+++ /dev/null
-// 981208 bkoz test functionality of basic_stringbuf for char_type == char
-
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
-// Free Software Foundation, Inc.
-//
-// This file is part of the GNU ISO C++ Library. This library is free
-// software; you can redistribute it and/or modify it under the
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 2, or (at your option)
-// any later version.
-
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING. If not, write to the Free
-// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-// USA.
-
-#include <sstream>
-#include <testsuite_hooks.h>
-
-std::string str_01("mykonos. . . or what?");
-std::string str_02("paris, or sainte-maxime?");
-std::string str_03;
-std::stringbuf strb_01(str_01);
-std::stringbuf strb_02(str_02, std::ios_base::in);
-std::stringbuf strb_03(str_03, std::ios_base::out);
-
-
-// test the underlying allocator
-bool test01() {
- bool test = false;
- std::allocator<char> alloc_01;
- std::allocator<char>::size_type size_01 = alloc_01.max_size();
- std::allocator<char>::pointer p_01 = alloc_01.allocate(32);
-
- return true;
-}
-
-
-// test the streambuf/stringbuf locale settings
-bool test02() {
- std::locale loc_tmp;
- loc_tmp = strb_01.getloc();
- strb_01.pubimbue(loc_tmp); //This should initialize _M_init to true
- strb_01.getloc(); //This should just return _M_locale
-
- return true;
-}
-
-
-// test member functions
-bool test03() {
- bool test = true;
-
- //stringbuf::str()
- VERIFY( strb_01.str() == str_01 );
- VERIFY( strb_02.str() == str_02 );
- VERIFY( strb_03.str() == str_03 );
-
- //stringbuf::str(string&)
- strb_03.str("none of the above, go to the oberoi in cairo, egypt.");
- strb_03.str(str_01);
- std::streamsize d1 = strb_01.in_avail();
- std::streamsize d2 = strb_03.in_avail();
- VERIFY( d1 ); // non-zero
- VERIFY( !d2 ); // zero, cuz ios_base::out
- VERIFY( d1 != d2 ); //these should be the same
- VERIFY( str_01.length() == d1 );
- VERIFY( strb_01.str() == strb_03.str() ); //ditto
-
- // stringbuf::str(string&) and stringbuf::stringbuf(string&), where the
- // string in question contains embedded NUL characters. Note that in this
- // embedded-NUL situation, the size must be passed to the string ctor.
- std::string str_nulls ("eschew \0 obfuscation", 20); // tested in 21_strings
- std::stringbuf strb_normal (str_01);
- std::stringbuf strb_nulls (str_nulls);
- strb_normal.str(str_nulls); // tried using 'strb_01' rather than declaring
- // another variable, but then test04 broke!
- VERIFY( strb_nulls.in_avail() == str_nulls.size() );
- VERIFY( strb_nulls.str().size() == 20 );
- VERIFY( strb_normal.in_avail() == str_nulls.size() );
-
-#ifdef DEBUG_ASSERT
- assert(test);
-#endif
-
- return test;
-}
-
-
-// test overloaded virtual functions
-bool test04() {
- bool test = true;
- std::string str_tmp;
- std::stringbuf strb_tmp;
- std::streamsize strmsz_1, strmsz_2;
- std::streamoff strmof_1(-1), strmof_2;
- typedef std::stringbuf::int_type int_type;
- typedef std::stringbuf::traits_type traits_type;
- typedef std::stringbuf::pos_type pos_type;
- typedef std::stringbuf::off_type off_type;
-
- // GET
- // int in_avail()
- strmof_1 = strb_01.in_avail();
- strmof_2 = strb_02.in_avail();
- VERIFY( strmof_1 != strmof_2 );
- VERIFY( strmof_1 == str_01.length() );
- VERIFY( strmof_2 == str_02.length() );
- strmof_1 = strb_03.in_avail();
