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CharacterGeneratorTest.php
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CharacterGeneratorTest.php
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<?php
namespace Eris\Generator;
use Eris\Random\RandomRange;
use Eris\Random\RandSource;
class CharacterGeneratorTest extends \PHPUnit\Framework\TestCase
{
/**
* @var int
*/
private $size;
/**
* @var RandomRange
*/
private $rand;
protected function setUp(): void
{
$this->size = 0;
$this->rand = new RandomRange(new RandSource());
}
public function testBasicAsciiCharacterGenerators(): void
{
$generator = CharacterGenerator::ascii();
for ($i = 0; $i < 100; $i++) {
$generatedValue = $generator($this->size, $this->rand);
$value = $generatedValue->unbox();
$this->assertEquals(1, strlen($value));
$this->assertGreaterThanOrEqual(0, ord($value));
$this->assertLessThanOrEqual(127, ord($value));
}
}
public function testPrintableAsciiCharacterGenerators(): void
{
$generator = CharacterGenerator::printableAscii();
for ($i = 0; $i < 100; $i++) {
$generatedValue = $generator($this->size, $this->rand);
$value = $generatedValue->unbox();
$this->assertEquals(1, strlen($value));
$this->assertGreaterThanOrEqual(32, ord($value));
$this->assertLessThanOrEqual(127, ord($value));
}
}
public function testCharacterGeneratorsShrinkByConventionToTheLowestCodePoint(): void
{
$generator = CharacterGenerator::ascii();
$this->assertEquals('@', $generator->shrink(GeneratedValueSingle::fromJustValue('A', 'character'))->unbox());
}
public function testTheLowestCodePointCannotBeShrunk(): void
{
$generator = new CharacterGenerator(65, 90);
$lowest = GeneratedValueSingle::fromJustValue('A', 'character');
$this->assertEquals($lowest, $generator->shrink($lowest));
}
}

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