tests/phpunit/includes/libs/IPTest.php

   1 <?php
   2 /**
   3  * Tests for IP validity functions.
   4  *
   5  * Ported from /t/inc/IP.t by avar.
   6  *
   7  * @group IP
   8  * @todo Test methods in this call should be split into a method and a
   9  * dataprovider.
  10  */
  11 class IPTest extends PHPUnit\Framework\TestCase {
  12
  13         use MediaWikiCoversValidator;
  14
  15         /**
  16          * @covers IP::isIPAddress
  17          * @dataProvider provideInvalidIPs
  18          */
  19         public function isNotIPAddress( $val, $desc ) {
  20                 $this->assertFalse( IP::isIPAddress( $val ), $desc );
  21         }
  22
  23         /**
  24          * Provide a list of things that aren't IP addresses
  25          */
  26         public function provideInvalidIPs() {
  27                 return [
  28                         [ false, 'Boolean false is not an IP' ],
  29                         [ true, 'Boolean true is not an IP' ],
  30                         [ '', 'Empty string is not an IP' ],
  31                         [ 'abc', 'Garbage IP string' ],
  32                         [ ':', 'Single ":" is not an IP' ],
  33                         [ '2001:0DB8::A:1::1', 'IPv6 with a double :: occurrence' ],
  34                         [ '2001:0DB8::A:1::', 'IPv6 with a double :: occurrence, last at end' ],
  35                         [ '::2001:0DB8::5:1', 'IPv6 with a double :: occurrence, firt at beginning' ],
  36                         [ '124.24.52', 'IPv4 not enough quads' ],
  37                         [ '24.324.52.13', 'IPv4 out of range' ],
  38                         [ '.24.52.13', 'IPv4 starts with period' ],
  39                         [ 'fc:100:300', 'IPv6 with only 3 words' ],
  40                 ];
  41         }
  42
  43         /**
  44          * @covers IP::isIPAddress
  45          */
  46         public function testisIPAddress() {
  47                 $this->assertTrue( IP::isIPAddress( '::' ), 'RFC 4291 IPv6 Unspecified Address' );
  48                 $this->assertTrue( IP::isIPAddress( '::1' ), 'RFC 4291 IPv6 Loopback Address' );
  49                 $this->assertTrue( IP::isIPAddress( '74.24.52.13/20' ), 'IPv4 range' );
  50                 $this->assertTrue( IP::isIPAddress( 'fc:100:a:d:1:e:ac:0/24' ), 'IPv6 range' );
  51                 $this->assertTrue( IP::isIPAddress( 'fc::100:a:d:1:e:ac/96' ), 'IPv6 range with "::"' );
  52
  53                 $validIPs = [ 'fc:100::', 'fc:100:a:d:1:e:ac::', 'fc::100', '::fc:100:a:d:1:e:ac',
  54                         '::fc', 'fc::100:a:d:1:e:ac', 'fc:100:a:d:1:e:ac:0', '124.24.52.13', '1.24.52.13' ];
  55                 foreach ( $validIPs as $ip ) {
  56                         $this->assertTrue( IP::isIPAddress( $ip ), "$ip is a valid IP address" );
  57                 }
  58         }
  59
  60         /**
  61          * @covers IP::isIPv6
  62          */
  63         public function testisIPv6() {
  64                 $this->assertFalse( IP::isIPv6( ':fc:100::' ), 'IPv6 starting with lone ":"' );
  65                 $this->assertFalse( IP::isIPv6( 'fc:100:::' ), 'IPv6 ending with a ":::"' );
  66                 $this->assertFalse( IP::isIPv6( 'fc:300' ), 'IPv6 with only 2 words' );
  67                 $this->assertFalse( IP::isIPv6( 'fc:100:300' ), 'IPv6 with only 3 words' );
  68
  69                 $this->assertTrue( IP::isIPv6( 'fc:100::' ) );
  70                 $this->assertTrue( IP::isIPv6( 'fc:100:a::' ) );
  71                 $this->assertTrue( IP::isIPv6( 'fc:100:a:d::' ) );
  72                 $this->assertTrue( IP::isIPv6( 'fc:100:a:d:1::' ) );
  73                 $this->assertTrue( IP::isIPv6( 'fc:100:a:d:1:e::' ) );
  74                 $this->assertTrue( IP::isIPv6( 'fc:100:a:d:1:e:ac::' ) );
  75
