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From se...@apache.org
Subject svn commit: r378417 - /incubator/stdcxx/trunk/tests/algorithms/25.set.union.cpp
Date Fri, 17 Feb 2006 02:51:11 GMT
Author: sebor
Date: Thu Feb 16 18:51:09 2006
New Revision: 378417

URL: http://svn.apache.org/viewcvs?rev=378417&view=rev
Log:
2006-02-16  Anton Pevtsov  <antonp@moscow.vdiweb.com>

	* 25.set.union.cpp: Brand spankin' new test exercising lib.set.union.

Added:
    incubator/stdcxx/trunk/tests/algorithms/25.set.union.cpp   (with props)

Added: incubator/stdcxx/trunk/tests/algorithms/25.set.union.cpp
URL: http://svn.apache.org/viewcvs/incubator/stdcxx/trunk/tests/algorithms/25.set.union.cpp?rev=378417&view=auto
==============================================================================
--- incubator/stdcxx/trunk/tests/algorithms/25.set.union.cpp (added)
+++ incubator/stdcxx/trunk/tests/algorithms/25.set.union.cpp Thu Feb 16 18:51:09 2006
@@ -0,0 +1,410 @@
+/***************************************************************************
+ *
+ * 25.set.union.cpp - test exercising 25.3.5.2 [lib.set.union]
+ *
+ * $Id$
+ *
+ ***************************************************************************
+ *
+ * Copyright (c) 1994-2005 Quovadx,  Inc., acting through its  Rogue Wave
+ * Software division. Licensed under the Apache License, Version 2.0 (the
+ * "License");  you may  not use this file except  in compliance with the
+ * License.    You    may   obtain   a   copy   of    the   License    at
+ * http://www.apache.org/licenses/LICENSE-2.0.    Unless   required    by
+ * applicable law  or agreed to  in writing,  software  distributed under
+ * the License is distributed on an "AS IS" BASIS,  WITHOUT WARRANTIES OR
+ * CONDITIONS OF  ANY KIND, either  express or implied.  See  the License
+ * for the specific language governing permissions  and limitations under
+ * the License.
+ * 
+ **************************************************************************/
+
+#include <algorithm>    // for set_union 
+#include <cstring>      // for strlen, size_t
+
+#include <alg_test.h>
+#include <driver.h>     // for rw_test()
+
+/**************************************************************************/
+
+_RWSTD_NAMESPACE (std) { 
+
+#ifndef _RWSTD_NO_EXPLICIT_INSTANTIATION
+
+template 
+OutputIter<lt_comp<assign<base<cpy_ctor> > > >
+set_union (InputIter<lt_comp<assign<base<cpy_ctor> > > >,
+           InputIter<lt_comp<assign<base<cpy_ctor> > > >,
+           InputIter<lt_comp<assign<base<cpy_ctor> > > >,
+           InputIter<lt_comp<assign<base<cpy_ctor> > > >,
+           OutputIter<lt_comp<assign<base<cpy_ctor> > > >);
+
+template 
+OutputIter<lt_comp<assign<base<cpy_ctor> > > >
+set_union (InputIter<lt_comp<assign<base<cpy_ctor> > > >,
+           InputIter<lt_comp<assign<base<cpy_ctor> > > >,
+           InputIter<lt_comp<assign<base<cpy_ctor> > > >,
+           InputIter<lt_comp<assign<base<cpy_ctor> > > >,
+           OutputIter<lt_comp<assign<base<cpy_ctor> > > >,
+           binary_predicate<lt_comp<assign<base<cpy_ctor> > > >);
+
+#endif // _RWSTD_NO_EXPLICIT_INSTANTIATION
+
+}   // namespace std
+
+/**************************************************************************/
+
+struct Less
+{
+    static std::size_t funcalls_;
+
+    // dummy arguments provided to prevent the class from being
+    // default constructible and implicit conversion from int
+    Less (int /* dummy */, int /* dummy */) {
+        funcalls_ = 0;
+    }
+
+    // return a type other than bool but one that is implicitly
+    // convertible to bool to detect incorrect assumptions
+    conv_to_bool operator() (const X &x, const X &y) /* non-const */ {
+        ++funcalls_;
+        return conv_to_bool::make (x.val_ < y.val_);
+    }
+
+private:
+    void operator= (Less&);   // not assignable
+};
+
+std::size_t Less::funcalls_;
+
+/**************************************************************************/
+
+// ordinary (non-template) base to minimize code bloat
+struct SetUnionBase
+{
+    virtual ~SetUnionBase() { /* no-op */ }
+
