text: // © 2016 and later: Unicode, Inc. and others.
  // License & terms of use: http://www.unicode.org/copyright.html
  /*
  *******************************************************************************
  * Copyright (C) 2014-2015, International Business Machines Corporation and         *
  * others. All Rights Reserved.                                                *
  *******************************************************************************
  *
  * File numfmtspectest.cpp
  *
  *******************************************************************************
  */
  #include <stdio.h>
  #include <stdlib.h>
  
  #include "intltest.h"
  
  #if !UCONFIG_NO_FORMATTING
  
  #include "unicode/localpointer.h"
  #include "unicode/decimfmt.h"
  #include "unicode/dtfmtsym.h"
  #include "uassert.h"
  
  static const UChar kJPY[] = {0x4A, 0x50, 0x59};
  
  static void fixNonBreakingSpace(UnicodeString &str) {
      for (int32_t i = 0; i < str.length(); ++i) {
          if (str[i] == 0xa0) {
              str.setCharAt(i, 0x20);
          }
      }    
  }
  
  static NumberFormat *nfWithPattern(const char *pattern) {
      UnicodeString upattern(pattern, -1, US_INV);
      upattern = upattern.unescape();
      UErrorCode status = U_ZERO_ERROR;
      DecimalFormat *result = new DecimalFormat(
              upattern, new DecimalFormatSymbols("fr", status), status);
      if (U_FAILURE(status)) {
          return NULL;
      }
  
      return result;
  }
  
  static UnicodeString format(double d, const NumberFormat &fmt) {
      UnicodeString result;
      fmt.format(d, result);
      fixNonBreakingSpace(result);
      return result;
  }
  
  class NumberFormatSpecificationTest : public IntlTest {
  public:
      NumberFormatSpecificationTest() {
      }
      void TestBasicPatterns();
      void TestNfSetters();
      void TestRounding();
      void TestSignificantDigits();
      void TestScientificNotation();
      void TestPercent();
      void TestPerMilli();
      void TestPadding();
      void runIndexedTest(int32_t index, UBool exec, const char *&name, char *par=0);
  private:
      void assertPatternFr(
              const char *expected, double x, const char *pattern, UBool possibleDataError=FALSE);
      
  };
  
  void NumberFormatSpecificationTest::runIndexedTest(
          int32_t index, UBool exec, const char *&name, char *) {
      if (exec) {
          logln("TestSuite NumberFormatSpecificationTest: ");
      }
      TESTCASE_AUTO_BEGIN;
      TESTCASE_AUTO(TestBasicPatterns);
      TESTCASE_AUTO(TestNfSetters);
      TESTCASE_AUTO(TestRounding);
      TESTCASE_AUTO(TestSignificantDigits);
      TESTCASE_AUTO(TestScientificNotation);
      TESTCASE_AUTO(TestPercent);
      TESTCASE_AUTO(TestPerMilli);
      TESTCASE_AUTO(TestPadding);
      TESTCASE_AUTO_END;
  }
  
  void NumberFormatSpecificationTest::TestBasicPatterns() {
      assertPatternFr("1 234,57", 1234.567, "#,##0.##", TRUE);
      assertPatternFr("1234,57", 1234.567, "0.##", TRUE);
      assertPatternFr("1235", 1234.567, "0", TRUE);
      assertPatternFr("1 234,567", 1234.567, "#,##0.###", TRUE);
      assertPatternFr("1234,567", 1234.567, "###0.#####", TRUE);
      assertPatternFr("1234,5670", 1234.567, "###0.0000#", TRUE);
      assertPatternFr("01234,5670", 1234.567, "00000.0000", TRUE);
      assertPatternFr("1 234,57 \\u20ac", 1234.567, "#,##0.00 \\u00a4", TRUE);
  }
  
  void NumberFormatSpecificationTest::TestNfSetters() {
      LocalPointer<NumberFormat> nf(nfWithPattern("#,##0.##"));
      if (nf == NULL) {
          dataerrln("Error creating NumberFormat");
          return;
      }
      nf->setMaximumIntegerDigits(5);
      nf->setMinimumIntegerDigits(4);
      assertEquals("", "34 567,89", format(1234567.89, *nf), TRUE);
      assertEquals("", "0 034,56", format(34.56, *nf), TRUE);
  }
  
