309 lines
9.8 KiB
C++
309 lines
9.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/base64/base64.cpp
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// Purpose: wxBase64Encode/Decode unit test
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// Author: Charles Reimers
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// Created: 2007-06-22
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///////////////////////////////////////////////////////////////////////////////
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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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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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif // WX_PRECOMP
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#if wxUSE_BASE64
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#include "wx/base64.h"
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static const char encoded0to255[] =
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"AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIj"
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"JCUmJygpKissLS4vMDEyMzQ1Njc4OTo7PD0+P0BBQkNERUZH"
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"SElKS0xNTk9QUVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWpr"
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"bG1ub3BxcnN0dXZ3eHl6e3x9fn+AgYKDhIWGh4iJiouMjY6P"
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"kJGSk5SVlpeYmZqbnJ2en6ChoqOkpaanqKmqq6ytrq+wsbKz"
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"tLW2t7i5uru8vb6/wMHCw8TFxsfIycrLzM3Oz9DR0tPU1dbX"
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"2Nna29zd3t/g4eLj5OXm5+jp6uvs7e7v8PHy8/T19vf4+fr7"
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"/P3+/w==";
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static void
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generatePatternedData(void* buff, size_t len, unsigned char startVal,
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unsigned char addVal, unsigned char multVal = 1,
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unsigned char xorMask = 0, unsigned char andMask = 255)
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{
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unsigned char *cbuff = (unsigned char *)buff;
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unsigned char curval = startVal;
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while(len--)
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{
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*(cbuff++) = curval;
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curval = (((curval + addVal) * multVal) ^ xorMask) & andMask;
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}
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}
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static void generateRandomData(void* buff, size_t len)
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{
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unsigned char *cbuff = (unsigned char *)buff;
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while(len--)
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{
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*(cbuff++) = (unsigned char)(((rand() * 255) / RAND_MAX));
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}
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}
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static void generateGibberish(void* buff, size_t len)
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{
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static const unsigned char cb64[] =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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unsigned char *cbuff = (unsigned char *)buff;
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while(len--)
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{
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*(cbuff++) = cb64[((rand() * 64) / RAND_MAX)];
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}
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}
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// --------------------------------------------------------------------------
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// test class
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// --------------------------------------------------------------------------
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class Base64TestCase : public CppUnit::TestCase
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{
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public:
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Base64TestCase() { }
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private:
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CPPUNIT_TEST_SUITE( Base64TestCase );
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CPPUNIT_TEST( EncodeDecodeEmpty );
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CPPUNIT_TEST( EncodeDecodeA );
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CPPUNIT_TEST( EncodeDecodeAB );
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CPPUNIT_TEST( EncodeDecodeABC );
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CPPUNIT_TEST( EncodeDecodeABCD );
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CPPUNIT_TEST( EncodeDecode0to255 );
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CPPUNIT_TEST( EncodeDecodePatternA );
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CPPUNIT_TEST( EncodeDecodePatternB );
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CPPUNIT_TEST( EncodeDecodePatternC );
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CPPUNIT_TEST( EncodeDecodeRandom );
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CPPUNIT_TEST( DecodeInvalid );
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CPPUNIT_TEST_SUITE_END();
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void EncodeDecodeEmpty();
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void EncodeDecodeA();
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void EncodeDecodeAB();
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void EncodeDecodeABC();
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void EncodeDecodeABCD();
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void EncodeDecode0to255();
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void EncodeDecodePatternA();
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void EncodeDecodePatternB();
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void EncodeDecodePatternC();
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void EncodeDecodeRandom();
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void DecodeInvalid();
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wxDECLARE_NO_COPY_CLASS(Base64TestCase);
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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( Base64TestCase );
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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( Base64TestCase, "Base64TestCase" );
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void Base64TestCase::EncodeDecodeEmpty()
