Files
wxWidgets/tests/strings/numformatter.cpp
Vadim Zeitlin 959d955a80 Make wxNumberFormatter tests more concise and readable
Define a couple of helper functions to avoid over long lines or having
to break them and also align the tests vertically to allow scanning them
more easily.

No real changes.
2021-02-21 17:13:01 +01:00

272 lines
9.5 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: tests/strings/numformat.cpp
// Purpose: wxNumberFormatter unit test
// Author: Vadim Zeitlin
// Created: 2011-01-15
// Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#include "wx/numformatter.h"
#include "wx/intl.h"
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
namespace
{
class NumFormatterTestCase
{
public:
NumFormatterTestCase() :
// We need to use a locale with known decimal point and which uses the
// thousands separator for the tests to make sense.
m_locale(wxLANGUAGE_ENGLISH_UK, wxLOCALE_DONT_LOAD_DEFAULT)
{
}
protected:
bool CanRunTest() const { return m_locale.IsOk(); }
private:
wxLocale m_locale;
wxDECLARE_NO_COPY_CLASS(NumFormatterTestCase);
};
// A couple of helpers to avoid writing over long expressions.
wxString ToStringWithoutTrailingZeroes(double val, int precision)
{
return wxNumberFormatter::ToString
(
val,
precision,
wxNumberFormatter::Style_NoTrailingZeroes
);
}
wxString ToStringWithTrailingZeroes(double val, int precision)
{
return wxNumberFormatter::ToString
(
val,
precision,
wxNumberFormatter::Style_None
);
}
} // anonymous namespace
// ----------------------------------------------------------------------------
// tests themselves
// ----------------------------------------------------------------------------
TEST_CASE_METHOD(NumFormatterTestCase, "NumFormatter::LongToString", "[numformatter]")
{
if ( !CanRunTest() )
return;
CHECK( wxNumberFormatter::ToString( 1L) == "1" );
CHECK( wxNumberFormatter::ToString( -1L) == "-1" );
CHECK( wxNumberFormatter::ToString( 12L) == "12" );
CHECK( wxNumberFormatter::ToString( -12L) == "-12" );
CHECK( wxNumberFormatter::ToString( 123L) == "123" );
CHECK( wxNumberFormatter::ToString( -123L) == "-123" );
CHECK( wxNumberFormatter::ToString( 1234L) == "1,234" );
CHECK( wxNumberFormatter::ToString( -1234L) == "-1,234" );
CHECK( wxNumberFormatter::ToString( 12345L) == "12,345" );
CHECK( wxNumberFormatter::ToString( -12345L) == "-12,345" );
CHECK( wxNumberFormatter::ToString( 123456L) == "123,456" );
CHECK( wxNumberFormatter::ToString( -123456L) == "-123,456" );
CHECK( wxNumberFormatter::ToString( 1234567L) == "1,234,567" );
CHECK( wxNumberFormatter::ToString( -1234567L) == "-1,234,567" );
CHECK( wxNumberFormatter::ToString( 12345678L) == "12,345,678" );
CHECK( wxNumberFormatter::ToString( -12345678L) == "-12,345,678" );
CHECK( wxNumberFormatter::ToString( 123456789L) == "123,456,789" );
}
#ifdef wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
TEST_CASE_METHOD(NumFormatterTestCase, "NumFormatter::LongLongToString", "[numformatter]")
{
if ( !CanRunTest() )
return;
CHECK( wxNumberFormatter::ToString(wxLL( 1)) == "1" );
CHECK( wxNumberFormatter::ToString(wxLL( 12)) == "12" );
CHECK( wxNumberFormatter::ToString(wxLL( 123)) == "123" );
CHECK( wxNumberFormatter::ToString(wxLL( 1234)) == "1,234" );
CHECK( wxNumberFormatter::ToString(wxLL( 12345)) == "12,345" );
CHECK( wxNumberFormatter::ToString(wxLL( 123456)) == "123,456" );
CHECK( wxNumberFormatter::ToString(wxLL( 1234567)) == "1,234,567" );
CHECK( wxNumberFormatter::ToString(wxLL( 12345678)) == "12,345,678" );
CHECK( wxNumberFormatter::ToString(wxLL( 123456789)) == "123,456,789" );
}
#endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
TEST_CASE_METHOD(NumFormatterTestCase, "NumFormatter::DoubleToString", "[numformatter]")
{
if ( !CanRunTest() )
return;
CHECK( wxNumberFormatter::ToString( 1., 1) == "1.0" );
CHECK( wxNumberFormatter::ToString( 0.123456, 6) == "0.123456" );
CHECK( wxNumberFormatter::ToString( 1.234567, 6) == "1.234567" );
CHECK( wxNumberFormatter::ToString( 12.34567, 5) == "12.34567" );
CHECK( wxNumberFormatter::ToString( 123.4567, 4) == "123.4567" );
CHECK( wxNumberFormatter::ToString( 1234.56, 2) == "1,234.56" );
CHECK( wxNumberFormatter::ToString( 12345.6, 1) == "12,345.6" );