  void NumberFormatSpecificationTest::TestRounding() {
      assertPatternFr("1,0", 1.25, "0.5", TRUE);
      assertPatternFr("2,0", 1.75, "0.5", TRUE);
      assertPatternFr("-1,0", -1.25, "0.5", TRUE);
      assertPatternFr("-02,0", -1.75, "00.5", TRUE);
      assertPatternFr("0", 2.0, "4", TRUE);
      assertPatternFr("8", 6.0, "4", TRUE);
      assertPatternFr("8", 10.0, "4", TRUE);
      assertPatternFr("99,90", 99.0, "2.70", TRUE);
      assertPatternFr("273,00", 272.0, "2.73", TRUE);
      assertPatternFr("1 03,60", 104.0, "#,#3.70", TRUE);
  }
  
  void NumberFormatSpecificationTest::TestSignificantDigits() {
      assertPatternFr("1230", 1234.0, "@@@", TRUE);
      assertPatternFr("1 234", 1234.0, "@,@@@", TRUE);
      assertPatternFr("1 235 000", 1234567.0, "@,@@@", TRUE);
      assertPatternFr("1 234 567", 1234567.0, "@@@@,@@@", TRUE);
      assertPatternFr("12 34 567,00", 1234567.0, "@@@@,@@,@@@", TRUE);
      assertPatternFr("12 34 567,0", 1234567.0, "@@@@,@@,@@#", TRUE);
      assertPatternFr("12 34 567", 1234567.0, "@@@@,@@,@##", TRUE);
      assertPatternFr("12 34 567", 1234567.001, "@@@@,@@,@##", TRUE);
      assertPatternFr("12 34 567", 1234567.001, "@@@@,@@,###", TRUE);
      assertPatternFr("1 200", 1234.0, "#,#@@", TRUE);
  }
  
  void NumberFormatSpecificationTest::TestScientificNotation() {
      assertPatternFr("1,23E4", 12345.0, "0.00E0", TRUE);
      assertPatternFr("123,00E2", 12300.0, "000.00E0", TRUE);
      assertPatternFr("123,0E2", 12300.0, "000.0#E0", TRUE);
      assertPatternFr("123,0E2", 12300.1, "000.0#E0", TRUE);
      assertPatternFr("123,01E2", 12301.0, "000.0#E0", TRUE);
      assertPatternFr("123,01E+02", 12301.0, "000.0#E+00", TRUE);
      assertPatternFr("12,3E3", 12345.0, "##0.00E0", TRUE);
      assertPatternFr("12,300E3", 12300.1, "##0.0000E0", TRUE);
      assertPatternFr("12,30E3", 12300.1, "##0.000#E0", TRUE);
      assertPatternFr("12,301E3", 12301.0, "##0.000#E0", TRUE);
      if (!logKnownIssue("11020")) {
          assertPatternFr("1,25E4", 12301.2, "0.05E0");
      }
      assertPatternFr("170,0E-3", 0.17, "##0.000#E0", TRUE);
  
  }
  
  void NumberFormatSpecificationTest::TestPercent() {
      assertPatternFr("57,3%", 0.573, "0.0%", TRUE);
      assertPatternFr("%57,3", 0.573, "%0.0", TRUE);
      assertPatternFr("p%p57,3", 0.573, "p%p0.0", TRUE);
      assertPatternFr("p%p0,6", 0.573, "p'%'p0.0", TRUE);
      assertPatternFr("%3,260", 0.0326, "%@@@@", TRUE);
      assertPatternFr("%1 540", 15.43, "%#,@@@", TRUE);
      assertPatternFr("%1 656,4", 16.55, "%#,##4.1", TRUE);
      assertPatternFr("%16,3E3", 162.55, "%##0.00E0", TRUE);
  }
  
  void NumberFormatSpecificationTest::TestPerMilli() {
      assertPatternFr("573,0\\u2030", 0.573, "0.0\\u2030", TRUE);
      assertPatternFr("\\u2030573,0", 0.573, "\\u20300.0", TRUE);
      assertPatternFr("p\\u2030p573,0", 0.573, "p\\u2030p0.0", TRUE);
      assertPatternFr("p\\u2030p0,6", 0.573, "p'\\u2030'p0.0", TRUE);
      assertPatternFr("\\u203032,60", 0.0326, "\\u2030@@@@", TRUE);
      assertPatternFr("\\u203015 400", 15.43, "\\u2030#,@@@", TRUE);
      assertPatternFr("\\u203016 551,7", 16.55, "\\u2030#,##4.1", TRUE);
      assertPatternFr("\\u2030163E3", 162.55, "\\u2030##0.00E0", TRUE);
  }
  
