Add test to ensure and document that leading dashes are not allowed in non-option args even with -- in command line

1 files changed, 1 insertions, 0 deletions

diff --git a/test/exec.t b/test/exec.t
index 9e55726..237d59b 100755
--- a/test/exec.t
+++ b/test/exec.t
@@ -14,6 +14,7 @@ is(it::shell_command("echo {arg}", ['arg' => false]),           "echo ", "remove
 is(it::shell_command("echo {arg}", ['arg' => []]),              "echo ", "remove empty arrays");
 is(it::shell_command("echo {arg}", (object)['arg' => "foo"])  , "echo foo", "allow objects");
 is(it::shell_command("echo {arg}", ['arg' => 1], ['arg' => 2]), "echo 2", "support varargs");
+errlike(fn() => it::shell_command("echo -- $(echo {arg})", ['arg' => "-1"]), "leading - in value", "disallow leading dash in non-option args");
 
 
 is(