CHECK( wxNumberFormatter::ToString(123456789.012, 3) == "123,456,789.012" );
CHECK( wxNumberFormatter::ToString( 12345.012, -1) == "12,345" );
CHECK( ToStringWithTrailingZeroes(-123.123, 4) == "-123.1230" );
CHECK( ToStringWithTrailingZeroes( 0.02, 1) == "0.0" );
CHECK( ToStringWithTrailingZeroes( -0.02, 1) == "-0.0" );
}
TEST_CASE_METHOD(NumFormatterTestCase, "NumFormatter::NoTrailingZeroes", "[numformatter]")
{
WX_ASSERT_FAILS_WITH_ASSERT
(
wxNumberFormatter::ToString(123L, wxNumberFormatter::Style_NoTrailingZeroes)
);
if ( !CanRunTest() )
return;
CHECK( ToStringWithTrailingZeroes ( 123., 3) == "123.000" );
CHECK( ToStringWithoutTrailingZeroes( 123., 3) == "123" );
CHECK( ToStringWithoutTrailingZeroes( 123., 9) == "123" );
CHECK( ToStringWithoutTrailingZeroes( 123.456, 3) == "123.456" );
CHECK( ToStringWithTrailingZeroes ( 123.456, 9) == "123.456000000" );
CHECK( ToStringWithoutTrailingZeroes( 123.456, 9) == "123.456" );
CHECK( ToStringWithoutTrailingZeroes( 123.123, 2) == "123.12" );
CHECK( ToStringWithoutTrailingZeroes( 123.123, 0) == "123" );
CHECK( ToStringWithoutTrailingZeroes( -0.000123, 3) == "0" );
CHECK( ToStringWithoutTrailingZeroes( 123., -1) == "123" );
CHECK( ToStringWithoutTrailingZeroes( 1e-120, -1) == "1e-120" );
}
TEST_CASE_METHOD(NumFormatterTestCase, "NumFormatter::LongFromString", "[numformatter]")
{
if ( !CanRunTest() )
return;
WX_ASSERT_FAILS_WITH_ASSERT
(
wxNumberFormatter::FromString("123", static_cast<long *>(0))
);
long l;
CHECK( !wxNumberFormatter::FromString("", &l) );
CHECK( !wxNumberFormatter::FromString("foo", &l) );
CHECK( !wxNumberFormatter::FromString("1.234", &l) );
CHECK( wxNumberFormatter::FromString("123", &l) );
CHECK( l == 123 );
CHECK( wxNumberFormatter::FromString("1234", &l) );
CHECK( l == 1234 );
CHECK( wxNumberFormatter::FromString("1,234", &l) );
CHECK( l == 1234 );
CHECK( wxNumberFormatter::FromString("12,345", &l) );
CHECK( l == 12345 );
CHECK( wxNumberFormatter::FromString("123,456", &l) );
CHECK( l == 123456 );
CHECK( wxNumberFormatter::FromString("1,234,567", &l) );
CHECK( l == 1234567 );
}
#ifdef wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
TEST_CASE_METHOD(NumFormatterTestCase, "NumFormatter::LongLongFromString", "[numformatter]")
{
if ( !CanRunTest() )
return;
WX_ASSERT_FAILS_WITH_ASSERT
(
wxNumberFormatter::FromString("123", static_cast<wxLongLong_t *>(0))
);
wxLongLong_t l;
CHECK( !wxNumberFormatter::FromString("", &l) );
CHECK( !wxNumberFormatter::FromString("foo", &l) );
CHECK( !wxNumberFormatter::FromString("1.234", &l) );
CHECK( wxNumberFormatter::FromString("123", &l) );
CHECK( l == 123 );
CHECK( wxNumberFormatter::FromString("1234", &l) );
CHECK( l == 1234 );
CHECK( wxNumberFormatter::FromString("1,234", &l) );
CHECK( l == 1234 );
CHECK( wxNumberFormatter::FromString("12,345", &l) );
CHECK( l == 12345 );
CHECK( wxNumberFormatter::FromString("123,456", &l) );
CHECK( l == 123456 );
CHECK( wxNumberFormatter::FromString("1,234,567", &l) );
CHECK( l == 1234567 );
}
#endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
TEST_CASE_METHOD(NumFormatterTestCase, "NumFormatter::DoubleFromString", "[numformatter]")
{
if ( !CanRunTest() )
return;
WX_ASSERT_FAILS_WITH_ASSERT
(
wxNumberFormatter::FromString("123", static_cast<double *>(0))
);
double d;
CHECK( !wxNumberFormatter::FromString("", &d) );
CHECK( !wxNumberFormatter::FromString("bar", &d) );
CHECK( wxNumberFormatter::FromString("123", &d) );
CHECK( d == 123. );
CHECK( wxNumberFormatter::FromString("123.456789012", &d) );
CHECK( d == 123.456789012 );
CHECK( wxNumberFormatter::FromString("1,234.56789012", &d) );
CHECK( d == 1234.56789012 );
CHECK( wxNumberFormatter::FromString("12,345.6789012", &d) );
CHECK( d == 12345.6789012 );
CHECK( wxNumberFormatter::FromString("123,456.789012", &d) );
CHECK( d == 123456.789012 );
CHECK( wxNumberFormatter::FromString("1,234,567.89012", &d) );
CHECK( d == 1234567.89012 );
CHECK( wxNumberFormatter::FromString("12,345,678.9012", &d) );
CHECK( d == 12345678.9012 );
CHECK( wxNumberFormatter::FromString("123,456,789.012", &d) );
CHECK( d == 123456789.012 );
CHECK( wxNumberFormatter::FromString("123456789.012", &d) );
CHECK( d == 123456789.012 );
}