// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
*
*   Copyright (C) 2012-2016, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
*******************************************************************************
*   file name:  listformattertest.cpp
*   encoding:   UTF-8
*   tab size:   8 (not used)
*   indentation:4
*
*   created on: 2012aug27
*   created by: Umesh P. Nair
*/

#include "listformattertest.h"
#include "unicode/ulistformatter.h"
#include "cmemory.h"
#include <string.h>

#if !UCONFIG_NO_FORMATTING

void ListFormatterTest::runIndexedTest(int32_t index, UBool exec,
                                       const char* &name, char* /*par */) {
    TESTCASE_AUTO_BEGIN;
    TESTCASE_AUTO(TestRoot);
    TESTCASE_AUTO(TestBogus);
    TESTCASE_AUTO(TestEnglish);
    TESTCASE_AUTO(TestEnglishUS);
    TESTCASE_AUTO(TestRussian);
    TESTCASE_AUTO(TestMalayalam);
    TESTCASE_AUTO(TestZulu);
    TESTCASE_AUTO(TestOutOfOrderPatterns);
    TESTCASE_AUTO(Test9946);
    TESTCASE_AUTO(TestEnglishGB);
    TESTCASE_AUTO(TestNynorsk);
    TESTCASE_AUTO(TestChineseTradHK);
    TESTCASE_AUTO(TestFieldPositionIteratorWontCrash);
    TESTCASE_AUTO(TestFieldPositionIteratorWith1Item);
    TESTCASE_AUTO(TestFieldPositionIteratorWith1ItemAndDataBefore);
    TESTCASE_AUTO(TestFieldPositionIteratorWith2Items);
    TESTCASE_AUTO(TestFieldPositionIteratorWith2ItemsAndDataBefore);
    TESTCASE_AUTO(TestFieldPositionIteratorWith2ItemsPatternShift);
    TESTCASE_AUTO(TestFieldPositionIteratorWith3Items);
    TESTCASE_AUTO(TestFieldPositionIteratorWith3ItemsAndDataBefore);
    TESTCASE_AUTO(TestFieldPositionIteratorWith3ItemsPatternShift);
    TESTCASE_AUTO(TestFormattedValue);
    TESTCASE_AUTO(TestDifferentStyles);
    TESTCASE_AUTO(TestBadStylesFail);
    TESTCASE_AUTO(TestCreateStyled);
    TESTCASE_AUTO_END;
}

namespace {
const char* attrString(int32_t attrId) {
  switch (attrId) {
    case ULISTFMT_LITERAL_FIELD: return "literal";
    case ULISTFMT_ELEMENT_FIELD: return "element";
    default: return "xxx";
  }
}
}  // namespace

void ListFormatterTest::ExpectPositions(FieldPositionIterator& iter,
                                        int32_t *values, int32_t tupleCount) {
    UBool found[10];
    FieldPosition fp;
    if (tupleCount > 10) {
      assertTrue("internal error, tupleCount too large", FALSE);
    } else {
        for (int i = 0; i < tupleCount; ++i) {
            found[i] = FALSE;
        }
    }
    while (iter.next(fp)) {
        UBool ok = FALSE;
        int32_t id = fp.getField();
        int32_t start = fp.getBeginIndex();
        int32_t limit = fp.getEndIndex();
        char buf[128];
        sprintf(buf, "%24s %3d %3d %3d", attrString(id), id, start, limit);
        logln(buf);
        for (int i = 0; i < tupleCount; ++i) {
            if (found[i]) {
                continue;
            }
            if (values[i*3] == id && values[i*3+1] == start && values[i*3+2] == limit) {
                found[i] = ok = TRUE;
                break;
            }
        }
        assertTrue((UnicodeString)"found [" + attrString(id) + "," + start + "," + limit + "]", ok);
    }
    // check that all were found
    UBool ok = TRUE;
    for (int i = 0; i < tupleCount; ++i) {
        if (!found[i]) {
            ok = FALSE;
            assertTrue((UnicodeString) "missing [" + attrString(values[i*3]) + "," + values[i*3+1] +
                       "," + values[i*3+2] + "]", found[i]);
        }
    }
    assertTrue("no expected values were missing", ok);
}

