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tim |
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#include <iostream> |
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#include <string> |
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#include "io/basic_ifstrstream.hpp" |
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#include "ZipstreamTestCase.hpp" |
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// Registers the fixture into the 'registry' |
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using namespace std; |
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using namespace oopse; |
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CPPUNIT_TEST_SUITE_REGISTRATION( ZipstreamTeseCase ); |
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#include "zipstream.hpp" |
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#include <iostream> |
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#include <string> |
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#include <sstream> |
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#include <fstream> |
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#include <cmath> |
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#include <cstdlib> |
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using namespace std; |
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using namespace zlib_stream; |
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// a dummy class |
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class dummy |
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{ |
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public: |
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dummy(float f_ = 3.14f, int i_= 1) : f(f_), i(i_) |
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{}; |
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void reset(){f=0.0;i=0;}; |
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friend ostream& operator << ( ostream& out, dummy const& d) |
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{ |
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out<<" "<<d.f<<" "<<d.i; |
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return out; |
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} |
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friend istream& operator >> ( istream& in, dummy& d) |
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{ |
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in>>d.f>>d.i; |
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return in; |
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} |
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friend wostream& operator << ( wostream& out, dummy const& d) |
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{ |
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out<<L" "<<d.f<<L" "<<d.i; |
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return out; |
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} |
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friend wistream& operator >> ( wistream& in, dummy& d) |
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{ |
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in>>d.f>>d.i; |
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return in; |
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} |
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protected: |
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float f; |
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int i; |
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}; |
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void ZipstreamTeseCase::test_buffer_to_buffer() |
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{ |
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const size_t n= 1024; |
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char in_buffer[n]={'\0'}; |
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char zip_buffer[n]={'\0'}; |
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for (size_t i=0;i<n-1;++i) |
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in_buffer[i]=static_cast<char>(48+i%48); |
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ostringstream out; |
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zip_ostream zipper(out); |
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zipper.write(in_buffer, n); |
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if (zipper.fail()) |
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cerr<<"failed to write stream"<<endl; |
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zipper.zflush(); |
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istringstream in( out.str() ); |
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zip_istream unzipper(in); |
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unzipper.read(zip_buffer, n); |
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cerr<<"buffers equals: "<<endl |
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<<"-----------------"<<endl |
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<<"\t crc source:"<<crc32(0L,(unsigned char*)in_buffer,n)<<endl |
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<<"\t crc result:"<<crc32(0L,(unsigned char*)zip_buffer,n)<<endl; |
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} |
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void ZipstreamTeseCase::test_wbuffer_to_wbuffer() |
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{ |
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const size_t n= 1024; |
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wchar_t in_buffer[n]={'\0'}; |
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wchar_t zip_buffer[n]={'\0'}; |
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for (size_t i=0;i<n-1;++i) |
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in_buffer[i]=static_cast<wchar_t>(48+i%48); |
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wostringstream out; |
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zip_wostream zipper(out); |
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zipper.write(in_buffer, n); |
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if (zipper.fail()) |
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cerr<<"failed to write stream"<<endl; |
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zipper.zflush(); |
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wistringstream in( out.str() ); |
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zip_wistream unzipper(in); |
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unzipper.read(zip_buffer, n); |
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wcerr<<L"buffers equals: "<<endl |
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<<L"-----------------"<<endl |
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<<L"\t crc source:"<<crc32(0L,(unsigned char*)in_buffer,n*sizeof(wchar_t))<<endl |
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<<L"\t crc result:"<<crc32(0L,(unsigned char*)zip_buffer,n*sizeof(wchar_t))<<endl; |
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} |
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void ZipstreamTeseCase::test_string_string() |
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{ |
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// create some test values |
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char c_r='-',c= 'a'; |
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string s_r="",s = "std::string"; |