  76                 $this->assertFalse( IP::isIPv6( 'fc:100:a:d:1:e:ac:0::' ), 'IPv6 with 8 words ending with "::"' );
  77                 $this->assertFalse(
  78                         IP::isIPv6( 'fc:100:a:d:1:e:ac:0:1::' ),
  79                         'IPv6 with 9 words ending with "::"'
  80                 );
  81
  82                 $this->assertFalse( IP::isIPv6( ':::' ) );
  83                 $this->assertFalse( IP::isIPv6( '::0:' ), 'IPv6 ending in a lone ":"' );
  84
  85                 $this->assertTrue( IP::isIPv6( '::' ), 'IPv6 zero address' );
  86                 $this->assertTrue( IP::isIPv6( '::0' ) );
  87                 $this->assertTrue( IP::isIPv6( '::fc' ) );
  88                 $this->assertTrue( IP::isIPv6( '::fc:100' ) );
  89                 $this->assertTrue( IP::isIPv6( '::fc:100:a' ) );
  90                 $this->assertTrue( IP::isIPv6( '::fc:100:a:d' ) );
  91                 $this->assertTrue( IP::isIPv6( '::fc:100:a:d:1' ) );
  92                 $this->assertTrue( IP::isIPv6( '::fc:100:a:d:1:e' ) );
  93                 $this->assertTrue( IP::isIPv6( '::fc:100:a:d:1:e:ac' ) );
  94
  95                 $this->assertFalse( IP::isIPv6( '::fc:100:a:d:1:e:ac:0' ), 'IPv6 with "::" and 8 words' );
  96                 $this->assertFalse( IP::isIPv6( '::fc:100:a:d:1:e:ac:0:1' ), 'IPv6 with 9 words' );
  97
  98                 $this->assertFalse( IP::isIPv6( ':fc::100' ), 'IPv6 starting with lone ":"' );
  99                 $this->assertFalse( IP::isIPv6( 'fc::100:' ), 'IPv6 ending with lone ":"' );
 100                 $this->assertFalse( IP::isIPv6( 'fc:::100' ), 'IPv6 with ":::" in the middle' );
 101
 102                 $this->assertTrue( IP::isIPv6( 'fc::100' ), 'IPv6 with "::" and 2 words' );
 103                 $this->assertTrue( IP::isIPv6( 'fc::100:a' ), 'IPv6 with "::" and 3 words' );
 104                 $this->assertTrue( IP::isIPv6( 'fc::100:a:d' ), 'IPv6 with "::" and 4 words' );
 105                 $this->assertTrue( IP::isIPv6( 'fc::100:a:d:1' ), 'IPv6 with "::" and 5 words' );
 106                 $this->assertTrue( IP::isIPv6( 'fc::100:a:d:1:e' ), 'IPv6 with "::" and 6 words' );
 107                 $this->assertTrue( IP::isIPv6( 'fc::100:a:d:1:e:ac' ), 'IPv6 with "::" and 7 words' );
 108                 $this->assertTrue( IP::isIPv6( '2001::df' ), 'IPv6 with "::" and 2 words' );
 109                 $this->assertTrue( IP::isIPv6( '2001:5c0:1400:a::df' ), 'IPv6 with "::" and 5 words' );
 110                 $this->assertTrue( IP::isIPv6( '2001:5c0:1400:a::df:2' ), 'IPv6 with "::" and 6 words' );
 111
 112                 $this->assertFalse( IP::isIPv6( 'fc::100:a:d:1:e:ac:0' ), 'IPv6 with "::" and 8 words' );
 113                 $this->assertFalse( IP::isIPv6( 'fc::100:a:d:1:e:ac:0:1' ), 'IPv6 with 9 words' );
 114
 115                 $this->assertTrue( IP::isIPv6( 'fc:100:a:d:1:e:ac:0' ) );
 116         }
 117
 118         /**
 119          * @covers IP::isIPv4
 120          * @dataProvider provideInvalidIPv4Addresses
 121          */
 122         public function testisNotIPv4( $bogusIP, $desc ) {
 123                 $this->assertFalse( IP::isIPv4( $bogusIP ), $desc );
 124         }
 125
 126         public function provideInvalidIPv4Addresses() {
 127                 return [
 128                         [ false, 'Boolean false is not an IP' ],
 129                         [ true, 'Boolean true is not an IP' ],
 130                         [ '', 'Empty string is not an IP' ],
 131                         [ 'abc', 'Letters are not an IP' ],
 132                         [ ':', 'A colon is not an IP' ],
 133                         [ '124.24.52', 'IPv4 not enough quads' ],
 134                         [ '24.324.52.13', 'IPv4 out of range' ],
 135                         [ '.24.52.13', 'IPv4 starts with period' ],
 136                 ];
 137         }
 138
 139         /**
