+///////////////////////////////////////////////////////////////////////////////
+// Name: tests/strings/vsnprintf.cpp
+// Purpose: wxVsnprintf unit test
+// Author: Francesco Montorsi
+// (part of this file was taken from CMP.c of TRIO package
+// written by Bjorn Reese and Daniel Stenberg)
+// Created: 2006-04-01
+// RCS-ID: $Id$
+// Copyright: (c) 2006 Francesco Montorsi, Bjorn Reese and Daniel Stenberg
+///////////////////////////////////////////////////////////////////////////////
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "testprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+ #include "wx/wx.h"
+ #include "wx/wxchar.h"
+#endif // WX_PRECOMP
+
+
+// if 1 then instead of the hard-coded expected strings, the obtained results will be
+// compared to the output of the system's vsnprintf() implementation.
+// NOTE: this requires a vsnprintf() implementation which supports positional parameters.
+#define USE_LIBC 0
+
+// this makes it possible to write all tests without repeating a lot of times wxT() macro
+#define CMP(x, y, z) Compare(wxT(x), wxT(y), z)
+
+// ----------------------------------------------------------------------------
+// test class
+// ----------------------------------------------------------------------------
+
+class VsnprintfTestCase : public CppUnit::TestCase
+{
+public:
+ VsnprintfTestCase();
+
+private:
+ CPPUNIT_TEST_SUITE( VsnprintfTestCase );
+ CPPUNIT_TEST( E );
+ CPPUNIT_TEST( F );
+ CPPUNIT_TEST( G );
+ CPPUNIT_TEST( S );
+
+ CPPUNIT_TEST( BigToSmallBuffer );
+ CPPUNIT_TEST_SUITE_END();
+
+ void E();
+ void F();
+ void G();
+ void S();
+
+ void BigToSmallBuffer();
+
+ // some helpers
+ void Misc(wxChar *buffer, int size);
+ void Compare(const wxChar *expected, const wxChar *format, ...) const;
+ void CompareV(wxChar *buf, wxChar *buf2, size_t len, const wxChar *format, va_list argptr) const;
+
+ DECLARE_NO_COPY_CLASS(VsnprintfTestCase)
+};
+
+// register in the unnamed registry so that these tests are run by default
+CPPUNIT_TEST_SUITE_REGISTRATION( VsnprintfTestCase );
+
+// also include in it's own registry so that these tests can be run alone
+CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( VsnprintfTestCase, "VsnprintfTestCase" );
+
+VsnprintfTestCase::VsnprintfTestCase()
+{
+}
+
+void VsnprintfTestCase::CompareV(wxChar *buf, wxChar *buf2, size_t len,
+ const wxChar *format, va_list argptr) const
+{
+#if USE_LIBC
+ va_list argptr2;
+ wxVaCopy(argptr2, argptr);
+#endif
+
+ wxVsnprintf( buf, len, format, argptr );
+ va_end(argptr);
+
+#if USE_LIBC
+ vsnprintf( buf2, len, format, argptr2 ); // use system's implementation
+ va_end(argptr2);
+#else
+ wxUnusedVar(buf2);
+#endif
+}
+
+void VsnprintfTestCase::Compare(const wxChar *expected, const wxChar *format, ...) const
+{
+ static wxChar buf[1024],
+ buf2[1024];
+
+ va_list argptr;
+ va_start( argptr, format );
+ CompareV( buf, buf2, 1024, format, argptr );
+ va_end(argptr);
+
+#if USE_LIBC
+ CPPUNIT_ASSERT_STR_EQUAL( buf, buf2 );
+#else