- VERIFY( strmof_1 == 0 ); // zero cuz write-only, or eof()? zero, from showmany
-
- // int_type sbumpc()
- // if read_cur not avail, return uflow(), else return *read_cur & increment
- int_type c1 = strb_01.sbumpc();
- int_type c2 = strb_02.sbumpc();
- VERIFY( c1 != c2 );
- VERIFY( c1 == str_01[0] );
- VERIFY( c2 == str_02[0] ); //should equal first letter at this point
- int_type c3 = strb_01.sbumpc();
- int_type c4 = strb_02.sbumpc();
- VERIFY( c1 != c2 );
- VERIFY( c1 != c3 );
- VERIFY( c2 != c4 );
- int_type c5 = strb_03.sbumpc();
- VERIFY( c5 == traits_type::eof() );
-
- // int_type sgetc()
- // if read_cur not avail, return uflow(), else return *read_cur
- int_type c6 = strb_01.sgetc();
- int_type c7 = strb_02.sgetc();
- VERIFY( c6 != c3 );
- VERIFY( c7 != c4 );
- int_type c8 = strb_01.sgetc();
- int_type c9 = strb_02.sgetc();
- VERIFY( c6 == c8 );
- VERIFY( c7 == c9 );
- c5 = strb_03.sgetc();
- VERIFY( c5 == traits_type::eof() );
-
- // int_type snextc()
- // calls sbumpc and if sbumpc != eof, return sgetc
- c6 = strb_01.snextc();
- c7 = strb_02.snextc();
- VERIFY( c6 != c8 );
- VERIFY( c7 != c9 );
- VERIFY( c6 == str_01[3] );
- VERIFY( c7 == str_02[3] ); //should equal fourth letter at this point
- c5 = strb_03.snextc();
- VERIFY( c5 == traits_type::eof() );
-
- // int showmanyc
- // streamsize sgetn(char_type *s, streamsize n)
- // streamsize xsgetn(char_type *s, streamsize n)
- // assign up to n chars to s from input sequence, indexing in_cur as
- // approp and returning the number of chars assigned
- strmsz_1 = strb_01.in_avail();
- strmsz_2 = strb_02.in_avail();
- test = strmsz_1 != strmsz_2;
- VERIFY( strmsz_1 != str_01.length() );
- VERIFY( strmsz_2 != str_02.length() ); //because now we've moved into string
- char carray1[11] = "";
- strmsz_1 = strb_01.sgetn(carray1, 10);
- char carray2[20] = "";
- strmsz_2 = strb_02.sgetn(carray2, 10);
- VERIFY( strmsz_1 == strmsz_2 );
- VERIFY( strmsz_1 == 10 );
- c1 = strb_01.sgetc();
- c2 = strb_02.sgetc();
- VERIFY( c6 == c1 ); //just by co-incidence both o's
- VERIFY( c7 != c2 ); // n != i
- VERIFY( c1 == str_01[13] );
- VERIFY( c2 == str_02[13] ); //should equal fourteenth letter at this point
- strmsz_1 = strb_03.sgetn(carray1, 10);
- VERIFY( !strmsz_1 ); //zero
- strmsz_1 = strb_02.in_avail();
- strmsz_2 = strb_02.sgetn(carray2, strmsz_1 + 5);
- VERIFY( strmsz_1 == strmsz_2 ); //write off the end
- c4 = strb_02.sgetc(); // should be EOF
- VERIFY( c4 == traits_type::eof() );
-
- // PUT
- // int_type sputc(char_type c)
- // if out_cur not avail, return overflow. Else, stores c at out_cur,
- // increments out_cur, and returns c as int_type
- strb_03.str(str_01); //reset
- std::string::size_type sz1 = strb_03.str().length();
- c1 = strb_03.sputc('a');
- std::string::size_type sz2 = strb_03.str().length();
- VERIFY( sz1 == sz2 ); //cuz inserting at out_cur, which is at beg to start
- c2 = strb_03.sputc('b');
- VERIFY( c1 != c2 );
- VERIFY( strb_03.str() != str_01 );
- c3 = strb_02.sputc('a'); // should be EOF because this is read-only
- VERIFY( c3 == traits_type::eof() );
-
- // streamsize sputn(const char_typs* s, streamsize n)
- // write up to n chars to out_cur from s, returning number assigned
- // NB *sputn will happily put '\0' into your stream if you give it a chance*
- str_tmp = strb_03.str();
- sz1 = str_tmp.length();
- strmsz_1 = strb_03.sputn("racadabras", 10);//"abracadabras or what?"
