fix copying of the playlist when creating an ordered list

Go's copy builtin does only copy min(len(dest), len(src)) elements,
since we create an empty destination slice with a big enough capacity
copy does not actually copy anything.

1 files changed, 15 insertions, 0 deletions

diff --git a/playlist_test.go b/playlist_test.go
index 8730737..bb236ee 100644
--- a/playlist_test.go
+++ b/playlist_test.go
@@ -133,3 +133,18 @@ func TestPlAdd3AdjustAdjustPop(t *testing.T) {
 		t.Fail()
 	}
 }
+
+func TestPlOrderedList(t *testing.T) {
+	var pl Playlist
+	s := NewDummySong("Foo", "Bar")
+	pl.Add(s)
+	l := pl.OrderedList()
+	if len(pl) != len(l) {
+		t.Log("size of pl and ordered list differs")
+		t.Fail()
+	}
+	if pl[0] != l[0] {
+		t.Log("element of pl and ordered list differs")
+		t.Fail()
+	}
+}