149 lines
4.5 KiB
C++
149 lines
4.5 KiB
C++
//@HEADER
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// ************************************************************************
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//
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// Kokkos v. 4.0
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// Copyright (2022) National Technology & Engineering
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// Solutions of Sandia, LLC (NTESS).
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
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// See https://kokkos.org/LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//@HEADER
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#include <iostream>
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#include <gtest/gtest.h>
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#include "Kokkos_Core.hpp"
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#include <impl/Kokkos_Stacktrace.hpp>
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namespace Test {
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void stacktrace_test_f0(std::ostream& out);
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int stacktrace_test_f1(std::ostream& out);
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void stacktrace_test_f2(std::ostream& out);
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int stacktrace_test_f3(std::ostream& out, const int level);
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void stacktrace_test_f4();
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void my_fancy_handler();
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size_t find_first_non_whitespace(const std::string& s, const size_t start_pos) {
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constexpr size_t num_ws_chars = 3;
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const char ws_chars[] = "\n\t ";
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return s.find_first_not_of(ws_chars, start_pos, num_ws_chars);
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}
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void test_stacktrace(bool bTerminate, bool bCustom = true) {
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stacktrace_test_f1(std::cout);
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bool bDynamic = false;
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{
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std::stringstream sstream;
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Kokkos::Impl::print_saved_stacktrace(sstream);
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std::string foutput = sstream.str();
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bDynamic = std::string::npos != foutput.find("stacktrace");
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if (bDynamic) {
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printf("test_f1:\n%s \n", foutput.c_str());
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ASSERT_NE(std::string::npos, foutput.find("stacktrace_test_f1"));
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for (auto x : {"stacktrace_test_f0", "stacktrace_test_f2",
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"stacktrace_test_f3", "stacktrace_test_f4"}) {
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ASSERT_EQ(std::string::npos, foutput.find(x));
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}
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}
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}
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{
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std::stringstream sstream;
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Kokkos::Impl::print_demangled_saved_stacktrace(sstream);
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if (bDynamic) {
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std::string foutput = sstream.str();
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printf("demangled test_f1:\n%s \n", foutput.c_str());
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ASSERT_NE(std::string::npos, foutput.find("Test::stacktrace_test_f1"));
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for (auto x : {"stacktrace_test_f0", "stacktrace_test_f2",
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"stacktrace_test_f3", "stacktrace_test_f4"}) {
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ASSERT_EQ(std::string::npos, foutput.find(x));
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}
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EXPECT_EQ(0u, find_first_non_whitespace(foutput, 0));
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}
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}
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int val = stacktrace_test_f3(std::cout, 4);
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// Don't remove this, otherwise the compiler will optimize away call sequences
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// via
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printf("StackTrace f3(std::cout, 4) returned: %i\n", val);
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// TODO test by making sure that f3 and f1, but no other functions,
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// appear in the stack trace, and that f3 appears 5 times.
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// Fix that f3 doesn't show up when compiling with -O3
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{
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std::stringstream sstream;
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Kokkos::Impl::print_saved_stacktrace(sstream);
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if (bDynamic) {
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std::string foutput = sstream.str();
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printf("test_f3:\n%s \n", foutput.c_str());
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for (auto x : {"stacktrace_test_f1", "stacktrace_test_f3"}) {
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ASSERT_NE(std::string::npos, foutput.find(x));
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}
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}
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// TODO make sure stacktrace_test_f2/4 don't show up
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// TODO make sure stacktrace_test_f3 shows up 5 times
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}
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{
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std::stringstream sstream;
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Kokkos::Impl::print_demangled_saved_stacktrace(sstream);
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if (bDynamic) {
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std::string foutput = sstream.str();
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printf("demangled test_f3:\n%s \n", foutput.c_str());
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for (auto x : {"stacktrace_test_f1", "stacktrace_test_f3"}) {
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ASSERT_NE(std::string::npos, foutput.find(x));
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}
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EXPECT_EQ(0u, find_first_non_whitespace(foutput, 0));
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}
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// TODO make sure stacktrace_test_f2/4 don't show up
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// TODO make sure stacktrace_test_f3 shows up 5 times
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}
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std::cout << "Test setting std::terminate handler that prints "
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"the last saved stack trace"
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<< std::endl;
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stacktrace_test_f4();
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if (bCustom) {
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Kokkos::Impl::set_kokkos_terminate_handler(my_fancy_handler);
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} else {
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Kokkos::Impl::set_kokkos_terminate_handler();
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}
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// TODO test that this prints "Oh noes!" and the correct stacktrace.
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if (bTerminate) {
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std::terminate();
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}
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}
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TEST(defaultdevicetype, stacktrace_normal) { test_stacktrace(false); }
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TEST(defaultdevicetype_DeathTest, stacktrace_terminate) {
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ASSERT_DEATH({ test_stacktrace(true); },
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"I am the custom std::terminate handler.");
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}
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TEST(defaultdevicetype_DeathTest, stacktrace_generic_term) {
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ASSERT_DEATH({ test_stacktrace(true, false); },
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"Kokkos observes that std::terminate has been called");
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}
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} // namespace Test
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