icuSources/test/intltest/numbertest_doubleconversion.cpp

   1 // © 2017 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3
   4 #include "unicode/utypes.h"
   5
   6 #if !UCONFIG_NO_FORMATTING
   7
   8 #include "numbertest.h"
   9 #include "double-conversion.h"
  10
  11 using namespace double_conversion;
  12
  13 void DoubleConversionTest::runIndexedTest(int32_t index, UBool exec, const char *&name, char *) {
  14     if (exec) {
  15         logln("TestSuite DoubleConversionTest: ");
  16     }
  17     TESTCASE_AUTO_BEGIN;
  18         TESTCASE_AUTO(testDoubleConversionApi);
  19     TESTCASE_AUTO_END;
  20 }
  21
  22 void DoubleConversionTest::testDoubleConversionApi() {
  23     double v = 87.65;
  24     char buffer[DoubleToStringConverter::kBase10MaximalLength + 1];
  25     bool sign;
  26     int32_t length;
  27     int32_t point;
  28
  29     DoubleToStringConverter::DoubleToAscii(
  30         v,
  31         DoubleToStringConverter::DtoaMode::SHORTEST,
  32         0,
  33         buffer,
  34         sizeof(buffer),
  35         &sign,
  36         &length,
  37         &point
  38     );
  39
  40     UnicodeString result(buffer, length);
  41     assertEquals("Digits", u"8765", result);
  42     assertEquals("Scale", 2, point);
  43 }
  44
  45 #endif /* #if !UCONFIG_NO_FORMATTING */