| // 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 <gtest/gtest.h> |
| |
| #include <iostream> |
| #include <string> |
| |
| #include "runtime/decimalv2_value.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")); |
| EXPECT_EQ("1.23", value.to_string(3)); |
| |
| DecimalValue value1(std::string("0.23")); |
| EXPECT_EQ("0.23", value1.to_string(3)); |
| |
| DecimalValue value2(std::string("1234567890123456789.0")); |
| EXPECT_EQ("1234567890123456789.0", value2.to_string(3)); |
| } |
| |
| TEST_F(DecimalValueTest, negative_zero) { |
| DecimalValue value(std::string("-0.00")); |
| { |
| // positive zero VS negative zero |
| DecimalValue value2(std::string("0.00")); |
| EXPECT_TRUE(value == value2); |
| EXPECT_FALSE(value < value2); |
| EXPECT_FALSE(value < value2); |
| EXPECT_TRUE(value <= value2); |
| EXPECT_TRUE(value >= value2); |
| } |
| { |
| // from string, positive |
| DecimalValue value3(std::string("5.0")); |
| EXPECT_TRUE(value < value3); |
| EXPECT_TRUE(value <= value3); |
| EXPECT_TRUE(value3 > value); |
| EXPECT_TRUE(value3 >= value); |
| } |
| { |
| // from string, negative |
| DecimalValue value3(std::string("-5.0")); |
| EXPECT_TRUE(value > value3); |
| EXPECT_TRUE(value >= value3); |
| EXPECT_TRUE(value3 < value); |
| EXPECT_TRUE(value3 <= value); |
| } |
| { |
| // from int |
| DecimalValue value3(6); |
| EXPECT_TRUE(value < value3); |
| EXPECT_TRUE(value <= value3); |
| EXPECT_TRUE(value3 > value); |
| EXPECT_TRUE(value3 >= value); |
| |
| EXPECT_FALSE(!(value < value3)); |
| EXPECT_FALSE(!(value <= value3)); |
| EXPECT_FALSE(!(value3 > value)); |
| EXPECT_FALSE(!(value3 >= value)); |
| } |
| { |
| // from int |
| DecimalValue value3(4, 0); |
| EXPECT_TRUE(value < value3); |
| EXPECT_TRUE(value <= value3); |
| EXPECT_TRUE(value3 > value); |
| EXPECT_TRUE(value3 >= value); |
| } |
| { |
| // from int |
| DecimalValue value3(3, -0); |
| EXPECT_TRUE(value < value3); |
| EXPECT_TRUE(value <= value3); |
| EXPECT_TRUE(value3 > value); |
| EXPECT_TRUE(value3 >= value); |
| } |
| } |
| |
| TEST_F(DecimalValueTest, int_to_decimal) { |
| DecimalValue value1; |
| EXPECT_EQ("0", value1.to_string(3)); |
| |
| DecimalValue value2(111111111); // 9 digits |
| EXPECT_EQ("111111111", value2.to_string(3)); |
| |
| DecimalValue value3(111111111, 222222222); // 9 digits |
| EXPECT_EQ("111111111.222", value3.to_string(3)); |
| |
| DecimalValue value4(0, 222222222); // 9 digits |
| EXPECT_EQ("0.222", value4.to_string(3)); |
| |
| DecimalValue value5(111111111, 0); // 9 digits |
| EXPECT_EQ("111111111", value5.to_string(3)); |
| |
| DecimalValue value6(0, 0); // 9 digits |
| EXPECT_EQ("0", value6.to_string(3)); |
| |
| DecimalValue value7(0, 12345); // 9 digits |
| EXPECT_EQ("0.000012", value7.to_string(6)); |
| |
| DecimalValue value8(11, 0); |
| EXPECT_EQ("11", value8.to_string(3)); |
| |
| // more than 9digit, fraction will be truncated to 999999999 |
| DecimalValue value9(1230123456789, 1230123456789); |
| EXPECT_EQ("1230123456789.999999999", value9.to_string(10)); |
| |
| // negative |
| { |
| DecimalValue value2(-111111111); // 9 digits |
| EXPECT_EQ("-111111111", value2.to_string(3)); |
| |
| DecimalValue value3(-111111111, 222222222); // 9 digits |
| EXPECT_EQ("-111111111.222", value3.to_string(3)); |
| |
| DecimalValue value4(0, -222222222); // 9 digits |
| EXPECT_EQ("-0.222", value4.to_string(3)); |
| |
| DecimalValue value5(-111111111, 0); // 9 digits |
| EXPECT_EQ("-111111111", value5.to_string(3)); |
| |
| DecimalValue value7(0, -12345); // 9 digits |
| EXPECT_EQ("-0.000012", value7.to_string(6)); |
| |
| DecimalValue value8(-11, 0); |
| EXPECT_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; |
| EXPECT_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; |
| EXPECT_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; |
