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ansible-role-version/vendor/github.com/spf13/pflag/ipnet_test.go

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package pflag
import (
"fmt"
"net"
"os"
"testing"
)
func setUpIPNet(ip *net.IPNet) *FlagSet {
f := NewFlagSet("test", ContinueOnError)
_, def, _ := net.ParseCIDR("0.0.0.0/0")
f.IPNetVar(ip, "address", *def, "IP Address")
return f
}
func TestIPNet(t *testing.T) {
testCases := []struct {
input string
success bool
expected string
}{
{"0.0.0.0/0", true, "0.0.0.0/0"},
{" 0.0.0.0/0 ", true, "0.0.0.0/0"},
{"1.2.3.4/8", true, "1.0.0.0/8"},
{"127.0.0.1/16", true, "127.0.0.0/16"},
{"255.255.255.255/19", true, "255.255.224.0/19"},
{"255.255.255.255/32", true, "255.255.255.255/32"},
{"", false, ""},
{"/0", false, ""},
{"0", false, ""},
{"0/0", false, ""},
{"localhost/0", false, ""},
{"0.0.0/4", false, ""},
{"0.0.0./8", false, ""},
{"0.0.0.0./12", false, ""},
{"0.0.0.256/16", false, ""},
{"0.0.0.0 /20", false, ""},
{"0.0.0.0/ 24", false, ""},
{"0 . 0 . 0 . 0 / 28", false, ""},
{"0.0.0.0/33", false, ""},
}
devnull, _ := os.Open(os.DevNull)
os.Stderr = devnull
for i := range testCases {
var addr net.IPNet
f := setUpIPNet(&addr)
tc := &testCases[i]
arg := fmt.Sprintf("--address=%s", tc.input)
err := f.Parse([]string{arg})
if err != nil && tc.success == true {
t.Errorf("expected success, got %q", err)
continue
} else if err == nil && tc.success == false {
t.Errorf("expected failure")
continue
} else if tc.success {
ip, err := f.GetIPNet("address")
if err != nil {
t.Errorf("Got error trying to fetch the IP flag: %v", err)
}
if ip.String() != tc.expected {
t.Errorf("expected %q, got %q", tc.expected, ip.String())
}
}
}
}