// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 1997-2015, International Business Machines Corporation and    *
* others. All Rights Reserved.                                                *
*******************************************************************************
*
* File COMPACTDECIMALFORMATTEST.CPP
*
********************************************************************************
*/
#include <stdio.h>
#include <stdlib.h>

#include "intltest.h"

#if !UCONFIG_NO_FORMATTING

#include "unicode/compactdecimalformat.h"
#include "unicode/unum.h"
#include "cmemory.h"

typedef struct ExpectedResult {
  double value;
  // Invariant characters, will be converted to UTF-16 and then unescaped.
  const char *expected;
} ExpectedResult;

static const char *kShortStr = "Short";
static const char *kLongStr = "Long";

static ExpectedResult kEnglishShort[] = {
  {0.0, "0"},
  {0.17, "0.17"},
  {1.0, "1"},
  {1234.0, "1.2K"},
  {12345.0, "12K"},
  {123456.0, "120K"},
  {1234567.0, "1.2M"},
  {12345678.0, "12M"},
  {123456789.0, "120M"},
  {1.23456789E9, "1.2B"},
  {1.23456789E10, "12B"},
  {1.23456789E11, "120B"},
  {1.23456789E12, "1.2T"},
  {1.23456789E13, "12T"},
  {1.23456789E14, "120T"},
  {1.23456789E15, "1200T"}};

static ExpectedResult kSerbianShort[] = {
  {1234.0, "1,2\\u00a0\\u0445\\u0438\\u0459."},
  {12345.0, "12\\u00a0\\u0445\\u0438\\u0459."},
  {20789.0, "21\\u00a0\\u0445\\u0438\\u0459."},
  {123456.0, "120\\u00a0\\u0445\\u0438\\u0459."},
  {1234567.0, "1,2\\u00A0\\u043C\\u0438\\u043B."},
  {12345678.0, "12\\u00A0\\u043C\\u0438\\u043B."},
  {123456789.0, "120\\u00A0\\u043C\\u0438\\u043B."},
  {1.23456789E9, "1,2\\u00A0\\u043C\\u043B\\u0440\\u0434."},
  {1.23456789E10, "12\\u00A0\\u043C\\u043B\\u0440\\u0434."},
  {1.23456789E11, "120\\u00A0\\u043C\\u043B\\u0440\\u0434."},
  {1.23456789E12, "1,2\\u00A0\\u0431\\u0438\\u043B."},
  {1.23456789E13, "12\\u00A0\\u0431\\u0438\\u043B."},
  {1.23456789E14, "120\\u00A0\\u0431\\u0438\\u043B."},
  {1.23456789E15, "1200\\u00A0\\u0431\\u0438\\u043B."}};

static ExpectedResult kSerbianLong[] = {
  {1234.0, "1,2 \\u0445\\u0438\\u0459\\u0430\\u0434\\u0435"}, // 10^3 few
  {12345.0, "12 \\u0445\\u0438\\u0459\\u0430\\u0434\\u0430"}, // 10^3 other
  {21789.0, "22 \\u0445\\u0438\\u0459\\u0430\\u0434\\u0435"}, // 10^3 few
  {123456.0, "120 \\u0445\\u0438\\u0459\\u0430\\u0434\\u0430"}, // 10^3 other
  {999999.0, "1 \\u043C\\u0438\\u043B\\u0438\\u043E\\u043D"}, // 10^6 one
  {1234567.0, "1,2 \\u043C\\u0438\\u043B\\u0438\\u043E\\u043D\\u0430"}, // 10^6 few
  {12345678.0, "12 \\u043C\\u0438\\u043B\\u0438\\u043E\\u043D\\u0430"}, // 10^6 other
  {123456789.0, "120 \\u043C\\u0438\\u043B\\u0438\\u043E\\u043D\\u0430"}, // 10^6 other
  {1.23456789E9, "1,2 \\u043C\\u0438\\u043B\\u0438\\u0458\\u0430\\u0440\\u0434\\u0435"}, // 10^9 few
  {1.23456789E10, "12 \\u043C\\u0438\\u043B\\u0438\\u0458\\u0430\\u0440\\u0434\\u0438"}, // 10^9 other
  {2.08901234E10, "21 \\u043C\\u0438\\u043B\\u0438\\u0458\\u0430\\u0440\\u0434\\u0430"}, // 10^9 one
  {2.18901234E10, "22 \\u043C\\u0438\\u043B\\u0438\\u0458\\u0430\\u0440\\u0434\\u0435"}, // 10^9 few
  {1.23456789E11, "120 \\u043C\\u0438\\u043B\\u0438\\u0458\\u0430\\u0440\\u0434\\u0438"}, // 10^9 other
  {1.23456789E12, "1,2 \\u0431\\u0438\\u043B\\u0438\\u043E\\u043D\\u0430"}, // 10^12 few
  {1.23456789E13, "12 \\u0431\\u0438\\u043B\\u0438\\u043E\\u043D\\u0430"}, // 10^12 other
  {1.23456789E14, "120 \\u0431\\u0438\\u043B\\u0438\\u043E\\u043D\\u0430"}, // 10^12 other
  {1.23456789E15, "1200 \\u0431\\u0438\\u043B\\u0438\\u043E\\u043D\\u0430"}}; // 10^12 other

