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gcc/libstdc++-v3/testsuite/24_iterators/iterator.cc
Brent Verner aa1b2f7d95 debug_assert.h: new file 
2000-08-14  Brent Verner <brent@rcfile.org>

	* testsuite/debug_assert.h: new file
	* testsuite/*/*.cc: s/test\s*&=([^;]+);/VERIFY($1);/g
	changed conditional #include <c?assert.?h?> to
	unconditional #include <debug_assert.h>
	* mkcheck.in: added $SRC_DIR/testsuite to include search path
	for testsuite compile command.

From-SVN: r35682
2000-08-14 19:59:26 +00:00

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// 24.1.5 Random accesss iterators
// 24.3.1 Iterator traits
// (basic_string and vector implementations)
//
// Copyright (C) 1999 Philip Martin
// This program 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 of the License, or
// (at your option) any later version.
//
// This program 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 program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
#include <string>
#include <vector>
#include <debug_assert.h>
int
string_stuff()
{
int failures(0);
std::string s("abcde");
std::string::iterator i1(s.begin());
if (*i1 != 'a')
++failures;
++i1;
if (*i1 != 'b')
++failures;
if (*i1++ != 'b')
++failures;
if (*i1 != 'c')
++failures;
++ ++i1;
if (*i1 != 'e')
++failures;
--i1;
if (*i1 != 'd')
++failures;
if (*i1-- != 'd')
++failures;
if (*i1 != 'c')
++failures;
-- --i1;
if (*i1 != 'a')
++failures;
std::string::iterator i2;
i2 = s.end();
std::iterator_traits<std::string::iterator>::difference_type d1;
d1 = i2 - i1;
if (d1 != 5)
++failures;
std::iterator_traits<std::string::iterator>::value_type v1;
v1 = i1[0];
if (v1 != 'a')
++failures;
std::iterator_traits<std::string::iterator>::reference r1(i1[0]);
if (r1 != 'a')
++failures;
r1 = 'x';
if (r1 != 'x')
++failures;
r1 = 'a';
if ((i1 != i2) != true)
++failures;
if ((i1 == i2) != false)
++failures;
if ((i1 < i2) != true)
++failures;
if ((i1 > i2) != false)
++failures;
if ((i1 <= i2) != true)
++failures;
if ((i1 >= i2) != false)
++failures;
std::string::iterator i3;
i3 = i1;
if ((i3 == i1) != true)
++failures;
i3 += 5;
if ((i3 == i2) != true)
++failures;
i3 -= 5;
if ((i3 == i1) != true)
++failures;
if (i3 + 5 != i2)
++failures;
if (5 + i3 != i2)
++failures;
if (i2 - 5 != i3)
++failures;
if (i1[0] != 'a')
++failures;
i1[4] = 'x';
if (i2[-1] != 'x')
++failures;
i1[4] = 'e';
i1[2] = 'x';
if (i2[-3] != 'x')
++failures;
i1[2] = 'c';
std::string::const_iterator ci1(s.begin());
if (*ci1 != 'a')
++failures;
++ci1;
if (*ci1 != 'b')
++failures;
if (*ci1++ != 'b')
++failures;
if (*ci1 != 'c')
++failures;
++ ++ci1;
if (*ci1 != 'e')
++failures;
--ci1;
if (*ci1 != 'd')
++failures;
if (*ci1-- != 'd')
++failures;
if (*ci1 != 'c')
++failures;
-- --ci1;
if (*ci1 != 'a')
++failures;
std::string::const_iterator ci2;
ci2 = s.end();
std::iterator_traits<std::string::const_iterator>::difference_type d2;
d2 = ci2 - ci1;
if (d2 != 5)
++failures;
std::iterator_traits<std::string::const_iterator>::value_type v2;
v2 = ci1[0];
if (v2 != 'a')
++failures;
std::iterator_traits<std::string::const_iterator>::reference r2(ci1[0]);
if (r2 != 'a')
++failures;
if ((ci1 != ci2) != true)
++failures;
if ((ci1 == ci2) != false)
++failures;
if ((ci1 < ci2) != true)
++failures;
if ((ci1 > ci2) != false)
++failures;
