kcal/tests/Unit/Support/NumberTest.php

71 lines
2.0 KiB
PHP

<?php
namespace Tests\Unit\Support;
use App\Support\Number;
use PHPUnit\Framework\TestCase;
class NumberTest extends TestCase
{
/**
* Test float to string conversion.
*
* @dataProvider decimalStringFloatsProvider
* @dataProvider fractionStringFloatsProvider
*
* @see \App\Support\Number::floatFromString()
*/
public function testFloatFromString(string $string, float $expectedFloat): void
{
$result = Number::floatFromString($string);
$this->assertIsFloat($result);
$this->assertEquals($expectedFloat, $result);
}
/**
* Test (rational) string to float conversion.
*
* @dataProvider fractionStringFloatsProvider
*
* @see \App\Support\Number::rationalStringFromFloat()
*/
public function testFractionStringFromFloat(string $expectedString, float $float): void
{
$result = Number::rationalStringFromFloat($float);
$this->assertIsString($result);
$this->assertEquals($expectedString, $result);
}
/**
* Data providers.
*/
/**
* Provide decimal string and float data.
*
* @see \Tests\Unit\Support\NumberTest::testFloatFromString()
*/
public function decimalStringFloatsProvider(): array {
return [
['0.0', 0.0], ['0.125', 1/8], ['0.25', 1/4], ['0.5', 1/2],
['0.75', 3/4], ['1.0', 1.0], ['1.25', 1.25], ['1.5', 1.5],
['2.5', 2.5], ['2.75', 2.75],
];
}
/**
* Provide fraction string and float data.
*
* @see \Tests\Unit\Support\NumberTest::testFloatFromString()
* @see \Tests\Unit\Support\NumberTest::testFractionStringFromFloat()
*/
public function fractionStringFloatsProvider(): array {
return [
['0', 0.0], ['1/8', 1/8], ['1/4', 1/4], ['1/3', 1/3], ['1/2', 1/2],
['2/3', 2/3], ['3/4', 3/4], ['1', 1.0], ['1 1/4', 1.25], ['1 1/3', 1 + 1/3],
['1 1/2', 1.5], ['1 2/3', 1 + 2/3], ['2 1/2', 2.5], ['2 3/4', 2.75],
];
}
}