tests for CopyIP() and RandomIP()

iplib_test.go

@@ -3,10 +3,22 @@ package iplib
 import (
 	"math/big"
 	"net"
+	"reflect"
 	"sort"
 	"testing"
 )
 
+func TestCopyIP(t *testing.T) {
+	ipa := net.ParseIP("192.168.23.5")
+	ipb := CopyIP(ipa)
+	if reflect.ValueOf(ipa).Pointer() == reflect.ValueOf(ipb).Pointer() {
+		t.Errorf("CopyIP() failed to copy (copied IP shares pointer with original)!")
+	}
+	if CompareIPs(ipa, ipb) != 0 {
+		t.Errorf("CopyIP() failed to copy (value of copied IP does not match original)!")
+	}
+}
+
 var IPTests = []struct {
 	ipaddr net.IP
 	next   net.IP

net4_test.go

@@ -628,9 +628,17 @@ func TestNet4_ContainsNet(t *testing.T) {
 	}
 }
 
+func TestNet4_RandomIP(t *testing.T) {
+	for i, tt := range containsNet4Tests {
+		rip := tt.ipn1.RandomIP()
+		if !tt.ipn1.Contains(rip) {
+			t.Errorf("[%d] address %s not in %s", i, rip, tt.ipn1)
+		}
+	}
+}
+
 func TestNet4_Is4in6(t *testing.T) {
 	nf := Net4FromStr("192.168.0.0./16")
-	//nf := NewNet4(ForceIP4(net.ParseIP("192.168.0.0")), 16)
 	if nf.Is4in6() != false {
 		t.Errorf("should be false for '192.168.0.0/16'")
 	}

net6_test.go

@@ -752,6 +752,16 @@ func TestNet6_ContainsNet(t *testing.T) {
 	}
 }
 
+func TestNet6_RandomIP(t *testing.T) {
+	for i, tt := range containsNet6Tests {
+		_, ipn, _ := ParseCIDR(tt.netblock1)
+		rip := ipn.(Net6).RandomIP()
+		if !ipn.Contains(rip) {
+			t.Errorf("[%d] address %s not in %s", i, rip, ipn)
+		}
+	}
+}
+
 var controlsTests = []struct {
 	ipn   Net6
 	addrs map[string]bool