95 lines
3.0 KiB
PHP
95 lines
3.0 KiB
PHP
<?php
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namespace CommerceGuys\Intl\Tests;
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use CommerceGuys\Intl\Calculator;
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use PHPUnit\Framework\TestCase;
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/**
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* @coversDefaultClass \CommerceGuys\Intl\Calculator
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*/
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final class CalculatorTest extends TestCase
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{
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/**
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* @covers ::add
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* @covers ::subtract
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* @covers ::multiply
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* @covers ::divide
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* @covers ::compare
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* @covers ::trim
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*/
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public function testArithmetic()
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{
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$this->assertEquals('11', Calculator::add('5', '6'));
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$this->assertEquals('-9', Calculator::subtract('11', '20'));
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$this->assertEquals('132', Calculator::multiply('11', '12'));
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$this->assertEquals('12.012', Calculator::divide('132.132', '11'));
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$this->assertEquals('3', Calculator::trim('3.00'));
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$this->assertEquals('3.03', Calculator::trim('3.030'));
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}
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/**
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* @covers ::compare
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*/
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public function testComparison()
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{
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$this->assertEquals('0', Calculator::compare('1', '1'));
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$this->assertEquals('1', Calculator::compare('2', '1'));
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$this->assertEquals('-1', Calculator::compare('1', '2'));
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}
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/**
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* @covers ::ceil
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* @covers ::floor
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* @covers ::round
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*/
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public function testRounding()
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{
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$this->assertEquals('5', Calculator::ceil('4.4'));
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$this->assertEquals('-4', Calculator::ceil('-4.4'));
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$this->assertEquals('4', Calculator::floor('4.8'));
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$this->assertEquals('-5', Calculator::floor('-4.8'));
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$rounding_data = [
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['1.95583', 2, PHP_ROUND_HALF_UP, '1.96'],
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['9.4', 0, PHP_ROUND_HALF_UP, '9'],
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['9.6', 0, PHP_ROUND_HALF_UP, '10'],
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['9.5', 0, PHP_ROUND_HALF_UP, '10'],
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['9.5', 0, PHP_ROUND_HALF_DOWN, '9'],
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['9.5', 0, PHP_ROUND_HALF_EVEN, '10'],
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['9.5', 0, PHP_ROUND_HALF_ODD, '9'],
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['8.5', 0, PHP_ROUND_HALF_UP, '9'],
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['8.5', 0, PHP_ROUND_HALF_DOWN, '8'],
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['8.5', 0, PHP_ROUND_HALF_EVEN, '8'],
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['8.5', 0, PHP_ROUND_HALF_ODD, '9'],
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['1.55', 1, PHP_ROUND_HALF_UP, '1.6'],
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['1.54', 1, PHP_ROUND_HALF_UP, '1.5'],
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['-1.55', 1, PHP_ROUND_HALF_UP, '-1.6'],
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['-1.54', 1, PHP_ROUND_HALF_UP, '-1.5'],
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['1.55', 1, PHP_ROUND_HALF_DOWN, '1.5'],
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['1.54', 1, PHP_ROUND_HALF_DOWN, '1.5'],
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['-1.55', 1, PHP_ROUND_HALF_DOWN, '-1.5'],
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['-1.54', 1, PHP_ROUND_HALF_DOWN, '-1.5'],
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['1.55', 1, PHP_ROUND_HALF_EVEN, '1.6'],
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['1.54', 1, PHP_ROUND_HALF_EVEN, '1.5'],
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['-1.55', 1, PHP_ROUND_HALF_EVEN, '-1.6'],
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['-1.54', 1, PHP_ROUND_HALF_EVEN, '-1.5'],
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['1.55', 1, PHP_ROUND_HALF_ODD, '1.5'],
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['1.54', 1, PHP_ROUND_HALF_ODD, '1.5'],
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['-1.55', 1, PHP_ROUND_HALF_ODD, '-1.5'],
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['-1.54', 1, PHP_ROUND_HALF_ODD, '-1.5'],
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];
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foreach ($rounding_data as $item) {
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$this->assertEquals($item[3], Calculator::round($item[0], $item[1], $item[2]));
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}
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}
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}
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