 140          * @covers IP::isIPv4
 141          * @dataProvider provideValidIPv4Address
 142          */
 143         public function testIsIPv4( $ip, $desc ) {
 144                 $this->assertTrue( IP::isIPv4( $ip ), $desc );
 145         }
 146
 147         /**
 148          * Provide some IPv4 addresses and ranges
 149          */
 150         public function provideValidIPv4Address() {
 151                 return [
 152                         [ '124.24.52.13', 'Valid IPv4 address' ],
 153                         [ '1.24.52.13', 'Another valid IPv4 address' ],
 154                         [ '74.24.52.13/20', 'An IPv4 range' ],
 155                 ];
 156         }
 157
 158         /**
 159          * @covers IP::isValid
 160          */
 161         public function testValidIPs() {
 162                 foreach ( range( 0, 255 ) as $i ) {
 163                         $a = sprintf( "%03d", $i );
 164                         $b = sprintf( "%02d", $i );
 165                         $c = sprintf( "%01d", $i );
 166                         foreach ( array_unique( [ $a, $b, $c ] ) as $f ) {
 167                                 $ip = "$f.$f.$f.$f";
 168                                 $this->assertTrue( IP::isValid( $ip ), "$ip is a valid IPv4 address" );
 169                         }
 170                 }
 171                 foreach ( range( 0x0, 0xFFFF, 0xF ) as $i ) {
 172                         $a = sprintf( "%04x", $i );
 173                         $b = sprintf( "%03x", $i );
 174                         $c = sprintf( "%02x", $i );
 175                         foreach ( array_unique( [ $a, $b, $c ] ) as $f ) {
 176                                 $ip = "$f:$f:$f:$f:$f:$f:$f:$f";
 177                                 $this->assertTrue( IP::isValid( $ip ), "$ip is a valid IPv6 address" );
 178                         }
 179                 }
 180                 // test with some abbreviations
 181                 $this->assertFalse( IP::isValid( ':fc:100::' ), 'IPv6 starting with lone ":"' );
 182                 $this->assertFalse( IP::isValid( 'fc:100:::' ), 'IPv6 ending with a ":::"' );
 183                 $this->assertFalse( IP::isValid( 'fc:300' ), 'IPv6 with only 2 words' );
 184                 $this->assertFalse( IP::isValid( 'fc:100:300' ), 'IPv6 with only 3 words' );
 185
 186                 $this->assertTrue( IP::isValid( 'fc:100::' ) );
 187                 $this->assertTrue( IP::isValid( 'fc:100:a:d:1:e::' ) );
 188                 $this->assertTrue( IP::isValid( 'fc:100:a:d:1:e:ac::' ) );
 189
 190                 $this->assertTrue( IP::isValid( 'fc::100' ), 'IPv6 with "::" and 2 words' );
 191                 $this->assertTrue( IP::isValid( 'fc::100:a' ), 'IPv6 with "::" and 3 words' );
 192                 $this->assertTrue( IP::isValid( '2001::df' ), 'IPv6 with "::" and 2 words' );
 193                 $this->assertTrue( IP::isValid( '2001:5c0:1400:a::df' ), 'IPv6 with "::" and 5 words' );
 194                 $this->assertTrue( IP::isValid( '2001:5c0:1400:a::df:2' ), 'IPv6 with "::" and 6 words' );
 195                 $this->assertTrue( IP::isValid( 'fc::100:a:d:1' ), 'IPv6 with "::" and 5 words' );
 196                 $this->assertTrue( IP::isValid( 'fc::100:a:d:1:e:ac' ), 'IPv6 with "::" and 7 words' );
 197
 198                 $this->assertFalse(
 199                         IP::isValid( 'fc:100:a:d:1:e:ac:0::' ),
 200                         'IPv6 with 8 words ending with "::"'
 201                 );
 202                 $this->assertFalse(
 203                         IP::isValid( 'fc:100:a:d:1:e:ac:0:1::' ),
 204                         'IPv6 with 9 words ending with "::"'
 205                 );
 206         }
 207
 208         /**
 209          * @covers IP::isValid
 210          */
 211         public function testInvalidIPs() {
 212                 // Out of range...