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{
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char shouldBeEmpty[10];
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shouldBeEmpty[0] = '\0';
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size_t len = 10;
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CPPUNIT_ASSERT(wxBase64Encode(shouldBeEmpty, len, "", 0) != wxCONV_FAILED);
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CPPUNIT_ASSERT_EQUAL('\0', shouldBeEmpty[0]);
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CPPUNIT_ASSERT(wxBase64Decode(shouldBeEmpty, len, "") != wxCONV_FAILED);
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CPPUNIT_ASSERT_EQUAL('\0', shouldBeEmpty[0]);
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wxMemoryBuffer bufmt;
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wxString resultEmpty = wxBase64Encode(bufmt);
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CPPUNIT_ASSERT(resultEmpty.empty());
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bufmt = wxBase64Decode(resultEmpty);
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CPPUNIT_ASSERT_EQUAL(0, bufmt.GetDataLen());
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}
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void Base64TestCase::EncodeDecodeA()
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{
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const wxString str = wxBase64Encode("A", 1);
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CPPUNIT_ASSERT_EQUAL(wxString("QQ=="), str);
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wxMemoryBuffer buf = wxBase64Decode(str);
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CPPUNIT_ASSERT_EQUAL(1, buf.GetDataLen());
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CPPUNIT_ASSERT_EQUAL('A', *(char *)buf.GetData());
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char cbuf[10];
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memset(cbuf, (char)-1, sizeof(cbuf));
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CPPUNIT_ASSERT_EQUAL( 1, wxBase64Decode(cbuf, 1, str) );
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CPPUNIT_ASSERT_EQUAL( 'A', cbuf[0] );
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CPPUNIT_ASSERT_EQUAL( (char)-1, cbuf[1] );
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CPPUNIT_ASSERT_EQUAL( (char)-1, cbuf[2] );
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}
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void Base64TestCase::EncodeDecodeAB()
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{
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const wxString str = wxBase64Encode("AB", 2);
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CPPUNIT_ASSERT_EQUAL(wxString("QUI="), str);
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wxMemoryBuffer buf = wxBase64Decode(str);
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CPPUNIT_ASSERT_EQUAL(2, buf.GetDataLen());
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CPPUNIT_ASSERT_EQUAL('A', buf[0]);
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CPPUNIT_ASSERT_EQUAL('B', buf[1]);
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char cbuf[10];
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memset(cbuf, (char)-1, sizeof(cbuf));
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CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, wxBase64Decode(cbuf, 1, str) );
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CPPUNIT_ASSERT_EQUAL( 2, wxBase64Decode(cbuf, 2, str) );
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CPPUNIT_ASSERT_EQUAL( 'A', cbuf[0] );
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CPPUNIT_ASSERT_EQUAL( 'B', cbuf[1] );
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CPPUNIT_ASSERT_EQUAL( (char)-1, cbuf[2] );
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CPPUNIT_ASSERT_EQUAL( (char)-1, cbuf[3] );
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}
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void Base64TestCase::EncodeDecodeABC()
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{
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const wxString str = wxBase64Encode("ABC", 3);
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CPPUNIT_ASSERT_EQUAL(wxString("QUJD"), str);
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wxMemoryBuffer buf = wxBase64Decode(str);
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CPPUNIT_ASSERT_EQUAL(3, buf.GetDataLen());
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CPPUNIT_ASSERT_EQUAL('A', buf[0]);
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CPPUNIT_ASSERT_EQUAL('B', buf[1]);
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CPPUNIT_ASSERT_EQUAL('C', buf[2]);
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char cbuf[10];
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memset(cbuf, (char)-1, sizeof(cbuf));
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CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, wxBase64Decode(cbuf, 2, str) );
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CPPUNIT_ASSERT_EQUAL( 3, wxBase64Decode(cbuf, 3, str) );
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CPPUNIT_ASSERT_EQUAL( 'A', cbuf[0] );
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CPPUNIT_ASSERT_EQUAL( 'B', cbuf[1] );
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CPPUNIT_ASSERT_EQUAL( 'C', cbuf[2] );
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CPPUNIT_ASSERT_EQUAL( (char)-1, cbuf[3] );
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CPPUNIT_ASSERT_EQUAL( (char)-1, cbuf[4] );
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}
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void Base64TestCase::EncodeDecodeABCD()
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{
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const wxString str = wxBase64Encode("ABCD", 4);
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CPPUNIT_ASSERT_EQUAL(wxString("QUJDRA=="), str);
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wxMemoryBuffer buf = wxBase64Decode(str);
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CPPUNIT_ASSERT_EQUAL(4, buf.GetDataLen());
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CPPUNIT_ASSERT_EQUAL('A', buf[0]);
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CPPUNIT_ASSERT_EQUAL('B', buf[1]);
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CPPUNIT_ASSERT_EQUAL('C', buf[2]);
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CPPUNIT_ASSERT_EQUAL('D', buf[3]);
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char cbuf[10];
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memset(cbuf, (char)-1, sizeof(cbuf));
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CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, wxBase64Decode(cbuf, 3, str) );
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CPPUNIT_ASSERT_EQUAL( 4, wxBase64Decode(cbuf, 4, str) );
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CPPUNIT_ASSERT_EQUAL( 'A', cbuf[0] );
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CPPUNIT_ASSERT_EQUAL( 'B', cbuf[1] );
