3 // Copyright (C) 2005, 2006, 2009, 2011 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 3, or (at your option) any later
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
21 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
23 // Permission to use, copy, modify, sell, and distribute this software
24 // is hereby granted without fee, provided that the above copyright
25 // notice appears in all copies, and that both that copyright notice
26 // and this permission notice appear in supporting documentation. None
27 // of the above authors, nor IBM Haifa Research Laboratories, make any
28 // representation about the suitability of this software for any
29 // purpose. It is provided "as is" without express or implied
33 * @file hash_random_int_erase_mem_usage_test.cpp
34 * Contains test for erasing random integers.
37 #include <ext/typelist.h>
38 #include <testsuite_allocator.h>
39 #include <performance/io/xml_formatter.hpp>
40 #include <io/verified_cmd_line_input.hpp>
41 #include <testsuite_rng.h>
42 #include <common_type/assoc/common_type.hpp>
43 #include <performance/assoc/mem_usage/erase_test.hpp>
48 struct int_hash
: public std::unary_function
<int, int>
51 operator()(int i
) const
59 main(int argc
, char* a_p_argv
[])
61 using namespace __gnu_pbds::test
;
68 xml_test_performance_formatter
fmt("Size", "Memory (bytes)");
70 typedef std::vector
<int> vec_t
;
73 for (size_t i
= 0; i
< vm
; ++i
)
74 a_v
[i
] = static_cast<int>(g
.get_unsigned_long());
76 vec_t::const_iterator b
= a_v
.begin();
77 erase_test
<vec_t::const_iterator
> tst(b
, vn
, vs
, vm
);
78 typedef __gnu_test::tracker_allocator
<char> alloc_t
;
80 typedef hash_common_types
<int, __gnu_pbds::null_type
, int_hash
, std::equal_to
<int>, alloc_t
>::performance_tl tl_t
;
83 __gnu_cxx::typelist::apply(tst
, tl
);
87 typedef native_hash_set
<int, 8, int_hash
, std::equal_to
<int>, std::less
<int>, alloc_t
> native_t
;
94 std::cerr
<< "Test failed" << std::endl
;
104 cerr
<< "usage: hash_random_int_erase_if_test <vn> <vs> <vm>"
107 cerr
<< "This test checks the performance of various associative containers "
108 "using their erase method. " << endl
;
109 cerr
<< "Specifically, it does the following:" << endl
;
110 cerr
<< "* Creates a vector of random integers " << endl
;
111 cerr
<< "* Inserts the elements into the container" << endl
;
112 cerr
<< "* Erases all the elements, except one, from the constainer"
115 cerr
<< "vn = minimum size of the vector" << endl
;
116 cerr
<< "vs = step size of the vector" << endl
;
117 cerr
<< "vm = maximum size of the vector" << endl
;