10));
}
}
TEST_F(DecimalValueTest, to_int_frac_value) {
// positive & negative
{
DecimalValue value(std::string("123456789123456789.987654321"));
ASSERT_EQ(123456789123456789, value.int_value());
ASSERT_EQ(987654321, value.frac_value());
DecimalValue value2(std::string("-123456789123456789.987654321"));
ASSERT_EQ(-123456789123456789, value2.int_value());
ASSERT_EQ(-987654321, value2.frac_value());
}
// int or frac part is 0
{
DecimalValue value(std::string("-123456789123456789"));
ASSERT_EQ(-123456789123456789, value.int_value());
ASSERT_EQ(0, value.frac_value());
DecimalValue value2(std::string("0.987654321"));
ASSERT_EQ(0, value2.int_value());
ASSERT_EQ(987654321, value2.frac_value());
}
// truncate frac part
{
DecimalValue value(std::string("-123456789.987654321987654321"));
ASSERT_EQ(-123456789, value.int_value());
ASSERT_EQ(-987654321, value.frac_value());
}
}
// Half up
TEST_F(DecimalValueTest, round_ops) {
// less than 5
DecimalValue value(std::string("1.249"));
{
DecimalValue dst;
value.round(&dst, -1, HALF_UP);
ASSERT_EQ("0", dst.to_string());
value.round(&dst, -1, CEILING);
ASSERT_EQ("10", dst.to_string());
value.round(&dst, -1, FLOOR);
ASSERT_EQ("0", dst.to_string());
value.round(&dst, -1, TRUNCATE);
ASSERT_EQ("0", dst.to_string());
}
{
DecimalValue dst;
value.round(&dst, 0, HALF_UP);
ASSERT_EQ("1", dst.to_string());
value.round(&dst, 0, CEILING);
ASSERT_EQ("2", dst.to_string());
value.round(&dst, 0, FLOOR);
ASSERT_EQ("1", dst.to_string());
value.round(&dst, 0, TRUNCATE);
ASSERT_EQ("1", dst.to_string());
}
{
DecimalValue dst;
value.round(&dst, 1, HALF_UP);
ASSERT_EQ("1.2", dst.to_string());
value.round(&dst, 1, CEILING);
ASSERT_EQ("1.3", dst.to_string());
value.round(&dst, 1, FLOOR);
ASSERT_EQ("1.2", dst.to_string());
value.round(&dst, 1, TRUNCATE);
ASSERT_EQ("1.2", dst.to_string());
}
{
DecimalValue dst;
value.round(&dst, 2, HALF_UP);
ASSERT_EQ("1.25", dst.to_string());
value.round(&dst, 2, CEILING);
ASSERT_EQ("1.25", dst.to_string());
value.round(&dst, 2, FLOOR);
ASSERT_EQ("1.24", dst.to_string());
value.round(&dst, 2, TRUNCATE);
ASSERT_EQ("1.24", dst.to_string());
}
{
DecimalValue dst;
value.round(&dst, 3, HALF_UP);
ASSERT_EQ("1.249", dst.to_string());
value.round(&dst, 3, CEILING);
ASSERT_EQ("1.249", dst.to_string());
value.round(&dst, 3, FLOOR);
ASSERT_EQ("1.249", dst.to_string());
value.round(&dst, 3, TRUNCATE);
ASSERT_EQ("1.249", dst.to_string());
}
{
DecimalValue dst;
value.round(&dst, 4, HALF_UP);
ASSERT_EQ("1.249", dst.to_string());
value.round(&dst, 4, CEILING);
ASSERT_EQ("1.249", dst.to_string());
value.round(&dst, 4, FLOOR);
ASSERT_EQ("1.249", dst.to_string());
value.round(&dst, 4, TRUNCATE);
ASSERT_EQ("1.249", dst.to_string());
}
}
// Half up
TEST_F(DecimalValueTest, round_minus) {
// less than 5
DecimalValue value(std::string("-1.249"));
{
DecimalValue dst;