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CPPUNIT_ASSERT_EQUAL( 'C', cbuf[2] );
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CPPUNIT_ASSERT_EQUAL( 'D', cbuf[3] );
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CPPUNIT_ASSERT_EQUAL( (char)-1, cbuf[4] );
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CPPUNIT_ASSERT_EQUAL( (char)-1, cbuf[5] );
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}
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void Base64TestCase::EncodeDecode0to255()
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{
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unsigned char buff[256];
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generatePatternedData(buff, 256, 0, 1);
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wxString str = wxBase64Encode(buff, 256);
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wxMemoryBuffer mbuff = wxBase64Decode(str);
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CPPUNIT_ASSERT(memcmp(mbuff.GetData(), buff, mbuff.GetDataLen()) == 0);
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mbuff = wxBase64Decode(encoded0to255);
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CPPUNIT_ASSERT(memcmp(mbuff.GetData(), buff, mbuff.GetDataLen()) == 0);
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}
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void Base64TestCase::EncodeDecodePatternA()
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{
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unsigned char buff[350];
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generatePatternedData(buff, 350, 24, 5, 3);
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wxString str = wxBase64Encode(buff, 350);
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wxMemoryBuffer mbuff = wxBase64Decode(str);
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CPPUNIT_ASSERT(memcmp(mbuff.GetData(), buff, mbuff.GetDataLen()) == 0);
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}
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void Base64TestCase::EncodeDecodePatternB()
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{
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unsigned char buff[350];
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generatePatternedData(buff, 350, 0, 1, 1, 0xAA);
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wxString str = wxBase64Encode(buff, 350);
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wxMemoryBuffer mbuff = wxBase64Decode(str);
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CPPUNIT_ASSERT(memcmp(mbuff.GetData(), buff, mbuff.GetDataLen()) == 0);
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}
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void Base64TestCase::EncodeDecodePatternC()
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{
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unsigned char buff[11];
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generatePatternedData(buff, 11, 1, 0, 2);
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wxString str = wxBase64Encode(buff, 11);
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wxMemoryBuffer mbuff = wxBase64Decode(str);
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CPPUNIT_ASSERT(memcmp(mbuff.GetData(), buff, mbuff.GetDataLen()) == 0);
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}
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void Base64TestCase::EncodeDecodeRandom()
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{
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size_t size = rand() * 3000 / RAND_MAX + 11;
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unsigned char *buff = new unsigned char[size];
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generateRandomData(buff, size);
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wxString str = wxBase64Encode(buff, size);
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wxMemoryBuffer mbuff = wxBase64Decode(str);
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CPPUNIT_ASSERT(memcmp(mbuff.GetData(), buff, mbuff.GetDataLen()) == 0);
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generateGibberish(buff, size);
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char *buff2 = new char[size];
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size_t realsize = size;
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CPPUNIT_ASSERT(wxBase64Decode(buff2, realsize, (char *)buff, size));
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CPPUNIT_ASSERT(wxBase64Encode(buff2, size, buff2, realsize));
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delete[] buff2;
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delete[] buff;
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}
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void Base64TestCase::DecodeInvalid()
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{
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size_t rc, posErr;
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rc = wxBase64Decode(NULL, 0, "one two!", wxNO_LEN,
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wxBase64DecodeMode_Strict, &posErr);
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CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, rc);
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CPPUNIT_ASSERT_EQUAL( 3, posErr );
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rc = wxBase64Decode(NULL, 0, "one two!", wxNO_LEN,
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wxBase64DecodeMode_SkipWS, &posErr);
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CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, rc);
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CPPUNIT_ASSERT_EQUAL( 7, posErr );
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rc = wxBase64Decode(NULL, 0, "? QQ==", wxNO_LEN,
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wxBase64DecodeMode_SkipWS, &posErr);
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CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, rc);
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CPPUNIT_ASSERT_EQUAL( 0, posErr );
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posErr = (size_t)-1;
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rc = wxBase64Decode(NULL, 0, " QQ==", wxNO_LEN,
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wxBase64DecodeMode_SkipWS, &posErr);
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CPPUNIT_ASSERT_EQUAL( 1, rc );
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CPPUNIT_ASSERT_EQUAL( -1, posErr );
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rc = wxBase64Decode(NULL, 0, "? QQ==", wxNO_LEN,
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wxBase64DecodeMode_Relaxed, &posErr);
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CPPUNIT_ASSERT_EQUAL( 1, rc );
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CPPUNIT_ASSERT_EQUAL( -1, posErr );
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CPPUNIT_ASSERT( !wxBase64Decode("wxGetApp()").GetDataLen() );
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}
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#endif // wxUSE_BASE64
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