| # 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. |
| |
| class TestDecimal256 < Test::Unit::TestCase |
| include Helper::Omittable |
| |
| def test_copy |
| decimal = Arrow::Decimal256.new("234.23445") |
| assert_equal(decimal, decimal.copy) |
| end |
| |
| def test_to_string_scale |
| integer_data = 23423445 |
| string_data = "234.23445" |
| decimal = Arrow::Decimal256.new(integer_data) |
| assert_equal(string_data, decimal.to_string_scale(5)) |
| end |
| |
| def test_to_string |
| string_data = "99999999999999999999999999999999999999" |
| decimal = Arrow::Decimal256.new(string_data) |
| assert_equal(string_data, decimal.to_s) |
| end |
| |
| def test_to_bytes |
| decimal = Arrow::Decimal256.new("12.3") |
| assert_equal([123, 0, 0, 0].pack("q*"), |
| decimal.to_bytes.to_s) |
| end |
| |
| def test_abs |
| absolute_value = "23049223942343532412" |
| negative_value = "-23049223942343532412" |
| decimal = Arrow::Decimal256.new(negative_value) |
| decimal.abs |
| assert_equal(absolute_value, decimal.to_s) |
| end |
| |
| def test_negate |
| positive_value = "23049223942343532412" |
| negative_value = "-23049223942343532412" |
| decimal = Arrow::Decimal256.new(positive_value) |
| decimal.negate |
| assert_equal(negative_value, decimal.to_s) |
| decimal.negate |
| assert_equal(positive_value, decimal.to_s) |
| end |
| |
| def test_plus |
| integer_data1 = 23423445 |
| integer_data2 = 5443 |
| decimal1 = Arrow::Decimal256.new(integer_data1) |
| decimal2 = Arrow::Decimal256.new(integer_data2) |
| decimal3 = decimal1.plus(decimal2) |
| assert_equal((integer_data1 + integer_data2).to_s, |
| decimal3.to_s) |
| end |
| |
| def test_multiply |
| integer_data1 = 23423445 |
| integer_data2 = 5443 |
| decimal1 = Arrow::Decimal256.new(integer_data1) |
| decimal2 = Arrow::Decimal256.new(integer_data2) |
| decimal3 = decimal1.multiply(decimal2) |
| assert_equal((integer_data1 * integer_data2).to_s, |
| decimal3.to_s) |
| end |
| |
| def test_divide |
| require_gi_bindings(3, 3, 0) |
| integer_data1 = 23423445 |
| integer_data2 = -5443 |
| decimal1 = Arrow::Decimal256.new(integer_data1) |
| decimal2 = Arrow::Decimal256.new(integer_data2) |
| result, remainder = decimal1.divide(decimal2) |
| assert_equal([ |
| integer_data1.quo(integer_data2).truncate.to_s, |
| integer_data1.remainder(integer_data2).to_s, |
| ], |
| [result.to_s, remainder.to_s]) |
| end |
| |
| def test_divide_zero |
| require_gi_bindings(3, 3, 0) |
| decimal1 = Arrow::Decimal256.new(23423445) |
| decimal2 = Arrow::Decimal256.new(0) |
| message = |
| "[decimal256][divide]: Invalid: Division by 0 in Decimal256" |
| assert_raise(Arrow::Error::Invalid.new(message)) do |
| decimal1.divide(decimal2) |
| end |
| end |
| |
| def test_equal |
| decimal = Arrow::Decimal256.new(10) |
| other_decimal1 = Arrow::Decimal256.new(10) |
| other_decimal2 = Arrow::Decimal256.new(11) |
| assert_equal([ |
| true, |
| false, |
| ], |
| [ |
| decimal == other_decimal1, |
| decimal == other_decimal2, |
| ]) |
| end |
| |
| def test_not_equal |
| require_gi_bindings(3, 3, 1) |
| decimal = Arrow::Decimal256.new(10) |
| other_decimal1 = Arrow::Decimal256.new(10) |
| other_decimal2 = Arrow::Decimal256.new(11) |
| assert_equal([ |
| false, |
| true, |
| ], |
| [ |
| decimal != other_decimal1, |
| decimal != other_decimal2, |
| ]) |
| end |
| |
| def test_less_than |
| require_gi_bindings(3, 3, 1) |
| decimal = Arrow::Decimal256.new(10) |
| other_decimal1 = Arrow::Decimal256.new(11) |
| other_decimal2 = Arrow::Decimal256.new(9) |
| assert_equal([ |
| true, |
| false, |
| false |
| ], |
| [ |
| decimal < other_decimal1, |
| decimal < other_decimal2, |
| decimal < decimal, |
| ]) |
| end |
| |
| def test_less_than_or_equal |
| require_gi_bindings(3, 3, 1) |
| decimal = Arrow::Decimal256.new(10) |
| other_decimal1 = Arrow::Decimal256.new(11) |
| other_decimal2 = Arrow::Decimal256.new(9) |
| assert_equal([ |
| true, |
| false, |
| true |
| ], |
| [ |
| decimal <= other_decimal1, |
| decimal <= other_decimal2, |
| decimal <= decimal |
| ]) |
| end |
| |
| def test_greater_than |
| require_gi_bindings(3, 3, 1) |
| decimal = Arrow::Decimal256.new(10) |
| other_decimal1 = Arrow::Decimal256.new(11) |
| other_decimal2 = Arrow::Decimal256.new(9) |
| assert_equal([ |
| false, |
| true, |
| false |
| ], |
| [ |
| decimal > other_decimal1, |
| decimal > other_decimal2, |
| decimal > decimal |
| ]) |
| end |
| |
| def test_greater_than_or_equal |
| require_gi_bindings(3, 3, 1) |
| decimal = Arrow::Decimal256.new(10) |
| other_decimal1 = Arrow::Decimal256.new(11) |
| other_decimal2 = Arrow::Decimal256.new(9) |
| assert_equal([ |
| false, |
| true, |
| true |
| ], |
| [ |
| decimal >= other_decimal1, |
| decimal >= other_decimal2, |
| decimal >= decimal |
| ]) |
| end |
| |
| def test_rescale |
| decimal = Arrow::Decimal256.new(10) |
| assert_equal(Arrow::Decimal256.new(1000), |
| decimal.rescale(1, 3)) |
| end |
| |
| def test_rescale_fail |
| decimal = Arrow::Decimal256.new(10) |
| message = |
| "[decimal256][rescale]: Invalid: " + |
| "Rescaling Decimal256 value would cause data loss" |
| assert_raise(Arrow::Error::Invalid.new(message)) do |
| decimal.rescale(1, -1) |
| end |
| end |
| end |