ListFormatterTest::ListFormatterTest() :
        prefix("Prefix: ", -1, US_INV),
        one("Alice", -1, US_INV), two("Bob", -1, US_INV),
        three("Charlie", -1, US_INV), four("Delta", -1, US_INV) {
}

void ListFormatterTest::CheckFormatting(const ListFormatter* formatter, UnicodeString data[], int32_t dataSize,
                                        const UnicodeString& expected_result, const char* testName) {
    UnicodeString actualResult(prefix);
    IcuTestErrorCode errorCode(*this, testName);
    formatter->format(data, dataSize, actualResult, errorCode);
    UnicodeString expectedStringWithPrefix = prefix + expected_result;
    if (expectedStringWithPrefix != actualResult) {
        errln(UnicodeString("Expected: |") + expectedStringWithPrefix +  "|, Actual: |" + actualResult + "|");
    }
}

void ListFormatterTest::CheckFourCases(const char* locale_string, UnicodeString one, UnicodeString two,
        UnicodeString three, UnicodeString four, UnicodeString results[4], const char* testName) {
    IcuTestErrorCode errorCode(*this, testName);
    LocalPointer<ListFormatter> formatter(ListFormatter::createInstance(Locale(locale_string), errorCode));
    if (U_FAILURE(errorCode)) {
        dataerrln("ListFormatter::createInstance(Locale(\"%s\"), errorCode) failed in CheckFourCases: %s", locale_string, u_errorName(errorCode));
        return;
    }
    UnicodeString input1[] = {one};
    CheckFormatting(formatter.getAlias(), input1, 1, results[0], testName);

    UnicodeString input2[] = {one, two};
    CheckFormatting(formatter.getAlias(), input2, 2, results[1], testName);

    UnicodeString input3[] = {one, two, three};
    CheckFormatting(formatter.getAlias(), input3, 3, results[2], testName);

    UnicodeString input4[] = {one, two, three, four};
    CheckFormatting(formatter.getAlias(), input4, 4, results[3], testName);
}

UBool ListFormatterTest::RecordFourCases(const Locale& locale, UnicodeString one, UnicodeString two,
        UnicodeString three, UnicodeString four, UnicodeString results[4], const char* testName)  {
    IcuTestErrorCode errorCode(*this, testName);
    LocalPointer<ListFormatter> formatter(ListFormatter::createInstance(locale, errorCode));
    if (U_FAILURE(errorCode)) {
        dataerrln("ListFormatter::createInstance(\"%s\", errorCode) failed in RecordFourCases: %s", locale.getName(), u_errorName(errorCode));
        return FALSE;
    }
    UnicodeString input1[] = {one};
    formatter->format(input1, 1, results[0], errorCode);
    UnicodeString input2[] = {one, two};
    formatter->format(input2, 2, results[1], errorCode);
    UnicodeString input3[] = {one, two, three};
    formatter->format(input3, 3, results[2], errorCode);
    UnicodeString input4[] = {one, two, three, four};
    formatter->format(input4, 4, results[3], errorCode);
    if (U_FAILURE(errorCode)) {
        errln("RecordFourCases failed: %s", u_errorName(errorCode));
        return FALSE;
    }
    return TRUE;
}

void ListFormatterTest::TestRoot() {
    UnicodeString results[4] = {
        one,
        one + ", " + two,
        one + ", " + two + ", " + three,
        one + ", " + two + ", " + three + ", " + four
    };

    CheckFourCases("", one, two, three, four, results, "TestRoot()");
}

// Bogus locale should fallback to root.
void ListFormatterTest::TestBogus() {
    UnicodeString results[4];
    if (RecordFourCases(Locale::getDefault(), one, two, three, four, results, "TestBogus()")) {
      CheckFourCases("ex_PY", one, two, three, four, results, "TestBogus()");
    }
}

// Formatting in English.
// "and" is used before the last element, and all elements up to (and including) the penultimate are followed by a comma.
void ListFormatterTest::TestEnglish() {
    UnicodeString results[4] = {
        one,
        one + " and " + two,
        one + ", " + two + ", and " + three,
        one + ", " + two + ", " + three + ", and " + four
    };

