cpptrace/test/unit/raw_trace.cpp
2024-06-19 17:11:24 -05:00

119 lines
4.0 KiB
C++

#include <algorithm>
#include <iomanip>
#include <sstream>
#include <string_view>
#include <string>
#include <gtest/gtest.h>
#include <gtest/gtest-matchers.h>
#include <gmock/gmock.h>
#include <gmock/gmock-matchers.h>
#include <cpptrace/cpptrace.hpp>
using namespace std::literals;
// Raw trace tests
// This is fickle, however, it's the only way to do it really. It's reasonably reliable test in practice.
CPPTRACE_FORCE_NO_INLINE void raw_trace_basic() {
auto raw_trace = cpptrace::generate_raw_trace();
// look for within 90 bytes of the start of the function
EXPECT_GE(raw_trace.frames[0], reinterpret_cast<uintptr_t>(raw_trace_basic));
EXPECT_LE(raw_trace.frames[0], reinterpret_cast<uintptr_t>(raw_trace_basic) + 90);
}
#ifndef _MSC_VER
CPPTRACE_FORCE_NO_INLINE void raw_trace_basic_precise() {
a:
auto raw_trace = cpptrace::generate_raw_trace();
b:
// look for within 30 bytes of the start of the function
EXPECT_GE(raw_trace.frames[0], reinterpret_cast<uintptr_t>(&&a));
EXPECT_LE(raw_trace.frames[0], reinterpret_cast<uintptr_t>(&&b));
}
#endif
TEST(RawTrace, Basic) {
raw_trace_basic();
#ifndef _MSC_VER
raw_trace_basic_precise();
#endif
}
CPPTRACE_FORCE_NO_INLINE void raw_trace_multi_2(
cpptrace::frame_ptr parent_low_bound,
cpptrace::frame_ptr parent_high_bound
) {
auto raw_trace = cpptrace::generate_raw_trace();
EXPECT_GE(raw_trace.frames[0], reinterpret_cast<uintptr_t>(raw_trace_multi_2));
EXPECT_LE(raw_trace.frames[0], reinterpret_cast<uintptr_t>(raw_trace_multi_2) + 90);
EXPECT_GE(raw_trace.frames[1], parent_low_bound);
EXPECT_LE(raw_trace.frames[1], parent_high_bound);
}
CPPTRACE_FORCE_NO_INLINE void raw_trace_multi_1() {
auto raw_trace = cpptrace::generate_raw_trace();
raw_trace_multi_2(reinterpret_cast<uintptr_t>(raw_trace_multi_1), reinterpret_cast<uintptr_t>(raw_trace_multi_1) + 300);
EXPECT_GE(raw_trace.frames[0], reinterpret_cast<uintptr_t>(raw_trace_multi_1));
EXPECT_LE(raw_trace.frames[0], reinterpret_cast<uintptr_t>(raw_trace_multi_1) + 90);
}
std::vector<std::pair<cpptrace::frame_ptr, cpptrace::frame_ptr>> parents;
CPPTRACE_FORCE_NO_INLINE void record_parent(cpptrace::frame_ptr low_bound, cpptrace::frame_ptr high_bound) {
parents.insert(parents.begin(), {reinterpret_cast<uintptr_t>(low_bound), reinterpret_cast<uintptr_t>(high_bound)});
}
#ifndef _MSC_VER
CPPTRACE_FORCE_NO_INLINE void raw_trace_multi_precise_3() {
a:
auto raw_trace = cpptrace::generate_raw_trace();
b:
EXPECT_GE(raw_trace.frames[0], reinterpret_cast<uintptr_t>(&&a)); // this frame
EXPECT_LE(raw_trace.frames[0], reinterpret_cast<uintptr_t>(&&b));
for(size_t i = 0; i < parents.size(); i++) { // parent frames
EXPECT_GE(raw_trace.frames[i + 1], parents[i].first);
EXPECT_LE(raw_trace.frames[i + 1], parents[i].second);
}
}
CPPTRACE_FORCE_NO_INLINE void raw_trace_multi_precise_2() {
a:
auto raw_trace = cpptrace::generate_raw_trace();
b:
EXPECT_GE(raw_trace.frames[0], reinterpret_cast<uintptr_t>(&&a)); // this frame
EXPECT_LE(raw_trace.frames[0], reinterpret_cast<uintptr_t>(&&b));
for(size_t i = 0; i < parents.size(); i++) { // parent frames
EXPECT_GE(raw_trace.frames[i + 1], parents[i].first);
EXPECT_LE(raw_trace.frames[i + 1], parents[i].second);
}
record_parent(reinterpret_cast<uintptr_t>(&&c), reinterpret_cast<uintptr_t>(&&d));
c:
raw_trace_multi_precise_3();
d:;
}
CPPTRACE_FORCE_NO_INLINE void raw_trace_multi_precise_1() {
a:
auto raw_trace = cpptrace::generate_raw_trace();
b:
EXPECT_GE(raw_trace.frames[0], reinterpret_cast<uintptr_t>(&&a));
EXPECT_LE(raw_trace.frames[0], reinterpret_cast<uintptr_t>(&&b));
record_parent(reinterpret_cast<uintptr_t>(&&c), reinterpret_cast<uintptr_t>(&&d));
c:
raw_trace_multi_precise_2();
d:;
}
#endif
TEST(RawTrace, MultipleCalls) {
parents.clear();
raw_trace_multi_1();
#ifndef _MSC_VER
raw_trace_multi_precise_1();
#endif
}