| EXPECT_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; |
| EXPECT_EQ("1111111111.1111111111", sub_result1.to_string(10)); |
| |
| DecimalValue value21(std::string("-2222222222.1111111111")); // 10 digits |
| DecimalValue sub_result2 = value11 - value21; |
| EXPECT_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")); |
| EXPECT_EQ(expected_value, sub_result); |
| EXPECT_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; |
| EXPECT_EQ(expected_value, sub_result); |
| EXPECT_FALSE(sub_result.is_zero()); |
| EXPECT_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; |
| EXPECT_EQ(DecimalValue(std::string("-7407407406790123456.71604938271975308642")), mul_result1); |
| |
| DecimalValue value21(std::string("0")); // zero |
| DecimalValue mul_result2 = value11 * value21; |
| EXPECT_EQ(DecimalValue(std::string("0")), mul_result2); |
| |
| { |
| // test when carry is needed |
| DecimalValue value1(std::string("3074062.5421333313")); |
| DecimalValue value2(std::string("2169.957745029689045693")); |
| DecimalValue mul_result = value1 * value2; |
| EXPECT_EQ(DecimalValue(std::string("6670585822.0078770603624547106640070909")), mul_result); |
| } |
| } |
| |
| TEST_F(DecimalValueTest, div) { |
| DecimalValue value11(std::string("-7407407406790123456.71604938271975308642")); |
| DecimalValue value12(std::string("-2222222222.1111111111")); // 10 digits |
| DecimalValue div_result1 = value11 / value12; |
| EXPECT_EQ(DecimalValue(std::string("3333333333.2222222222")), div_result1); |
| EXPECT_EQ("3333333333.222222222200000", div_result1.to_string(15)); |
| { |
| DecimalValue value11(std::string("32767")); |
| DecimalValue value12(std::string("604587")); |
| DecimalValue div_result1 = value11 / value12; |
| EXPECT_EQ(DecimalValue(std::string("0.054197328")), div_result1); |
| } |
| } |
| |
| TEST_F(DecimalValueTest, unary_minus_operator) { |
| { |
| DecimalValue value1(std::string("111111111.222222222")); |
| DecimalValue value2 = -value1; |
| EXPECT_EQ("111111111.222222222", value1.to_string(10)); |
| EXPECT_EQ("-111111111.222222222", value2.to_string(10)); |
| } |
| } |
| |
| TEST_F(DecimalValueTest, to_int_frac_value) { |
| // positive & negative |
| { |
| DecimalValue value(std::string("123456789123456789.987654321")); |
| EXPECT_EQ(123456789123456789, value.int_value()); |
| EXPECT_EQ(987654321, value.frac_value()); |
| |
| DecimalValue value2(std::string("-123456789123456789.987654321")); |
| EXPECT_EQ(-123456789123456789, value2.int_value()); |
| EXPECT_EQ(-987654321, value2.frac_value()); |
| } |
| // int or frac part is 0 |
| { |
| DecimalValue value(std::string("-123456789123456789")); |
| EXPECT_EQ(-123456789123456789, value.int_value()); |
| EXPECT_EQ(0, value.frac_value()); |
| |
| DecimalValue value2(std::string("0.987654321")); |
| EXPECT_EQ(0, value2.int_value()); |
| EXPECT_EQ(987654321, value2.frac_value()); |
| } |
| // truncate frac part |
| { |
| DecimalValue value(std::string("-123456789.987654321987654321")); |
| EXPECT_EQ(-123456789, value.int_value()); |
| EXPECT_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); |
| EXPECT_EQ("0", dst.to_string()); |
| |
| value.round(&dst, -1, CEILING); |
| EXPECT_EQ("10", dst.to_string()); |
| |
| value.round(&dst, -1, FLOOR); |
| EXPECT_EQ("0", dst.to_string()); |
| |
| value.round(&dst, -1, TRUNCATE); |
| EXPECT_EQ("0", dst.to_string()); |
| } |
| { |
| DecimalValue dst; |
| value.round(&dst, 0, HALF_UP); |
| EXPECT_EQ("1", dst.to_string()); |
| |
| value.round(&dst, 0, CEILING); |
| EXPECT_EQ("2", dst.to_string()); |
| |
| value.round(&dst, 0, FLOOR); |
| EXPECT_EQ("1", dst.to_string()); |
| |
| value.round(&dst, 0, TRUNCATE); |
| EXPECT_EQ("1", dst.to_string()); |
| } |
| |
| { |
| DecimalValue dst; |
| value.round(&dst, 1, HALF_UP); |