    CheckFourCases("en", one, two, three, four, results, "TestEnglish()");
}

void ListFormatterTest::Test9946() {
    IcuTestErrorCode errorCode(*this, "Test9946()");
    LocalPointer<ListFormatter> formatter(ListFormatter::createInstance(Locale("en"), errorCode));
    if (U_FAILURE(errorCode)) {
        dataerrln(
            "ListFormatter::createInstance(Locale(\"en\"), errorCode) failed in Test9946: %s",
            u_errorName(errorCode));
        return;
    }
    UnicodeString data[3] = {"{0}", "{1}", "{2}"};
    UnicodeString actualResult;
    formatter->format(data, 3, actualResult, errorCode);
    if (U_FAILURE(errorCode)) {
        dataerrln(
            "ListFormatter::createInstance(Locale(\"en\"), errorCode) failed in Test9946: %s",
            u_errorName(errorCode));
        return;
    }
    UnicodeString expected("{0}, {1}, and {2}");
    if (expected != actualResult) {
        errln("Expected " + expected + ", got " + actualResult);
    }
}

void ListFormatterTest::TestEnglishUS() {
    UnicodeString results[4] = {
        one,
        one + " and " + two,
        one + ", " + two + ", and " + three,
        one + ", " + two + ", " + three + ", and " + four
    };

    CheckFourCases("en_US", one, two, three, four, results, "TestEnglishUS()");
}

// Tests resource loading and inheritance when region sublocale
// has only partial data for the listPattern element (overriding
// some of the parent data). #12994
void ListFormatterTest::TestEnglishGB() {
    UnicodeString results[4] = {
        one,
        one + " and " + two,
        one + ", " + two + " and " + three,
        one + ", " + two + ", " + three + " and " + four
    };

    CheckFourCases("en_GB", one, two, three, four, results, "TestEnglishGB()");
}

void ListFormatterTest::TestFieldPositionIteratorWontCrash() {
    IcuTestErrorCode errorCode(*this, "TestFieldPositionIteratorWontCrash()");
    LocalPointer<ListFormatter> formatter(
        ListFormatter::createInstance(Locale("en"), errorCode));
    if (U_FAILURE(errorCode)) {
        dataerrln(
            "ListFormatter::createInstance(Locale(\"en\"), errorCode) failed in "
            "TestFieldPositionIteratorWontCrash: %s",
            u_errorName(errorCode));
        return;
    }
    UnicodeString data[3] = {"a", "bbb", "cc"};
    UnicodeString actualResult;
     // make sure NULL as FieldPositionIterator won't caused crash.
    formatter->format(data, 3, actualResult, nullptr, errorCode);
    if (U_FAILURE(errorCode)) {
        dataerrln(
            "ListFormatter::format(data, 3, nullptr, errorCode) "
            "failed in TestFieldPositionIteratorWontCrash: %s",
            u_errorName(errorCode));
        return;
    }
}

void ListFormatterTest::RunTestFieldPositionIteratorWithFormatter(
        ListFormatter* formatter,
        UnicodeString data[], int32_t n, int32_t expected[], int32_t tupleCount,
        UnicodeString& appendTo, const char16_t *expectedFormatted,
        const char* testName) {
    IcuTestErrorCode errorCode(*this, testName);
    FieldPositionIterator iter;
    formatter->format(data, n, appendTo, &iter, errorCode);
    if (U_FAILURE(errorCode)) {
        dataerrln(
            "ListFormatter::format(data, %d, &iter, errorCode) "
            "failed in %s: %s", n, testName, u_errorName(errorCode));
        return;
    }
    if (appendTo != expectedFormatted) {
        errln(UnicodeString("Expected: |") + expectedFormatted +  "|, Actual: |" + appendTo + "|");
    }
    ExpectPositions(iter, expected, tupleCount);
}

