340 lines
11 KiB
C++
340 lines
11 KiB
C++
/***************************************************************************
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*
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* 25.includes.cpp - test exercising 25.3.5.1 [lib.includes]
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*
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* $Id: 25.includes.cpp 510970 2007-02-23 14:57:45Z faridz $
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*
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***************************************************************************
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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* Copyright 1994-2006 Rogue Wave Software.
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*
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**************************************************************************/
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#include <algorithm> // for includes
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#include <cstring> // for strlen, size_t
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#include <alg_test.h>
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#include <rw_value.h> // for UserClass
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#include <driver.h> // for rw_test()
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/**************************************************************************/
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_RWSTD_NAMESPACE (std) {
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#ifndef _RWSTD_NO_EXPLICIT_INSTANTIATION
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template
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bool
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includes (InputIter<lt_comp<base<no_ctor> > >,
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InputIter<lt_comp<base<no_ctor> > >,
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InputIter<lt_comp<base<no_ctor> > >,
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InputIter<lt_comp<base<no_ctor> > > );
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template
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bool
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includes (InputIter<lt_comp<base<no_ctor> > >,
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InputIter<lt_comp<base<no_ctor> > >,
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InputIter<lt_comp<base<no_ctor> > >,
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InputIter<lt_comp<base<no_ctor> > >,
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binary_predicate<lt_comp<base<no_ctor> > >);
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#endif // _RWSTD_NO_EXPLICIT_INSTANTIATION
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} // namespace std
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/**************************************************************************/
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template <class T>
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struct Less
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{
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static std::size_t funcalls_;
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// dummy arguments provided to prevent the class from being
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// default constructible and implicit conversion from int
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Less (int /* dummy */, int /* dummy */) {
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funcalls_ = 0;
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}
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// return a type other than bool but one that is implicitly
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// convertible to bool to detect incorrect assumptions
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conv_to_bool operator() (const T &x, const T &y) /* non-const */ {
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++funcalls_;
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return conv_to_bool::make (x.data_.val_ < y.data_.val_);
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}
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static const char* name () { return "Less"; }
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private:
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void operator= (Less&); // not assignable
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};
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template<class T> std::size_t Less<T>::funcalls_;
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/**************************************************************************/
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template
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<class T, class InputIterator1, class InputIterator2, class Predicate>
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void test_includes (int line,
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const char *src1,
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const char *src2,
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const bool res,
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const InputIterator1 &it1,
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const InputIterator2 &it2,
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const T*,
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const Predicate *ppred)
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{
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const char* const it1name = type_name (it1, (T*)0);
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const char* const it2name = type_name (it2, (T*)0);
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const char* const fname = "includes";
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const char* const predname = Predicate::name();
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const std::size_t nsrc1 = std::strlen (src1);
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const std::size_t nsrc2 = std::strlen (src2);
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T* const xsrc1 = T::from_char (src1, nsrc1);
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T* const xsrc2 = T::from_char (src2, nsrc2);
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T* const xsrc1_end = xsrc1 + nsrc1;
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T* const xsrc2_end = xsrc2 + nsrc2;
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const InputIterator1 first1 = make_iter (xsrc1, xsrc1, xsrc1_end, it1);
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const InputIterator1 last1 = make_iter (xsrc1_end, xsrc1, xsrc1_end, it1);
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const InputIterator2 first2 = make_iter (xsrc2, xsrc2, xsrc2_end, it2);
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const InputIterator2 last2 = make_iter (xsrc2_end, xsrc2, xsrc2_end, it2);
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const Predicate pred (0, 0);
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const std::size_t last_n_op_lt = T::n_total_op_lt_;
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const bool result = ppred ?
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std::includes (first1, last1, first2, last2, pred)
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: std::includes (first1, last1, first2, last2);
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// check the returned value
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rw_assert (res == result, 0, line,
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"line %d: %s<%s, %s%{?}, %s%{;}>(\"%s\", \"%s\", ...) "
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"== %b, got %b",
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__LINE__, fname, it1name, it2name, ppred, predname, src1, src2,
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res, result);
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std::size_t n_ops_lt = ppred ?