- sz2 = strb_03.str().length();
- VERIFY( sz1 == sz2 ); //shouldn't have changed length
- VERIFY( strmsz_1 == 10 );
- VERIFY( str_tmp != strb_03.str() );
- strmsz_2 = strb_03.sputn(", i wanna reach out and", 10);
- VERIFY( strmsz_1 == strmsz_2 ); // should re-allocate, copy 10 chars.
- VERIFY( strmsz_1 == 10 );
- VERIFY( strmsz_2 == 10 );
- sz2 = strb_03.str().length();
- VERIFY( sz1 != sz2 ); // need to change length
- VERIFY( str_tmp != strb_03.str() );
- str_tmp = strb_02.str();
- strmsz_1 = strb_02.sputn("racadabra", 10);
- VERIFY( strmsz_1 == 0 );
- VERIFY( str_tmp == strb_02.str() );
-
- // PUTBACK
- // int_type pbfail(int_type c)
- // called when gptr() null, gptr() == eback(), or traits::eq(*gptr, c) false
- // "pending sequence" is:
- // 1) everything as defined in underflow
- // 2) + if (traits::eq_int_type(c, traits::eof()), then input
- // sequence is backed up one char before the pending sequence is
- // determined.
- // 3) + if (not 2) then c is prepended. Left unspecified is
- // whether the input sequence is backedup or modified in any way
- // returns traits::eof() for failure, unspecified other value for success
-
- // int_type sputbackc(char_type c)
- // if in_cur not avail || ! traits::eq(c, gptr() [-1]), return pbfail
- // otherwise decrements in_cur and returns *gptr()
- strmsz_1 = strb_01.in_avail();
- str_tmp = strb_01.str();
- c1 = strb_01.sgetc(); //"mykonos. . . 'o'r what?"
- c2 = strb_01.sputbackc('z');//"mykonos. . .zor what?"
- c3 = strb_01.sgetc();
- VERIFY( c1 != c2 );
- VERIFY( c3 == c2 );
- VERIFY( strb_01.str() == std::string("mykonos. . .zor what?") );
- VERIFY( str_tmp.size() == strb_01.str().size() );
- //test for _in_cur == _in_beg
- strb_01.str(str_tmp);
- strmsz_1 = strb_01.in_avail();
- c1 = strb_01.sgetc(); //"'m'ykonos. . . or what?"
- c2 = strb_01.sputbackc('z');//"mykonos. . . or what?"
- c3 = strb_01.sgetc();
- VERIFY( c1 != c2 );
- VERIFY( c3 != c2 );
- VERIFY( c1 == c3 );
- VERIFY( c2 == traits_type::eof() );
- VERIFY( strb_01.str() == str_tmp );
- VERIFY( str_tmp.size() == strb_01.str().size() );
- // test for replacing char with identical one
- strb_01.str(str_01); //reset
- strmsz_1 = strb_01.in_avail();
- strb_01.sbumpc();
- strb_01.sbumpc();
- c1 = strb_01.sgetc(); //"my'k'onos. . . or what?"
- c2 = strb_01.sputbackc('y');//"mykonos. . . or what?"
- c3 = strb_01.sgetc();
- VERIFY( c1 != c2 );
- VERIFY( c3 == c2 );
- VERIFY( c1 != c3 );
- VERIFY( strb_01.str() == str_01 );
- VERIFY( str_01.size() == strb_01.str().size() );
- //test for ios_base::out
- strmsz_2 = strb_03.in_avail();
- c4 = strb_03.sputbackc('x');
- VERIFY( c4 == traits_type::eof() );
-
- // int_type sungetc()
- // if in_cur not avail, return pbackfail(), else decrement and
- // return to_int_type(*gptr())
- for (int i = 0; i<12; ++i)
- strb_01.sbumpc();
- strmsz_1 = strb_01.in_avail();
- str_tmp = strb_01.str();
- c1 = strb_01.sgetc(); //"mykonos. . . 'o'r what?"