void ListFormatterTest::RunTestFieldPositionIteratorWithNItemsPatternShift(
        UnicodeString data[], int32_t n, int32_t expected[], int32_t tupleCount,
        UnicodeString& appendTo, const char16_t *expectedFormatted,
        const char* testName) {
    IcuTestErrorCode errorCode(*this, testName);
    LocalPointer<ListFormatter> formatter(
        ListFormatter::createInstance(Locale("ur", "IN"), "unit-narrow", errorCode));
    if (U_FAILURE(errorCode)) {
        dataerrln(
            "ListFormatter::createInstance(Locale(\"ur\", \"IN\"), \"unit-narrow\", errorCode) failed in "
            "%s: %s", testName, u_errorName(errorCode));
        return;
    }
    RunTestFieldPositionIteratorWithFormatter(
        formatter.getAlias(),
        data, n, expected, tupleCount, appendTo, expectedFormatted, testName);
}

void ListFormatterTest::RunTestFieldPositionIteratorWithNItems(
        UnicodeString data[], int32_t n, int32_t expected[], int32_t tupleCount,
        UnicodeString& appendTo, const char16_t *expectedFormatted,
        const char* testName) {
    IcuTestErrorCode errorCode(*this, testName);
    LocalPointer<ListFormatter> formatter(
        ListFormatter::createInstance(Locale("en"), errorCode));
    if (U_FAILURE(errorCode)) {
        dataerrln(
            "ListFormatter::createInstance(Locale(\"en\"), errorCode) failed in "
            "%s: %s", testName, u_errorName(errorCode));
        return;
    }
    RunTestFieldPositionIteratorWithFormatter(
        formatter.getAlias(),
        data, n, expected, tupleCount, appendTo, expectedFormatted, testName);
}

void ListFormatterTest::TestFieldPositionIteratorWith3ItemsAndDataBefore() {
    //  0         1         2
    //  0123456789012345678901234567
    // "Hello World: a, bbb, and cc"
    UnicodeString data[3] = {"a", "bbb", "cc"};
    int32_t expected[] = {
        ULISTFMT_ELEMENT_FIELD, 13, 14,
        ULISTFMT_LITERAL_FIELD, 14, 16,
        ULISTFMT_ELEMENT_FIELD, 16, 19,
        ULISTFMT_LITERAL_FIELD, 19, 25,
        ULISTFMT_ELEMENT_FIELD, 25, 27
    };
    int32_t tupleCount = sizeof(expected)/(3 * sizeof(*expected));
    UnicodeString appendTo(u"Hello World: ");
    RunTestFieldPositionIteratorWithNItems(
        data, 3, expected, tupleCount, appendTo,
        u"Hello World: a, bbb, and cc",
        "TestFieldPositionIteratorWith3ItemsAndDataBefore");
}

void ListFormatterTest::TestFieldPositionIteratorWith3Items() {
    //  0         1
    //  012345678901234
    // "a, bbb, and cc"
    UnicodeString data[3] = {"a", "bbb", "cc"};
    int32_t expected[] = {
        ULISTFMT_ELEMENT_FIELD, 0, 1,
        ULISTFMT_LITERAL_FIELD, 1, 3,
        ULISTFMT_ELEMENT_FIELD, 3, 6,
        ULISTFMT_LITERAL_FIELD, 6, 12,
        ULISTFMT_ELEMENT_FIELD, 12, 14
    };
    int32_t tupleCount = sizeof(expected)/(3 * sizeof(*expected));
    UnicodeString appendTo;
    RunTestFieldPositionIteratorWithNItems(
        data, 3, expected, tupleCount, appendTo,
        u"a, bbb, and cc",
        "TestFieldPositionIteratorWith3Items");
}

void ListFormatterTest::TestFieldPositionIteratorWith3ItemsPatternShift() {
    //  0         1
    //  012345678901234
    // "cc bbb a"
    UnicodeString data[3] = {"a", "bbb", "cc"};
    int32_t expected[] = {
        ULISTFMT_ELEMENT_FIELD, 7, 8,
        ULISTFMT_LITERAL_FIELD, 6, 7,
        ULISTFMT_ELEMENT_FIELD, 3, 6,
        ULISTFMT_LITERAL_FIELD, 2, 3,
        ULISTFMT_ELEMENT_FIELD, 0, 2
    };
    int32_t tupleCount = sizeof(expected)/(3 * sizeof(*expected));
    UnicodeString appendTo;
    RunTestFieldPositionIteratorWithNItemsPatternShift(
        data, 3, expected, tupleCount, appendTo,
        u"cc bbb a",
        "TestFieldPositionIteratorWith3ItemsPatternShift");
}