+ CPPUNIT_ASSERT_STR_EQUAL( buf, expected );
+#endif
+}
+
+void VsnprintfTestCase::E()
+{
+ CMP("2.342000e+02", "%e",2.342E+02);
+ CMP("-2.3420e-02", "%10.4e",-2.342E-02);
+ CMP("-2.3420e-02", "%11.4e",-2.342E-02);
+ CMP(" -2.3420e-02", "%15.4e",-2.342E-02);
+
+ CMP("-0.02342", "%G",-2.342E-02);
+ CMP("3.1415E-06", "%G",3.1415e-6);
+ CMP("00003.141500e+03", "%016e", 3141.5);
+ CMP(" 3.141500e+03", "%16e", 3141.5);
+ CMP("3.141500e+03 ", "%-16e", 3141.5);
+ CMP("03.142e+03", "%010.3e", 3141.5);
+}
+
+void VsnprintfTestCase::F()
+{
+ CMP("3.300000", "%5f", 3.3);
+ CMP("3.000000", "%5f", 3.0);
+ CMP("0.000100", "%5f", .999999E-4);
+ CMP("0.000990", "%5f", .99E-3);
+ CMP("3333.000000", "%5f", 3333.0);
+}
+
+void VsnprintfTestCase::G()
+{
+ CMP(" 3.3", "%5g", 3.3);
+ CMP(" 3", "%5g", 3.0);
+ CMP("9.99999e-05", "%5g", .999999E-4);
+ CMP("0.00099", "%5g", .99E-3);
+ CMP(" 3333", "%5g", 3333.0);
+ CMP(" 0.01", "%5g", 0.01);
+
+ CMP(" 3", "%5.g", 3.3);
+ CMP(" 3", "%5.g", 3.0);
+ CMP("1e-04", "%5.g", .999999E-4);
+ CMP("0.0001", "%5.g", 1.0E-4);
+ CMP("0.001", "%5.g", .99E-3);
+ CMP("3e+03", "%5.g", 3333.0);
+ CMP(" 0.01", "%5.g", 0.01);
+
+ CMP(" 3.3", "%5.2g", 3.3);
+ CMP(" 3", "%5.2g", 3.0);
+ CMP("1e-04", "%5.2g", .999999E-4);
+ CMP("0.00099", "%5.2g", .99E-3);
+ CMP("3.3e+03", "%5.2g", 3333.0);
+ CMP(" 0.01", "%5.2g", 0.01);
+}
+
+void VsnprintfTestCase::S()
+{
+ CMP(" abc", "%5s", wxT("abc"));
+ CMP(" a", "%5s", wxT("a"));
+ CMP("abcdefghi", "%5s", wxT("abcdefghi"));
+ CMP("abc ", "%-5s", wxT("abc"));
+ CMP("abcdefghi", "%-5s", wxT("abcdefghi"));
+
+ CMP("abcde", "%.5s", wxT("abcdefghi"));
+}
+
+void VsnprintfTestCase::Misc(wxChar *buffer, int size)
+{
+ int ret;
+
+ // test without positionals
+ ret = wxSnprintf(buffer, size,
+ wxT("\n\n%s %e %le %i %li - test - %d %i %% -%*.*f-\n\n"), wxT("aa"), 123.123,
+ 123123123123123123123123.123123123123, 456, (long int)33333333, 789, 999, 10, 1, 0.123);
+ if (ret >= 0)
+ {
+ CPPUNIT_ASSERT_STR_EQUAL(
+ wxT("\n\naa 1.231230e+02 1.231231e+23 456 33333333 - test - 789 999 %% - 0.1-\n\n"),
+ buffer);
+ }
+
+ // test woth positional
+ ret = wxSnprintf(buffer, size,
+ wxT("\n\n%8$s %2$e %3$le %4$i %5$li - test - %6$d %7$i %% %1$.4f\n\n"), 0.123123123, 123.123,
+ 123123123123123123123123.123123123123, 456, (long int)33333333, 789, 999, wxT("aa"));
+ if (ret >= 0)
+ {
+ CPPUNIT_ASSERT_STR_EQUAL(
+ wxT("\n\naa 1.231230e+02 1.231231e+23 456 33333333 - test - 789 999 %% 0.1231\n\n"),
+ buffer);
+ }
+
+ // test unicode/ansi conversion specifiers
+ ret = wxSnprintf(buffer, size,
+ wxT("\n\nunicode string: %ls %lc - ansi string: %hs %hc\n\n"), L"unicode!!", L'W', "ansi!!", 'w');
+ if (ret >= 0)
+ {
+ CPPUNIT_ASSERT_STR_EQUAL(
+ wxT("\n\nunicode string: unicode!! W - ansi string: ansi!! w\n\n"),
+ buffer);
+ }
+}
+
+void VsnprintfTestCase::BigToSmallBuffer()
+{
+ wxChar buf[1024], buf2[16], buf3[4], buf4;
+
+ Misc(buf, 1024);
+ Misc(buf2, 16);
+ Misc(buf3, 4);
+ Misc(&buf4, 1);
+}
projects / wxWidgets.git / commitdiff