 213                 foreach ( range( 256, 999 ) as $i ) {
 214                         $a = sprintf( "%03d", $i );
 215                         $b = sprintf( "%02d", $i );
 216                         $c = sprintf( "%01d", $i );
 217                         foreach ( array_unique( [ $a, $b, $c ] ) as $f ) {
 218                                 $ip = "$f.$f.$f.$f";
 219                                 $this->assertFalse( IP::isValid( $ip ), "$ip is not a valid IPv4 address" );
 220                         }
 221                 }
 222                 foreach ( range( 'g', 'z' ) as $i ) {
 223                         $a = sprintf( "%04s", $i );
 224                         $b = sprintf( "%03s", $i );
 225                         $c = sprintf( "%02s", $i );
 226                         foreach ( array_unique( [ $a, $b, $c ] ) as $f ) {
 227                                 $ip = "$f:$f:$f:$f:$f:$f:$f:$f";
 228                                 $this->assertFalse( IP::isValid( $ip ), "$ip is not a valid IPv6 address" );
 229                         }
 230                 }
 231                 // Have CIDR
 232                 $ipCIDRs = [
 233                         '212.35.31.121/32',
 234                         '212.35.31.121/18',
 235                         '212.35.31.121/24',
 236                         '::ff:d:321:5/96',
 237                         'ff::d3:321:5/116',
 238                         'c:ff:12:1:ea:d:321:5/120',
 239                 ];
 240                 foreach ( $ipCIDRs as $i ) {
 241                         $this->assertFalse( IP::isValid( $i ),
 242                                 "$i is an invalid IP address because it is a range" );
 243                 }
 244                 // Incomplete/garbage
 245                 $invalid = [
 246                         'www.xn--var-xla.net',
 247                         '216.17.184.G',
 248                         '216.17.184.1.',
 249                         '216.17.184',
 250                         '216.17.184.',
 251                         '256.17.184.1'
 252                 ];
 253                 foreach ( $invalid as $i ) {
 254                         $this->assertFalse( IP::isValid( $i ), "$i is an invalid IP address" );
 255                 }
 256         }
 257
 258         /**
 259          * Provide some valid IP ranges
 260          */
 261         public function provideValidRanges() {
 262                 return [
 263                         [ '116.17.184.5/32' ],
 264                         [ '0.17.184.5/30' ],
 265                         [ '16.17.184.1/24' ],
 266                         [ '30.242.52.14/1' ],
 267                         [ '10.232.52.13/8' ],
 268                         [ '30.242.52.14/0' ],
 269                         [ '::e:f:2001/96' ],
 270                         [ '::c:f:2001/128' ],
 271                         [ '::10:f:2001/70' ],
 272                         [ '::fe:f:2001/1' ],
 273                         [ '::6d:f:2001/8' ],
 274                         [ '::fe:f:2001/0' ],
 275                 ];
 276         }
 277
 278         /**
 279          * @covers IP::isValidRange
 280          * @dataProvider provideValidRanges
 281          */
 282         public function testValidRanges( $range ) {
 283                 $this->assertTrue( IP::isValidRange( $range ), "$range is a valid IP range" );
 284         }
 285
 286         /**
 287          * @covers IP::isValidRange
 288          * @dataProvider provideInvalidRanges
 289          */
 290         public function testInvalidRanges( $invalid ) {
 291                 $this->assertFalse( IP::isValidRange( $invalid ), "$invalid is not a valid IP range" );
 292         }
 293
 294         public function provideInvalidRanges() {
 295                 return [
 296                         [ '116.17.184.5/33' ],
 297                         [ '0.17.184.5/130' ],
 298                         [ '16.17.184.1/-1' ],
 299                         [ '10.232.52.13/*' ],
 300                         [ '7.232.52.13/ab' ],
 301                         [ '11.232.52.13/' ],
 302                         [ '::e:f:2001/129' ],
 303                         [ '::c:f:2001/228' ],
 304                         [ '::10:f:2001/-1' ],
 305                         [ '::6d:f:2001/*' ],
 306                         [ '::86:f:2001/ab' ],