void ListFormatterTest::TestFieldPositionIteratorWith2ItemsAndDataBefore() {
    //  0         1
    //  0123456789012345
    // "Foo: bbb and cc"
    UnicodeString data[2] = {"bbb", "cc"};
    int32_t expected[] = {
        ULISTFMT_ELEMENT_FIELD, 5, 8,
        ULISTFMT_LITERAL_FIELD, 8, 13,
        ULISTFMT_ELEMENT_FIELD, 13, 15
    };
    int32_t tupleCount = sizeof(expected)/(3 * sizeof(*expected));
    UnicodeString appendTo("Foo: ");
    RunTestFieldPositionIteratorWithNItems(
        data, 2, expected, tupleCount, appendTo,
        u"Foo: bbb and cc",
        "TestFieldPositionIteratorWith2ItemsAndDataBefore");
}

void ListFormatterTest::TestFieldPositionIteratorWith2Items() {
    //  0         1
    //  01234567890
    // "bbb and cc"
    UnicodeString data[2] = {"bbb", "cc"};
    int32_t expected[] = {
        ULISTFMT_ELEMENT_FIELD, 0, 3,
        ULISTFMT_LITERAL_FIELD, 3, 8,
        ULISTFMT_ELEMENT_FIELD, 8, 10
    };
    int32_t tupleCount = sizeof(expected)/(3 * sizeof(*expected));
    UnicodeString appendTo;
    RunTestFieldPositionIteratorWithNItems(
        data, 2, expected, tupleCount, appendTo,
        u"bbb and cc",
        "TestFieldPositionIteratorWith2Items");
}

void ListFormatterTest::TestFieldPositionIteratorWith2ItemsPatternShift() {
    //  0         1
    //  01234567890
    // "cc bbb"
    UnicodeString data[2] = {"bbb", "cc"};
    int32_t expected[] = {
        ULISTFMT_ELEMENT_FIELD, 3, 6,
        ULISTFMT_LITERAL_FIELD, 2, 3,
        ULISTFMT_ELEMENT_FIELD, 0, 2
    };
    int32_t tupleCount = sizeof(expected)/(3 * sizeof(*expected));
    UnicodeString appendTo;
    RunTestFieldPositionIteratorWithNItemsPatternShift(
        data, 2, expected, tupleCount, appendTo,
        u"cc bbb",
        "TestFieldPositionIteratorWith2ItemsPatternShift");
}

void ListFormatterTest::TestFieldPositionIteratorWith1ItemAndDataBefore() {
    //  012345678
    // "Hello cc"
    UnicodeString data[1] = {"cc"};
    int32_t expected[] = {
        ULISTFMT_ELEMENT_FIELD, 6, 8
    };
    int32_t tupleCount = sizeof(expected)/(3 * sizeof(*expected));
    UnicodeString appendTo("Hello ");
    RunTestFieldPositionIteratorWithNItems(
        data, 1, expected, tupleCount, appendTo,
        u"Hello cc",
        "TestFieldPositionIteratorWith1ItemAndDataBefore");
}

void ListFormatterTest::TestFieldPositionIteratorWith1Item() {
    //  012
    // "cc"
    UnicodeString data[1] = {"cc"};
    int32_t expected[] = {
        ULISTFMT_ELEMENT_FIELD, 0, 2
    };
    int32_t tupleCount = sizeof(expected)/(3 * sizeof(*expected));
    UnicodeString appendTo;
    RunTestFieldPositionIteratorWithNItems(
        data, 1, expected, tupleCount, appendTo,
        u"cc",
        "TestFieldPositionIteratorWith1Item");
}