+    const char* iter_names [3];
+
+    // pure virtual, must be overridden
+    virtual X*
+    set_union (const X*, const X*, const X*, const X*,
+               X*, X*, const Less*) const = 0;
+};
+
+template <class InputIterator1, class InputIterator2, class OutputIterator>
+struct SetUnion: SetUnionBase
+{
+    SetUnion () {
+        iter_names [0] = type_name (InputIterator1 (0, 0, 0), (X*)0);
+        iter_names [1] = type_name (InputIterator2 (0, 0, 0), (X*)0);
+        iter_names [2] = type_name (OutputIterator (0, 0, 0), (X*)0);
+    }
+
+    virtual X*
+    set_union (const X    *xsrc1, const X *xsrc1_end,
+               const X    *xsrc2, const X *xsrc2_end,
+               X          *xdst, X *xdst_end,
+               const Less *ppred) const {
+
+        const InputIterator1 first1 (xsrc1,     xsrc1, xsrc1_end);
+        const InputIterator1 last1  (xsrc1_end, xsrc1, xsrc1_end);
+        const InputIterator2 first2 (xsrc2,     xsrc2, xsrc2_end);
+        const InputIterator2 last2  (xsrc2_end, xsrc2, xsrc2_end);
+
+        const OutputIterator result (xdst, xdst, xdst_end);
+
+        const OutputIterator ret = ppred ?
+              std::set_union (first1, last1, first2, last2, result, *ppred)
+            : std::set_union (first1, last1, first2, last2, result);
+
+        // silence EDG eccp 3.7 and prior remark #550-D:
+        //   variable was set but never used
+        _RWSTD_UNUSED (ret);
+
+        return ret.cur_;
+    }
+};
+
+/**************************************************************************/
+
+void test_set_union (int                 line,
+                     const char         *src1,
+                     const char         *src2,
+                     const char         *res,
+                     bool                predicate,
+                     const SetUnionBase &alg)
+{
+    const char* const it1name = alg.iter_names [0];
+    const char* const it2name = alg.iter_names [1];
+    const char* const outname = alg.iter_names [2];
+    const char* const fname   = "set_union";
+    const char* const funname = predicate ? "Less" : 0;
+
+    const std::size_t nsrc1 = std::strlen (src1);
+    const std::size_t nsrc2 = std::strlen (src2);
+    const std::size_t ndst  = std::strlen (res);
+
+    X* const xsrc1 = X::from_char (src1, nsrc1);
+    X* const xsrc2 = X::from_char (src2, nsrc2);
+    X* const xdst  = new X[ndst];
+
+    const int max1_id = nsrc1 > 0 ? xsrc1 [nsrc1 - 1].id_ : -1;
+
+    X* const xsrc1_end = xsrc1 + nsrc1;
+    X* const xsrc2_end = xsrc2 + nsrc2;
+    X* const xdst_end  = xdst + ndst;
+
+    const std::size_t last_n_op_lt = X::n_total_op_lt_;
+
+    const Less pred (0, 0);
+    const Less* const ppred = predicate ? &pred : 0;
+
+    const X* const xdst_res =
+        alg.set_union (xsrc1, xsrc1_end, xsrc2, xsrc2_end,
+                       xdst, xdst_end, ppred);
+
+    // check the returned value
+    bool success = xdst_res == xdst_end;
+    rw_assert (success, 0, line,
+               "line %d: %s<%s, %s, %s%{?}, %s%{;}> (\"%s\", \"%s\", ...) "
+               "got res + %td, expected res + %zu", 
+               __LINE__, fname, it1name, it2name, outname, predicate, 
+               funname, src1, src2, xdst_res - xdst, ndst);
+
+    //quit here to avoid the running out of the array boundaries
+    if (! success) {    
+        delete[] xsrc1;
+        delete[] xsrc2;
+        delete[] xdst;
+        return;
+    }
+
+    const std::size_t n_ops_lt = ppred ? 
+        Less::funcalls_ : X::n_total_op_lt_ - last_n_op_lt;
+
+    // check the algorithm correctness
+    std::size_t i = 0;
+    std::size_t n1 = 0;
+    std::size_t n2 = 0;
+    for ( ; i < ndst; i++) {
+        xdst[i].origin_ <= max1_id ? n1++ : n2++;
+        success = xdst[i].val_ == res[i];
+        if (!success)
+            break;
+    }
+
+    // to avoid errors in --trace mode
+    i = i < ndst ? i : ndst - 1;
+
+    rw_assert (success, 0, line,
+               "line %d: %s<%s, %s, %s%{?}, %s%{;}> (\"%s\", \"%s\", ...) "
+               " ==> \"%{X=*.*}\", expected \"%s\"", 
