335 lines
12 KiB
C++
335 lines
12 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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// Copyright: (c) 2004 Mike Wetherell
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// Licence: wxWindows 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(wxT("%hs"), "test") == wxT("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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// 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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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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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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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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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 char *input, const char *expectedScanf,
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const char *expectedUtf8,
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const char *expectedWcharUnix,
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const char *expectedWcharWindows);
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void check(const wxString& input, const wxString& expectedScanf,
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const wxString& expectedUtf8,
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const wxString& expectedWcharUnix,
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const wxString& expectedWcharWindows);
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};
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void FormatConverterTestCase::format_d()
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{
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doTest("d", "d", "d", "d", "d");
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CPPUNIT_ASSERT(wxString::Format(wxT("%d"), 255) == wxT("255"));
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CPPUNIT_ASSERT(wxString::Format(wxT("%05d"), 255) == wxT("00255"));
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CPPUNIT_ASSERT(wxString::Format(wxT("% 5d"), 255) == wxT(" 255"));
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CPPUNIT_ASSERT(wxString::Format(wxT("% 5d"), -255) == wxT(" -255"));
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CPPUNIT_ASSERT(wxString::Format(wxT("%-5d"), -255) == wxT("-255 "));
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CPPUNIT_ASSERT(wxString::Format(wxT("%+5d"), 255) == wxT(" +255"));
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CPPUNIT_ASSERT(wxString::Format(wxT("%*d"), 5, 255) == wxT(" 255"));
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}
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void FormatConverterTestCase::format_hd()
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{
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doTest("hd", "hd", "hd", "hd", "hd");
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short s = 32767;
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CPPUNIT_ASSERT(wxString::Format(wxT("%hd"), s) == wxT("32767"));
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}
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void FormatConverterTestCase::format_ld()
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{
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doTest("ld", "ld", "ld", "ld", "ld");
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long l = 2147483647L;
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CPPUNIT_ASSERT(wxString::Format(wxT("%ld"), l) == wxT("2147483647"));
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}
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void FormatConverterTestCase::format_s()
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{
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doTest("s", "ls", "s", "ls", "s");
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CPPUNIT_ASSERT(wxString::Format(wxT("%s!"), wxT("test")) == wxT("test!"));
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CPPUNIT_ASSERT(wxString::Format(wxT("%6s!"), wxT("test")) == wxT(" test!"));
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CPPUNIT_ASSERT(wxString::Format(wxT("%-6s!"), wxT("test")) == wxT("test !"));
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CPPUNIT_ASSERT(wxString::Format(wxT("%.6s!"), wxT("test")) == wxT("test!"));
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CPPUNIT_ASSERT(wxString::Format(wxT("%6.4s!"), wxT("testing")) == wxT(" test!"));
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}
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void FormatConverterTestCase::format_hs()
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{
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doTest("hs", "hs", "s", "ls", "s");
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CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%hs!")), "test") == wxT("test!"));
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CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%6hs!")), "test") == wxT(" test!"));
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CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%-6hs!")), "test") == wxT("test !"));
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CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%.6hs!")), "test") == wxT("test!"));
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CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%6.4hs!")), "testing") == wxT(" test!"));
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}
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void FormatConverterTestCase::format_ls()
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{
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doTest("ls", "ls", "s", "ls", "s");
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CPPUNIT_ASSERT(wxString::Format(wxT("%ls!"), L"test") == wxT("test!"));
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CPPUNIT_ASSERT(wxString::Format(wxT("%6ls!"), L"test") == wxT(" test!"));
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CPPUNIT_ASSERT(wxString::Format(wxT("%-6ls!"), L"test") == wxT("test !"));
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CPPUNIT_ASSERT(wxString::Format(wxT("%.6ls!"), L"test") == wxT("test!"));
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CPPUNIT_ASSERT(wxString::Format(wxT("%6.4ls!"), L"testing") == wxT(" test!"));
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}
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void FormatConverterTestCase::format_c()
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{
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doTest("c", "lc", "lc", "lc", "c");
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CPPUNIT_ASSERT(wxString::Format(wxT("%c"), wxT('x')) == wxT("x"));
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CPPUNIT_ASSERT(wxString::Format(wxT("%2c"), wxT('x')) == wxT(" x"));
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CPPUNIT_ASSERT(wxString::Format(wxT("%-2c"), wxT('x')) == wxT("x "));
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}
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void FormatConverterTestCase::format_hc()
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{
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doTest("hc", "hc", "lc", "lc", "c");
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CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%hc")), 'x') == wxT("x"));
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CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%2hc")), 'x') == wxT(" x"));
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CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%-2hc")), 'x') == wxT("x "));
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}
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void FormatConverterTestCase::format_lc()
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{
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doTest("lc", "lc", "lc", "lc", "c");
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CPPUNIT_ASSERT(wxString::Format(wxT("%lc"), L'x') == wxT("x"));
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CPPUNIT_ASSERT(wxString::Format(wxT("%2lc"), L'x') == wxT(" x"));
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CPPUNIT_ASSERT(wxString::Format(wxT("%-2lc"), L'x') == wxT("x "));
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}
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void FormatConverterTestCase::format_S()
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{ doTest("S", "s", "s", "ls", "s"); }
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void FormatConverterTestCase::format_hS()
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{ doTest("hS", "s", "s", "ls", "s"); }
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void FormatConverterTestCase::format_lS()
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{ doTest("lS", "ls", "s", "ls", "s"); }
