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Add mask_addr method that returns net mask as string. #20

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Merged
ioquatix merged 1 commit into from
Mar 3, 2020
Merged

Add mask_addr method that returns net mask as string. #20

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5 changes: 5 additions & 0 deletions lib/ipaddr.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -467,6 +467,11 @@ def inspect
af, _to_string(@addr), _to_string(@mask_addr))
end

# Returns the netmask in string format e.g. 255.255.0.0
def netmask
_to_string(@mask_addr)
end

protected

# Set +@addr+, the internal stored ip address, to given +addr+. The
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11 changes: 11 additions & 0 deletions test/test_ipaddr.rb
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Expand Up @@ -197,6 +197,17 @@ def test_to_s
assert_equal("3ffe:0505:0002:0000:0000:0000:0000:0001", IPAddr.new("3ffe:505:2::1").to_string)
assert_equal("3ffe:505:2::1", IPAddr.new("3ffe:505:2::1").to_s)
end

def test_netmask
a = IPAddr.new("192.168.1.2/8")
assert_equal(a.netmask, "255.0.0.0")

a = IPAddr.new("192.168.1.2/16")
assert_equal(a.netmask, "255.255.0.0")

a = IPAddr.new("192.168.1.2/24")
assert_equal(a.netmask, "255.255.255.0")
end
end

class TC_Operator < Test::Unit::TestCase
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