  void NumberFormatSpecificationTest::TestPadding() {
      assertPatternFr("$***1 234", 1234, "$**####,##0", TRUE);
      assertPatternFr("xxx$1 234", 1234, "*x$####,##0", TRUE);
      assertPatternFr("1 234xxx$", 1234, "####,##0*x$", TRUE);
      assertPatternFr("1 234$xxx", 1234, "####,##0$*x", TRUE);
      assertPatternFr("ne1 234nx", -1234, "####,##0$*x;ne#n", TRUE);
      assertPatternFr("n1 234*xx", -1234, "####,##0$*x;n#'*'", TRUE);
      assertPatternFr("yyyy%432,6", 4.33, "*y%4.2######",  TRUE);
      if (!logKnownIssue("11025")) {
          assertPatternFr("EUR *433,00", 433.0, "\\u00a4\\u00a4 **####0.00");
          assertPatternFr("EUR *433,00", 433.0, "\\u00a4\\u00a4 **#######0");
      }
      {
          UnicodeString upattern("\\u00a4\\u00a4 **#######0", -1, US_INV);
          upattern = upattern.unescape();
          UErrorCode status = U_ZERO_ERROR;
          UnicodeString result;
          DecimalFormat fmt(
                  upattern, new DecimalFormatSymbols("fr", status), status);
          if (U_FAILURE(status)) {
              dataerrln("Error creating DecimalFormat - %s", u_errorName(status));
          } else {
              fmt.setCurrency(kJPY);
              fmt.format(433.22, result);
              assertSuccess("", status);
              assertEquals("", "JPY ****433", result, TRUE);
          }
      }
      {
          UnicodeString upattern(
              "\\u00a4\\u00a4 **#######0;\\u00a4\\u00a4 (#)", -1, US_INV);
          upattern = upattern.unescape();
          UErrorCode status = U_ZERO_ERROR;
          UnicodeString result;
          DecimalFormat fmt(
                  upattern,
                  new DecimalFormatSymbols("en_US", status),
                  status);
          if (U_FAILURE(status)) {
              dataerrln("Error creating DecimalFormat - %s", u_errorName(status));
          } else {
              fmt.format(-433.22, result);
              assertSuccess("", status);
              assertEquals("", "USD (433.22)", result, TRUE);
          }
      }
      const char *paddedSciPattern = "QU**00.#####E0";
      assertPatternFr("QU***43,3E-1", 4.33, paddedSciPattern, TRUE);
      {
          UErrorCode status = U_ZERO_ERROR;
          DecimalFormatSymbols *sym = new DecimalFormatSymbols("fr", status);
          sym->setSymbol(DecimalFormatSymbols::kExponentialSymbol, "EE");
          DecimalFormat fmt(
                  paddedSciPattern,
                  sym,
                  status);
          if (U_FAILURE(status)) {
              dataerrln("Error creating DecimalFormat - %s", u_errorName(status));
          } else {
              UnicodeString result;
              fmt.format(4.33, result);
              assertSuccess("", status);
              assertEquals("", "QU**43,3EE-1", result, TRUE);
          }
      }
      // padding cannot work as intended with scientific notation.
      assertPatternFr("QU**43,32E-1", 4.332, paddedSciPattern, TRUE);
  }
  
  void NumberFormatSpecificationTest::assertPatternFr(
          const char *expected,
          double x,
          const char *pattern,
          UBool possibleDataError) {
      UnicodeString upattern(pattern, -1, US_INV);
      UnicodeString uexpected(expected, -1, US_INV);
      upattern = upattern.unescape();
      uexpected = uexpected.unescape();
      UErrorCode status = U_ZERO_ERROR;
      UnicodeString result;
      DecimalFormat fmt(
              upattern, new DecimalFormatSymbols("fr_FR", status), status);
      if (U_FAILURE(status)) {
          dataerrln("Error creating DecimalFormatSymbols - %s", u_errorName(status));
          return;
      }
      fmt.format(x, result);
      fixNonBreakingSpace(result);
      assertSuccess("", status);
      assertEquals("", uexpected, result, possibleDataError);
  }
  
  extern IntlTest *createNumberFormatSpecificationTest() {
      return new NumberFormatSpecificationTest();
  }
  
  #endif
  