- c2 = strb_01.sungetc();//"mykonos. . . or what?"
- c3 = strb_01.sgetc();
- VERIFY( c1 != c2 );
- VERIFY( c3 == c2 );
- VERIFY( c1 != c3 );
- VERIFY( c2 == ' ' );
- VERIFY( strb_01.str() == str_01 );
- VERIFY( str_01.size() == strb_01.str().size() );
- //test for _in_cur == _in_beg
- strb_01.str(str_tmp);
- strmsz_1 = strb_01.in_avail();
- c1 = strb_01.sgetc(); //"'m'ykonos. . . or what?"
- c2 = strb_01.sungetc();//"mykonos. . . or what?"
- c3 = strb_01.sgetc();
- VERIFY( c1 != c2 );
- VERIFY( c3 != c2 );
- VERIFY( c1 == c3 );
- VERIFY( c2 == traits_type::eof() );
- VERIFY( strb_01.str() == str_01 );
- VERIFY( str_01.size() == strb_01.str().size() );
- // test for replacing char with identical one
- strb_01.str(str_01); //reset
- strmsz_1 = strb_01.in_avail();
- strb_01.sbumpc();
- strb_01.sbumpc();
- c1 = strb_01.sgetc(); //"my'k'onos. . . or what?"
- c2 = strb_01.sungetc();//"mykonos. . . or what?"
- c3 = strb_01.sgetc();
- VERIFY( c1 != c2 );
- VERIFY( c3 == c2 );
- VERIFY( c1 != c3 );
- VERIFY( strb_01.str() == str_01 );
- VERIFY( str_01.size() == strb_01.str().size() );
- //test for ios_base::out
- strmsz_2 = strb_03.in_avail();
- c4 = strb_03.sungetc();
- VERIFY( c4 == traits_type::eof() );
-
- // BUFFER MANAGEMENT & POSITIONING
- // sync
- // pubsync
- strb_01.pubsync();
- strb_02.pubsync();
- strb_03.pubsync();
-
- // setbuf
- // pubsetbuf(char_type* s, streamsize n)
- str_tmp = std::string("naaaah, go to cebu");
- strb_01.pubsetbuf(const_cast<char*> (str_tmp.c_str()), str_tmp.size());
- VERIFY( strb_01.str() == str_tmp );
- strb_01.pubsetbuf(0,0);
- VERIFY( strb_01.str() == str_tmp );
-
- // seekoff
- // pubseekoff(off_type off, ios_base::seekdir way, ios_base::openmode which)
- // alters the stream position to off
- pos_type pt_1(off_type(-1));
- pos_type pt_2(off_type(0));
- off_type off_1 = 0;
- off_type off_2 = 0;
- strb_01.str(str_01); //in|out ("mykonos. . . or what?");
- strb_02.str(str_02); //in ("paris, or sainte-maxime?");
- strb_03.str(str_03); //out ("")
- //IN|OUT
- //beg
- pt_1 = strb_01.pubseekoff(2, std::ios_base::beg);
- off_1 = pt_1;
- VERIFY( off_1 >= 0 );
- c1 = strb_01.snextc(); //current in pointer +1
- VERIFY( c1 == 'o' );
- c2 = strb_01.sputc('x'); //test current out pointer
- str_tmp = std::string("myxonos. . . or what?");
- VERIFY( strb_01.str() == str_tmp );
- //cur
- pt_1 = strb_01.pubseekoff(2, std::ios_base::cur);
- off_1 = pt_1;
- VERIFY( off_1 == -1 ); // can't seekoff for in and out + cur in sstreams
- pt_1 = strb_01.pubseekoff(2, std::ios_base::cur, std::ios_base::in);
- off_1 = pt_1;
- pt_2 = strb_01.pubseekoff(2, std::ios_base::cur, std::ios_base::in);
- off_2 = pt_2;
- VERIFY( off_2 == off_1 + 2 );
- c1 = strb_01.snextc(); //current in pointer + 1
- VERIFY( c1 == ' ' );
- c2 = strb_01.sputc('x'); //test current out pointer
