diff options
Diffstat (limited to 'tests/auto/corelib/text/shared/test_number_shared.h')
| -rw-r--r-- | tests/auto/corelib/text/shared/test_number_shared.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/tests/auto/corelib/text/shared/test_number_shared.h b/tests/auto/corelib/text/shared/test_number_shared.h new file mode 100644 index 0000000000..e121144e7c --- /dev/null +++ b/tests/auto/corelib/text/shared/test_number_shared.h @@ -0,0 +1,105 @@ +// Copyright (C) 2021 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only + +#include <limits> +#include <QtCore/qstring.h> +#include <QtCore/qlocale.h> + +struct NumberDoubleTestData +{ + double d; + char f; + int p; + QLatin1String expected; + QLatin1String optTitle = {}; // optional + // Tests with same (f, p, expected) should use optTitle to avoid duplicate data tags. +}; + +template<typename Fun> +inline void add_number_double_shared_data(Fun addTestRowFunction) +{ + constexpr double nan = std::numeric_limits<double>::quiet_NaN(); + constexpr double inf = std::numeric_limits<double>::infinity(); + const static NumberDoubleTestData data[] { + { 0.0, 'f', 0, QLatin1String("0") }, + { 0.0, 'e', 0, QLatin1String("0e+00") }, + { 0.0, 'e', 1, QLatin1String("0.0e+00") }, + { 0.0001, 'f', 0, QLatin1String("0"), QLatin1String("0(.0001)") }, + { 0.1234, 'f', 5, QLatin1String("0.12340") }, + { -0.1234, 'f', 5, QLatin1String("-0.12340") }, + { 0.0000000314, 'f', 12, QLatin1String("0.000000031400") }, + { -0.0000000314, 'f', 12, QLatin1String("-0.000000031400") }, + { -100000, 'f', 15, QLatin1String("-100000.000000000000000") }, + { 0.5 + qSqrt(1.25), 'f', 15, QLatin1String("1.618033988749895") }, + { 0.5 + qSqrt(1.25), 'e', 15, QLatin1String("1.618033988749895e+00") }, + { 1.7976931348623157e+308, 'f', 120, + QLatin1String( + "17976931348623157081452742373170435679807056752584499659891747680315726078002853" + "87605895586327668781715404589535143824642343213268894641827684675467035375169860" + "49910576551282076245490090389328944075868508455133942304583236903222948165808559" + "332123348274797826204144723168738177180919299881250404026184124858368." + "00000000000000000000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000"), + QLatin1String("Big number, high precision") }, + { 1.0, 'f', 350, + QLatin1String( + "1.0000000000000000000000000000000000000000000000000000000000000000000000000" + "00000000000000000000000000000000000000000000000000000000000000000000000000" + "00000000000000000000000000000000000000000000000000000000000000000000000000" + "00000000000000000000000000000000000000000000000000000000000000000000000000" + "0000000000000000000000000000000000000000000000000000000"), + QLatin1String("Very high precision 1") }, + { 1.0e-308, 'f', 350, + QLatin1String("0." + "00000000000000000000000000000000000000000000000000000000000000000000000000" + "00000000000000000000000000000000000000000000000000000000000000000000000000" + "00000000000000000000000000000000000000000000000000000000000000000000000000" + "00000000000000000000000000000000000000000000000000000000000000000000000000" + "000000000000999999999999999909326625337248461995470489"), + QLatin1String("Very small number, very high precision") }, + { std::numeric_limits<double>::epsilon(), 'g', 10, QLatin1String("2.220446049e-16") }, + { 0.0001, 'e', 1, QLatin1String("1.0e-04") }, + { 1e8, 'e', 1, QLatin1String("1.0e+08") }, + { -1e8, 'e', 1, QLatin1String("-1.0e+08") }, + { 1.1e-8, 'e', 6, QLatin1String("1.100000e-08") }, + { -1.1e-8, 'e', 6, QLatin1String("-1.100000e-08") }, + { 1.1e+8, 'e', 6, QLatin1String("1.100000e+08") }, + { -1.1e+8, 'e', 6, QLatin1String("-1.100000e+08") }, + { 100000, 'f', 0, QLatin1String("100000") }, + // Increasingly small fraction, test how/when 'g' switches to scientific notation: + { 0.001, 'g', 6, QLatin1String("0.001") }, + { 0.0001, 'g', 6, QLatin1String("0.0001") }, + { 0.00001, 'g', 6, QLatin1String("1e-05") }, + { 0.000001, 'g', 6, QLatin1String("1e-06") }, + // FloatingPointShortest is relied upon by various facilities: + { 1.0, 'g', QLocale::FloatingPointShortest, QLatin1String("1") }, + { 0.01, 'g', QLocale::FloatingPointShortest, QLatin1String("0.01") }, + { 123.456, 'g', QLocale::FloatingPointShortest, QLatin1String("123.456") }, + { 12.12, 'g', QLocale::FloatingPointShortest, QLatin1String("12.12") }, + { 0.000001, 'g', QLocale::FloatingPointShortest, QLatin1String("1e-06") }, + { 100000, 'g', QLocale::FloatingPointShortest, QLatin1String("1e+05") }, + // inf and nan testing: + { inf, 'g', QLocale::FloatingPointShortest, QLatin1String("inf") }, + { -inf, 'g', QLocale::FloatingPointShortest, QLatin1String("-inf") }, + { nan, 'g', QLocale::FloatingPointShortest, QLatin1String("nan") }, + { inf, 'f', 15, QLatin1String("inf") }, + { -inf, 'f', 15, QLatin1String("-inf") }, + { nan, 'f', 15, QLatin1String("nan") }, + { inf, 'e', 2, QLatin1String("inf") }, + { -inf, 'e', 2, QLatin1String("-inf") }, + { nan, 'e', 2, QLatin1String("nan") }, + // Negative precision (except QLocale::F.P.Shortest) defaults to 6: + { 0.001, 'f', -50, QLatin1String("0.001000") }, + { 0.0001, 'f', -62, QLatin1String("0.000100") }, + { 0.00001, 'f', -11, QLatin1String("0.000010") }, + { 0.000001, 'f', -41, QLatin1String("0.000001") }, + { 0.0000001, 'f', -21, QLatin1String("0.000000") }, + // Some rounding tests + { 10.5, 'f', 0, QLatin1String("11") }, + { 12.05, 'f', 1, QLatin1String("12.1") }, + { 14.500000000000001, 'f', 0, QLatin1String("15") }, + { 16.5000000000000001, 'f', 0, QLatin1String("17") }, + }; + for (auto datum : data) + addTestRowFunction(datum); +} |