in = append([]byte{}, orig...)
				writeAndKill(c, in)
				c.Close()
				diffJSON(t, buf.Bytes(), want)
			})

			// In bulk again with \r\n.
			t.Run("crlf", func(t *testing.T) {
				buf.Reset()
				c = NewConverter(&buf, "", 0)
				in = bytes.ReplaceAll(orig, []byte("\n"), []byte("\r\n"))
				writeAndKill(c, in)
				c.Close()
				diffJSON(t, bytes.ReplaceAll(buf.Bytes(), []byte(`\r\n`), []byte(`\n`)), want)
			})