Fix: Update

Signed-off-by: vr-varad <varadgupta21@gmail.com>

Author: vr-varad

random/random_test.go

@@ -192,3 +192,57 @@ func TestRandIPv6(t *testing.T) {
 		}
 	}
 }
+
+func TestRandIPv4Private(t *testing.T) {
+	for range 100 {
+		r := RandIPv4Private()
+		parsed := net.ParseIP(r.String())
+		if parsed == nil {
+			t.Error("Generated IP is nil: " + r.String())
+		}
+		if parsed.To4() == nil {
+			t.Error("Generated IP is not a valid IPv4 address: " + r.String())
+		}
+
+		// Check if the IP is in one of the private ranges
+		isPrivate := false
+
+		// 10.0.0.0/8 (10.0.0.0 - 10.255.255.255)
+		if r[0] == 10 {
+			isPrivate = true
+		}
+
+		// 172.16.0.0/12 (172.16.0.0 - 172.31.255.255)
+		if r[0] == 172 && r[1] >= 16 && r[1] <= 31 {
+			isPrivate = true
+		}
+
+		// 192.168.0.0/16 (192.168.0.0 - 192.168.255.255)
+		if r[0] == 192 && r[1] == 168 {
+			isPrivate = true
+		}
+
+		if !isPrivate {
+			t.Error("Generated IP is not in a private range: " + r.String())
+		}
+	}
+}
+
+func TestRandIPv4Loopback(t *testing.T) {
+	for range 100 {
+		r := RandIPv4Loopback()
+		parsed := net.ParseIP(r.String())
+		if parsed == nil {
+			t.Error("Generated IP is nil: " + r.String())
+		}
+		if parsed.To4() == nil {
+			t.Error("Generated IP is not a valid IPv4 address: " + r.String())
+		}
+
+		// Check if it's exactly 127.0.0.1
+		expected := "127.0.0.1"
+		if r.String() != expected {
+			t.Error("Generated IP is not the expected loopback address. Expected: " + expected + ", Got: " + r.String())
+		}
+	}
+}