static ExpectedResult kSerbianLongNegative[] = {
  {-1234.0, "-1,2 \\u0445\\u0438\\u0459\\u0430\\u0434\\u0435"},
  {-12345.0, "-12 \\u0445\\u0438\\u0459\\u0430\\u0434\\u0430"},
  {-21789.0, "-22 \\u0445\\u0438\\u0459\\u0430\\u0434\\u0435"},
  {-123456.0, "-120 \\u0445\\u0438\\u0459\\u0430\\u0434\\u0430"},
  {-999999.0, "-1 \\u043C\\u0438\\u043B\\u0438\\u043E\\u043D"},
  {-1234567.0, "-1,2 \\u043C\\u0438\\u043B\\u0438\\u043E\\u043D\\u0430"},
  {-12345678.0, "-12 \\u043C\\u0438\\u043B\\u0438\\u043E\\u043D\\u0430"},
  {-123456789.0, "-120 \\u043C\\u0438\\u043B\\u0438\\u043E\\u043D\\u0430"},
  {-1.23456789E9, "-1,2 \\u043C\\u0438\\u043B\\u0438\\u0458\\u0430\\u0440\\u0434\\u0435"},
  {-1.23456789E10, "-12 \\u043C\\u0438\\u043B\\u0438\\u0458\\u0430\\u0440\\u0434\\u0438"},
  {-2.08901234E10, "-21 \\u043C\\u0438\\u043B\\u0438\\u0458\\u0430\\u0440\\u0434\\u0430"},
  {-2.18901234E10, "-22 \\u043C\\u0438\\u043B\\u0438\\u0458\\u0430\\u0440\\u0434\\u0435"},
  {-1.23456789E11, "-120 \\u043C\\u0438\\u043B\\u0438\\u0458\\u0430\\u0440\\u0434\\u0438"},
  {-1.23456789E12, "-1,2 \\u0431\\u0438\\u043B\\u0438\\u043E\\u043D\\u0430"},
  {-1.23456789E13, "-12 \\u0431\\u0438\\u043B\\u0438\\u043E\\u043D\\u0430"},
  {-1.23456789E14, "-120 \\u0431\\u0438\\u043B\\u0438\\u043E\\u043D\\u0430"},
  {-1.23456789E15, "-1200 \\u0431\\u0438\\u043B\\u0438\\u043E\\u043D\\u0430"}};

static ExpectedResult kJapaneseShort[] = {
  {1234.0, "1200"},
  {12345.0, "1.2\\u4E07"},
  {123456.0, "12\\u4E07"},
  {1234567.0, "120\\u4E07"},
  {12345678.0, "1200\\u4E07"},
  {123456789.0, "1.2\\u5104"},
  {1.23456789E9, "12\\u5104"},
  {1.23456789E10, "120\\u5104"},
  {1.23456789E11, "1200\\u5104"},
  {1.23456789E12, "1.2\\u5146"},
  {1.23456789E13, "12\\u5146"},
  {1.23456789E14, "120\\u5146"}};

static ExpectedResult kSwahiliShort[] = {
  {1234.0, "elfu\\u00a01.2"},
  {12345.0, "elfu\\u00a012"},
  {123456.0, "elfu\\u00a0120"},
  {1234567.0, "1.2M"},
  {12345678.0, "12M"},
  {123456789.0, "120M"},
  {1.23456789E9, "1.2B"},
  {1.23456789E10, "12B"},
  {1.23456789E11, "120B"},
  {1.23456789E12, "1.2T"},
  {1.23456789E13, "12T"},
  {1.23456789E15, "1200T"}};

