package treerack import ( "bufio" "bytes" "testing" ) func TestCharBuildNoop(t *testing.T) { c := newChar("foo", false, nil, nil) c.init(newRegistry()) b := c.builder() ctx := newContext(bufio.NewReader(bytes.NewBuffer(nil))) if n, ok := b.build(ctx); len(n) != 0 || ok { t.Error("char build not noop") } }