X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Fop%2Fgrep.t;h=3e5d7168a0dc17b78398ccea579469c62277a1b8;hb=e081bb54e0eecfb962e7f0cfd84fcbdb2683d54d;hp=5f4e7a61732272a976b166ee70bbfd102d53bc41;hpb=b3c0f1bde204be7b0c1795e8d30824df46a47ce0;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/t/op/grep.t b/t/op/grep.t
index 5f4e7a6..3e5d716 100755
--- a/t/op/grep.t
+++ b/t/op/grep.t
@@ -4,7 +4,7 @@
 # grep() and map() tests
 #
 
-print "1..33\n";
+print "1..38\n";
 
 $test = 1;
 
@@ -140,6 +140,30 @@ sub ok {
         map {"${_}x"} @_;
     };
     ok join("-",add_an_x(1,2,3,4)), "1x-2x-3x-4x";
+    $test++;
 }
 
+{
+    my $gimme;
+
+    sub gimme {
+	my $want = wantarray();
+	if (defined $want) {
+	    $gimme = $want ? 'list' : 'scalar';
+	} else {
+	    $gimme = 'void';
+	}
+    }
+
+    my @list = 0..9;
 
+    undef $gimme; gimme for @list;      ok($gimme, 'void');   $test++;
+    undef $gimme; grep { gimme } @list; ok($gimme, 'scalar'); $test++;
+    undef $gimme; map { gimme } @list;  ok($gimme, 'list');   $test++;
+}
+
+{
+    # This shouldn't loop indefinitively.
+    my @empty = map { while (1) {} } ();
+    ok("@empty", '');
+}