static ExpectedResult kCsShort[] = {
  {1000.0, "1\\u00a0tis."},
  {1500.0, "1,5\\u00a0tis."},
  {5000.0, "5\\u00a0tis."},
  {23000.0, "23\\u00a0tis."},
  {127123.0, "130\\u00a0tis."},
  {1271234.0, "1,3\\u00a0mil."},
  {12712345.0, "13\\u00a0mil."},
  {127123456.0, "130\\u00a0mil."},
  {1.27123456E9, "1,3\\u00a0mld."},
  {1.27123456E10, "13\\u00a0mld."},
  {1.27123456E11, "130\\u00a0mld."},
  {1.27123456E12, "1,3\\u00a0bil."},
  {1.27123456E13, "13\\u00a0bil."},
  {1.27123456E14, "130\\u00a0bil."}};

static ExpectedResult kSkLong[] = {
  {1000.0, "1 tis\\u00edc"},
  {1572.0, "1,6 tis\\u00edca"},
  {5184.0, "5,2 tis\\u00edca"}};

static ExpectedResult kSwahiliShortNegative[] = {
  {-1234.0, "elfu\\u00a0-1.2"},
  {-12345.0, "elfu\\u00a0-12"},
  {-123456.0, "elfu\\u00a0-120"},
  {-1234567.0, "-1.2M"},
  {-12345678.0, "-12M"},
  {-123456789.0, "-120M"},
  {-1.23456789E9, "-1.2B"},
  {-1.23456789E10, "-12B"},
  {-1.23456789E11, "-120B"},
  {-1.23456789E12, "-1.2T"},
  {-1.23456789E13, "-12T"},
  {-1.23456789E15, "-1200T"}};

static ExpectedResult kArabicLong[] = {
  {-5300.0, "\\u061C-\\u0665\\u066B\\u0663 \\u0623\\u0644\\u0641"}};

static ExpectedResult kChineseCurrencyTestData[] = {
        {1.0, "\\u00A51"},
        {12.0, "\\u00A512"},
        {123.0, "\\u00A5120"},
        {1234.0, "\\u00A51200"},
        {12345.0, "\\u00A51.2\\u4E07"},
        {123456.0, "\\u00A512\\u4E07"},
        {1234567.0, "\\u00A5120\\u4E07"},
        {12345678.0, "\\u00A51200\\u4E07"},
        {123456789.0, "\\u00A51.2\\u4EBF"},
        {1234567890.0, "\\u00A512\\u4EBF"},
        {12345678901.0, "\\u00A5120\\u4EBF"},
        {123456789012.0, "\\u00A51200\\u4EBF"},
        {1234567890123.0, "\\u00A51.2\\u4E07\\u4EBF"},
        {12345678901234.0, "\\u00A512\\u4E07\\u4EBF"},
        {123456789012345.0, "\\u00A5120\\u4E07\\u4EBF"},
};
static ExpectedResult kGermanCurrencyTestData[] = {
        {1.0, "1\\u00A0\\u20AC"},
        {12.0, "12\\u00A0\\u20AC"},
        {123.0, "120\\u00A0\\u20AC"},
        {1234.0, "1200\\u00A0\\u20AC"},
        {12345.0, "12.000\\u00A0\\u20AC"},
        {123456.0, "120.000\\u00A0\\u20AC"},
        {1234567.0, "1,2\\u00A0Mio.\\u00A0\\u20AC"},
        {12345678.0, "12\\u00A0Mio.\\u00A0\\u20AC"},
        {123456789.0, "120\\u00A0Mio.\\u00A0\\u20AC"},
        {1234567890.0, "1,2\\u00A0Mrd.\\u00A0\\u20AC"},
        {12345678901.0, "12\\u00A0Mrd.\\u00A0\\u20AC"},
        {123456789012.0, "120\\u00A0Mrd.\\u00A0\\u20AC"},
        {1234567890123.0, "1,2\\u00A0Bio.\\u00A0\\u20AC"},
        {12345678901234.0, "12\\u00A0Bio.\\u00A0\\u20AC"},
        {123456789012345.0, "120\\u00A0Bio.\\u00A0\\u20AC"},
};
static ExpectedResult kEnglishCurrencyTestData[] = {
        {1.0, "$1"},
        {12.0, "$12"},
        {123.0, "$120"},
        {1234.0, "$1.2K"},
        {12345.0, "$12K"},
        {123456.0, "$120K"},
        {1234567.0, "$1.2M"},
        {12345678.0, "$12M"},
        {123456789.0, "$120M"},
        {1234567890.0, "$1.2B"},
        {12345678901.0, "$12B"},
        {123456789012.0, "$120B"},
        {1234567890123.0, "$1.2T"},
        {12345678901234.0, "$12T"},
        {123456789012345.0, "$120T"},
};


