Test that -g does not accept IPv6

ci/test-06-options-f-h.pl

@@ -1,6 +1,7 @@
 #!/usr/bin/perl -w
 
-use Test::Command tests => 45;
+use Test::Command tests => 51;
+use Test::More;
 use File::Temp;
 
 #  -f file    read list of targets from a file ( - means stdin) (only if no -g specified)
@@ -124,6 +125,28 @@ $cmd->stdout_is_eq("");
 $cmd->stderr_is_eq("fping: netmask must be between 1 and 32 (is: 0)\n");
 }
 
+# fping -g (range - no IPv6 generator)
+SKIP: {
+    if($ENV{SKIP_IPV6}) {
+        skip 'Skip IPv6 tests', 3;
+    }
+    my $cmd = Test::Command->new(cmd => "fping -6 -g ::1 ::1");
+    $cmd->exit_is_num(1);
+    $cmd->stdout_is_eq("");
+    $cmd->stderr_is_eq("fping: -g works only with IPv4 addresses\n");
+}
+
+# fping -g (CIDR - no IPv6 generator)
+SKIP: {
+    if($ENV{SKIP_IPV6}) {
+        skip 'Skip IPv6 tests', 3;
+    }
+    my $cmd = Test::Command->new(cmd => "fping -6 -g ::1/128");
+    $cmd->exit_is_num(1);
+    $cmd->stdout_is_eq("");
+    $cmd->stderr_is_eq("fping: -g works only with IPv4 addresses\n");
+}
+
 # fping -H
 {
 my $cmd = Test::Command->new(cmd => "fping -H 1 127.0.0.1");