 307                         [ '::23:f:2001/' ],
 308                 ];
 309         }
 310
 311         /**
 312          * @covers IP::sanitizeIP
 313          * @dataProvider provideSanitizeIP
 314          */
 315         public function testSanitizeIP( $expected, $input ) {
 316                 $result = IP::sanitizeIP( $input );
 317                 $this->assertEquals( $expected, $result );
 318         }
 319
 320         /**
 321          * Provider for IP::testSanitizeIP()
 322          */
 323         public static function provideSanitizeIP() {
 324                 return [
 325                         [ '0.0.0.0', '0.0.0.0' ],
 326                         [ '0.0.0.0', '00.00.00.00' ],
 327                         [ '0.0.0.0', '000.000.000.000' ],
 328                         [ '141.0.11.253', '141.000.011.253' ],
 329                         [ '1.2.4.5', '1.2.4.5' ],
 330                         [ '1.2.4.5', '01.02.04.05' ],
 331                         [ '1.2.4.5', '001.002.004.005' ],
 332                         [ '10.0.0.1', '010.0.000.1' ],
 333                         [ '80.72.250.4', '080.072.250.04' ],
 334                         [ 'Foo.1000.00', 'Foo.1000.00' ],
 335                         [ 'Bar.01', 'Bar.01' ],
 336                         [ 'Bar.010', 'Bar.010' ],
 337                         [ null, '' ],
 338                         [ null, ' ' ]
 339                 ];
 340         }
 341
 342         /**
 343          * @covers IP::toHex
 344          * @dataProvider provideToHex
 345          */
 346         public function testToHex( $expected, $input ) {
 347                 $result = IP::toHex( $input );
 348                 $this->assertTrue( $result === false || is_string( $result ) );
 349                 $this->assertEquals( $expected, $result );
 350         }
 351
 352         /**
 353          * Provider for IP::testToHex()
 354          */
 355         public static function provideToHex() {
 356                 return [
 357                         [ '00000001', '0.0.0.1' ],
 358                         [ '01020304', '1.2.3.4' ],
 359                         [ '7F000001', '127.0.0.1' ],
 360                         [ '80000000', '128.0.0.0' ],
 361                         [ 'DEADCAFE', '222.173.202.254' ],
 362                         [ 'FFFFFFFF', '255.255.255.255' ],
 363                         [ '8D000BFD', '141.000.11.253' ],
 364                         [ false, 'IN.VA.LI.D' ],
 365                         [ 'v6-00000000000000000000000000000001', '::1' ],
 366                         [ 'v6-20010DB885A3000000008A2E03707334', '2001:0db8:85a3:0000:0000:8a2e:0370:7334' ],
 367                         [ 'v6-20010DB885A3000000008A2E03707334', '2001:db8:85a3::8a2e:0370:7334' ],
 368                         [ false, 'IN:VA::LI:D' ],
 369                         [ false, ':::1' ]
 370                 ];
 371         }
 372
 373         /**
 374          * @covers IP::isPublic
 375          * @dataProvider provideIsPublic
 376          */
 377         public function testIsPublic( $expected, $input ) {
 378                 $result = IP::isPublic( $input );
 379                 $this->assertEquals( $expected, $result );
 380         }
 381
 382         /**
 383          * Provider for IP::testIsPublic()
 384          */
 385         public static function provideIsPublic() {
 386                 return [
 387                         [ false, 'fc00::3' ], # RFC 4193 (local)
 388                         [ false, 'fc00::ff' ], # RFC 4193 (local)
 389                         [ false, '127.1.2.3' ], # loopback
 390                         [ false, '::1' ], # loopback
 391                         [ false, 'fe80::1' ], # link-local
 392                         [ false, '169.254.1.1' ], # link-local
 393                         [ false, '10.0.0.1' ], # RFC 1918 (private)
 394                         [ false, '172.16.0.1' ], # RFC 1918 (private)
 395                         [ false, '192.168.0.1' ], # RFC 1918 (private)
 396                         [ true, '2001:5c0:1000:a::133' ], # public
 397                         [ true, 'fc::3' ], # public
 398                         [ true, '00FC::' ] # public
 399                 ];
 400         }
 401
 402         // Private wrapper used to test CIDR Parsing.
