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wxWidgets/tests/strings/numformatter.cpp
Vadim Zeitlin 419480cf22 Fix several problems with number formatting in wxNumberFormatter. 
We shouldn't add thousands separators nor remove trailing zeros for the
numbers in scientific format.

Also avoid "-0" as output.

See #15625.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@75560 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2014-01-05 21:10:52 +00:00

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///////////////////////////////////////////////////////////////////////////////
// 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"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "wx/numformatter.h"
#include "wx/intl.h"
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class NumFormatterTestCase : public CppUnit::TestCase
{
public:
NumFormatterTestCase() { m_locale = NULL; }
virtual void setUp()
{
// We need to use a locale with known decimal point and which uses the
// thousands separator for the tests to make sense.
m_locale = new wxLocale(wxLANGUAGE_ENGLISH_UK,
wxLOCALE_DONT_LOAD_DEFAULT);
if ( !m_locale->IsOk() )
tearDown();
}
virtual void tearDown()
{
delete m_locale;
m_locale = NULL;
}
private:
CPPUNIT_TEST_SUITE( NumFormatterTestCase );
CPPUNIT_TEST( LongToString );
#ifdef wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
CPPUNIT_TEST( LongLongToString );
#endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
CPPUNIT_TEST( DoubleToString );
CPPUNIT_TEST( NoTrailingZeroes );
CPPUNIT_TEST( LongFromString );
#ifdef wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
CPPUNIT_TEST( LongLongFromString );
#endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
CPPUNIT_TEST( DoubleFromString );
CPPUNIT_TEST_SUITE_END();
void LongToString();
#ifdef wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
void LongLongToString();
#endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
void DoubleToString();
void NoTrailingZeroes();
void LongFromString();
#ifdef wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
void LongLongFromString();
#endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
void DoubleFromString();
wxLocale *m_locale;
wxDECLARE_NO_COPY_CLASS(NumFormatterTestCase);
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( NumFormatterTestCase );
// also include in its own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( NumFormatterTestCase, "NumFormatterTestCase" );
// ----------------------------------------------------------------------------
// tests themselves
// ----------------------------------------------------------------------------
void NumFormatterTestCase::LongToString()
{
if ( !m_locale )
return;
CPPUNIT_ASSERT_EQUAL( "1", wxNumberFormatter::ToString( 1L));
CPPUNIT_ASSERT_EQUAL( "-1", wxNumberFormatter::ToString( -1L));
CPPUNIT_ASSERT_EQUAL( "12", wxNumberFormatter::ToString( 12L));
CPPUNIT_ASSERT_EQUAL( "-12", wxNumberFormatter::ToString( -12L));
CPPUNIT_ASSERT_EQUAL( "123", wxNumberFormatter::ToString( 123L));
CPPUNIT_ASSERT_EQUAL( "-123", wxNumberFormatter::ToString( -123L));
CPPUNIT_ASSERT_EQUAL( "1,234", wxNumberFormatter::ToString( 1234L));
CPPUNIT_ASSERT_EQUAL( "-1,234", wxNumberFormatter::ToString( -1234L));
CPPUNIT_ASSERT_EQUAL( "12,345", wxNumberFormatter::ToString( 12345L));
CPPUNIT_ASSERT_EQUAL( "-12,345", wxNumberFormatter::ToString( -12345L));
CPPUNIT_ASSERT_EQUAL( "123,456", wxNumberFormatter::ToString( 123456L));
CPPUNIT_ASSERT_EQUAL( "-123,456", wxNumberFormatter::ToString( -123456L));
CPPUNIT_ASSERT_EQUAL( "1,234,567", wxNumberFormatter::ToString( 1234567L));