+               __LINE__, fname, it1name, it2name, outname, predicate, 
+               funname, src1, src2, int (ndst), i, xdst, res);
+
+    // check that the operation is stable : for two equal elements
+    // one from the first sequence should be taken
+    success = n1 == nsrc1;
+    rw_assert (success, 0, line,
+               "line %d: %s<%s, %s, %s%{?}, %s%{;}> (\"%s\", \"%s\", ...) "
+               " ==> \"%{X=*.*}\" got %zu elements from first sequence and "
+               "%zu from second, expected %zu from first and %zu from second",
+               __LINE__, fname, it1name, it2name, outname, predicate, funname, 
+               src1, src2, int (ndst), -1, xdst, n1, n2, nsrc1, ndst - nsrc1);
+
+    // check the complexity
+    const std::size_t n_exp_ops =
+        nsrc1 + nsrc2 > 0 ? 2 * (nsrc1 + nsrc2) - 1 : 0;
+
+    rw_assert (n_ops_lt <= n_exp_ops, 0, line,
+               "line %d: %s<%s, %s, %s%{?}, %s%{;}> (\"%s\", \"%s\", ...) "
+               "complexity: got %zu, expected no more than %zu",
+               __LINE__, fname, it1name, it2name, outname, predicate, funname, 
+               src1, src2, n_ops_lt, n_exp_ops);
+
+    delete[] xsrc1;
+    delete[] xsrc2;
+    delete[] xdst;
+}
+
+/**************************************************************************/
+
+void test_set_union (const SetUnionBase &alg, 
+                     bool                predicate)
+{
+    const char* const it1name = alg.iter_names [0];
+    const char* const it2name = alg.iter_names [1];
+    const char* const outname = alg.iter_names [2];
+    const char* const fname   = "set_union";
+    const char* const funname = predicate ? "Less" : 0;
+
+    rw_info (0, 0, 0,
+             "%s std::%s(%s, %3$s, %s, %4$s, %1$s%{?}, %s%{;})",
+             outname, fname, it1name, it2name, predicate, funname);
+
+#define TEST(src1, src2, res)                                               \
+    test_set_union (__LINE__, src1, src2, res, predicate, alg)  
+
+    TEST ("a", "", "a");
+    TEST ("abcde", "", "abcde");
+
+    TEST ("", "a", "a");
+    TEST ("", "abcde", "abcde");
+
+    TEST ("a", "b", "ab");
+    TEST ("b", "a", "ab");
+
+    TEST ("aa", "aa", "aa");
+    TEST ("ab", "ab", "ab");
+
+    TEST ("aa", "ab", "aab");
+    TEST ("aa", "bb", "aabb");
+    TEST ("ab", "bb", "abb");
+    TEST ("ac", "bb", "abbc");
+
+    TEST ("ace", "bdf", "abcdef");
+    TEST ("acf", "bdf", "abcdf");
+    TEST ("ade", "bdf", "abdef");
+    TEST ("bce", "bdf", "bcdef");
+
+    TEST ("abcde", "fghij", "abcdefghij");
+    TEST ("aacde", "ffhij", "aacdeffhij");
+    TEST ("abbde", "fggij", "abbdefggij");
+    TEST ("abcce", "fghhj", "abccefghhj");
+    TEST ("abcdd", "fghii", "abcddfghii");
+
+    TEST ("aacee", "aacee", "aacee");
+    TEST ("aacee", "aaace", "aaacee");
+    TEST ("aacee", "aaaae", "aaaacee");
+    TEST ("aacee", "aaaaa", "aaaaacee");
+    TEST ("aacee", "aaaab", "aaaabcee");
+    TEST ("aacee", "aaabd", "aaabcdee");
+    TEST ("aacee", "aabee", "aabcee");
+}
+
+/**************************************************************************/
+
+/* extern */ int rw_opt_no_predicate;           // --no-predicate
+/* extern */ int rw_opt_no_input_iter;          // --no-InputIterator
+/* extern */ int rw_opt_no_output_iter;         // --no-OutputIterator
+/* extern */ int rw_opt_no_fwd_iter;            // --no-ForwardIterator
+/* extern */ int rw_opt_no_bidir_iter;          // --no-BidirectionalIterator
+/* extern */ int rw_opt_no_rnd_iter;            // --no-RandomAccessIterator
+
+/**************************************************************************/
+
+template <class InputIterator1, class InputIterator2, class OutputIterator>
+void gen_set_union_test (const InputIterator1&,
+                         const InputIterator2&,
+                         const OutputIterator&,
+                         bool predicate)
+{
+    const SetUnion<InputIterator1, InputIterator2, OutputIterator> alg;
+
+    test_set_union (alg, predicate);
+}
+
+/**************************************************************************/
+
