| // 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 <string> |
| |
| #include <gtest/gtest.h> |
| |
| #include "kudu/util/decimal_util.h" |
| |
| using std::string; |
| |
| namespace kudu { |
| |
| TEST(TestDecimalUtil, TestMaxUnscaledDecimal) { |
| ASSERT_EQ(9, MaxUnscaledDecimal(1)); |
| ASSERT_EQ(99999, MaxUnscaledDecimal(5)); |
| ASSERT_EQ(kMaxUnscaledDecimal32, MaxUnscaledDecimal(kMaxDecimal32Precision)); |
| ASSERT_EQ(kMaxUnscaledDecimal64, MaxUnscaledDecimal(kMaxDecimal64Precision)); |
| ASSERT_EQ(kMaxUnscaledDecimal128, MaxUnscaledDecimal(kMaxDecimal128Precision)); |
| } |
| |
| TEST(TestDecimalUtil, TestMinUnscaledDecimal) { |
| ASSERT_EQ(-9, MinUnscaledDecimal(1)); |
| ASSERT_EQ(-99999, MinUnscaledDecimal(5)); |
| ASSERT_EQ(kMinUnscaledDecimal32, MinUnscaledDecimal(kMaxDecimal32Precision)); |
| ASSERT_EQ(kMinUnscaledDecimal64, MinUnscaledDecimal(kMaxDecimal64Precision)); |
| ASSERT_EQ(kMinUnscaledDecimal128, MinUnscaledDecimal(kMaxDecimal128Precision)); |
| } |
| |
| TEST(TestDecimalUtil, TestToString) { |
| ASSERT_EQ("999999999", |
| DecimalToString(kMaxUnscaledDecimal32, kDefaultDecimalScale)); |
| ASSERT_EQ("0.999999999", |
| DecimalToString(kMaxUnscaledDecimal32, kMaxDecimal32Precision)); |
| ASSERT_EQ("-999999999", |
| DecimalToString(kMinUnscaledDecimal32, kDefaultDecimalScale)); |
| ASSERT_EQ("-0.999999999", |
| DecimalToString(kMinUnscaledDecimal32, kMaxDecimal32Precision)); |
| |
| ASSERT_EQ("999999999999999999", |
| DecimalToString(kMaxUnscaledDecimal64, kDefaultDecimalScale)); |
| ASSERT_EQ("0.999999999999999999", |
| DecimalToString(kMaxUnscaledDecimal64, kMaxDecimal64Precision)); |
| ASSERT_EQ("-999999999999999999", |
| DecimalToString(kMinUnscaledDecimal64, kDefaultDecimalScale)); |
| ASSERT_EQ("-0.999999999999999999", |
| DecimalToString(kMinUnscaledDecimal64, kMaxDecimal64Precision)); |
| |
| ASSERT_EQ("99999999999999999999999999999999999999", |
| DecimalToString(kMaxUnscaledDecimal128, kDefaultDecimalScale)); |
| ASSERT_EQ("0.99999999999999999999999999999999999999", |
| DecimalToString(kMaxUnscaledDecimal128, kMaxDecimal128Precision)); |
| ASSERT_EQ("-99999999999999999999999999999999999999", |
| DecimalToString(kMinUnscaledDecimal128, kDefaultDecimalScale)); |
| ASSERT_EQ("-0.99999999999999999999999999999999999999", |
| DecimalToString(kMinUnscaledDecimal128, kMaxDecimal128Precision)); |
| |
| ASSERT_EQ("0", DecimalToString(0, 0)); |
| ASSERT_EQ("12345", DecimalToString(12345, 0)); |
| ASSERT_EQ("-12345", DecimalToString(-12345, 0)); |
| ASSERT_EQ("123.45", DecimalToString(12345, 2)); |
| ASSERT_EQ("-123.45", DecimalToString(-12345, 2)); |
| ASSERT_EQ("0.00012345", DecimalToString(12345, 8)); |
| ASSERT_EQ("-0.00012345", DecimalToString(-12345, 8)); |
| } |
| |
| } // namespace kudu |