value.round(&dst, -1, HALF_UP);
ASSERT_EQ("0", dst.to_string());
value.round(&dst, -1, CEILING);
ASSERT_EQ("0", dst.to_string());
value.round(&dst, -1, FLOOR);
ASSERT_EQ("-10", dst.to_string());
value.round(&dst, -1, TRUNCATE);
ASSERT_EQ("0", dst.to_string());
}
{
DecimalValue dst;
value.round(&dst, 0, HALF_UP);
ASSERT_EQ("-1", dst.to_string());
value.round(&dst, 0, CEILING);
ASSERT_EQ("-1", dst.to_string());
value.round(&dst, 0, FLOOR);
ASSERT_EQ("-2", dst.to_string());
value.round(&dst, 0, TRUNCATE);
ASSERT_EQ("-1", dst.to_string());
}
{
DecimalValue dst;
value.round(&dst, 1, HALF_UP);
ASSERT_EQ("-1.2", dst.to_string());
value.round(&dst, 1, CEILING);
ASSERT_EQ("-1.2", dst.to_string());
value.round(&dst, 1, FLOOR);
ASSERT_EQ("-1.3", dst.to_string());
value.round(&dst, 1, TRUNCATE);
ASSERT_EQ("-1.2", dst.to_string());
}
{
DecimalValue dst;
value.round(&dst, 2, HALF_UP);
ASSERT_EQ("-1.25", dst.to_string());
value.round(&dst, 2, CEILING);
ASSERT_EQ("-1.24", dst.to_string());
value.round(&dst, 2, FLOOR);
ASSERT_EQ("-1.25", dst.to_string());
value.round(&dst, 2, TRUNCATE);
ASSERT_EQ("-1.24", dst.to_string());
}
{
DecimalValue dst;
value.round(&dst, 3, HALF_UP);
ASSERT_EQ("-1.249", dst.to_string());
value.round(&dst, 3, CEILING);
ASSERT_EQ("-1.249", dst.to_string());
value.round(&dst, 3, FLOOR);
ASSERT_EQ("-1.249", dst.to_string());
value.round(&dst, 3, TRUNCATE);
ASSERT_EQ("-1.249", dst.to_string());
}
{
DecimalValue dst;
value.round(&dst, 4, HALF_UP);
ASSERT_EQ("-1.249", dst.to_string());
value.round(&dst, 4, CEILING);
ASSERT_EQ("-1.249", dst.to_string());
value.round(&dst, 4, FLOOR);
ASSERT_EQ("-1.249", dst.to_string());
value.round(&dst, 4, TRUNCATE);
ASSERT_EQ("-1.249", dst.to_string());
}
}
// Half up
TEST_F(DecimalValueTest, round_to_int) {
{
DecimalValue value(std::string("99.99"));
{
DecimalValue dst;
value.round(&dst, 1, HALF_UP);
ASSERT_EQ("100.0", dst.to_string());
}
}
{
DecimalValue value(std::string("123.12399"));
{
DecimalValue dst;
value.round(&dst, 4, HALF_UP);
ASSERT_EQ("123.124", dst.to_string());
}
}
}
TEST_F(DecimalValueTest, double_to_decimal) {
double i = 1.2;
DecimalValue *value = new DecimalValue(100, 9876);
value->assign_from_double(i);
ASSERT_STREQ("1.2", value->to_string().c_str());
delete value;
}
TEST_F(DecimalValueTest, float_to_decimal) {
float i = 1.2;
DecimalValue *value = new DecimalValue(100, 9876);
value->assign_from_float(i);
ASSERT_STREQ("1.2", value->to_string().c_str());
delete value;
}
} // end namespace doris
int main(int argc, char** argv) {
// std::string conffile = std::string(getenv("DORIS_HOME")) + "/conf/be.conf";
// if (!doris::config::init(conffile.c_str(), false)) {
// fprintf(stderr, "error read config file. \n");
// return -1;
// }
doris::init_glog("be-test");
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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