svoid test_parseEnglishDateRange() {
  Pair<S, Map<S, PairS>> p = test_parseEnglishDateRange_examples();
  DateInterpretationConfig config = new(ukTimeZone(), parseYMDHMS(p.a), true);
  testFunctionValues(s -> {
    LongRange range = parseEnglishDateRange((S) s, config);
    ret range == null ? null : pair(formatDateWithSeconds(range.start, config.timeZone), formatDateWithSeconds(range.end, config.timeZone));
  },
    mapToParams(p.b));
}

// returns (base date, examples)
static Pair<S, Map<S, PairS>> test_parseEnglishDateRange_examples() {
  ret pair("2020/06/28 13:00:00", litorderedmap_withNulls(
    "", null,
    "anything else", null,
    
    "tuesday between 3 and 4 pm", pair("2020/06/30 15:00:00", "2020/06/30 16:00:00"),
    "2020/6/1 to 2020/6/3", pair("2020/06/01 00:00:00", "2020/06/04 00:00:00"),
    "june", pair("2020/06/01 00:00:00", "2020/07/01 00:00:00"),
    
    // assume Sunday-starting week
    "this week", pair("2020/06/28 00:00:00", "2020/07/05 00:00:00"),
    "next week", pair("2020/07/05 00:00:00", "2020/07/12 00:00:00"),
  ));
}