<?php

class DecimalTest extends DatabaseTestCase
{
    public function testMax()
    {
        $first = toDecimal('1.2');
        $second = toDecimal('1.5');

        $this->assertEquals($second, Decimal::max($first, $second));
    }

    public function testDecimalComma()
    {
        $this->assertEquals(toDecimal('1,2'), toDecimal('1.2'));
    }

    /**
     * @dataProvider data_testCompare
     */
    public function testCompareSurprisinglyWorks($lower, $greater)
    {
        $this->assertTrue($lower < $greater);
        $this->assertTrue($greater > $lower);
        $this->assertFalse($lower > $greater);
        $this->assertFalse($greater < $lower);
    }

    public function data_testCompare()
    {
        return [
            [toDecimal('0.1'), toDecimal('0.2')],
            [toDecimal('5'), toDecimal('10')],
            [toDecimal('01'), toDecimal('2')],
            [toDecimal('-1'), DecimalConstants::zero()],
            [toDecimal('-2'), DecimalConstants::negativeOne()],
            [\Decimal::fromString('-2', 8), \Decimal::fromString('-1', 4)],
            [\Decimal::fromString('-2', 4), \Decimal::fromString('-1', 8)],
            [toDecimal('0.1'), '0.2'],
            ['0.1', toDecimal('0.2')],
        ];
    }
}