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double d_r=0,d = asin( static_cast<double>(1.0) ) *2.0; |
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float f_r=0, f = static_cast<float>(asin( 1.0 ) *2.0); |
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unsigned int ui_r=0,ui = rand(); |
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unsigned long ul_r=0,ul = rand(); |
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unsigned short us_r=0, us = rand(); |
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dummy dum,dum_r(0,0); |
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/*---------------------------------------------------------------------- |
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Testing string to string zipping/unzipping |
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-------------------------------------------------------------------------*/ |
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// creating the target zip string, could be a fstream |
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ostringstream ostringstream_(ios::out ); |
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// creating the zip layer |
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zip_ostream zipper(ostringstream_); |
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// writing data |
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zipper<<f<<" "<<d<<" "<<ui<<" "<<ul<<" "<<us<<" "<<c<<" "<<dum; |
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// zip ostream needs special flushing... |
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zipper.zflush(); |
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// create a stream on zip string |
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istringstream istringstream_( ostringstream_.str(), ios::in); |
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// create unzipper istream |
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zip_istream unzipper( istringstream_); |
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// unzipping |
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unzipper>>f_r>>d_r>>ui_r>>ul_r>>us_r>>c_r>>dum_r; |
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// ouputing results |
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cerr<<"tests string-string, char:"<<endl |
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<<"----------------------------"<<endl |
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<<"double : "<<d<<" "<<d_r<<endl |
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<<"char : "<<c<<" "<<c_r<<endl |
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<<"float : "<<f<<" "<<f_r<<endl |
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<<"unsigned int : "<<ui<<" "<<ui_r<<endl |
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<<"unsigned long : "<<ul<<" "<<ul_r<<endl |
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<<"unsigned short : "<<us<<" "<<us_r<<endl |
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<<"dummy class: "<<dum<<" "<<dum_r<<endl |
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<<endl |
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; |
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} |
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void ZipstreamTeseCase::test_wstring_wstring() |
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{ |
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// create some test values |
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char c_r='-',c= 'a'; |
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double d_r=0,d = asin( 1.0 ) *2.0; |
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float f_r=0, f = static_cast<float>(asin( 1.0 ) *2.0); |
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unsigned int ui_r=0,ui = rand(); |
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unsigned long ul_r=0,ul = rand(); |
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unsigned short us_r=0, us = rand(); |
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dummy dum,dum_r(0,0); |
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/* |
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Testing wide characters |
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*/ |
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f_r=0.0f; |
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d_r=0.0; |
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ui_r=ul_r=us_r=0; |
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dum_r.reset(); |
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// creating the target zip string, could be a fstream |
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wostringstream wostringstream_; |
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// creating the zip layer |
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zip_wostream wzipper(wostringstream_); |
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// writing data |
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wzipper<<f<<L" "<<d<<L" "<<ui<<L" "<<ul<<L" "<<us<<L" "<<dum; |
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// zip ostream needs special flushing... |
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wzipper.zflush(); |
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// create a stream on zip string |
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wistringstream wistringstream_( wostringstream_.str()); |
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// create unzipper istream |
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zip_wistream wunzipper( wistringstream_ ); |
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// unzipping |
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wunzipper>>f_r>>d_r>>ui_r>>ul_r>>us_r>>dum_r; |
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// ouputing results |
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cerr<<"tests string-string (wchar_t):"<<endl |
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<<"------------------------------"<<endl |
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<<"double : "<<d<<" "<<d_r<<endl |
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<<"float : "<<f<<" "<<f_r<<endl |
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<<"unsigned int : "<<ui<<" "<<ui_r<<endl |
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<<"unsigned long : "<<ul<<" "<<ul_r<<endl |
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<<"unsigned short : "<<us<<" "<<us_r<<endl |
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<<"dummy class: "<<dum<<" "<<dum_r<<endl |
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<<endl |
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; |
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} |
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void ZipstreamTeseCase::test_file_file() |
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{ |
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bool add_gzip_header = true; |
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// create some test values |
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char c_r='-',c= 'a'; |
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const char* sz = "const char*"; |
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string s_r="",s = "std::string"; |
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double d_r=0,d = asin( 1.0 ) *2.0; |
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float f_r=0, f = static_cast<float>(asin( 1.0 ) *2.0); |
