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Unified Diff: gcc/libstdc++-v3/testsuite/ext/pb_ds/example/hash_illegal_resize.cc

Issue 3050029: [gcc] GCC 4.5.0=>4.5.1 (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/nacl-toolchain.git
Patch Set: Created 10 years, 5 months ago
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Index: gcc/libstdc++-v3/testsuite/ext/pb_ds/example/hash_illegal_resize.cc
diff --git a/gcc/libstdc++-v3/testsuite/ext/pb_ds/example/hash_illegal_resize.cc b/gcc/libstdc++-v3/testsuite/ext/pb_ds/example/hash_illegal_resize.cc
deleted file mode 100644
index bab267c7afffa0bc483848591fa020576e263264..0000000000000000000000000000000000000000
--- a/gcc/libstdc++-v3/testsuite/ext/pb_ds/example/hash_illegal_resize.cc
+++ /dev/null
@@ -1,127 +0,0 @@
-// -*- C++ -*-
-
-// Copyright (C) 2005, 2006, 2009 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 3, 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 COPYING3. If not see
-// <http://www.gnu.org/licenses/>.
-
-
-// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
-
-// Permission to use, copy, modify, sell, and distribute this software
-// is hereby granted without fee, provided that the above copyright
-// notice appears in all copies, and that both that copyright notice
-// and this permission notice appear in supporting documentation. None
-// of the above authors, nor IBM Haifa Research Laboratories, make any
-// representation about the suitability of this software for any
-// purpose. It is provided "as is" without express or implied
-// warranty.
-
-/**
- * @file hash_illegal_resize_example.cpp
- * An example of illegally
- * externally resizing a hash-based container object.
- */
-
-/**
- * This example shows the case where a hash-based container object is
- * resized to a value which it cannot accomodate at runtime. Illegal
- * runtime resizes cause an exception.
- */
-
-#include <ext/pb_ds/assoc_container.hpp>
-#include <ext/pb_ds/hash_policy.hpp>
-#include <ext/pb_ds/exception.hpp>
-#include <cassert>
-
-using namespace std;
-using namespace __gnu_pbds;
-
-// A simple hash functor.
-// hash could serve instead of this functor, but it is not yet
-// standard everywhere.
-struct int_hash : public unary_function<int, size_t>
-{
- inline size_t
- operator()(const int& r_i) const
- { return r_i; }
-};
-
-
-int main()
-{
- // A probing hash table mapping ints to chars.
- typedef
- gp_hash_table<
- int,
- int,
- int_hash,
- equal_to<
- int>,
- // Combining function.
- direct_mod_range_hashing<>,
- // Probe function.
- quadratic_probe_fn<>,
- // Resize policy.
- hash_standard_resize_policy<
- hash_prime_size_policy,
- hash_load_check_resize_trigger<>,
- /* Allow external access to size.
- * Without setting this to true, external resizing
- * is not possible.
- */
- true> >
- map_t;
-
- map_t g;
-
- // Insert some elements.
- int i;
-
- for (i = 0; i < 1000; ++i)
- g[i] = 2* i;
-
- // Check all ok.
- assert(g.size() == 1000);
- for (i = 0; i < 1000; ++i)
- assert(g.find(i) != g.end()&& g.find(i)->second == 2* i);
-
- // Now attempt to resize the table to 200 (impossible).
- bool ex_thrown = false;
-
- try
- {
- g.resize(200);
- }
- catch(__gnu_pbds::resize_error& )
- {
- ex_thrown = true;
- }
-
- // Assert an exception was thrown. A probing table cannot contain
- // 1000 entries in less than 1000 places.
- assert(ex_thrown);
-
- // Irrespective of the fact that the resize was not successful, the
- // container object should still be in a valid state; the following
- // checks this.
- // Check all ok.
- assert(g.size() == 1000);
- for (i = 0; i < 1000; ++i)
- assert(g.find(i) != g.end()&& g.find(i)->second == 2* i);
-
- return 0;
-}
-

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