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-rw-r--r--libstdc++-v3/testsuite/27_io/streambuf.cc353
1 files changed, 19 insertions, 334 deletions
diff --git a/libstdc++-v3/testsuite/27_io/streambuf.cc b/libstdc++-v3/testsuite/27_io/streambuf.cc
index a560390fdc7..102ff60c260 100644
--- a/libstdc++-v3/testsuite/27_io/streambuf.cc
+++ b/libstdc++-v3/testsuite/27_io/streambuf.cc
@@ -1,6 +1,6 @@
-// 1999-10-11 bkoz
+// 2002-07-25 Benjamin Kosnik <bkoz@redhat.com>
-// Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
+// Copyright (C) 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
@@ -27,351 +27,36 @@
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
-// 27.5.2 template class basic_streambuf
+// 27.5.2 - Template class basic_streambuf
+// NB: This file is for testing basic_streambuf with NO OTHER INCLUDES.
-#include <cstring> // for memset, memcmp
#include <streambuf>
-#include <string>
-#include <ostream>
#include <testsuite_hooks.h>
-class testbuf : public std::streambuf
-{
-public:
-
- // Typedefs:
- typedef std::streambuf::traits_type traits_type;
- typedef std::streambuf::char_type char_type;
-
- testbuf(): std::streambuf()
- { _M_mode = (std::ios_base::in | std::ios_base::out); }
-
- bool
- check_pointers()
- {
- bool test = true;
- VERIFY( this->eback() == NULL );
- VERIFY( this->gptr() == NULL );
- VERIFY( this->egptr() == NULL );
- VERIFY( this->pbase() == NULL );
- VERIFY( this->pptr() == NULL );
- VERIFY( this->epptr() == NULL );
- return test;
- }
-
- int_type
- pub_uflow()
- { return (this->uflow()); }
-
- int_type
- pub_overflow(int_type __c = traits_type::eof())
- { return (this->overflow(__c)); }
-
- int_type
- pub_pbackfail(int_type __c)
- { return (this->pbackfail(__c)); }
-
- void
- pub_setg(char* beg, char* cur, char *end)
- { this->setg(beg, cur, end); }
-
- void
- pub_setp(char* beg, char* end)
- { this->setp(beg, end); }
-
-protected:
- int_type
- underflow()
- {
- int_type __retval = traits_type::eof();
- if (this->gptr() < this->egptr())
- __retval = traits_type::not_eof(0);
- return __retval;
- }
-};
+// { dg-do compile }
+// libstdc++/7216
void test01()
{
- typedef testbuf::traits_type traits_type;
- typedef testbuf::int_type int_type;
-
- bool test = true;
- char* lit01 = "chicago underground trio/possible cube on delmark";
- testbuf buf01;
-
- // 27.5.2.1 basic_streambuf ctors
- // default ctor initializes
- // - all pointer members to null pointers
- // - locale to current global locale
- VERIFY( buf01.check_pointers() );
- VERIFY( buf01.getloc() == std::locale() );
-
- // 27.5.2.3.1 get area
- // 27.5.2.2.3 get area
- // 27.5.2.4.3 get area
- int i01 = 3;
- buf01.pub_setg(lit01, lit01, (lit01 + i01));
- VERIFY( i01 == buf01.in_avail() );
-
- VERIFY( buf01.pub_uflow() == lit01[0] );
- VERIFY( buf01.sgetc() == traits_type::to_int_type(lit01[1]) );
- VERIFY( buf01.pub_uflow() == lit01[1] );
- VERIFY( buf01.sgetc() == traits_type::to_int_type(lit01[2]) );
- VERIFY( buf01.pub_uflow() == lit01[2] );
- VERIFY( buf01.sgetc() == traits_type::eof() );
-
- // pbackfail
- buf01.pub_setg(lit01, lit01, (lit01 + i01));
- VERIFY( i01 == buf01.in_avail() );
- int_type intt01 = traits_type::to_int_type('b');
- VERIFY( traits_type::eof() == buf01.pub_pbackfail(intt01) );
-
- // overflow
- VERIFY( traits_type::eof() == buf01.pub_overflow(intt01) );
- VERIFY( traits_type::eof() == buf01.pub_overflow() );
- VERIFY( buf01.sgetc() == traits_type::to_int_type(lit01[0]) );
-
- // sputn/xsputn
- char* lit02 = "isotope 217: the unstable molecule on thrill jockey";
- int i02 = std::strlen(lit02);
- char carray[i02 + 1];
- std::memset(carray, 0, i02 + 1);
-
- buf01.pub_setp(carray, (carray + i02));
- buf01.sputn(lit02, 0);
- VERIFY( carray[0] == 0 );
- VERIFY( lit02[0] == 'i' );
- buf01.sputn(lit02, 1);
- VERIFY( lit02[0] == carray[0] );
- VERIFY( lit02[1] == 's' );
- VERIFY( carray[1] == 0 );
- buf01.sputn(lit02 + 1, 10);
- VERIFY( std::memcmp(lit02, carray, 10) == 0 );
- buf01.sputn(lit02 + 11, 20);
- VERIFY( std::memcmp(lit02, carray, 30) == 0 );
-
-#ifdef DEBUG_ASSERT
- assert(test);
-#endif
-}
-
-void test02()
-{
- typedef testbuf::traits_type traits_type;
- typedef testbuf::int_type int_type;
-
- bool test = true;
- char* lit01 = "chicago underground trio/possible cube on delmark";
- testbuf buf01;
-