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unsigned int ui_r=0,ui = rand(); |
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unsigned long ul_r=0,ul = rand(); |
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unsigned short us_r=0, us = rand(); |
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dummy dum,dum_r(0,0); |
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char sbuf[256]={'-'}; |
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long crc_z(0), crc_uz(0); |
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long in_size_z(0), in_size_uz(0), out_size_z(0), out_size_uz(0); |
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/*---------------------------------------------------------------------------- |
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Testing file to file unzipping |
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------------------------------------------------------------------------------*/ |
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f_r=0.0f; |
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d_r=0.0; |
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ui_r=ul_r=us_r=0; dum_r.reset(); |
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{ |
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// creating the target zip string, could be a fstream |
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ofstream ofstream_("test.zip",ios::out | ios::binary ); |
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// creating the zip layer |
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zip_ostream fzipper(ofstream_, add_gzip_header); |
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// writing data |
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fzipper<<f<<" "<<d<<" "<<ui<<" "<<ul<<" "<<us<<" "<<c<<" "<<dum; |
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// zip ostream needs special flushing... |
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fzipper.zflush(); |
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crc_z = fzipper.rdbuf()->get_crc(); |
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in_size_z = fzipper.rdbuf()->get_in_size(); |
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out_size_z = fzipper.rdbuf()->get_out_size(); |
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} |
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// create a stream on zip string |
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ifstream ifstream_; |
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ifstream_.open("test.zip", ios::in | ios::binary); |
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if (!ifstream_.is_open()) |
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{ |
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cerr<<"Could not open file test.zip"<<endl; |
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} |
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// create unzipper istream |
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zip_istream funzipper( ifstream_); |
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// unzipping |
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funzipper>>f_r>>d_r>>ui_r>>ul_r>>us_r>>c_r>>dum_r; |
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funzipper.read_footer(); |
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crc_uz = funzipper.rdbuf()->get_crc(); |
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in_size_uz = funzipper.rdbuf()->get_in_size(); |
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out_size_uz = funzipper.rdbuf()->get_out_size(); |
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// ouputing results |
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cerr<<"tests file-to-file (char, "<<(funzipper.is_gzip() ? "gzip" : "no gzip")<<"):"<<endl |
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<<"------------------------------"<<endl |
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<<"double : "<<d<<" "<<d_r<<endl |
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<<"char : "<<c<<" "<<c_r<<endl |
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<<"float : "<<f<<" "<<f_r<<endl |
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<<"unsigned int : "<<ui<<" "<<ui_r<<endl |
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<<"unsigned long : "<<ul<<" "<<ul_r<<endl |
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<<"unsigned short : "<<us<<" "<<us_r<<endl |
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<<"dummy class: "<<dum<<" "<<dum_r<<endl |
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<<"crc (zipped, unzipped, from file): "<<crc_z<<" "<<crc_uz<<" |
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"<<funzipper.get_gzip_crc()<<endl |
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<<"uncompressed data size: "<<in_size_z<<" "<<out_size_uz<<" |
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"<<funzipper.get_gzip_data_size()<<endl |
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<<"compressed data size: "<<out_size_z<<" "<<in_size_uz<<endl |
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<<"check_crc: "<<( funzipper.check_crc() ? "ok" : "failed")<<endl |
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<<"check_data_size: "<<( funzipper.check_data_size() ? "ok" : "failed")<<endl |
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; |
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} |
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void ZipstreamTeseCase::test_crc() |
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{ |
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int i; |
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{ |
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ofstream outFile("test.gz", ios::out | ios::binary); |
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zip_ostream zipOut(outFile,true); |
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char buff[102400]; |
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for (i = 0; i < 102400; i++) |
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{ |
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buff[i] = (char)48+i%48; |
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} |
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zipOut.write(buff, sizeof(buff)); |
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} |
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ifstream inFile("test.gz", ios::in | ios::binary); |
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zip_istream unzipper(inFile); |
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char c; |
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for (i = 0; i < 102400; i++) |
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{ |
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unzipper >> c; |
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} |
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unzipper.read_footer(); |
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std::cout << "DoMyTest() " |
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<< ", outsize " << unzipper.get_out_size() |
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<< ", insize " << unzipper.get_in_size() |
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<< ", z_err " << unzipper.get_zerr() |
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<< ", crc " << unzipper.get_crc() |
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<< ", gzip data size " << unzipper.get_gzip_data_size() << std::endl; |
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} |