if ((ci1 <= ci2) != true)
++failures;
if ((ci1 >= ci2) != false)
++failures;
std::string::const_iterator ci3;
ci3 = ci1;
if ((ci3 == ci1) != true)
++failures;
ci3 += 5;
if ((ci3 == ci2) != true)
++failures;
ci3 -= 5;
if ((ci3 == ci1) != true)
++failures;
if (ci3 + 5 != ci2)
++failures;
if (5 + ci3 != ci2)
++failures;
if (ci2 - 5 != ci3)
++failures;
if (ci1[2] != 'c')
++failures;
if (ci2[-1] != 'e')
++failures;
// iterator and const_iterator
std::string::const_iterator ci4(i1);
if ((ci4 == i1) != true)
++failures;
if ((ci4 != i1) != false)
++failures;
if ((ci4 < i1) != false)
++failures;
if ((ci4 > i1) != false)
++failures;
if ((ci4 <= i1) != true)
++failures;
if ((ci4 >= i1) != true)
++failures;
ci4 = i2;
if ((i2 == ci4) != true)
++failures;
if ((i2 < ci4) != false)
++failures;
if ((i2 > ci4) != false)
++failures;
if ((i2 <= ci4) != true)
++failures;
if ((i2 >= ci4) != true)
++failures;
const std::string cs("ABCDE");
std::string::const_iterator ci5(cs.begin());
if (ci5[0] != 'A')
++failures;
return failures;
}
int
vector_stuff()
{
int failures(0);
std::vector<int> v;
v.push_back(int(1));
v.push_back(int(2));
v.push_back(int(3));
v.push_back(int(4));
v.push_back(int(5));
std::vector<int>::iterator i1(v.begin());
if (*i1 != 1)
++failures;
++i1;
if (*i1 != 2)
++failures;
if (*i1++ != 2)
++failures;
if (*i1 != 3)
++failures;
++ ++i1;
if (*i1 != 5)
++failures;
--i1;
if (*i1 != 4)
++failures;
if (*i1-- != 4)
++failures;
if (*i1 != 3)
++failures;
-- --i1;
if (*i1 != 1)
++failures;
std::vector<int>::iterator i2;
i2 = v.end();
std::iterator_traits<std::vector<int>::iterator>::difference_type d1;
d1 = i2 - i1;
if (d1 != 5)
++failures;
std::iterator_traits<std::vector<int>::iterator>::value_type v1;
v1 = i1[0];
if (v1 != 1)
++failures;
std::iterator_traits<std::vector<int>::iterator>::reference r1(i1[0]);
if (r1 != 1)
++failures;
r1 = 9;
if (r1 != 9)
++failures;
r1 = 1;
if ((i1 != i2) != true)
++failures;
if ((i1 == i2) != false)
++failures;
if ((i1 < i2) != true)
++failures;
if ((i1 > i2) != false)
++failures;
if ((i1 <= i2) != true)
++failures;
if ((i1 >= i2) != false)
++failures;
std::vector<int>::iterator i3;
i3 = i1;
if ((i3 == i1) != true)
++failures;
i3 += 5;
if ((i3 == i2) != true)
++failures;
i3 -= 5;
if ((i3 == i1) != true)
++failures;
if (i3 + 5 != i2)
++failures;
if (5 + i3 != i2)
++failures;
if (i2 - 5 != i3)
++failures;
if (i1[0] != 1)
++failures;
i1[4] = 9;
if (i2[-1] != 9)
++failures;
i1[4] = 5;
i1[2] = 9;
if (i2[-3] != 9)
++failures;
i1[2] = 3;
std::vector<int>::const_iterator ci1(v.begin());
if (*ci1 != 1)
++failures;
++ci1;
if (*ci1 != 2)
++failures;
if (*ci1++ != 2)
++failures;
if (*ci1 != 3)
++failures;
++ ++ci1;
if (*ci1 != 5)
++failures;
--ci1;
if (*ci1 != 4)
++failures;
if (*ci1-- != 4)
++failures;
if (*ci1 != 3)
++failures;
-- --ci1;
if (*ci1 != 1)
++failures;
std::vector<int>::const_iterator ci2;
ci2 = v.end();
std::iterator_traits<std::vector<int>::const_iterator>::difference_type d2;
d2 = ci2 - ci1;
if (d2 != 5)
++failures;
std::iterator_traits<std::vector<int>::const_iterator>::value_type v2;
v2 = ci1[0];
if (v2 != 1)
++failures;
std::iterator_traits<std::vector<int>::const_iterator>::reference
r2(ci1[0]);
if (r2 != 1)
++failures;
if ((ci1 != ci2) != true)
++failures;
if ((ci1 == ci2) != false)
++failures;