 403         private function assertFalseCIDR( $CIDR, $msg = '' ) {
 404                 $ff = [ false, false ];
 405                 $this->assertEquals( $ff, IP::parseCIDR( $CIDR ), $msg );
 406         }
 407
 408         // Private wrapper to test network shifting using only dot notation
 409         private function assertNet( $expected, $CIDR ) {
 410                 $parse = IP::parseCIDR( $CIDR );
 411                 $this->assertEquals( $expected, long2ip( $parse[0] ), "network shifting $CIDR" );
 412         }
 413
 414         /**
 415          * @covers IP::hexToQuad
 416          * @dataProvider provideIPsAndHexes
 417          */
 418         public function testHexToQuad( $ip, $hex ) {
 419                 $this->assertEquals( $ip, IP::hexToQuad( $hex ) );
 420         }
 421
 422         /**
 423          * Provide some IP addresses and their equivalent hex representations
 424          */
 425         public function provideIPsandHexes() {
 426                 return [
 427                         [ '0.0.0.1', '00000001' ],
 428                         [ '255.0.0.0', 'FF000000' ],
 429                         [ '255.255.255.255', 'FFFFFFFF' ],
 430                         [ '10.188.222.255', '0ABCDEFF' ],
 431                         // hex not left-padded...
 432                         [ '0.0.0.0', '0' ],
 433                         [ '0.0.0.1', '1' ],
 434                         [ '0.0.0.255', 'FF' ],
 435                         [ '0.0.255.0', 'FF00' ],
 436                 ];
 437         }
 438
 439         /**
 440          * @covers IP::hexToOctet
 441          * @dataProvider provideOctetsAndHexes
 442          */
 443         public function testHexToOctet( $octet, $hex ) {
 444                 $this->assertEquals( $octet, IP::hexToOctet( $hex ) );
 445         }
 446
 447         /**
 448          * Provide some hex and octet representations of the same IPs
 449          */
 450         public function provideOctetsAndHexes() {
 451                 return [
 452                         [ '0:0:0:0:0:0:0:1', '00000000000000000000000000000001' ],
 453                         [ '0:0:0:0:0:0:FF:3', '00000000000000000000000000FF0003' ],
 454                         [ '0:0:0:0:0:0:FF00:6', '000000000000000000000000FF000006' ],
 455                         [ '0:0:0:0:0:0:FCCF:FAFF', '000000000000000000000000FCCFFAFF' ],
 456                         [ 'FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF', 'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF' ],
 457                         // hex not left-padded...
 458                         [ '0:0:0:0:0:0:0:0', '0' ],
 459                         [ '0:0:0:0:0:0:0:1', '1' ],
 460                         [ '0:0:0:0:0:0:0:FF', 'FF' ],
 461                         [ '0:0:0:0:0:0:0:FFD0', 'FFD0' ],
 462                         [ '0:0:0:0:0:0:FA00:0', 'FA000000' ],
 463                         [ '0:0:0:0:0:0:FCCF:FAFF', 'FCCFFAFF' ],
 464                 ];
 465         }
 466
 467         /**
 468          * IP::parseCIDR() returns an array containing a signed IP address
 469          * representing the network mask and the bit mask.
 470          * @covers IP::parseCIDR
 471          */
 472         public function testCIDRParsing() {
 473                 $this->assertFalseCIDR( '192.0.2.0', "missing mask" );
 474                 $this->assertFalseCIDR( '192.0.2.0/', "missing bitmask" );
 475
 476                 // Verify if statement
 477                 $this->assertFalseCIDR( '256.0.0.0/32', "invalid net" );
 478                 $this->assertFalseCIDR( '192.0.2.0/AA', "mask not numeric" );
 479                 $this->assertFalseCIDR( '192.0.2.0/-1', "mask < 0" );
 480                 $this->assertFalseCIDR( '192.0.2.0/33', "mask > 32" );
 481
 482                 // Check internal logic
 483                 # 0 mask always result in array(0,0)
 484                 $this->assertEquals( [ 0, 0 ], IP::parseCIDR( '192.0.0.2/0' ) );
 485                 $this->assertEquals( [ 0, 0 ], IP::parseCIDR( '0.0.0.0/0' ) );
 486                 $this->assertEquals( [ 0, 0 ], IP::parseCIDR( '255.255.255.255/0' ) );
 487
 488                 // @todo FIXME: Add more tests.
