8650108199
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46391 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
305 lines
9.8 KiB
C++
305 lines
9.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/formatconverter/formatconverter.cpp
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// Purpose: Test wxFormatConverter
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// Author: Mike Wetherell
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// RCS-ID: $Id$
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// Copyright: (c) 2004 Mike Wetherell
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// Licence: wxWidgets licence
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///////////////////////////////////////////////////////////////////////////////
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//
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// Notes:
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//
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// The conversions wxFormatConverter currently does are as follows:
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//
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// %s, %lS -> %ls
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// %S, %hS -> %s
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// %c, %lC -> %lc
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// %C, %hC -> %c
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//
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// %hs and %hc stay the same.
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//
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// %S and %C aren't actually in the ISO C or C++ standards, but they can be
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// avoided when writing portable code.
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//
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// Nor are %hs or %hc in the standards, which means wxWidgets currently doesn't
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// have a specifier for 'char' types that is ok for all builds and platforms.
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//
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// The effect of using %hs/%hc is undefined, though RTLs are quite likely
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// to just ignore the 'h', so maybe it works as required even though it's
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// not legal.
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//
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// I've put in some checks, such as this which will flag up any platforms
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// where this is not the case:
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//
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// CPPUNIT_ASSERT(wxString::Format(_T("%hs"), "test") == _T("test"));
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//
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "testprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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// for all others, include the necessary headers
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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// wxFormatConverter can only be tested in a Unicode non-Windows debug build
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//
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#if defined(wxNEED_PRINTF_CONVERSION) && defined(__WXDEBUG__)
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#define CAN_TEST
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extern wxString wxConvertFormat(const wxChar *format);
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#endif
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using CppUnit::TestCase;
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using std::string;
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///////////////////////////////////////////////////////////////////////////////
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// The test case
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//
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// wxFormatConverter only changes %s, %c, %S and %C, all others are treated
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// equally, therefore it is enough to choose just one other for testing, %d
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// will do.
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class FormatConverterTestCase : public TestCase
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{
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CPPUNIT_TEST_SUITE(FormatConverterTestCase);
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CPPUNIT_TEST(format_d);
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CPPUNIT_TEST(format_hd);
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CPPUNIT_TEST(format_ld);
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CPPUNIT_TEST(format_s);
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CPPUNIT_TEST(format_hs);
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CPPUNIT_TEST(format_ls);
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CPPUNIT_TEST(format_c);
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CPPUNIT_TEST(format_hc);
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CPPUNIT_TEST(format_lc);
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#ifdef CAN_TEST
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CPPUNIT_TEST(format_S);
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CPPUNIT_TEST(format_hS);
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CPPUNIT_TEST(format_lS);
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CPPUNIT_TEST(format_C);
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CPPUNIT_TEST(format_hC);
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CPPUNIT_TEST(format_lC);
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CPPUNIT_TEST(testLonger);
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#endif
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CPPUNIT_TEST_SUITE_END();
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void format_d();
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void format_hd();
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void format_ld();
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void format_s();
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void format_hs();
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void format_ls();
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void format_c();
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void format_hc();
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void format_lc();
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#ifdef CAN_TEST
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void format_S();
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void format_hS();
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void format_lS();
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void format_C();
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void format_hC();
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void format_lC();
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void testLonger();
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void doTest(const wxChar *input, const wxChar *expected);
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void check(const wxString& input, const wxString& expected);
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#endif
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};
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void FormatConverterTestCase::format_d()
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{
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#ifdef CAN_TEST
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doTest(_T("d"), _T("d"));
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#endif
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CPPUNIT_ASSERT(wxString::Format(_T("%d"), 255) == _T("255"));
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CPPUNIT_ASSERT(wxString::Format(_T("%05d"), 255) == _T("00255"));
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CPPUNIT_ASSERT(wxString::Format(_T("% 5d"), 255) == _T(" 255"));