| EXPECT_EQ("1.2", dst.to_string()); |
| |
| value.round(&dst, 1, CEILING); |
| EXPECT_EQ("1.3", dst.to_string()); |
| |
| value.round(&dst, 1, FLOOR); |
| EXPECT_EQ("1.2", dst.to_string()); |
| |
| value.round(&dst, 1, TRUNCATE); |
| EXPECT_EQ("1.2", dst.to_string()); |
| } |
| |
| { |
| DecimalValue dst; |
| value.round(&dst, 2, HALF_UP); |
| EXPECT_EQ("1.25", dst.to_string()); |
| |
| value.round(&dst, 2, CEILING); |
| EXPECT_EQ("1.25", dst.to_string()); |
| |
| value.round(&dst, 2, FLOOR); |
| EXPECT_EQ("1.24", dst.to_string()); |
| |
| value.round(&dst, 2, TRUNCATE); |
| EXPECT_EQ("1.24", dst.to_string()); |
| } |
| |
| { |
| DecimalValue dst; |
| value.round(&dst, 3, HALF_UP); |
| EXPECT_EQ("1.249", dst.to_string()); |
| |
| value.round(&dst, 3, CEILING); |
| EXPECT_EQ("1.249", dst.to_string()); |
| |
| value.round(&dst, 3, FLOOR); |
| EXPECT_EQ("1.249", dst.to_string()); |
| |
| value.round(&dst, 3, TRUNCATE); |
| EXPECT_EQ("1.249", dst.to_string()); |
| } |
| |
| { |
| DecimalValue dst; |
| value.round(&dst, 4, HALF_UP); |
| EXPECT_EQ("1.249", dst.to_string()); |
| |
| value.round(&dst, 4, CEILING); |
| EXPECT_EQ("1.249", dst.to_string()); |
| |
| value.round(&dst, 4, FLOOR); |
| EXPECT_EQ("1.249", dst.to_string()); |
| |
| value.round(&dst, 4, TRUNCATE); |
| EXPECT_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); |
| EXPECT_EQ("0", dst.to_string()); |
| |
| value.round(&dst, -1, CEILING); |
| EXPECT_EQ("0", dst.to_string()); |
| |
| value.round(&dst, -1, FLOOR); |
| EXPECT_EQ("-10", dst.to_string()); |
| |
| value.round(&dst, -1, TRUNCATE); |
| EXPECT_EQ("0", dst.to_string()); |
| } |
| { |
| DecimalValue dst; |
| value.round(&dst, 0, HALF_UP); |
| EXPECT_EQ("-1", dst.to_string()); |
| |
| value.round(&dst, 0, CEILING); |
| EXPECT_EQ("-1", dst.to_string()); |
| |
| value.round(&dst, 0, FLOOR); |
| EXPECT_EQ("-2", dst.to_string()); |
| |
| value.round(&dst, 0, TRUNCATE); |
| EXPECT_EQ("-1", dst.to_string()); |
| } |
| |
| { |
| DecimalValue dst; |
| value.round(&dst, 1, HALF_UP); |
| EXPECT_EQ("-1.2", dst.to_string()); |
| |
| value.round(&dst, 1, CEILING); |
| EXPECT_EQ("-1.2", dst.to_string()); |
| |
| value.round(&dst, 1, FLOOR); |
| EXPECT_EQ("-1.3", dst.to_string()); |
| |
| value.round(&dst, 1, TRUNCATE); |
| EXPECT_EQ("-1.2", dst.to_string()); |
| } |
| |
| { |
| DecimalValue dst; |
| value.round(&dst, 2, HALF_UP); |
| EXPECT_EQ("-1.25", dst.to_string()); |
| |
| value.round(&dst, 2, CEILING); |
| EXPECT_EQ("-1.24", dst.to_string()); |
| |
| value.round(&dst, 2, FLOOR); |
| EXPECT_EQ("-1.25", dst.to_string()); |
| |
| value.round(&dst, 2, TRUNCATE); |
| EXPECT_EQ("-1.24", dst.to_string()); |
| } |
| |
| { |
| DecimalValue dst; |
| value.round(&dst, 3, HALF_UP); |
| EXPECT_EQ("-1.249", dst.to_string()); |
| |
| value.round(&dst, 3, CEILING); |
| EXPECT_EQ("-1.249", dst.to_string()); |
| |
| value.round(&dst, 3, FLOOR); |
| EXPECT_EQ("-1.249", dst.to_string()); |
| |
| value.round(&dst, 3, TRUNCATE); |
| EXPECT_EQ("-1.249", dst.to_string()); |
| } |
| |
| { |
| DecimalValue dst; |
| value.round(&dst, 4, HALF_UP); |
| EXPECT_EQ("-1.249", dst.to_string()); |
| |
| value.round(&dst, 4, CEILING); |
| EXPECT_EQ("-1.249", dst.to_string()); |
| |
| value.round(&dst, 4, FLOOR); |
| EXPECT_EQ("-1.249", dst.to_string()); |
| |
| value.round(&dst, 4, TRUNCATE); |
| EXPECT_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); |
| EXPECT_EQ("100.0", dst.to_string()); |
| } |
| } |
| { |
| DecimalValue value(std::string("123.12399")); |
| { |
| DecimalValue dst; |
| value.round(&dst, 4, HALF_UP); |
| EXPECT_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); |
| EXPECT_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); |
| EXPECT_STREQ("1.2", value->to_string().c_str()); |
| delete value; |
| } |
| } // end namespace doris |
