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[ruby/ipaddr] Add IPAddr.cidr to return ip address in cidr notation

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https://github.com/ruby/ipaddr/commit/f5b006741f
This commit is contained in:
Ben Fritsch 2020-04-03 16:48:15 +02:00 committed by Hiroshi SHIBATA
parent 07771c7657
commit 6ac8f6a10e
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2 changed files with 14 additions and 0 deletions
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6
lib/ipaddr.rb
View File

@ -227,6 +227,12 @@ class IPAddr
return str
end
# Returns a string containing the IP address representation in
# cidr notation
def cidr
format("%s/%s", to_s, prefix)
end
# Returns a network byte ordered string form of the IP address.
def hton
case @family

8
test/test_ipaddr.rb
View File

@ -20,18 +20,21 @@ class TC_IPAddr < Test::Unit::TestCase
a = IPAddr.new
assert_equal("::", a.to_s)
assert_equal("0000:0000:0000:0000:0000:0000:0000:0000", a.to_string)
assert_equal("::/128", a.cidr)
assert_equal(Socket::AF_INET6, a.family)
assert_equal(128, a.prefix)
a = IPAddr.new("0123:4567:89ab:cdef:0ABC:DEF0:1234:5678")
assert_equal("123:4567:89ab:cdef:abc:def0:1234:5678", a.to_s)
assert_equal("0123:4567:89ab:cdef:0abc:def0:1234:5678", a.to_string)
assert_equal("123:4567:89ab:cdef:abc:def0:1234:5678/128", a.cidr)
assert_equal(Socket::AF_INET6, a.family)
assert_equal(128, a.prefix)
a = IPAddr.new("3ffe:505:2::/48")
assert_equal("3ffe:505:2::", a.to_s)
assert_equal("3ffe:0505:0002:0000:0000:0000:0000:0000", a.to_string)
assert_equal("3ffe:505:2::/48", a.cidr)
assert_equal(Socket::AF_INET6, a.family)
assert_equal(false, a.ipv4?)
assert_equal(true, a.ipv6?)
@ -41,6 +44,7 @@ class TC_IPAddr < Test::Unit::TestCase
a = IPAddr.new("3ffe:505:2::/ffff:ffff:ffff::")
assert_equal("3ffe:505:2::", a.to_s)
assert_equal("3ffe:0505:0002:0000:0000:0000:0000:0000", a.to_string)
assert_equal("3ffe:505:2::/48", a.cidr)
assert_equal(Socket::AF_INET6, a.family)
assert_equal(48, a.prefix)
assert_nil(a.zone_id)
@ -58,12 +62,14 @@ class TC_IPAddr < Test::Unit::TestCase
a = IPAddr.new("0.0.0.0")
assert_equal("0.0.0.0", a.to_s)
assert_equal("0.0.0.0", a.to_string)
assert_equal("0.0.0.0/32", a.cidr)
assert_equal(Socket::AF_INET, a.family)
assert_equal(32, a.prefix)
a = IPAddr.new("192.168.1.2")
assert_equal("192.168.1.2", a.to_s)
assert_equal("192.168.1.2", a.to_string)
assert_equal("192.168.1.2/32", a.cidr)
assert_equal(Socket::AF_INET, a.family)
assert_equal(true, a.ipv4?)
assert_equal(false, a.ipv6?)
@ -72,6 +78,7 @@ class TC_IPAddr < Test::Unit::TestCase
a = IPAddr.new("192.168.1.2/26")
assert_equal("192.168.1.0", a.to_s)
assert_equal("192.168.1.0", a.to_string)
assert_equal("192.168.1.0/26", a.cidr)
assert_equal(Socket::AF_INET, a.family)
assert_equal("#<IPAddr: IPv4:192.168.1.0/255.255.255.192>", a.inspect)
assert_equal(26, a.prefix)
@ -79,6 +86,7 @@ class TC_IPAddr < Test::Unit::TestCase
a = IPAddr.new("192.168.1.2/255.255.255.0")
assert_equal("192.168.1.0", a.to_s)
assert_equal("192.168.1.0", a.to_string)
assert_equal("192.168.1.0/24", a.cidr)
assert_equal(Socket::AF_INET, a.family)
assert_equal(24, a.prefix)