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#include <string>
#include <gtest/gtest.h>
#include <gtest/gtest-matchers.h>
#include <gmock/gmock.h>
#include <gmock/gmock-matchers.h>
#include "common.hpp"
#ifdef TEST_MODULE
import cpptrace;
#else
#include <cpptrace/cpptrace.hpp>
#endif
static volatile int truthy = 2;
// NOTE: returning something and then return stacktrace_multi_3(line_numbers) * rand(); is done to prevent TCO even
// under LTO https://github.com/jeremy-rifkin/cpptrace/issues/179#issuecomment-2467302052
CPPTRACE_FORCE_NO_INLINE int stacktrace_traced_object_3(std::vector<int>& line_numbers) {
static volatile int lto_guard; lto_guard = lto_guard + 1;
if(truthy) { // due to a MSVC warning about unreachable code
line_numbers.insert(line_numbers.begin(), __LINE__ + 1);
throw cpptrace::runtime_error("foobar");
}
return 2;
}
CPPTRACE_FORCE_NO_INLINE int stacktrace_traced_object_2(std::vector<int>& line_numbers) {
static volatile int lto_guard; lto_guard = lto_guard + 1;
line_numbers.insert(line_numbers.begin(), __LINE__ + 1);
return stacktrace_traced_object_3(line_numbers) * rand();
}
CPPTRACE_FORCE_NO_INLINE int stacktrace_traced_object_1(std::vector<int>& line_numbers) {
static volatile int lto_guard; lto_guard = lto_guard + 1;
line_numbers.insert(line_numbers.begin(), __LINE__ + 1);
return stacktrace_traced_object_2(line_numbers) * rand();
}
TEST(TracedException, Basic) {
std::vector<int> line_numbers;
try {
line_numbers.insert(line_numbers.begin(), __LINE__ + 1);
stacktrace_traced_object_1(line_numbers);
} catch(cpptrace::exception& e) {
EXPECT_EQ(e.message(), std::string("foobar"));
const auto& trace = e.trace();
ASSERT_GE(trace.frames.size(), 4);
size_t i = 0;
ASSERT_LT(i, trace.frames.size());
ASSERT_LT(i, line_numbers.size());
EXPECT_FILE(trace.frames[i].filename, "traced_exception.cpp");
EXPECT_LINE(trace.frames[i].line.value(), line_numbers[i]);
EXPECT_THAT(trace.frames[i].symbol, testing::HasSubstr("stacktrace_traced_object_3"));
i++;
ASSERT_LT(i, trace.frames.size());
ASSERT_LT(i, line_numbers.size());
EXPECT_FILE(trace.frames[i].filename, "traced_exception.cpp");
EXPECT_LINE(trace.frames[i].line.value(), line_numbers[i]);
EXPECT_THAT(trace.frames[i].symbol, testing::HasSubstr("stacktrace_traced_object_2"));
i++;
ASSERT_LT(i, trace.frames.size());
ASSERT_LT(i, line_numbers.size());
EXPECT_FILE(trace.frames[i].filename, "traced_exception.cpp");
EXPECT_LINE(trace.frames[i].line.value(), line_numbers[i]);
EXPECT_THAT(trace.frames[i].symbol, testing::HasSubstr("stacktrace_traced_object_1"));
i++;
ASSERT_LT(i, trace.frames.size());
ASSERT_LT(i, line_numbers.size());
EXPECT_FILE(trace.frames[i].filename, "traced_exception.cpp");
EXPECT_LINE(trace.frames[i].line.value(), line_numbers[i]);
EXPECT_THAT(trace.frames[i].symbol, testing::HasSubstr("TracedException_Basic_Test::TestBody"));
}
}
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