class CompactDecimalFormatTest : public IntlTest {
public:
    CompactDecimalFormatTest() {
    }

    void runIndexedTest(int32_t index, UBool exec, const char *&name, char *par=0) override;
private:
    void TestEnglishShort();
    void TestSerbianShort();
    void TestSerbianLong();
    void TestSerbianLongNegative();
    void TestJapaneseShort();
    void TestSwahiliShort();
    void TestCsShort();
    void TestSkLong();
    void TestSwahiliShortNegative();
    void TestEnglishCurrency();
    void TestGermanCurrency();
    void TestChineseCurrency();
    void TestArabicLong();
    void TestFieldPosition();
    void TestDefaultSignificantDigits();
    void TestAPIVariants();
    void TestBug12975();
    
    void CheckLocale(
        const Locale& locale, UNumberCompactStyle style,
        const ExpectedResult* expectedResults, int32_t expectedResultLength);
    void CheckLocaleWithCurrency(const Locale& locale, UNumberCompactStyle style, const UChar* currency,
                                 const ExpectedResult* expectedResults, int32_t expectedResultLength);
    void CheckExpectedResult(
        const CompactDecimalFormat* cdf, const ExpectedResult* expectedResult,
        const char* description);
    CompactDecimalFormat* createCDFInstance(const Locale& locale, UNumberCompactStyle style, UErrorCode& status);
    static const char *StyleStr(UNumberCompactStyle style);
};

void CompactDecimalFormatTest::runIndexedTest(
    int32_t index, UBool exec, const char *&name, char *) {
  if (exec) {
    logln("TestSuite CompactDecimalFormatTest: ");
  }
  TESTCASE_AUTO_BEGIN;
  TESTCASE_AUTO(TestEnglishShort);
  TESTCASE_AUTO(TestSerbianShort);
  TESTCASE_AUTO(TestSerbianLong);
  TESTCASE_AUTO(TestSerbianLongNegative);
  TESTCASE_AUTO(TestJapaneseShort);
  TESTCASE_AUTO(TestSwahiliShort);
  TESTCASE_AUTO(TestEnglishCurrency);
  TESTCASE_AUTO(TestGermanCurrency);
  TESTCASE_AUTO(TestChineseCurrency);
  TESTCASE_AUTO(TestCsShort);
  TESTCASE_AUTO(TestSkLong);
  TESTCASE_AUTO(TestSwahiliShortNegative);
  TESTCASE_AUTO(TestArabicLong);
  TESTCASE_AUTO(TestFieldPosition);
  TESTCASE_AUTO(TestDefaultSignificantDigits);
  TESTCASE_AUTO(TestAPIVariants);
  TESTCASE_AUTO(TestBug12975);
  TESTCASE_AUTO_END;
}

void CompactDecimalFormatTest::TestEnglishShort() {
  CheckLocale("en", UNUM_SHORT, kEnglishShort, UPRV_LENGTHOF(kEnglishShort));
}

void CompactDecimalFormatTest::TestSerbianShort() {
  CheckLocale("sr", UNUM_SHORT, kSerbianShort, UPRV_LENGTHOF(kSerbianShort));
}

void CompactDecimalFormatTest::TestSerbianLong() {
  CheckLocale("sr", UNUM_LONG, kSerbianLong, UPRV_LENGTHOF(kSerbianLong));
}

void CompactDecimalFormatTest::TestSerbianLongNegative() {
  CheckLocale("sr", UNUM_LONG, kSerbianLongNegative, UPRV_LENGTHOF(kSerbianLongNegative));
}

void CompactDecimalFormatTest::TestJapaneseShort() {
  CheckLocale(Locale::getJapan(), UNUM_SHORT, kJapaneseShort, UPRV_LENGTHOF(kJapaneseShort));
}