CPPUNIT_ASSERT_EQUAL( "-1,234,567", wxNumberFormatter::ToString( -1234567L));
CPPUNIT_ASSERT_EQUAL( "12,345,678", wxNumberFormatter::ToString( 12345678L));
CPPUNIT_ASSERT_EQUAL("-12,345,678", wxNumberFormatter::ToString( -12345678L));
CPPUNIT_ASSERT_EQUAL("123,456,789", wxNumberFormatter::ToString( 123456789L));
}
#ifdef wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
void NumFormatterTestCase::LongLongToString()
{
if ( !m_locale )
return;
CPPUNIT_ASSERT_EQUAL( "1", wxNumberFormatter::ToString(wxLL( 1)));
CPPUNIT_ASSERT_EQUAL( "12", wxNumberFormatter::ToString(wxLL( 12)));
CPPUNIT_ASSERT_EQUAL( "123", wxNumberFormatter::ToString(wxLL( 123)));
CPPUNIT_ASSERT_EQUAL( "1,234", wxNumberFormatter::ToString(wxLL( 1234)));
CPPUNIT_ASSERT_EQUAL( "12,345", wxNumberFormatter::ToString(wxLL( 12345)));
CPPUNIT_ASSERT_EQUAL( "123,456", wxNumberFormatter::ToString(wxLL( 123456)));
CPPUNIT_ASSERT_EQUAL( "1,234,567", wxNumberFormatter::ToString(wxLL( 1234567)));
CPPUNIT_ASSERT_EQUAL( "12,345,678", wxNumberFormatter::ToString(wxLL( 12345678)));
CPPUNIT_ASSERT_EQUAL("123,456,789", wxNumberFormatter::ToString(wxLL( 123456789)));
}
#endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
void NumFormatterTestCase::DoubleToString()
{
if ( !m_locale )
return;
CPPUNIT_ASSERT_EQUAL("1.0", wxNumberFormatter::ToString(1., 1));
CPPUNIT_ASSERT_EQUAL("0.123456", wxNumberFormatter::ToString(0.123456, 6));
CPPUNIT_ASSERT_EQUAL("1.234567", wxNumberFormatter::ToString(1.234567, 6));
CPPUNIT_ASSERT_EQUAL("12.34567", wxNumberFormatter::ToString(12.34567, 5));
CPPUNIT_ASSERT_EQUAL("123.4567", wxNumberFormatter::ToString(123.4567, 4));
CPPUNIT_ASSERT_EQUAL("1,234.56", wxNumberFormatter::ToString(1234.56, 2));
CPPUNIT_ASSERT_EQUAL("12,345.6", wxNumberFormatter::ToString(12345.6, 1));
CPPUNIT_ASSERT_EQUAL("12,345.6", wxNumberFormatter::ToString(12345.6, 1));
CPPUNIT_ASSERT_EQUAL("123,456,789.0",
wxNumberFormatter::ToString(123456789., 1));
CPPUNIT_ASSERT_EQUAL("123,456,789.012",
wxNumberFormatter::ToString(123456789.012, 3));
CPPUNIT_ASSERT_EQUAL("12,345",
wxNumberFormatter::ToString(12345.012, -1));
CPPUNIT_ASSERT_EQUAL("-123.1230",
wxNumberFormatter::ToString(-123.123, 4, wxNumberFormatter::Style_None));
CPPUNIT_ASSERT_EQUAL("0.0",
wxNumberFormatter::ToString(0.02, 1, wxNumberFormatter::Style_None));
CPPUNIT_ASSERT_EQUAL("-0.0",
wxNumberFormatter::ToString(-0.02, 1, wxNumberFormatter::Style_None));
}
void NumFormatterTestCase::NoTrailingZeroes()
{
WX_ASSERT_FAILS_WITH_ASSERT
(
wxNumberFormatter::ToString(123L, wxNumberFormatter::Style_NoTrailingZeroes)
);
if ( !m_locale )
return;
CPPUNIT_ASSERT_EQUAL
(
"123.000",
wxNumberFormatter::ToString(123., 3)
);
CPPUNIT_ASSERT_EQUAL
(
"123",
wxNumberFormatter::ToString(123., 3, wxNumberFormatter::Style_NoTrailingZeroes)
);
CPPUNIT_ASSERT_EQUAL
(
"123",
wxNumberFormatter::ToString(123., 9, wxNumberFormatter::Style_NoTrailingZeroes)
);
CPPUNIT_ASSERT_EQUAL
(
"123.456",
wxNumberFormatter::ToString(123.456, 3, wxNumberFormatter::Style_NoTrailingZeroes)
);
CPPUNIT_ASSERT_EQUAL
(
"123.456000000",
wxNumberFormatter::ToString(123.456, 9)
);
CPPUNIT_ASSERT_EQUAL
(
"123.456",
wxNumberFormatter::ToString(123.456, 9, wxNumberFormatter::Style_NoTrailingZeroes)
);
CPPUNIT_ASSERT_EQUAL
(
"123.12",
wxNumberFormatter::ToString(123.123, 2, wxNumberFormatter::Style_NoTrailingZeroes)
);
CPPUNIT_ASSERT_EQUAL
(
"123",
wxNumberFormatter::ToString(123.123, 0, wxNumberFormatter::Style_NoTrailingZeroes)
);
CPPUNIT_ASSERT_EQUAL
(
"0",
wxNumberFormatter::ToString(-0.000123, 3, wxNumberFormatter::Style_NoTrailingZeroes)
);
CPPUNIT_ASSERT_EQUAL
(
"123",
wxNumberFormatter::ToString(123., -1, wxNumberFormatter::Style_NoTrailingZeroes)
