77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
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/* Self tests for vector utility routines for GDB, the GNU debugger.
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Copyright (C) 2019-2022 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "gdbsupport/common-defs.h"
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#include "gdbsupport/selftest.h"
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#include "gdbsupport/gdb_vecs.h"
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namespace selftests {
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namespace vector_utils_tests {
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static void
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unordered_remove_tests ()
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{
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/* Create vector with a single object in, and then remove that object.
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This test was added after a bug was discovered where unordered_remove
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would cause a self move assign. If the C++ standard library is
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compiled in debug mode (by passing -D_GLIBCXX_DEBUG=1) and the
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operator= is removed from struct obj this test used to fail with an
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error from the C++ standard library. */
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struct obj
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{
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std::vector<void *> var;
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obj() = default;
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/* gcc complains if we provide an assignment operator but no copy
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constructor, so provide one even if don't really care for this test. */
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obj(const obj &other)
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{
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this->var = other.var;
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}
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obj &operator= (const obj &other)
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{
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if (this == &other)
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error (_("detected self move assign"));
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this->var = other.var;
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return *this;
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}
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};
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std::vector<obj> v;
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v.emplace_back ();
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auto it = v.end () - 1;
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unordered_remove (v, it);
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SELF_CHECK (v.empty ());
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}
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} /* namespace vector_utils_tests */
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} /* amespace selftests */
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void _initialize_vec_utils_selftests ();
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void
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_initialize_vec_utils_selftests ()
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{
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selftests::register_test
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("unordered_remove",
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selftests::vector_utils_tests::unordered_remove_tests);
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}
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