void CompactDecimalFormatTest::TestSwahiliShort() {
  CheckLocale("sw", UNUM_SHORT, kSwahiliShort, UPRV_LENGTHOF(kSwahiliShort));
}

void CompactDecimalFormatTest::TestEnglishCurrency() {
    CheckLocaleWithCurrency(
            "en", UNUM_SHORT, u"USD", kEnglishCurrencyTestData, UPRV_LENGTHOF(kEnglishCurrencyTestData));
}

void CompactDecimalFormatTest::TestGermanCurrency() {
    CheckLocaleWithCurrency(
            "de", UNUM_SHORT, u"EUR", kGermanCurrencyTestData, UPRV_LENGTHOF(kGermanCurrencyTestData));
}

void CompactDecimalFormatTest::TestChineseCurrency() {
    CheckLocaleWithCurrency(
            "zh", UNUM_SHORT, u"CNY", kChineseCurrencyTestData, UPRV_LENGTHOF(kChineseCurrencyTestData));
}

void CompactDecimalFormatTest::TestFieldPosition() {
  // Swahili uses prefixes which forces offsets in field position to change
  UErrorCode status = U_ZERO_ERROR;
  LocalPointer<CompactDecimalFormat> cdf(createCDFInstance("sw", UNUM_SHORT, status));
  if (U_FAILURE(status)) {
    dataerrln("Unable to create format object - %s", u_errorName(status));
    return;
  }
  FieldPosition fp(UNUM_INTEGER_FIELD);
  UnicodeString result;
  cdf->format(1234567.0, result, fp);
  UnicodeString subString = result.tempSubString(fp.getBeginIndex(), fp.getEndIndex() - fp.getBeginIndex());
  if (subString != UnicodeString("1", -1, US_INV)) {
    errln(UnicodeString("Expected 1, got ") + subString);
  }
}

void CompactDecimalFormatTest::TestCsShort() {
  CheckLocale("cs", UNUM_SHORT, kCsShort, UPRV_LENGTHOF(kCsShort));
}

void CompactDecimalFormatTest::TestSkLong() {
  // In CLDR we have:
  // 1000 {
  //   few{"0"}
  //   one{"0"}
  //   other{"0"}
  CheckLocale("sk", UNUM_LONG, kSkLong, UPRV_LENGTHOF(kSkLong));
}

void CompactDecimalFormatTest::TestSwahiliShortNegative() {
  CheckLocale("sw", UNUM_SHORT, kSwahiliShortNegative, UPRV_LENGTHOF(kSwahiliShortNegative));
}

void CompactDecimalFormatTest::TestArabicLong() {
  CheckLocale("ar-EG", UNUM_LONG, kArabicLong, UPRV_LENGTHOF(kArabicLong));
}

void CompactDecimalFormatTest::TestDefaultSignificantDigits() {
  UErrorCode status = U_ZERO_ERROR;
  LocalPointer<CompactDecimalFormat> cdf(CompactDecimalFormat::createInstance("en", UNUM_SHORT, status));
  if (U_FAILURE(status)) {
    dataerrln("Unable to create format object - %s", u_errorName(status));
    return;
  }
  // We are expecting two significant digits for compact formats with one or two zeros,
  // and rounded to the unit for compact formats with three or more zeros.
  UnicodeString actual;
  assertEquals("Default significant digits", u"123K", cdf->format(123456, actual.remove()));
  assertEquals("Default significant digits", u"12K", cdf->format(12345, actual.remove()));
  assertEquals("Default significant digits", u"1.2K", cdf->format(1234, actual.remove()));
  assertEquals("Default significant digits", u"123", cdf->format(123, actual.remove()));
}

void CompactDecimalFormatTest::TestAPIVariants() {
  UErrorCode status = U_ZERO_ERROR;
  LocalPointer<CompactDecimalFormat> cdf(CompactDecimalFormat::createInstance("en", UNUM_SHORT, status));
  if (U_FAILURE(status)) {
    dataerrln("Unable to create format object - %s", u_errorName(status));
    return;
  }
  UnicodeString actual;
  FieldPosition pos;
  FieldPositionIterator posIter;
  UnicodeString expected("123K", -1, US_INV);
  pos.setField(UNUM_INTEGER_FIELD);
  