+template <class InputIterator1, class InputIterator2>
+void gen_set_union_test (const InputIterator1 &it1,
+                         const InputIterator2 &it2,
+                         bool predicate)
+{
+    if (0 == rw_opt_no_output_iter)
+        gen_set_union_test (it1, it2, OutputIter<X>(0, 0, 0), predicate);
+    if (0 == rw_opt_no_fwd_iter)
+        gen_set_union_test (it1, it2, FwdIter<X>(0, 0, 0), predicate);
+    if (0 == rw_opt_no_bidir_iter)
+        gen_set_union_test (it1, it2, BidirIter<X>(0, 0, 0), predicate);
+    if (0 == rw_opt_no_rnd_iter)
+        gen_set_union_test (it1, it2, RandomAccessIter<X>(0, 0, 0), predicate);
+}
+
+template <class InputIterator1>
+void gen_set_union_test (const InputIterator1 &it1, 
+                         bool                  predicate)
+{
+    if (0 == rw_opt_no_input_iter)
+        gen_set_union_test (it1, InputIter<X>(0, 0, 0), predicate);
+    if (0 == rw_opt_no_fwd_iter)
+        gen_set_union_test (it1, ConstFwdIter<X>(0, 0, 0), predicate);
+    if (0 == rw_opt_no_bidir_iter)
+        gen_set_union_test (it1, ConstBidirIter<X>(0, 0, 0), predicate);
+    if (0 == rw_opt_no_rnd_iter)
+        gen_set_union_test (it1, ConstRandomAccessIter<X>(0, 0, 0), predicate);
+}
+
+// generates a specialization of the set_union test for each of the required
+// iterator categories
+void gen_set_union_test (bool predicate)
+{
+    rw_info (0, 0, 0,
+             "template <class %s, class %s, class %s%{?}, class %s%{;}> "
+             "%3$s set_union(%1$s, %1$s, %2$s, %2$s, %3$s%{?}, %s%{;})",
+             "InputIterator1", "InputIterator2", "OutputIterator",
+             predicate, "Compare", predicate, "Compare");
+
+    if (rw_opt_no_output_iter)
+        rw_note (0, 0, 0, "OutputIterator test disabled");
+
+    if (rw_opt_no_input_iter)
+        rw_note (0, 0, 0, "InputIterator test disabled");
+    else
+        gen_set_union_test (InputIter<X>(0, 0, 0), predicate);
+
+    if (rw_opt_no_fwd_iter)
+        rw_note (0, 0, 0, "ForwardIterator test disabled");
+    else
+        gen_set_union_test (ConstFwdIter<X>(0, 0, 0), predicate);
+
+    if (rw_opt_no_bidir_iter)
+        rw_note (0, 0, 0, "BidirectionalIterator test disabled");
+    else
+        gen_set_union_test (ConstBidirIter<X>(0, 0, 0), predicate);
+
+    if (rw_opt_no_rnd_iter)
+        rw_note (0, 0, 0, "RandomAccessIterator test disabled");
+    else
+        gen_set_union_test (ConstRandomAccessIter<X>(0, 0, 0), predicate);
+}
+
+/**************************************************************************/
+
+static int run_test (int, char*[])
+{
+    if (rw_opt_no_predicate)
+        rw_note (0, 0, 0, "predicate test disabled");
+
+    const int niters = rw_opt_no_predicate ? 1 : 2;
+
+    //////////////////////////////////////////////////////////////////
+    for (int i = 0; i != niters; ++i) {
+        gen_set_union_test (1 == i);
+    }
+
+    return 0;
+}
+
+/**************************************************************************/
+
+int main (int argc, char *argv[])
+{
+    return rw_test (argc, argv, __FILE__,
+                    "lib.set.union",
+                    0 /* no comment */,
+                    run_test,
+                    "|-no-predicate#"
+                    "|-no-InputIterator# "
+                    "|-no-OutputIterator# "
+                    "|-no-ForwardIterator# "
+                    "|-no-BidirectionalIterator# "
+                    "|-no-RandomAccessIterator#",
+                    &rw_opt_no_predicate,
+                    &rw_opt_no_input_iter,
+                    &rw_opt_no_output_iter,
+                    &rw_opt_no_fwd_iter,
+                    &rw_opt_no_bidir_iter,
+                    &rw_opt_no_rnd_iter);
+}

Propchange: incubator/stdcxx/trunk/tests/algorithms/25.set.union.cpp
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    svn:eol-style = native

Propchange: incubator/stdcxx/trunk/tests/algorithms/25.set.union.cpp
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    svn:keywords = Id



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