// Tests resource loading and inheritance when region sublocale
// has only partial data for the listPattern element (overriding
// some of the parent data). #12994
void ListFormatterTest::TestNynorsk() {
    UnicodeString results[4] = {
        one,
        one + " og " + two,
        one + ", " + two + " og " + three,
        one + ", " + two + ", " + three + " og " + four
    };

    CheckFourCases("nn", one, two, three, four, results, "TestNynorsk()");
}

// Tests resource loading and inheritance when region sublocale
// has only partial data for the listPattern element (overriding
// some of the parent data). #12994
void ListFormatterTest::TestChineseTradHK() {
    UnicodeString and_string = UnicodeString("\\u53CA", -1, US_INV).unescape();
    UnicodeString comma_string = UnicodeString("\\u3001", -1, US_INV).unescape();
    UnicodeString results[4] = {
        one,
        one + and_string + two,
        one + comma_string + two + and_string + three,
        one + comma_string + two + comma_string + three + and_string + four
    };

    CheckFourCases("zh_Hant_HK", one, two, three, four, results, "TestChineseTradHK()");
}

// Formatting in Russian.
// "\\u0438" is used before the last element, and all elements up to (but not including) the penultimate are followed by a comma.
void ListFormatterTest::TestRussian() {
    UnicodeString and_string = UnicodeString(" \\u0438 ", -1, US_INV).unescape();
    UnicodeString results[4] = {
        one,
        one + and_string + two,
        one + ", " + two + and_string + three,
        one + ", " + two + ", " + three + and_string + four
    };

    CheckFourCases("ru", one, two, three, four, results, "TestRussian()");
}

// Formatting in Malayalam.
// For two elements, "\\u0d15\\u0d42\\u0d1f\\u0d3e\\u0d24\\u0d46" is inserted in between.
// For more than two elements, comma is inserted between all elements up to (and including) the penultimate,
// and the word \\u0d0e\\u0d28\\u0d4d\\u0d28\\u0d3f\\u0d35 is inserted in the end.
void ListFormatterTest::TestMalayalam() {
    UnicodeString pair_string = UnicodeString(" \\u0d15\\u0d42\\u0d1f\\u0d3e\\u0d24\\u0d46 ", -1, US_INV).unescape();
    UnicodeString total_string = UnicodeString(" \\u0d0e\\u0d28\\u0d4d\\u0d28\\u0d3f\\u0d35", -1, US_INV).unescape();
    UnicodeString results[4] = {
        one,
        one + pair_string + two,
        one + ", " + two + ", " + three + total_string,
        one + ", " + two + ", " + three + ", " + four + total_string
    };

    CheckFourCases("ml", one, two, three, four, results, "TestMalayalam()");
}

// Formatting in Zulu.
// "and" is used before the last element, and all elements up to (and including) the penultimate are followed by a comma.
void ListFormatterTest::TestZulu() {
    UnicodeString results[4] = {
        one,
        one + " ne-" + two,
        one + ", " + two + ", ne-" + three,
        one + ", " + two + ", " + three + ", ne-" + four
    };

    CheckFourCases("zu", one, two, three, four, results, "TestZulu()");
}

void ListFormatterTest::TestOutOfOrderPatterns() {
    UnicodeString results[4] = {
        one,
        two + " after " + one,
        three + " in the last after " + two + " after the first " + one,
        four + " in the last after " + three + " after " + two + " after the first " + one
    };

    IcuTestErrorCode errorCode(*this, "TestOutOfOrderPatterns()");
    ListFormatData data("{1} after {0}", "{1} after the first {0}",
                        "{1} after {0}", "{1} in the last after {0}");
    ListFormatter formatter(data, errorCode);

    UnicodeString input1[] = {one};
    CheckFormatting(&formatter, input1, 1, results[0], "TestOutOfOrderPatterns()");

    UnicodeString input2[] = {one, two};
    CheckFormatting(&formatter, input2, 2, results[1], "TestOutOfOrderPatterns()");

    UnicodeString input3[] = {one, two, three};
    CheckFormatting(&formatter, input3, 3, results[2], "TestOutOfOrderPatterns()");

