+ // test with some abbreviations
+ $this->assertFalse( IP::isValid( ':fc:100::' ), 'IPv6 starting with lone ":"' );
+ $this->assertFalse( IP::isValid( 'fc:100:::' ), 'IPv6 ending with a ":::"' );
+ $this->assertFalse( IP::isValid( 'fc:300' ), 'IPv6 with only 2 words' );
+ $this->assertFalse( IP::isValid( 'fc:100:300' ), 'IPv6 with only 3 words' );
+
+ $this->assertTrue( IP::isValid( 'fc:100::' ) );
+ $this->assertTrue( IP::isValid( 'fc:100:a:d:1:e::' ) );
+ $this->assertTrue( IP::isValid( 'fc:100:a:d:1:e:ac::' ) );
+
+ $this->assertTrue( IP::isValid( 'fc::100' ), 'IPv6 with "::" and 2 words' );
+ $this->assertTrue( IP::isValid( 'fc::100:a' ), 'IPv6 with "::" and 3 words' );
+ $this->assertTrue( IP::isValid( '2001::df'), 'IPv6 with "::" and 2 words' );
+ $this->assertTrue( IP::isValid( '2001:5c0:1400:a::df'), 'IPv6 with "::" and 5 words' );
+ $this->assertTrue( IP::isValid( '2001:5c0:1400:a::df:2'), 'IPv6 with "::" and 6 words' );
+ $this->assertTrue( IP::isValid( 'fc::100:a:d:1' ), 'IPv6 with "::" and 5 words' );
+ $this->assertTrue( IP::isValid( 'fc::100:a:d:1:e:ac' ), 'IPv6 with "::" and 7 words' );
+
+ $this->assertFalse( IP::isValid( 'fc:100:a:d:1:e:ac:0::' ), 'IPv6 with 8 words ending with "::"' );
+ $this->assertFalse( IP::isValid( 'fc:100:a:d:1:e:ac:0:1::' ), 'IPv6 with 9 words ending with "::"' );