- // 27.5.2.1 basic_streambuf ctors
- // default ctor initializes
- // - all pointer members to null pointers
- // - locale to current global locale
- VERIFY( buf01.check_pointers() );
- VERIFY( buf01.getloc() == std::locale() );
-
- // 27.5.2.2.5 Put area
- size_t i01 = traits_type::length(lit01);
- char carray01[i01];
- std::memset(carray01, 0, i01);
-
- buf01.pub_setg(lit01, lit01, lit01 + i01);
- buf01.sgetn(carray01, 0);
- VERIFY( carray01[0] == 0 );
- buf01.sgetn(carray01, 1);
- VERIFY( carray01[0] == 'c' );
- buf01.sgetn(carray01 + 1, i01 - 1);
- VERIFY( carray01[0] == 'c' );
- VERIFY( carray01[1] == 'h' );
- VERIFY( carray01[i01 - 1] == 'k' );
-
-#ifdef DEBUG_ASSERT
- assert(test);
-#endif
-}
-
-// test03
-// http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00151.html
-template<typename charT, typename traits = std::char_traits<charT> >
- class basic_nullbuf : public std::basic_streambuf<charT, traits>
- {
- protected:
- typedef typename
- std::basic_streambuf<charT, traits>::int_type int_type;
- virtual int_type
- overflow(int_type c)
- { return traits::not_eof(c); }
- };
-
-typedef basic_nullbuf<char> nullbuf;
-typedef basic_nullbuf<wchar_t> wnullbuf;
-
-template<typename T>
- char
- print(const T& x)
- {
- nullbuf ob;
- std::ostream out(&ob);
- out << x << std::endl;
- return (!out ? '0' : '1');
- }
-
-void test03()
-{
- bool test = true;
- const std::string control01("11111");
- std::string test01;
-
- test01 += print(true);
- test01 += print(3.14159);
- test01 += print(10);
- test01 += print('x');
- test01 += print("pipo");
-
- VERIFY( test01 == control01 );
-#ifdef DEBUG_ASSERT
- assert(test);
-#endif
-}
-
-class setpbuf : public std::streambuf
-{
- char buffer[4];
- std::string result;
-
-public:
-
- std::string&
- get_result()
- { return result; }
-
- setpbuf()
- {
- char foo [32];
- setp(foo, foo + 32);
- setp(buffer, buffer + 4);
- }
-
- ~setpbuf()
- { sync(); }
-
- virtual int_type
- overflow(int_type n)
- {
- if (sync() != 0)
- return traits_type::eof();
-
- result += traits_type::to_char_type(n);
-
- return n;
- }
-
- virtual int
- sync()
- {
- result.append(pbase(), pptr());
- setp(buffer, buffer + 4);
- return 0;
- }
-};
-
-// libstdc++/1057
-void test04()
-{
- bool test = true;
- std::string text = "abcdefghijklmn";
-
- // 01
- setpbuf sp1;
- // Here xsputn writes over sp1.result
- sp1.sputn(text.c_str(), text.length());
-
- // This crashes when result is accessed
- sp1.pubsync();
- VERIFY( sp1.get_result() == text );
-
-
- // 02
- setpbuf sp2;
- for (std::string::size_type i = 0; i < text.length(); ++i)
- {
- // sputc also writes over result
- sp2.sputc(text[i]);
- }
-
- // Crash here
- sp2.pubsync();
- VERIFY( sp2.get_result() == text );
+ // Check for required typedefs
+ typedef std::streambuf test_type;
+ typedef test_type::char_type char_type;
+ typedef test_type::traits_type traits_type;
+ typedef test_type::int_type int_type;
+ typedef test_type::pos_type pos_type;
+ typedef test_type::off_type off_type;
}
-class nullsetpbuf : public std::streambuf
-{
- char foo[64];
-public:
- nullsetpbuf()
- {
- setp(foo, foo + 64);
- setp(NULL, NULL);
- }
-};
-
-// libstdc++/1057
-void test05()
+namespace test
{
- std::string text1 = "abcdefghijklmn";
-
- nullsetpbuf nsp;
- // Immediate crash as xsputn writes to null pointer
- nsp.sputn(text1.c_str(), text1.length());
- // ditto
- nsp.sputc('a');
-}
-
-// test06
-// XXX this should work, doesn't due to compiler limitations.
-#if 0
-namespace gnu
-{
- class something_derived;
-}
-
-class gnu::something_derived : std::streambuf { };
-#endif
-
-// libstdc++/3599
-class testbuf2 : public std::streambuf
-{
-public:
- typedef std::streambuf::traits_type traits_type;
-
- testbuf2() : std::streambuf() { }
-
-protected:
- int_type
- overflow(int_type c = traits_type::eof())
- { return traits_type::not_eof(0); }
-};
-
-void
-test07()
-{
- testbuf2 ob;
- std::ostream out(&ob);
-
- VERIFY(out << "gasp");
- VERIFY(out << std::endl);
-}
+ using namespace std;
+ typedef short type_t;
+ template class basic_streambuf<type_t, char_traits<type_t> >;
+ template class basic_streambuf<gnu_char, char_traits<gnu_char> >;
+} // test
int main()
{
test01();
- test02();
- test03();
-
- test04();
- test05();
-
- test07();
return 0;
}
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