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<?php
use PHPUnit\Framework\TestCase;
class IpUtilTest extends TestCase
{
public function testParseCidrWithSlashNotation(): void
{
$res = IpUtil::parseCidr('192.168.1/24');
$this->assertNotNull($res);
$this->assertSame(ip2long('192.168.1.0'), $res['start']);
$this->assertSame(ip2long('192.168.1.255'), $res['end']);
}
public function testParseCidrSingleIp(): void
{
$res = IpUtil::parseCidr('10.0.0.1');
$this->assertNotNull($res);
$this->assertSame(ip2long('10.0.0.1'), $res['start']);
$this->assertSame(ip2long('10.0.0.1'), $res['end']);
}
public function testParseCidrInvalid(): void
{
$this->assertNull(IpUtil::parseCidr('1.2.3.4/33'));
$this->assertNull(IpUtil::parseCidr('not-an-ip'));
}
public function testIsValidSubnetRange(): void
{
$start = ip2long('192.168.0.0');
$end = ip2long('192.168.0.255');
$this->assertTrue(IpUtil::isValidSubnetRange($start, $end));
$start = ip2long('192.168.0.1');
$end = ip2long('192.168.0.254');
$this->assertFalse(IpUtil::isValidSubnetRange($start, $end));
// single IP should be considered a valid /32 range
$ip = ip2long('10.0.0.1');
$this->assertTrue(IpUtil::isValidSubnetRange($ip, $ip));
}
public function testRangeToCidrValid(): void
{
$start = ip2long('192.168.2.0');
$end = ip2long('192.168.2.255');
$this->assertSame('192.168.2.0/24', IpUtil::rangeToCidr($start, $end));
}
public function testRangeToCidrNotSubnet(): void
{
$start = ip2long('192.168.5.1');
$end = ip2long('192.168.5.254');
$this->assertSame(
'NOT SUBNET: 192.168.5.1-192.168.5.254',
IpUtil::rangeToCidr($start, $end)
);
}
}
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