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void FormatConverterTestCase::format_C()
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{ doTest("C", "c", "lc", "lc", "c"); }
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void FormatConverterTestCase::format_hC()
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{ doTest("hC", "c", "lc", "lc", "c"); }
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void FormatConverterTestCase::format_lC()
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{ doTest("lC", "lc", "lc", "lc", "c"); }
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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 char *input;
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const char *expectedScanf;
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const char *expectedWcharUnix;
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const char *expectedWcharWindows;
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const char *expectedUtf8;
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} formats[] = {
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{ "%d", "%d", "%d", "%d", "%d" },
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{ "%*hd", "%*hd", "%*hd", "%*hd", "%*hd" },
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{ "%.4ld", "%.4ld", "%.4ld", "%.4ld", "%.4ld" },
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{ "%-.*s", "%-.*ls", "%-.*ls", "%-.*s", "%-.*s" },
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{ "%.*hs", "%.*hs", "%.*ls", "%.*s", "%.*s" },
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{ "%-.9ls", "%-.9ls", "%-.9ls", "%-.9s", "%-.9s" },
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{ "%-*c", "%-*lc", "%-*lc", "%-*c", "%-*lc" },
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{ "%3hc", "%3hc", "%3lc", "%3c", "%3lc" },
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{ "%-5lc", "%-5lc", "%-5lc", "%-5c", "%-5lc" }
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};
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size_t i, j;
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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 expectedScanf(formats[i].expectedScanf);
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wxString expectedUtf8(formats[i].expectedUtf8);
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wxString expectedWcharUnix(formats[i].expectedWcharUnix);
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wxString expectedWcharWindows(formats[i].expectedWcharWindows);
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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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expectedScanf + formats[j].expectedScanf,
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expectedUtf8 + formats[j].expectedUtf8,
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expectedWcharUnix + formats[j].expectedWcharUnix,
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expectedWcharWindows + formats[j].expectedWcharWindows);
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}
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}
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}
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void FormatConverterTestCase::doTest(const char *input,
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const char *expectedScanf,
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const char *expectedUtf8,
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const char *expectedWcharUnix,
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const char *expectedWcharWindows)
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{
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static const wxChar *flag_width[] =
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{ wxT(""), wxT("*"), wxT("10"), wxT("-*"), wxT("-10"), NULL };
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static const wxChar *precision[] =
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{ wxT(""), wxT(".*"), wxT(".10"), NULL };
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static const wxChar *empty[] =
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{ wxT(""), NULL };
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// no precision for %c or %C
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const wxChar **precs = wxTolower(input[wxStrlen(input)-1]) == wxT('c') ?
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empty : precision;
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wxString fmt(wxT("%"));
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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 + expectedScanf,
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fmt + *width + *prec + expectedUtf8,
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fmt + *width + *prec + expectedWcharUnix,
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fmt + *width + *prec + expectedWcharWindows);
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}
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void FormatConverterTestCase::check(const wxString& input,
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const wxString& expectedScanf,
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const wxString& expectedUtf8,
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const wxString& expectedWcharUnix,
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const wxString& expectedWcharWindows)
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{
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// all of them are unused in some build configurations
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wxUnusedVar(input);
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wxUnusedVar(expectedScanf);
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wxUnusedVar(expectedUtf8);
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wxUnusedVar(expectedWcharUnix);
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wxUnusedVar(expectedWcharWindows);
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wxString result, msg;
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#ifndef __WINDOWS__
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// on windows, wxScanf() string needs no modifications
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result = wxScanfConvertFormatW(input.wc_str());
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msg = wxT("input: '") + input +
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wxT("', result (scanf): '") + result +
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wxT("', expected: '") + expectedScanf + wxT("'");
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CPPUNIT_ASSERT_MESSAGE(string(msg.mb_str()), result == expectedScanf);
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#endif // !__WINDOWS__
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#if wxUSE_UNICODE_UTF8
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result = (const char*)wxFormatString(input);
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msg = wxT("input: '") + input +
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wxT("', result (UTF-8): '") + result +
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wxT("', expected: '") + expectedUtf8 + wxT("'");
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CPPUNIT_ASSERT_MESSAGE(string(msg.mb_str()), result == expectedUtf8);
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#endif // wxUSE_UNICODE_UTF8
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#if wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
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result = (const wchar_t*)wxFormatString(input);
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#if defined(__WINDOWS__) && \
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!defined(__CYGWIN__) && \
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!defined(__MINGW32__)
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wxString expectedWchar(expectedWcharWindows);
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#else
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wxString expectedWchar(expectedWcharUnix);
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#endif
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msg = wxT("input: '") + input +
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wxT("', result (wchar_t): '") + result +
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wxT("', expected: '") + expectedWchar + wxT("'");
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CPPUNIT_ASSERT_MESSAGE(string(msg.mb_str()), result == expectedWchar);
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#endif // wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
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}
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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 its 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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