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|
package iputils
import (
"net"
"testing"
)
func TestAddIPInt(t *testing.T) {
type testCase struct {
s string
i int
expected string
}
testCases := []testCase{
{
"10.0.2.0",
100,
"10.0.2.100",
},
{
"255.255.255.100",
155,
"255.255.255.255",
},
{
"255.255.255.100",
156,
"",
},
}
for i, tc := range testCases {
ip := net.ParseIP(tc.s)
if ip == nil {
t.Fatalf("invalid IP: %q", tc.s)
}
gotIP, err := AddIPInt(ip, tc.i)
if tc.expected == "" {
if err == nil {
t.Fatalf("#%d: expected error, got no error", i)
}
} else {
if err != nil {
t.Fatalf("#%d: expected no error, got %q", i, err)
}
got := gotIP.String()
if got != tc.expected {
t.Fatalf("#%d: expected %q, got %q", i, tc.expected, got)
}
}
}
}
|