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CPPUNIT_ASSERT(wxString::Format(_T("% 5d"), -255) == _T(" -255"));
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CPPUNIT_ASSERT(wxString::Format(_T("%-5d"), -255) == _T("-255 "));
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CPPUNIT_ASSERT(wxString::Format(_T("%+5d"), 255) == _T(" +255"));
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CPPUNIT_ASSERT(wxString::Format(_T("%*d"), 5, 255) == _T(" 255"));
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}
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void FormatConverterTestCase::format_hd()
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{
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#ifdef CAN_TEST
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doTest(_T("hd"), _T("hd"));
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#endif
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short s = 32767;
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CPPUNIT_ASSERT(wxString::Format(_T("%hd"), s) == _T("32767"));
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}
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void FormatConverterTestCase::format_ld()
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{
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#ifdef CAN_TEST
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doTest(_T("ld"), _T("ld"));
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#endif
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long l = 2147483647L;
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CPPUNIT_ASSERT(wxString::Format(_T("%ld"), l) == _T("2147483647"));
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}
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void FormatConverterTestCase::format_s()
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{
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#ifdef CAN_TEST
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doTest(_T("s"), _T("ls"));
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#endif
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CPPUNIT_ASSERT(wxString::Format(_T("%s!"), _T("test")) == _T("test!"));
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CPPUNIT_ASSERT(wxString::Format(_T("%6s!"), _T("test")) == _T(" test!"));
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CPPUNIT_ASSERT(wxString::Format(_T("%-6s!"), _T("test")) == _T("test !"));
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CPPUNIT_ASSERT(wxString::Format(_T("%.6s!"), _T("test")) == _T("test!"));
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CPPUNIT_ASSERT(wxString::Format(_T("%6.4s!"), _T("testing")) == _T(" test!"));
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}
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void FormatConverterTestCase::format_hs()
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{
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#ifdef CAN_TEST
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doTest(_T("hs"), _T("hs"));
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#endif
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CPPUNIT_ASSERT(wxString::Format(wxString(_T("%hs!")), "test") == _T("test!"));
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CPPUNIT_ASSERT(wxString::Format(wxString(_T("%6hs!")), "test") == _T(" test!"));
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CPPUNIT_ASSERT(wxString::Format(wxString(_T("%-6hs!")), "test") == _T("test !"));
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CPPUNIT_ASSERT(wxString::Format(wxString(_T("%.6hs!")), "test") == _T("test!"));
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CPPUNIT_ASSERT(wxString::Format(wxString(_T("%6.4hs!")), "testing") == _T(" test!"));
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}
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void FormatConverterTestCase::format_ls()
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{
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#ifdef CAN_TEST
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doTest(_T("ls"), _T("ls"));
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#endif
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CPPUNIT_ASSERT(wxString::Format(_T("%ls!"), L"test") == _T("test!"));
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CPPUNIT_ASSERT(wxString::Format(_T("%6ls!"), L"test") == _T(" test!"));
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CPPUNIT_ASSERT(wxString::Format(_T("%-6ls!"), L"test") == _T("test !"));
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CPPUNIT_ASSERT(wxString::Format(_T("%.6ls!"), L"test") == _T("test!"));
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CPPUNIT_ASSERT(wxString::Format(_T("%6.4ls!"), L"testing") == _T(" test!"));
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}
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void FormatConverterTestCase::format_c()
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{
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#ifdef CAN_TEST
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doTest(_T("c"), _T("lc"));
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#endif
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CPPUNIT_ASSERT(wxString::Format(_T("%c"), _T('x')) == _T("x"));
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CPPUNIT_ASSERT(wxString::Format(_T("%2c"), _T('x')) == _T(" x"));
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CPPUNIT_ASSERT(wxString::Format(_T("%-2c"), _T('x')) == _T("x "));
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}
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void FormatConverterTestCase::format_hc()
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{
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#ifdef CAN_TEST
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doTest(_T("hc"), _T("hc"));
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#endif
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CPPUNIT_ASSERT(wxString::Format(wxString(_T("%hc")), 'x') == _T("x"));
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CPPUNIT_ASSERT(wxString::Format(wxString(_T("%2hc")), 'x') == _T(" x"));
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CPPUNIT_ASSERT(wxString::Format(wxString(_T("%-2hc")), 'x') == _T("x "));
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}
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void FormatConverterTestCase::format_lc()
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{
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#ifdef CAN_TEST
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doTest(_T("lc"), _T("lc"));
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#endif
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CPPUNIT_ASSERT(wxString::Format(_T("%lc"), L'x') == _T("x"));
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CPPUNIT_ASSERT(wxString::Format(_T("%2lc"), L'x') == _T(" x"));
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CPPUNIT_ASSERT(wxString::Format(_T("%-2lc"), L'x') == _T("x "));
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}
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#ifdef CAN_TEST
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void FormatConverterTestCase::format_S() { doTest(_T("S"), _T("s")); }
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void FormatConverterTestCase::format_hS() { doTest(_T("hS"), _T("s")); }
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void FormatConverterTestCase::format_lS() { doTest(_T("lS"), _T("ls")); }
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void FormatConverterTestCase::format_C() { doTest(_T("C"), _T("c")); }
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void FormatConverterTestCase::format_hC() { doTest(_T("hC"), _T("c")); }
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void FormatConverterTestCase::format_lC() { doTest(_T("lC"), _T("lc")); }
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// It's possible that although a format converts correctly alone, it leaves
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// the converter in a bad state that will affect subsequent formats, so
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// check with a selection of longer patterns.