 489
 490                 # This part test network shifting
 491                 $this->assertNet( '192.0.0.0', '192.0.0.2/24' );
 492                 $this->assertNet( '192.168.5.0', '192.168.5.13/24' );
 493                 $this->assertNet( '10.0.0.160', '10.0.0.161/28' );
 494                 $this->assertNet( '10.0.0.0', '10.0.0.3/28' );
 495                 $this->assertNet( '10.0.0.0', '10.0.0.3/30' );
 496                 $this->assertNet( '10.0.0.4', '10.0.0.4/30' );
 497                 $this->assertNet( '172.17.32.0', '172.17.35.48/21' );
 498                 $this->assertNet( '10.128.0.0', '10.135.0.0/9' );
 499                 $this->assertNet( '134.0.0.0', '134.0.5.1/8' );
 500         }
 501
 502         /**
 503          * @covers IP::canonicalize
 504          */
 505         public function testIPCanonicalizeOnValidIp() {
 506                 $this->assertEquals( '192.0.2.152', IP::canonicalize( '192.0.2.152' ),
 507                         'Canonicalization of a valid IP returns it unchanged' );
 508         }
 509
 510         /**
 511          * @covers IP::canonicalize
 512          */
 513         public function testIPCanonicalizeMappedAddress() {
 514                 $this->assertEquals(
 515                         '192.0.2.152',
 516                         IP::canonicalize( '::ffff:192.0.2.152' )
 517                 );
 518                 $this->assertEquals(
 519                         '192.0.2.152',
 520                         IP::canonicalize( '::192.0.2.152' )
 521                 );
 522         }
 523
 524         /**
 525          * Issues there are most probably from IP::toHex() or IP::parseRange()
 526          * @covers IP::isInRange
 527          * @dataProvider provideIPsAndRanges
 528          */
 529         public function testIPIsInRange( $expected, $addr, $range, $message = '' ) {
 530                 $this->assertEquals(
 531                         $expected,
 532                         IP::isInRange( $addr, $range ),
 533                         $message
 534                 );
 535         }
 536
 537         /** Provider for testIPIsInRange() */
 538         public static function provideIPsAndRanges() {
 539                 # Format: (expected boolean, address, range, optional message)
 540                 return [
 541                         # IPv4
 542                         [ true, '192.0.2.0', '192.0.2.0/24', 'Network address' ],
 543                         [ true, '192.0.2.77', '192.0.2.0/24', 'Simple address' ],
 544                         [ true, '192.0.2.255', '192.0.2.0/24', 'Broadcast address' ],
 545
 546                         [ false, '0.0.0.0', '192.0.2.0/24' ],
 547                         [ false, '255.255.255', '192.0.2.0/24' ],
 548
 549                         # IPv6
 550                         [ false, '::1', '2001:DB8::/32' ],
 551                         [ false, '::', '2001:DB8::/32' ],
 552                         [ false, 'FE80::1', '2001:DB8::/32' ],
 553
 554                         [ true, '2001:DB8::', '2001:DB8::/32' ],
 555                         [ true, '2001:0DB8::', '2001:DB8::/32' ],
 556                         [ true, '2001:DB8::1', '2001:DB8::/32' ],
 557                         [ true, '2001:0DB8::1', '2001:DB8::/32' ],
 558                         [ true, '2001:0DB8:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF',
 559                                 '2001:DB8::/32' ],
 560
 561                         [ false, '2001:0DB8:F::', '2001:DB8::/96' ],
 562                 ];
 563         }
 564
 565         /**
 566          * @covers IP::splitHostAndPort()
 567          * @dataProvider provideSplitHostAndPort
 568          */
 569         public function testSplitHostAndPort( $expected, $input, $description ) {
 570                 $this->assertEquals( $expected, IP::splitHostAndPort( $input ), $description );
 571         }
 572
 573         /**
 574          * Provider for IP::splitHostAndPort()
 575          */
 576         public static function provideSplitHostAndPort() {
 577                 return [
 578                         [ false, '[', 'Unclosed square bracket' ],
 579                         [ false, '[::', 'Unclosed square bracket 2' ],
 580                         [ [ '::', false ], '::', 'Bare IPv6 0' ],
 581                         [ [ '::1', false ], '::1', 'Bare IPv6 1' ],
 582                         [ [ '::', false ], '[::]', 'Bracketed IPv6 0' ],