);
CPPUNIT_ASSERT_EQUAL
(
"1e-120",
wxNumberFormatter::ToString(1e-120, -1, wxNumberFormatter::Style_NoTrailingZeroes)
);
}
void NumFormatterTestCase::LongFromString()
{
if ( !m_locale )
return;
WX_ASSERT_FAILS_WITH_ASSERT
(
wxNumberFormatter::FromString("123", static_cast<long *>(0))
);
long l;
CPPUNIT_ASSERT( !wxNumberFormatter::FromString("", &l) );
CPPUNIT_ASSERT( !wxNumberFormatter::FromString("foo", &l) );
CPPUNIT_ASSERT( !wxNumberFormatter::FromString("1.234", &l) );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("123", &l) );
CPPUNIT_ASSERT_EQUAL( 123, l );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("1234", &l) );
CPPUNIT_ASSERT_EQUAL( 1234, l );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("1,234", &l) );
CPPUNIT_ASSERT_EQUAL( 1234, l );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("12,345", &l) );
CPPUNIT_ASSERT_EQUAL( 12345, l );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("123,456", &l) );
CPPUNIT_ASSERT_EQUAL( 123456, l );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("1,234,567", &l) );
CPPUNIT_ASSERT_EQUAL( 1234567, l );
}
#ifdef wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
void NumFormatterTestCase::LongLongFromString()
{
if ( !m_locale )
return;
WX_ASSERT_FAILS_WITH_ASSERT
(
wxNumberFormatter::FromString("123", static_cast<wxLongLong_t *>(0))
);
wxLongLong_t l;
CPPUNIT_ASSERT( !wxNumberFormatter::FromString("", &l) );
CPPUNIT_ASSERT( !wxNumberFormatter::FromString("foo", &l) );
CPPUNIT_ASSERT( !wxNumberFormatter::FromString("1.234", &l) );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("123", &l) );
CPPUNIT_ASSERT_EQUAL( 123, l );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("1234", &l) );
CPPUNIT_ASSERT_EQUAL( 1234, l );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("1,234", &l) );
CPPUNIT_ASSERT_EQUAL( 1234, l );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("12,345", &l) );
CPPUNIT_ASSERT_EQUAL( 12345, l );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("123,456", &l) );
CPPUNIT_ASSERT_EQUAL( 123456, l );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("1,234,567", &l) );
CPPUNIT_ASSERT_EQUAL( 1234567, l );
}
#endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
void NumFormatterTestCase::DoubleFromString()
{
if ( !m_locale )
return;
WX_ASSERT_FAILS_WITH_ASSERT
(
wxNumberFormatter::FromString("123", static_cast<double *>(0))
);
double d;
CPPUNIT_ASSERT( !wxNumberFormatter::FromString("", &d) );
CPPUNIT_ASSERT( !wxNumberFormatter::FromString("bar", &d) );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("123", &d) );
CPPUNIT_ASSERT_EQUAL( 123., d );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("123.456789012", &d) );
CPPUNIT_ASSERT_EQUAL( 123.456789012, d );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("1,234.56789012", &d) );
CPPUNIT_ASSERT_EQUAL( 1234.56789012, d );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("12,345.6789012", &d) );
CPPUNIT_ASSERT_EQUAL( 12345.6789012, d );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("123,456.789012", &d) );
CPPUNIT_ASSERT_EQUAL( 123456.789012, d );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("1,234,567.89012", &d) );
CPPUNIT_ASSERT_EQUAL( 1234567.89012, d );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("12,345,678.9012", &d) );
CPPUNIT_ASSERT_EQUAL( 12345678.9012, d );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("123,456,789.012", &d) );
CPPUNIT_ASSERT_EQUAL( 123456789.012, d );
CPPUNIT_ASSERT( wxNumberFormatter::FromString("123456789.012", &d) );
CPPUNIT_ASSERT_EQUAL( 123456789.012, d );
}
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