mirror of
https://github.com/wxWidgets/wxWidgets.git
synced 2026-09-29 10:25:27 +08:00
Vadim Zeitlin
4f4c5fcfdf
This is a combination of running clang-tidy with modernize-use-nullptr check for some ports (GTK, X11, OSX) and manual changes to the ports for which it couldn't be used easily (MSW, DFB) and also manually updating the docs. Also replace NULL with null or nullptr in the comments as this is more consistent with the use of nullptr in the code and makes it simpler to grep for the remaining occurrences of NULL itself. And also use null in the assert messages. Only a few occurrences of "NULL" are still left in non-C files, mostly corresponding to unclear comments or string output which it might not be safe to change.
149 lines
4.0 KiB
C++
149 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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// 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() override;
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virtual wxStringOutputStream *DoCreateOutStream() override;
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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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#if wxUSE_UNICODE
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wxMBConvUTF16 convUTF16;
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wxStringOutputStream ss16(nullptr, 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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#endif // wxUSE_UNICODE
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}
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