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b0d29bc47d
Having kyua in the base system will simplify automated testing in CI and eliminates bootstrapping issues on new platforms. The build of kyua is controlled by WITH(OUT)_TESTS_SUPPORT. Reviewed by: emaste Obtained from: CheriBSD Sponsored by: DARPA Differential Revision: https://reviews.freebsd.org/D24103
114 lines
3.5 KiB
C++
114 lines
3.5 KiB
C++
// Copyright 2016 The Kyua Authors.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/// \file utils/test_utils.ipp
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/// Provides test-only convenience utilities.
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#if defined(UTILS_TEST_UTILS_IPP)
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# error "utils/test_utils.hpp can only be included once"
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#endif
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#define UTILS_TEST_UTILS_IPP
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extern "C" {
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#include <sys/resource.h>
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}
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#include <cstdlib>
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#include <iostream>
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#include <atf-c++.hpp>
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#include "utils/defs.hpp"
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#include "utils/stacktrace.hpp"
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#include "utils/text/operations.ipp"
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namespace utils {
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/// Tries to prevent dumping core if we do not need one on a crash.
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///
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/// This is a best-effort operation provided so that tests that will cause
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/// a crash do not collect an unnecessary core dump, which can be slow on
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/// some systems (e.g. on macOS).
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inline void
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avoid_coredump_on_crash(void)
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{
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struct ::rlimit rl;
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rl.rlim_cur = 0;
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rl.rlim_max = 0;
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if (::setrlimit(RLIMIT_CORE, &rl) == -1) {
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std::cerr << "Failed to zero core size limit; may dump core\n";
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}
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}
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inline void abort_without_coredump(void) UTILS_NORETURN;
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/// Aborts execution and tries to not dump core.
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///
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/// The coredump avoidance is a best-effort operation provided so that tests
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/// that will cause a crash do not collect an unnecessary core dump, which can
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/// be slow on some systems (e.g. on macOS).
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inline void
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abort_without_coredump(void)
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{
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avoid_coredump_on_crash();
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std::abort();
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}
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/// Skips the test if coredump tests have been disabled by the user.
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///
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/// \param tc The calling test.
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inline void
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require_run_coredump_tests(const atf::tests::tc* tc)
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{
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if (tc->has_config_var("run_coredump_tests") &&
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!text::to_type< bool >(tc->get_config_var("run_coredump_tests"))) {
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tc->skip("run_coredump_tests=false; not running test");
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}
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}
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/// Prepares the test so that it can dump core, or skips it otherwise.
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///
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/// \param tc The calling test.
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inline void
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prepare_coredump_test(const atf::tests::tc* tc)
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{
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require_run_coredump_tests(tc);
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if (!unlimit_core_size()) {
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tc->skip("Cannot unlimit the core file size; check limits manually");
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}
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}
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} // namespace utils
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