* @copyright 2015-2026 Jim Wigginton
* @license http://www.opensource.org/licenses/mit-license.html MIT License
*/
declare(strict_types=1);
namespace phpseclib4\Tests\Unit\File;
use phpseclib4\File\ANSI;
use phpseclib4\Tests\PhpseclibTestCase;
class ANSITest extends PhpseclibTestCase
{
public function testCase1(): void
{
$str = "\x1B[07m"; // turn reverse video on
$str .= "aaaaaaaaaaaaaaaaaa";
$str .= "\x1B[10D"; // move cursor left 10 lines
$str .= "\x1B[m"; // reset everything
$str .= "bbb";
$ansi = new ANSI();
$ansi->appendString($str);
$expected = '';
$expected .= 'aaaaaaaa';
$expected .= 'bbb';
$expected .= 'aaaaaaa';
$expected .= '';
$this->assertSame($ansi->getScreen(), $expected);
}
public function testCaseJ(): void
{
$str = "\x1B[H"; // Move cursor to upper left corner
$str .= "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
$str .= "\x1B[H"; // Move cursor to upper left corner
$str .= "\x1B[J"; // Clear screen from cursor down
$ansi = new ANSI();
$ansi->appendString($str);
$expected = '';
$expected .= '';
$this->assertSame($ansi->getScreen(), $expected);
}
public function testLineOverflow(): void
{
$str = '';
foreach (range('a', 'y') as $char) {
$str .= "$char\r\n";
}
$str .= str_repeat('z', 100);
$ansi = new ANSI();
$ansi->appendString($str);
$screen = $ansi->getScreen();
$lines = explode("\r\n", $screen);
$this->assertCount(24, $lines);
$this->assertSame(str_repeat('z', 80), $lines[22]);
}
}