- str_tmp = std::string("myxxnos. . . or what?");
- VERIFY( strb_01.str() == str_tmp );
- //end
- pt_2 = strb_01.pubseekoff(2, std::ios_base::end);
- off_1 = pt_2;
- VERIFY( off_1 == -1 ); // not a valid position
- VERIFY( strb_01.str() == str_tmp );
- // end part two (from the filebuf tests)
- strb_01.pubseekoff(0, std::ios_base::end);
- strmsz_1 = strb_01.in_avail(); // 0 cuz at the end
- c1 = strb_01.sgetc();
- c2 = strb_01.sungetc();
- strmsz_2 = strb_01.in_avail(); // 1
- c3 = strb_01.sgetc();
- VERIFY( c1 != c2 );
- VERIFY( strmsz_2 != strmsz_1 );
- VERIFY( strmsz_2 == 1 );
- // end part three
- strmsz_1 = strb_01.str().size();
- strmsz_2 = strb_01.sputn(" ravi shankar meets carlos santana in LoHa", 90);
- strb_01.pubseekoff(0, std::ios_base::end);
- strb_01.sputc('<');
- str_tmp = strb_01.str();
- VERIFY( str_tmp.size() == strmsz_1 + strmsz_2 + 1 );
- // IN
- // OUT
-
- // seekpos
- // pubseekpos(pos_type sp, ios_base::openmode)
- // alters the stream position to sp
- strb_01.str(str_01); //in|out ("mykonos. . . or what?");
- strb_02.str(str_02); //in ("paris, or sainte-maxime?");
- strb_03.str(str_03); //out ("")
- //IN|OUT
- //beg
- pt_1 = strb_01.pubseekoff(2, std::ios_base::beg);
- off_1 = pt_1;
- VERIFY( off_1 >= 0 );
- pt_1 = strb_01.pubseekoff(0, std::ios_base::cur, std::ios_base::out);
- off_1 = pt_1;
- c1 = strb_01.snextc(); //current in pointer +1
- VERIFY( c1 == 'o' );
- c2 = strb_01.sputc('x'); //test current out pointer
- str_tmp = std::string("myxonos. . . or what?");
- VERIFY( strb_01.str() == str_tmp );
- strb_01.pubsync(); //resets pointers
- pt_2 = strb_01.pubseekpos(pt_1, std::ios_base::in|std::ios_base::out);
- off_2 = pt_2;
- VERIFY( off_1 == off_2 );
- c3 = strb_01.snextc(); //current in pointer +1
- VERIFY( c1 == c3 );
- c2 = strb_01.sputc('x'); //test current out pointer
- str_tmp = std::string("myxonos. . . or what?");
- VERIFY( strb_01.str() == str_tmp );
-
- // VIRTUALS (indirectly tested)
- // underflow
- // if read position avail, returns *gptr()
-
- // pbackfail(int_type c)
- // put c back into input sequence
-
- // overflow
- // appends c to output seq
-
-#ifdef DEBUG_ASSERT
- assert(test);
-#endif
-
- return test;
-}
-
-
-// libstdc++/3955 -- ios_base::app overwrites from the beginning
-bool test05()
-{
- bool test = true;
-
- std::ostringstream os ("foo");
- os << "bar";
-
- test = os.str() == "bar";
-
-#ifdef DEBUG_ASSERT
- assert(test);
-#endif
-
- return test;
-}
-
-bool test06()
-{
- bool test = true;
-
- std::ostringstream os ("foo", std::ios_base::app);
- os << "bar";
-
- test = os.str() == "foobar";
-
-#ifdef DEBUG_ASSERT
- assert(test);
-#endif
-
- return test;
-}
-
-int main()
-{
- test01();
- test02();
- test03();
- test04();
- test05();
- test06();
-
- return 0;
-}
-
-
-
-// more candy!!!
projects / msp430-gcc.git / blobdiff