if ((ci1 < ci2) != true)
++failures;
if ((ci1 > ci2) != false)
++failures;
if ((ci1 <= ci2) != true)
++failures;
if ((ci1 >= ci2) != false)
++failures;
std::vector<int>::const_iterator ci3;
ci3 = ci1;
if ((ci3 == ci1) != true)
++failures;
ci3 += 5;
if ((ci3 == ci2) != true)
++failures;
ci3 -= 5;
if ((ci3 == ci1) != true)
++failures;
if (ci3 + 5 != ci2)
++failures;
if (5 + ci3 != ci2)
++failures;
if (ci2 - 5 != ci3)
++failures;
if (ci1[2] != 3)
++failures;
if (ci2[-1] != 5)
++failures;
// iterator to const_iterator
std::vector<int>::const_iterator ci4(i1);
if ((ci4 == i1) != true)
++failures;
if ((ci4 != i1) != false)
++failures;
if ((ci4 < i1) != false)
++failures;
if ((ci4 > i1) != false)
++failures;
if ((ci4 <= i1) != true)
++failures;
if ((ci4 >= i1) != true)
++failures;
ci4 = i2;
if ((i2 == ci4) != true)
++failures;
if ((i2 < ci4) != false)
++failures;
if ((i2 > ci4) != false)
++failures;
if ((i2 <= ci4) != true)
++failures;
if ((i2 >= ci4) != true)
++failures;
const std::vector<int> cv(v);
std::vector<int>::const_iterator ci5(cv.begin());
if (ci5[0] != 1)
++failures;
std::vector<std::string> vs;
vs.push_back(std::string("abc"));
std::vector<std::string>::iterator ivs(vs.begin());
if (ivs->c_str()[1] != 'b')
++failures;
return failures;
}
int
reverse_stuff()
{
int failures(0);
std::string s("abcde");
std::string::reverse_iterator ri(s.rbegin());
if (*ri != 'e')
++failures;
std::iterator_traits<std::string::reverse_iterator>::difference_type d;
d = s.rend() - ri;
if (d != 5)
++failures;
const std::string cs("abcde");
std::string::const_reverse_iterator cri(cs.rend());
if (cri - 5 != cs.rbegin())
++failures;
return failures;
}
// the following should be compiler errors
// flag runtime errors in case they slip through the compiler
int
wrong_stuff()
{
int failures(0);
#ifdef ITER24_F1
extern void f(std::vector<std::string*>::iterator);
std::vector<std::string*> vs[2];
f(vs); // address of array is not an iterator
failures++;
#endif
#ifdef ITER24_F2
std::string s;
char *i = s.begin(); // begin() doesn't return a pointer
failures++;
#endif
#ifdef ITER24_F3
std::string::const_iterator ci;
std::string::iterator i;
if (i - ci) // remove const_ is a warning
i++;
// failures++; only a warning
#endif
#ifdef ITER24_F4
std::vector<char>::iterator iv;
std::string::iterator is(iv);// vector<char> is not string
failures++;
#endif
#ifdef ITER24_F5
std::vector<char>::iterator iv;
std::string::iterator is;
if (iv == is) // vector<char> is not string
++iv;
failures++;
#endif
#ifdef ITER24_F6
std::vector<char>::const_iterator ci;
std::vector<char>::iterator i = ci; // remove const_ is a warning
++i;
// failures++; only a warning
#endif
#ifdef ITER24_F7
std::vector<int> v(1);
std::vector<int>::const_iterator ci(v.begin());
*ci = 1; // cannot assign through const_iterator
failures++;
#endif
#ifdef ITER24_F8
std::vector<const int> v(1);
std::vector<const int>::reference r(v.begin()[0]);
r = 1; // cannot assign through reference to const
failures++;
#endif
return failures;
}
int
main(int argc, char **argv)
{
int failures(0);
failures += string_stuff();
failures += vector_stuff();
failures += reverse_stuff();
failures += wrong_stuff();
#ifdef DEBUG_ASSERT
assert (failures == 0);
#endif
return failures ? 1 : 0;
}
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