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-rw-r--r--test/test_ipaddr.rb17
1 files changed, 17 insertions, 0 deletions
diff --git a/test/test_ipaddr.rb b/test/test_ipaddr.rb
index 7b3a199bf3..e2243dc542 100644
--- a/test/test_ipaddr.rb
+++ b/test/test_ipaddr.rb
@@ -116,6 +116,23 @@ class TC_IPAddr < Test::Unit::TestCase
assert_equal("192.168.2.1", IPAddr.new_ntoh(a.hton).to_s)
end
+ def test_ntop
+ # IPv4
+ assert_equal("192.168.1.1", IPAddr.ntop("\xC0\xA8\x01\x01"))
+ # IPv6
+ assert_equal("0000:0000:0000:0000:0000:0000:0000:0001",
+ IPAddr.ntop("\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01"))
+
+ # Invalid parameters
+ assert_raise(IPAddr::AddressFamilyError) {
+ IPAddr.ntop("192.168.1.1")
+ }
+
+ assert_raise(IPAddr::AddressFamilyError) {
+ IPAddr.ntop("\xC0\xA8\x01\xFF1")
+ }
+ end
+
def test_ipv4_compat
a = IPAddr.new("::192.168.1.2")
assert_equal("::192.168.1.2", a.to_s)