    UnicodeString input4[] = {one, two, three, four};
    CheckFormatting(&formatter, input4, 4, results[3], "TestOutOfOrderPatterns()");
}

void ListFormatterTest::TestFormattedValue() {
    IcuTestErrorCode status(*this, "TestFormattedValue");
    LocalPointer<ListFormatter> fmt(ListFormatter::createInstance("en", status));
    if (status.errIfFailureAndReset()) { return; }

    {
        const char16_t* message = u"Field position test 1";
        const char16_t* expectedString = u"hello, wonderful, and world";
        const UnicodeString inputs[] = {
            u"hello",
            u"wonderful",
            u"world"
        };
        FormattedList result = fmt->formatStringsToValue(inputs, UPRV_LENGTHOF(inputs), status);
        static const UFieldPositionWithCategory expectedFieldPositions[] = {
            // field, begin index, end index
            {UFIELD_CATEGORY_LIST_SPAN, 0, 0, 5},
            {UFIELD_CATEGORY_LIST, ULISTFMT_ELEMENT_FIELD, 0, 5},
            {UFIELD_CATEGORY_LIST, ULISTFMT_LITERAL_FIELD, 5, 7},
            {UFIELD_CATEGORY_LIST_SPAN, 1, 7, 16},
            {UFIELD_CATEGORY_LIST, ULISTFMT_ELEMENT_FIELD, 7, 16},
            {UFIELD_CATEGORY_LIST, ULISTFMT_LITERAL_FIELD, 16, 22},
            {UFIELD_CATEGORY_LIST_SPAN, 2, 22, 27},
            {UFIELD_CATEGORY_LIST, ULISTFMT_ELEMENT_FIELD, 22, 27}};
        checkMixedFormattedValue(
            message,
            result,
            expectedString,
            expectedFieldPositions,
            UPRV_LENGTHOF(expectedFieldPositions));
    }
}

void ListFormatterTest::DoTheRealListStyleTesting(Locale locale,
        UnicodeString items[], int itemCount,
        const char* style, const char* expected, IcuTestErrorCode status) {

    LocalPointer<ListFormatter> formatter(
            ListFormatter::createInstance(locale, style, status));

    UnicodeString actualResult;
    formatter->format(items, itemCount, actualResult, status);
    assertEquals(style, UnicodeString(expected), actualResult);
}

void ListFormatterTest::TestDifferentStyles() {
    Locale locale("fr");
    UnicodeString input[4] = { u"rouge", u"jaune", u"bleu", u"vert" };
    IcuTestErrorCode status(*this, "TestDifferentStyles()");

    DoTheRealListStyleTesting(locale, input, 4, "standard", "rouge, jaune, bleu et vert", status);
    DoTheRealListStyleTesting(locale, input, 4, "or", "rouge, jaune, bleu ou vert", status);
    DoTheRealListStyleTesting(locale, input, 4, "unit", "rouge, jaune, bleu et vert", status);
    DoTheRealListStyleTesting(locale, input, 4, "unit-narrow", "rouge jaune bleu vert", status);
    DoTheRealListStyleTesting(locale, input, 4, "unit-short", "rouge, jaune, bleu et vert", status);
}

void ListFormatterTest::TestBadStylesFail() {
    Locale locale("fr");
    const char * badStyles[4] = { "", "duration", "duration-short", "something-clearly-wrong" };
    IcuTestErrorCode status(*this, "TestBadStylesFail()");

    for (int i = 0; i < 4; ++i) {
      LocalPointer<ListFormatter> formatter(ListFormatter::createInstance(locale, badStyles[i], status));
      if (!status.expectErrorAndReset(U_MISSING_RESOURCE_ERROR, "style \"%s\"", badStyles[i])) {
        // Do nothing, expectErrorAndReset already reports the error
      }
    }
}

