--- /dev/null
+// 1999-09-20 bkoz
+
+// Copyright (C) 1999 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.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction. Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License. This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+// 27.4.3 template class fpos
+
+#include <ios>
+#ifdef DEBUG_ASSERT
+#include <assert.h>
+#endif
+
+void test01()
+{
+ bool test = true;
+
+ typedef mbstate_t state_type;
+ state_type state01;
+ state_type state02;
+
+ std::streampos pos01;
+ std::streampos pos02;
+
+ std::streamoff off01;
+ std::streamoff off02;
+
+ std::streamsize size01;
+ std::streamsize size02;
+
+ // 27.4.3.1 fpos members
+ // void state(state_type s);
+ // state_type state();
+#if 0
+// XXX Need to have some sanity checking for the mbstate_t type, or
+// whatever the insantiating type for class fpos happens to be for
+// streampos, as things like equality operators and assignment
+// operators, increment and deincrement operators need to be in place.
+ pos01.state(state02);
+ state01 = pos01.state();
+ test &= state01 == state02;
+#endif
+
+#ifdef DEBUG_ASSERT
+ assert(test);
+#endif
+}
+
+// 27.4.3.2 fpos requirements/invariants
+void test02()
+{
+ bool test = true;
+
+ typedef mbstate_t state_type;
+ state_type state01;
+ state_type state02;
+
+ std::streamoff off01;
+ std::streamoff off02 = 997;
+
+ int i01 = 0;
+ int i02 = 999;
+
+ // p(i), p = i
+ std::streampos pos01(i02);
+ std::streampos pos02 = i02;
+ test &= pos01 == pos02;
+
+ // p(o), p = o
+ // NB: P(o) is only required.
+ std::streampos pos03(off02);
+ std::streampos pos04 = off02;
+ test &= pos03 == pos04;
+
+ // O(p)
+ std::streamoff off03(pos04);
+ test &= off03 == off02;
+
+ // p == q, p!= q
+ test &= pos01 == pos02;
+ test &= pos02 != pos03;
+
+ // q = p + o
+ // p += o
+ pos03 = pos03 + off02;
+ pos04 += off02;
+ test &= pos03 == pos04;
+
+ // q = p - o
+ // p -= o
+ pos03 = pos03 - off02;
+ pos04 -= off02;
+ test &= pos03 == pos04;
+
+ // o = p - q
+ test &= 0 == pos03 - pos04;
+
+ // streamsize -> streamoff
+ // streamoff -> streamsize
+ off01 = off02;
+ std::streamsize size01(off02);
+ std::streamoff off04(size01);
+ test &= off01 == off04;
+
+#ifdef DEBUG_ASSERT
+ assert(test);
+#endif
+}
+
+void test03()
+{
+ bool test = true;
+
+ typedef mbstate_t state_type;
+ state_type state01;
+ state_type state02;
+
+ std::streamoff off01;
+ std::streamoff off02 = 997;
+
+ int i01 = 0;
+ int i02 = 999;
+
+ // casts to const streamoff
+ // (yes, I know this is weak code)
+ const std::streampos pos01 = 0;
+ off01 = pos01;
+
+ // equality/inequality with const args
+ const std::streampos pos02(54);
+ std::streampos pos03(44);
+ test &= !(pos03 == pos02);
+ test &= pos03 != pos02;
+ test &= !(pos02 == pos03);
+ test &= pos02 != pos03;
+
+ // default values
+ std::streampos pos04;
+ test &= (std::streamoff)pos04 == 0;
+
+#ifdef DEBUG_ASSERT
+ assert(test);
+#endif
+}
+
+int main() {
+ test01();
+ test02();
+ test03();
+ return 0;
+}
+
+
+
+
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