tests: sort: expand multiple output testing

* tests/sort/sort.pl: Ensure duplicate
output strings are supported.

diff --git a/tests/sort/sort.pl b/tests/sort/sort.pl
index 2ee92c45742a54bdc790c4cf5fd375190f09d4fc..5fa9d525273fbf25383b08983ac3d8aa5a1704ec 100755 (executable)
--- a/tests/sort/sort.pl
+++ b/tests/sort/sort.pl
@@ -350,6 +350,11 @@ my @Tests =
 # Specifying two -o options should evoke a failure
 ["o2", qw(-o x -o y), {EXIT=>2},
  {ERR=>"foo\n"}, {ERR_SUBST => 's/^$prog: .*/foo/'}],
+# Specifying duplicate -o options should NOT evoke a failure
+["o3", qw(-o x -o x), {IN=>""}, {OUT=>""}],
+# Note we do simple string comparisons for this
+["o4", qw(-o x -o ./x), {EXIT=>2},
+ {ERR=>"foo\n"}, {ERR_SUBST => 's/^$prog: .*/foo/'}],
 
 # Specifying incompatible options should evoke a failure.
 ["incompat1", '-in', {EXIT=>2},