 583                         [ [ '::1', false ], '[::1]', 'Bracketed IPv6 1' ],
 584                         [ [ '::1', 80 ], '[::1]:80', 'Bracketed IPv6 with port' ],
 585                         [ false, '::x', 'Double colon but no IPv6' ],
 586                         [ [ 'x', 80 ], 'x:80', 'Hostname and port' ],
 587                         [ false, 'x:x', 'Hostname and invalid port' ],
 588                         [ [ 'x', false ], 'x', 'Plain hostname' ]
 589                 ];
 590         }
 591
 592         /**
 593          * @covers IP::combineHostAndPort()
 594          * @dataProvider provideCombineHostAndPort
 595          */
 596         public function testCombineHostAndPort( $expected, $input, $description ) {
 597                 list( $host, $port, $defaultPort ) = $input;
 598                 $this->assertEquals(
 599                         $expected,
 600                         IP::combineHostAndPort( $host, $port, $defaultPort ),
 601                         $description );
 602         }
 603
 604         /**
 605          * Provider for IP::combineHostAndPort()
 606          */
 607         public static function provideCombineHostAndPort() {
 608                 return [
 609                         [ '[::1]', [ '::1', 2, 2 ], 'IPv6 default port' ],
 610                         [ '[::1]:2', [ '::1', 2, 3 ], 'IPv6 non-default port' ],
 611                         [ 'x', [ 'x', 2, 2 ], 'Normal default port' ],
 612                         [ 'x:2', [ 'x', 2, 3 ], 'Normal non-default port' ],
 613                 ];
 614         }
 615
 616         /**
 617          * @covers IP::sanitizeRange()
 618          * @dataProvider provideIPCIDRs
 619          */
 620         public function testSanitizeRange( $input, $expected, $description ) {
 621                 $this->assertEquals( $expected, IP::sanitizeRange( $input ), $description );
 622         }
 623
 624         /**
 625          * Provider for IP::testSanitizeRange()
 626          */
 627         public static function provideIPCIDRs() {
 628                 return [
 629                         [ '35.56.31.252/16', '35.56.0.0/16', 'IPv4 range' ],
 630                         [ '135.16.21.252/24', '135.16.21.0/24', 'IPv4 range' ],
 631                         [ '5.36.71.252/32', '5.36.71.252/32', 'IPv4 silly range' ],
 632                         [ '5.36.71.252', '5.36.71.252', 'IPv4 non-range' ],
 633                         [ '0:1:2:3:4:c5:f6:7/96', '0:1:2:3:4:C5:0:0/96', 'IPv6 range' ],
 634                         [ '0:1:2:3:4:5:6:7/120', '0:1:2:3:4:5:6:0/120', 'IPv6 range' ],
 635                         [ '0:e1:2:3:4:5:e6:7/128', '0:E1:2:3:4:5:E6:7/128', 'IPv6 silly range' ],
 636                         [ '0:c1:A2:3:4:5:c6:7', '0:C1:A2:3:4:5:C6:7', 'IPv6 non range' ],
 637                 ];
 638         }
 639
 640         /**
 641          * @covers IP::prettifyIP()
 642          * @dataProvider provideIPsToPrettify
 643          */
 644         public function testPrettifyIP( $ip, $prettified ) {
 645                 $this->assertEquals( $prettified, IP::prettifyIP( $ip ), "Prettify of $ip" );
 646         }
 647
 648         /**
 649          * Provider for IP::testPrettifyIP()
 650          */
 651         public static function provideIPsToPrettify() {
 652                 return [
 653                         [ '0:0:0:0:0:0:0:0', '::' ],
 654                         [ '0:0:0::0:0:0', '::' ],
 655                         [ '0:0:0:1:0:0:0:0', '0:0:0:1::' ],
 656                         [ '0:0::f', '::f' ],
 657                         [ '0::0:0:0:33:fef:b', '::33:fef:b' ],
 658                         [ '3f:535:0:0:0:0:e:fbb', '3f:535::e:fbb' ],
 659                         [ '0:0:fef:0:0:0:e:fbb', '0:0:fef::e:fbb' ],
 660                         [ 'abbc:2004::0:0:0:0', 'abbc:2004::' ],
 661                         [ 'cebc:2004:f:0:0:0:0:0', 'cebc:2004:f::' ],
 662                         [ '0:0:0:0:0:0:0:0/16', '::/16' ],
 663                         [ '0:0:0::0:0:0/64', '::/64' ],
 664                         [ '0:0::f/52', '::f/52' ],
 665                         [ '::0:0:33:fef:b/52', '::33:fef:b/52' ],
 666                         [ '3f:535:0:0:0:0:e:fbb/48', '3f:535::e:fbb/48' ],
 667                         [ '0:0:fef:0:0:0:e:fbb/96', '0:0:fef::e:fbb/96' ],
 668                         [ 'abbc:2004:0:0::0:0/40', 'abbc:2004::/40' ],
 669                         [ 'aebc:2004:f:0:0:0:0:0/80', 'aebc:2004:f::/80' ],
 670                 ];
 671         }
 672 }