void ListFormatterTest::TestCreateStyled() {
    IcuTestErrorCode status(*this, "TestCreateStyled");
    // Locale en has interesting data
    struct TestCase {
        const char* locale;
        UListFormatterType type;
        UListFormatterWidth width;
        const char16_t* expected3;
        const char16_t* expected2;
        const char16_t* expected1;
    } cases[] = {
        { "pt", ULISTFMT_TYPE_AND, ULISTFMT_WIDTH_WIDE, u"A, B e C", u"A e B", u"A" },
        { "pt", ULISTFMT_TYPE_AND, ULISTFMT_WIDTH_SHORT, u"A, B e C", u"A e B", u"A" },
        { "pt", ULISTFMT_TYPE_AND, ULISTFMT_WIDTH_NARROW, u"A, B, C", u"A, B", u"A" },
        { "pt", ULISTFMT_TYPE_OR, ULISTFMT_WIDTH_WIDE, u"A, B ou C", u"A ou B", u"A" },
        { "pt", ULISTFMT_TYPE_OR, ULISTFMT_WIDTH_SHORT, u"A, B ou C", u"A ou B", u"A" },
        { "pt", ULISTFMT_TYPE_OR, ULISTFMT_WIDTH_NARROW, u"A, B ou C", u"A ou B", u"A" },
        { "pt", ULISTFMT_TYPE_UNITS, ULISTFMT_WIDTH_WIDE, u"A, B e C", u"A e B", u"A" },
        { "pt", ULISTFMT_TYPE_UNITS, ULISTFMT_WIDTH_SHORT, u"A, B e C", u"A e B", u"A" },
        { "pt", ULISTFMT_TYPE_UNITS, ULISTFMT_WIDTH_NARROW, u"A B C", u"A B", u"A" },
        { "en", ULISTFMT_TYPE_AND, ULISTFMT_WIDTH_WIDE, u"A, B, and C", u"A and B", u"A" },
        { "en", ULISTFMT_TYPE_AND, ULISTFMT_WIDTH_SHORT, u"A, B, & C", u"A & B", u"A" },
        { "en", ULISTFMT_TYPE_AND, ULISTFMT_WIDTH_NARROW, u"A, B, C", u"A, B", u"A" },
        { "en", ULISTFMT_TYPE_OR, ULISTFMT_WIDTH_WIDE, u"A, B, or C", u"A or B", u"A" },
        { "en", ULISTFMT_TYPE_OR, ULISTFMT_WIDTH_SHORT, u"A, B, or C", u"A or B", u"A" },
        { "en", ULISTFMT_TYPE_OR, ULISTFMT_WIDTH_NARROW, u"A, B, or C", u"A or B", u"A" },
        { "en", ULISTFMT_TYPE_UNITS, ULISTFMT_WIDTH_WIDE, u"A, B, C", u"A, B", u"A" },
        { "en", ULISTFMT_TYPE_UNITS, ULISTFMT_WIDTH_SHORT, u"A, B, C", u"A, B", u"A" },
        { "en", ULISTFMT_TYPE_UNITS, ULISTFMT_WIDTH_NARROW, u"A B C", u"A B", u"A" },
    };
    for (auto cas : cases) {
        LocalPointer<ListFormatter> fmt(
            ListFormatter::createInstance(cas.locale, cas.type, cas.width, status),
            status);
        if (status.errIfFailureAndReset()) {
            continue;
        }
        UnicodeString message = UnicodeString(u"TestCreateStyled loc=")
            + cas.locale + u" type="
            + Int64ToUnicodeString(cas.type) + u" width="
            + Int64ToUnicodeString(cas.width);
        const UnicodeString inputs3[] = {
            u"A",
            u"B",
            u"C"
        };
        FormattedList result = fmt->formatStringsToValue(inputs3, UPRV_LENGTHOF(inputs3), status);
        assertEquals(message, cas.expected3, result.toTempString(status));
        const UnicodeString inputs2[] = {
            u"A",
            u"B"
        };
        result = fmt->formatStringsToValue(inputs2, UPRV_LENGTHOF(inputs2), status);
        assertEquals(message, cas.expected2, result.toTempString(status));
        const UnicodeString inputs1[] = {
            u"A"
        };
        result = fmt->formatStringsToValue(inputs1, UPRV_LENGTHOF(inputs1), status);
        assertEquals(message, cas.expected1, result.toTempString(status));
    }
}

#endif /* #if !UCONFIG_NO_FORMATTING */