  actual.remove();
  pos.setBeginIndex(0);
  pos.setEndIndex(0);
  cdf->format((double)123456.0, actual, pos);
  if (actual != expected || pos.getEndIndex() != 3) {
    errln(UnicodeString("Fail format(double,UnicodeString&,FieldPosition&): Expected: \"") + expected + "\", pos 3; " +
                                                                           "Got: \"" + actual + "\", pos " + pos.getEndIndex());
  }
  
  actual.remove();
  pos.setBeginIndex(0);
  pos.setEndIndex(0);
  status = U_ZERO_ERROR;
  cdf->format((double)123456.0, actual, pos, status);
  if (actual != expected || pos.getEndIndex() != 3 || status != U_ZERO_ERROR) {
    errln(UnicodeString("Fail format(double,UnicodeString&,FieldPosition&,UErrorCode&): Expected: \"") + expected + "\", pos 3, status U_ZERO_ERROR; " +
                                                              "Got: \"" + actual + "\", pos " + pos.getEndIndex() + ", status " + u_errorName(status));
  }
  
  actual.remove();
  pos.setBeginIndex(0);
  pos.setEndIndex(0);
  status = U_ZERO_ERROR;
  cdf->format((double)123456.0, actual, &posIter, status);
  posIter.next(pos);
  if (actual != expected || pos.getEndIndex() != 3 || status != U_ZERO_ERROR) {
    errln(UnicodeString("Fail format(int32_t,UnicodeString&,FieldPosition&,UErrorCode&): Expected: \"") + expected + "\", first pos 3, status U_ZERO_ERROR; " +
          "Got: \"" + actual + "\", pos " + pos.getEndIndex() + ", status " + u_errorName(status));
  }

  actual.remove();
  pos.setBeginIndex(0);
  pos.setEndIndex(0);
  cdf->format((int32_t)123456, actual, pos);
  if (actual != expected || pos.getEndIndex() != 3) {
    errln(UnicodeString("Fail format(int32_t,UnicodeString&,FieldPosition&): Expected: \"") + expected + "\", pos 3; " +
                                                                           "Got: \"" + actual + "\", pos " + pos.getEndIndex());
  }
  
  actual.remove();
  pos.setBeginIndex(0);
  pos.setEndIndex(0);
  status = U_ZERO_ERROR;
  cdf->format((int32_t)123456, actual, pos, status);
  if (actual != expected || pos.getEndIndex() != 3 || status != U_ZERO_ERROR) {
    errln(UnicodeString("Fail format(int32_t,UnicodeString&,FieldPosition&,UErrorCode&): Expected: \"") + expected + "\", pos 3, status U_ZERO_ERROR; " +
                                                              "Got: \"" + actual + "\", pos " + pos.getEndIndex() + ", status " + u_errorName(status));
  }
  
  actual.remove();
  pos.setBeginIndex(0);
  pos.setEndIndex(0);
  status = U_ZERO_ERROR;
  cdf->format((int32_t)123456, actual, &posIter, status);
  posIter.next(pos);
  if (actual != expected || pos.getEndIndex() != 3 || status != U_ZERO_ERROR) {
    errln(UnicodeString("Fail format(int32_t,UnicodeString&,FieldPosition&,UErrorCode&): Expected: \"") + expected + "\", first pos 3, status U_ZERO_ERROR; " +
          "Got: \"" + actual + "\", pos " + pos.getEndIndex() + ", status " + u_errorName(status));
  }

  actual.remove();
  pos.setBeginIndex(0);
  pos.setEndIndex(0);
  cdf->format((int64_t)123456, actual, pos);
  if (actual != expected || pos.getEndIndex() != 3) {
    errln(UnicodeString("Fail format(int64_t,UnicodeString&,FieldPosition&): Expected: \"") + expected + "\", pos 3; " +
                                                                           "Got: \"" + actual + "\", pos " + pos.getEndIndex());
  }
  
  actual.remove();
  pos.setBeginIndex(0);
  pos.setEndIndex(0);
  status = U_ZERO_ERROR;
  cdf->format((int64_t)123456, actual, pos, status);
  if (actual != expected || pos.getEndIndex() != 3 || status != U_ZERO_ERROR) {
    errln(UnicodeString("Fail format(int64_t,UnicodeString&,FieldPosition&,UErrorCode&): Expected: \"") + expected + "\", pos 3, status U_ZERO_ERROR; " +
                                                              "Got: \"" + actual + "\", pos " + pos.getEndIndex() + ", status " + u_errorName(status));
  }
  
  actual.remove();
  pos.setBeginIndex(0);
  pos.setEndIndex(0);
  status = U_ZERO_ERROR;
  cdf->format((int64_t)123456, actual, &posIter, status);
  posIter.next(pos);
  if (actual != expected || pos.getEndIndex() != 3 || status != U_ZERO_ERROR) {
    errln(UnicodeString("Fail format(int32_t,UnicodeString&,FieldPosition&,UErrorCode&): Expected: \"") + expected + "\", first pos 3, status U_ZERO_ERROR; " +
          "Got: \"" + actual + "\", pos " + pos.getEndIndex() + ", status " + u_errorName(status));
  }

