151 lines
4.0 KiB
C++
151 lines
4.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/streams/sstream.cpp
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// Purpose: Test wxStringInputStream/wxStringOutputStream
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// Author: Vadim Zeitlin
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// Copyright: (c) 2004 Vadim Zeitlin
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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// For compilers that support precompilation, includes "wx/wx.h".
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// and "wx/cppunit.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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#endif
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#include "wx/sstream.h"
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#include "bstream.h"
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///////////////////////////////////////////////////////////////////////////////
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// The test case
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//
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// Try to fully test wxStringInputStream and wxStringOutputStream
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class strStream :
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public BaseStreamTestCase<wxStringInputStream, wxStringOutputStream>
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{
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public:
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strStream();
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virtual ~strStream();
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CPPUNIT_TEST_SUITE(strStream);
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// Base class stream tests the strStream supports.
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CPPUNIT_TEST(Input_GetSize);
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CPPUNIT_TEST(Input_GetC);
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CPPUNIT_TEST(Input_Read);
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CPPUNIT_TEST(Input_Eof);
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CPPUNIT_TEST(Input_LastRead);
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CPPUNIT_TEST(Input_CanRead);
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CPPUNIT_TEST(Input_SeekI);
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CPPUNIT_TEST(Input_TellI);
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CPPUNIT_TEST(Input_Peek);
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CPPUNIT_TEST(Input_Ungetch);
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CPPUNIT_TEST(Output_PutC);
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CPPUNIT_TEST(Output_Write);
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CPPUNIT_TEST(Output_LastWrite);
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// seeking currently not supported by output string stream
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//CPPUNIT_TEST(Output_SeekO);
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//CPPUNIT_TEST(Output_TellO);
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// Other test specific for String stream test case.
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CPPUNIT_TEST(Output_Check);
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CPPUNIT_TEST_SUITE_END();
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protected:
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void Output_Check();
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private:
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// Implement base class functions.
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virtual wxStringInputStream *DoCreateInStream() wxOVERRIDE;
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virtual wxStringOutputStream *DoCreateOutStream() wxOVERRIDE;
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// output the given string to wxStringOutputStream and check that its
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// contents is exactly the same string
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void CheckString(const wxString& text);
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wxString m_str;
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};
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strStream::strStream()
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{
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static const size_t LEN = 256;
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m_str.reserve(LEN);
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for ( size_t n = 0; n < LEN; n++ )
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{
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m_str += wxChar(wxT('A') + n % (wxT('Z') - wxT('A') + 1));
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}
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}
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strStream::~strStream()
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{
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}
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wxStringInputStream *strStream::DoCreateInStream()
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{
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wxStringInputStream *pStrInStream = new wxStringInputStream(m_str);
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CPPUNIT_ASSERT(pStrInStream->IsOk());
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return pStrInStream;
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}
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wxStringOutputStream *strStream::DoCreateOutStream()
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{
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wxStringOutputStream *pStrOutStream = new wxStringOutputStream();
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CPPUNIT_ASSERT(pStrOutStream->IsOk());
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return pStrOutStream;
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}
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void strStream::CheckString(const wxString& text)
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{
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wxStringOutputStream sos;
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const wxCharBuffer buf(text.To8BitData());
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sos.Write(buf, buf.length());
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CPPUNIT_ASSERT_EQUAL( text, sos.GetString() );
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}
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void strStream::Output_Check()
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{
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CheckString("Hello world!");
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CheckString(wxString("hi\0dden", 8));
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}
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// Register the stream sub suite, by using some stream helper macro.
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STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(strStream)
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TEST_CASE("wxStringOutputStream::Tell", "[stream]")
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{
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wxStringOutputStream ss;
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CHECK( ss.TellO() == 0 );
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const char* const s = "Hello world";
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const wxFileOffset len = strlen(s);
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ss.Write(s, len);
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CHECK( ss.TellO() == len );
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wxString str(s);
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CHECK( wxStringOutputStream(&str).TellO() == len );
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wxMBConvUTF16 convUTF16;
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wxStringOutputStream ss16(NULL, convUTF16);
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CHECK( ss16.TellO() == 0 );
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const wxCharBuffer s16 = convUTF16.cWC2MB(wxWCharBuffer(str.wc_str()));
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ss16.Write(s16, s16.length());
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CHECK( ss16.TellO() == 2*len );
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CHECK( wxStringOutputStream(&str, convUTF16).TellO() == 2*len );
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// The U+2070D character is represented by a surrogate pair in UTF-16.
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wxString u2070D = wxString::FromUTF8("\xF0\xA0\x9C\x8D");
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CHECK( wxStringOutputStream(&u2070D, convUTF16).TellO() == 4 );
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}
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