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Predicate::funcalls_ : T::n_total_op_lt_ - last_n_op_lt;
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// check the complexity
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std::size_t n_exp_ops = nsrc1 + nsrc2 > 0 ? 2 * (nsrc1 + nsrc2) - 1 : 0;
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rw_assert (n_ops_lt <= n_exp_ops, 0, line,
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"line %d: %s<%s, %s%{?}, %s%{;}>(\"%s\", \"%s\", ...) "
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"complexity: got %zu, expected <= %zu",
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__LINE__, fname, it1name, it2name, ppred, predname, src1, src2,
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n_ops_lt, n_exp_ops);
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delete[] xsrc1;
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delete[] xsrc2;
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}
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/**************************************************************************/
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template
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<class T, class InputIterator1, class InputIterator2, class Predicate>
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void test_includes (const InputIterator1 &it1,
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const InputIterator2 &it2,
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const T*,
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const Predicate *ppred)
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{
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const char* const it1name = type_name (it1, (T*)0);
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const char* const it2name = type_name (it2, (T*)0);
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const char* const fname = "includes";
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const char* const predname = Predicate::name ();
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rw_info (0, 0, 0,
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"std::%s(%s, %2$s, %s, %3$s%{?}, %s%{;})",
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fname, it1name, it2name, ppred, predname);
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#define TEST(src1, src2, res) \
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test_includes (__LINE__, src1, src2, res, it1, it2, (T*)0, ppred)
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TEST ("", "", true);
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TEST ("a", "", true);
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TEST ("", "a", false);
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TEST ("a", "a", true);
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TEST ("a", "b", false);
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TEST ("b", "a", false);
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TEST ("aa", "aa", true);
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TEST ("aa", "ab", false);
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TEST ("ab", "aa", false);
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TEST ("ab", "ab", true);
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TEST ("abcdef", "b", true);
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TEST ("abcdef", "bd", true);
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TEST ("abcdef", "i", false);
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TEST ("abcdef", "ei", false);
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TEST ("abcde", "abcde", true);
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TEST ("abbde", "abbde", true);
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TEST ("abcce", "abcce", true);
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TEST ("abcdd", "abcdd", true);
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TEST ("ab", "aaabbbb", false);
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TEST ("ab", "aaabbbc", false);
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TEST ("aaabbbb", "ab", true);
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TEST ("aaabbbc", "ac", true);
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TEST ("a", "aaaaaaaa", false);
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TEST ("a", "aaaaaaab", false);
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TEST ("aaaaaaaa", "aaaaaaaa", true);
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TEST ("aaaaaaab", "aaaaaaab", true);
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}
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/**************************************************************************/
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/* extern */ int rw_opt_no_predicate; // --no-predicate
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/* extern */ int rw_opt_no_input_iter; // --no-InputIterator
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/* extern */ int rw_opt_no_fwd_iter; // --no-ForwardIterator
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/* extern */ int rw_opt_no_bidir_iter; // --no-BidirectionalIterator
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/* extern */ int rw_opt_no_rnd_iter; // --no-RandomAccessIterator
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/**************************************************************************/
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template <class T, class InputIterator1, class Predicate>
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void test_includes (const InputIterator1 &it1,
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const T*,
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const Predicate *ppred)
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{
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static const InputIter<T> input_iter (0, 0, 0);
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static const FwdIter<T> fwd_iter (0, 0, 0);
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static const BidirIter<T> bidir_iter (0, 0, 0);
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static const RandomAccessIter<T> rand_iter (0, 0, 0);
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if (rw_opt_no_input_iter) {
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rw_note (0, __FILE__, __LINE__, "InputIterator test disabled");
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}
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else {
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test_includes (it1, input_iter, (T*)0, ppred);
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}
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if (rw_opt_no_fwd_iter) {
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rw_note (0, __FILE__, __LINE__, "ForwardIterator test disabled");
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}
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else {
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test_includes (it1, fwd_iter, (T*)0, ppred);
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}
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if (rw_opt_no_bidir_iter) {
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rw_note (0, __FILE__, __LINE__, "BidirectionalIterator test disabled");
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}
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else {
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test_includes (it1, bidir_iter, (T*)0, ppred);
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}
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if (rw_opt_no_rnd_iter) {
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rw_note (0, __FILE__, __LINE__, "RandomAccessIterator test disabled");
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}
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else {
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test_includes (it1, rand_iter, (T*)0, ppred);
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}
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}
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/**************************************************************************/
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template <class T, class Predicate>
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void test_includes (const T*,
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const Predicate *ppred)
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{
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static const InputIter<T> input_iter (0, 0, 0);
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static const FwdIter<T> fwd_iter (0, 0, 0);
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static const BidirIter<T> bidir_iter (0, 0, 0);
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static const RandomAccessIter<T> rand_iter (0, 0, 0);
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rw_info (0, 0, 0,
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"template <class %s, class %s%{?}, class %s%{;}> "
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"bool std::includes (%1$s, %1$s, %2$s, %2$s%{?}, %s%{;})",
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"InputIterator1", "InputIterator2", ppred, "Compare",
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ppred, "Compare");
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if (rw_opt_no_input_iter) {
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rw_note (0, __FILE__, __LINE__, "InputIterator test disabled");
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}
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else {
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test_includes (input_iter, (T*)0, ppred);
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}
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if (rw_opt_no_fwd_iter) {
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rw_note (0, __FILE__, __LINE__, "ForwardIterator test disabled");
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}
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else {
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test_includes (fwd_iter, (T*)0, ppred);
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}
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if (rw_opt_no_bidir_iter) {
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rw_note (0, __FILE__, __LINE__, "BidirectionalIterator test disabled");
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}
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else {
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test_includes (bidir_iter, (T*)0, ppred);
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}
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if (rw_opt_no_rnd_iter) {
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rw_note (0, __FILE__, __LINE__, "RandomAccessIterator test disabled");
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}
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else {
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test_includes (rand_iter, (T*)0, ppred);
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}
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}
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/**************************************************************************/
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static int run_test (int, char*[])
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{
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test_includes ((UserClass*)0, (Less<UserClass>*)0);
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if (rw_opt_no_predicate) {
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rw_note (0, __FILE__, __LINE__,
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"std::includes predicate test disabled");
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}
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else {
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test_includes ((UserClass*)0, (Less<UserClass>*)1);
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}
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return 0;
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}
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/**************************************************************************/
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int main (int argc, char *argv[])
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{
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return rw_test (argc, argv, __FILE__,
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"lib.includes",
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0 /* no comment */,
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run_test,
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"|-no-predicate#"
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"|-no-InputIterator# "
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"|-no-ForwardIterator# "
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"|-no-BidirectionalIterator# "
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"|-no-RandomAccessIterator#",
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&rw_opt_no_predicate,
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&rw_opt_no_input_iter,
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&rw_opt_no_fwd_iter,
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&rw_opt_no_bidir_iter,
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&rw_opt_no_rnd_iter);
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}
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