1berry/qtbase
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

tst_QLocale: add testing of the extremes for doubleToString

Browse Source 
Change-Id: I5f7f427ded124479baa6fffd1760b1ec36e7e827
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
This commit is contained in:
Thiago Macieira 2023-05-19 17:18:08 -07:00
parent 51c66cee67
commit 07258c38c3
1 changed files with 46 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
tests/auto/corelib/text/qlocale/tst_qlocale.cpp
View File

@ -1125,6 +1125,52 @@ void tst_QLocale::doubleToString_data()
int shortest = QLocale::FloatingPointShortest;
QTest::newRow("C 0 f 0") << QString("C") << QString("0") << 0.0 << 'f' << 0;
QTest::newRow("C 0 f 5") << QString("C") << QString("0.00000") << 0.0 << 'f' << 5;
QTest::newRow("C 0 f -") << QString("C") << QString("0") << 0.0 << 'f' << shortest;
QTest::newRow("C 0 e 0") << QString("C") << QString("0e+00") << 0.0 << 'e' << 0;
QTest::newRow("C 0 e 5") << QString("C") << QString("0.00000e+00") << 0.0 << 'e' << 5;
QTest::newRow("C 0 e -") << QString("C") << QString("0e+00") << 0.0 << 'e' << shortest;
QTest::newRow("C 0 g 0") << QString("C") << QString("0") << 0.0 << 'g' << 0;
QTest::newRow("C 0 g 5") << QString("C") << QString("0") << 0.0 << 'g' << 5;
QTest::newRow("C 0 g -") << QString("C") << QString("0") << 0.0 << 'g' << shortest;
double d = std::numeric_limits<double>::max();
static const char doublemaxfixed[] =
"1797693134862315708145274237317043567980705675258449965989174768031572607800285387605"
"8955863276687817154045895351438246423432132688946418276846754670353751698604991057655"
"1282076245490090389328944075868508455133942304583236903222948165808559332123348274797"
"826204144723168738177180919299881250404026184124858368";
QTest::newRow("C max f 0") << QString("C") << QString(doublemaxfixed) << d << 'f' << 0;
QTest::newRow("C max f 5") << QString("C") << doublemaxfixed + QString(".00000") << d << 'f' << 5;
QTest::newRow("C max e 0") << QString("C") << QString("2e+308") << d << 'e' << 0;
QTest::newRow("C max g 0") << QString("C") << QString("2e+308") << d << 'g' << 0;
QTest::newRow("C max e 5") << QString("C") << QString("1.79769e+308") << d << 'e' << 5;
QTest::newRow("C max g 5") << QString("C") << QString("1.7977e+308") << d << 'g' << 5;
#if QT_CONFIG(doubleconversion)
QTest::newRow("C max e -") << QString("C") << QString("1.7976931348623157e+308") << d << 'e' << shortest;
QTest::newRow("C max g -") << QString("C") << QString("1.7976931348623157e+308") << d << 'g' << shortest;
QTest::newRow("C max f -") << QString("C")
<< QString("%1").arg("17976931348623157", -int(strlen(doublemaxfixed)), u'0')
<< d << 'f' << shortest;
#endif
d = std::numeric_limits<double>::min();
QTest::newRow("C min f 0") << QString("C") << QString("0") << d << 'f' << 0;
QTest::newRow("C min f 5") << QString("C") << QString("0.00000") << d << 'f' << 5;
QTest::newRow("C min e 0") << QString("C") << QString("2e-308") << d << 'e' << 0;
QTest::newRow("C min g 0") << QString("C") << QString("2e-308") << d << 'g' << 0;
QTest::newRow("C min e 5") << QString("C") << QString("2.22507e-308") << d << 'e' << 5;
QTest::newRow("C min g 5") << QString("C") << QString("2.2251e-308") << d << 'g' << 5;
#if QT_CONFIG(doubleconversion)
QTest::newRow("C min e -") << QString("C") << QString("2.2250738585072014e-308") << d << 'e' << shortest;
QTest::newRow("C min f -") << QString("C")
<< QString("0.%1").arg("22250738585072014", 308 - 1 + std::numeric_limits<double>::max_digits10, u'0')
<< d << 'f' << shortest;
QTest::newRow("C min g -") << QString("C") << QString("2.2250738585072014e-308") << d << 'g' << shortest;
#endif
QTest::newRow("C 3.4 f 5") << QString("C") << QString("3.40000") << 3.4 << 'f' << 5;
QTest::newRow("C 3.4 f 0") << QString("C") << QString("3") << 3.4 << 'f' << 0;
QTest::newRow("C 3.4 e 5") << QString("C") << QString("3.40000e+00") << 3.4 << 'e' << 5;