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//
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void FormatConverterTestCase::testLonger()
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{
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struct {
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const wxChar *input;
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const wxChar *expected;
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} formats[] = {
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{ _T("%d"), _T("%d"), },
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{ _T("%*hd"), _T("%*hd") },
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{ _T("%.4ld"), _T("%.4ld") },
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{ _T("%-.*s"), _T("%-.*ls") },
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{ _T("%.*hs"), _T("%.*hs"), },
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{ _T("%-.9ls"), _T("%-.9ls") },
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{ _T("%-*c"), _T("%-*lc") },
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{ _T("%3hc"), _T("%3hc") },
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{ _T("%-5lc"), _T("%-5lc") }
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};
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size_t i, j;
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// exclude patterns that don't translate correctly alone from the test
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for (i = 0; i < WXSIZEOF(formats); i++)
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if (wxConvertFormat(formats[i].input) != formats[i].expected)
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formats[i].input = NULL;
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// test all possible pairs of the above patterns
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for (i = 0; i < WXSIZEOF(formats); i++) {
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if (formats[i].input) {
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wxString input(formats[i].input);
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wxString expected(formats[i].expected);
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for (j = 0; j < WXSIZEOF(formats); j++)
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if (formats[j].input)
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check(input + formats[j].input,
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expected + formats[j].expected);
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}
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}
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}
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void FormatConverterTestCase::doTest(const wxChar *input,
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const wxChar *expected)
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{
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static const wxChar *flag_width[] =
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{ _T(""), _T("*"), _T("10"), _T("-*"), _T("-10"), NULL };
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static const wxChar *precision[] =
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{ _T(""), _T(".*"), _T(".10"), NULL };
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static const wxChar *empty[] =
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{ _T(""), NULL };
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// no precision for %c or %C
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const wxChar **precs = wxTolower(input[wxStrlen(input)-1]) == _T('c') ?
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empty : precision;
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wxString fmt(_T("%"));
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// try the test for a variety of combinations of flag, width and precision
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for (const wxChar **prec = precs; *prec; prec++)
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for (const wxChar **width = flag_width; *width; width++)
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check(fmt + *width + *prec + input,
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fmt + *width + *prec + expected);
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}
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void FormatConverterTestCase::check(const wxString& input,
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const wxString& expected)
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{
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wxString result = wxConvertFormat(input.wc_str());
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wxString msg = _T("input: '") + input +
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_T("', result: '") + result +
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_T("', expected: '") + expected + _T("'");
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CPPUNIT_ASSERT_MESSAGE(string(msg.mb_str()), result == expected);
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}
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#endif // CAN_TEST
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// register in the unnamed registry so that these tests are run by default
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CPPUNIT_TEST_SUITE_REGISTRATION(FormatConverterTestCase);
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// also include in it's own registry so that these tests can be run alone
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CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(FormatConverterTestCase,
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"FormatConverterTestCase");
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