}

void CompactDecimalFormatTest::TestBug12975() {
	IcuTestErrorCode status(*this, "TestBug12975");
    Locale locale("it");
    LocalPointer<CompactDecimalFormat> cdf(CompactDecimalFormat::createInstance(locale, UNUM_SHORT, status));
    if (assertSuccess("", status, true, __FILE__, __LINE__)) {
        UnicodeString resultCdf;
        cdf->format(12000, resultCdf);
        LocalPointer<DecimalFormat> df((DecimalFormat*) DecimalFormat::createInstance(locale, status));
        UnicodeString resultDefault;
        df->format(12000, resultDefault);
        assertEquals("CompactDecimalFormat should use default pattern when compact pattern is unavailable",
                     resultDefault, resultCdf);
    }
}


// End test cases. Helpers:

void CompactDecimalFormatTest::CheckLocale(const Locale& locale, UNumberCompactStyle style, const ExpectedResult* expectedResults, int32_t expectedResultLength) {
  UErrorCode status = U_ZERO_ERROR;
  LocalPointer<CompactDecimalFormat> cdf(createCDFInstance(locale, style, status));
  if (U_FAILURE(status)) {
    dataerrln("Unable to create format object - %s", u_errorName(status));
    return;
  }
  char description[256];
  sprintf(description,"%s - %s", locale.getName(), StyleStr(style));
  for (int32_t i = 0; i < expectedResultLength; i++) {
    CheckExpectedResult(cdf.getAlias(), &expectedResults[i], description);
  }
}

void CompactDecimalFormatTest::CheckLocaleWithCurrency(const Locale& locale, UNumberCompactStyle style,
                                                       const UChar* currency,
                                                       const ExpectedResult* expectedResults,
                                                       int32_t expectedResultLength) {
    UErrorCode status = U_ZERO_ERROR;
    LocalPointer<CompactDecimalFormat> cdf(createCDFInstance(locale, style, status));
    if (U_FAILURE(status)) {
        dataerrln("Unable to create format object - %s", u_errorName(status));
        return;
    }
    cdf->setCurrency(currency, status);
    assertSuccess("Failed to set currency", status);
    char description[256];
    sprintf(description,"%s - %s", locale.getName(), StyleStr(style));
    for (int32_t i = 0; i < expectedResultLength; i++) {
        CheckExpectedResult(cdf.getAlias(), &expectedResults[i], description);
    }
}

void CompactDecimalFormatTest::CheckExpectedResult(
    const CompactDecimalFormat* cdf, const ExpectedResult* expectedResult, const char* description) {
  UnicodeString actual;
  cdf->format(expectedResult->value, actual);
  UnicodeString expected(expectedResult->expected, -1, US_INV);
  expected = expected.unescape();
  if (actual != expected) {
    errln(UnicodeString("Fail: Expected: ") + expected
          + UnicodeString(" Got: ") + actual
          + UnicodeString(" for: ") + UnicodeString(description));
  }
}

CompactDecimalFormat*
CompactDecimalFormatTest::createCDFInstance(const Locale& locale, UNumberCompactStyle style, UErrorCode& status) {
  CompactDecimalFormat* result = CompactDecimalFormat::createInstance(locale, style, status);
  if (U_FAILURE(status)) {
    return NULL;
  }
  // All tests are written for two significant digits, so we explicitly set here
  // in case default significant digits change.
  result->setMaximumSignificantDigits(2);
  return result;
}

const char *CompactDecimalFormatTest::StyleStr(UNumberCompactStyle style) {
  if (style == UNUM_SHORT) {
    return kShortStr;
  }
  return kLongStr;
}

extern IntlTest *createCompactDecimalFormatTest() {
  return new CompactDecimalFormatTest();
}

#endif
