diff --git a/lib/ipaddress/ipv6.rb b/lib/ipaddress/ipv6.rb index 88098bc6417e3d58d1ccac5668a6f5bfbe3a1706..6ae651dc509b628bd15825947317e48fefbfd65b 100644 --- a/lib/ipaddress/ipv6.rb +++ b/lib/ipaddress/ipv6.rb @@ -397,6 +397,13 @@ module IPAddress; @compressed end + # + # Returns true if the address is a link local address + # + def link_local? + @groups[0] == 0xfe80 + end + # # Returns true if the address is an unspecified address # diff --git a/test/ipaddress/ipv6_test.rb b/test/ipaddress/ipv6_test.rb index dcfb6016f6502b1268e71c0057689c952888bf76..7eaa76529c37e2040a33f62ab3389284b051c153 100644 --- a/test/ipaddress/ipv6_test.rb +++ b/test/ipaddress/ipv6_test.rb @@ -200,6 +200,12 @@ class IPv6Test < Minitest::Test assert_equal "1::1", @klass.new("1:0:0:0:0:0:0:1").compressed end + def test_method_link_local? + assert_equal true, @klass.new("fe80::1").link_local? + assert_equal true, @klass.new("fe80:ffff::1").link_local? + assert_equal false, @klass.new("fe81::1").link_local? + end + def test_method_unspecified? assert_equal true, @klass.new("::").unspecified? assert_equal false, @ip.unspecified?