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<?php |
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declare(strict_types=1); |
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namespace Remorhaz\UniLex\Example\Brainfuck\Test; |
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use PHPUnit\Framework\TestCase; |
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use Remorhaz\UniLex\Example\Brainfuck\Command\OutputCommand; |
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use Remorhaz\UniLex\Example\Brainfuck\Exception as BrainfuckException; |
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use Remorhaz\UniLex\Example\Brainfuck\Runtime; |
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/** |
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* @covers \Remorhaz\UniLex\Example\Brainfuck\Runtime |
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* @covers \Remorhaz\UniLex\Example\Brainfuck\Command\OutputCommand |
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*/ |
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class RuntimeTest extends TestCase |
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{ |
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/** |
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* @param int $memory |
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* @dataProvider providerNonPositiveMemory |
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* @throws BrainfuckException |
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*/ |
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public function testConstruct_NonPositiveMemory_ThrowsException(int $memory): void |
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{ |
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$this->expectException(BrainfuckException::class); |
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$this->expectExceptionMessage('Memory amount must be positive'); |
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new Runtime($memory); |
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} |
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public function providerNonPositiveMemory(): array |
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{ |
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return [ |
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'Zero memory' => [0], |
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'Negative memory' => [-1], |
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]; |
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} |
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/** |
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* @throws BrainfuckException |
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*/ |
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public function testGetOutput_NoOutputCommandsExecuted_ReturnsEmptyString(): void |
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{ |
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$actualValue = (new Runtime())->getOutput(); |
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self::assertSame('', $actualValue); |
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} |
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/** |
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* @throws BrainfuckException |
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*/ |
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public function testGetOutput_OutputCommandExecuted_ReturnsMatchingString(): void |
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{ |
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$runtime = new Runtime(); |
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$command = new OutputCommand($runtime); |
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$runtime->addCommand($command); |
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$command->exec(); |
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$actualValue = $runtime->getOutput(); |
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self::assertSame("\0", $actualValue); |
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} |
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} |
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