119 lines
4.2 KiB
C++
119 lines
4.2 KiB
C++
#include <random>
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#include <vector>
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#include <gtest/gtest.h>
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#include <gtest/gtest-matchers.h>
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#include <gmock/gmock.h>
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#include <gmock/gmock-matchers.h>
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#include <cpptrace/cpptrace.hpp>
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#include "common.hpp"
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using namespace std::literals;
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TEST(ObjectTrace, Empty) {
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cpptrace::object_trace empty;
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EXPECT_TRUE(empty.empty());
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EXPECT_EQ(empty.resolve().to_string(), "Stack trace (most recent call first):\n<empty trace>\n");
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}
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CPPTRACE_FORCE_NO_INLINE void object_basic() {
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static volatile int lto_guard; lto_guard = lto_guard + 1;
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auto trace = cpptrace::generate_object_trace();
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EXPECT_FALSE(trace.empty());
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EXPECT_NE(trace.frames[0].raw_address, 0);
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EXPECT_NE(trace.frames[0].object_address, 0);
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EXPECT_THAT(trace.frames[0].object_path, testing::HasSubstr("unittest"));
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}
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TEST(ObjectTrace, Basic) {
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object_basic();
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}
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CPPTRACE_FORCE_NO_INLINE void object_basic_resolution() {
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static volatile int lto_guard; lto_guard = lto_guard + 1;
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auto line = __LINE__ + 1;
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auto trace = cpptrace::generate_object_trace().resolve();
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ASSERT_GE(trace.frames.size(), 1);
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EXPECT_FILE(trace.frames[0].filename, "object_trace.cpp");
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EXPECT_EQ(trace.frames[0].line.value(), line);
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EXPECT_THAT(trace.frames[0].symbol, testing::HasSubstr("object_basic_resolution"));
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}
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TEST(ObjectTrace, BasicResolution) {
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object_basic();
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}
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// TODO: dbghelp uses raw address, not object
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#ifndef _MSC_VER
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CPPTRACE_FORCE_NO_INLINE int object_resolve_3(std::vector<int>& line_numbers) {
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static volatile int lto_guard; lto_guard = lto_guard + 1;
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line_numbers.insert(line_numbers.begin(), __LINE__ + 1);
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auto dummy = cpptrace::generate_trace();
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auto dummy_otrace = cpptrace::generate_object_trace();
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cpptrace::object_trace otrace;
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otrace.frames.push_back(
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cpptrace::object_frame{0, dummy.frames[0].object_address, dummy_otrace.frames[0].object_path}
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);
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otrace.frames.push_back(
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cpptrace::object_frame{0, dummy.frames[1].object_address, dummy_otrace.frames[1].object_path}
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);
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otrace.frames.push_back(
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cpptrace::object_frame{0, dummy.frames[2].object_address, dummy_otrace.frames[2].object_path}
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);
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otrace.frames.push_back(
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cpptrace::object_frame{0, dummy.frames[3].object_address, dummy_otrace.frames[3].object_path}
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);
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auto trace = otrace.resolve();
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if(trace.frames.size() < 4) {
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ADD_FAILURE() << "trace.frames.size() >= 4";
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return 2;
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}
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int i = 0;
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EXPECT_FILE(trace.frames[i].filename, "object_trace.cpp");
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EXPECT_LINE(trace.frames[i].line.value(), line_numbers[i]);
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EXPECT_THAT(trace.frames[i].symbol, testing::HasSubstr("object_resolve_3"));
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i++;
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EXPECT_FILE(trace.frames[i].filename, "object_trace.cpp");
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EXPECT_LINE(trace.frames[i].line.value(), line_numbers[i]);
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EXPECT_THAT(trace.frames[i].symbol, testing::HasSubstr("object_resolve_2"));
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i++;
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EXPECT_FILE(trace.frames[i].filename, "object_trace.cpp");
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EXPECT_LINE(trace.frames[i].line.value(), line_numbers[i]);
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EXPECT_THAT(trace.frames[i].symbol, testing::HasSubstr("object_resolve_1"));
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i++;
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EXPECT_FILE(trace.frames[i].filename, "object_trace.cpp");
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EXPECT_LINE(trace.frames[i].line.value(), line_numbers[i]);
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EXPECT_THAT(trace.frames[i].symbol, testing::HasSubstr("ObjectTrace_Resolution_Test::TestBody"));
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return 2;
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}
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// NOTE: returning something and then return stacktrace_multi_3(line_numbers) * rand(); is done to prevent TCO even
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// under LTO https://github.com/jeremy-rifkin/cpptrace/issues/179#issuecomment-2467302052
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CPPTRACE_FORCE_NO_INLINE int object_resolve_2(std::vector<int>& line_numbers) {
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static volatile int lto_guard; lto_guard = lto_guard + 1;
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line_numbers.insert(line_numbers.begin(), __LINE__ + 1);
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return object_resolve_3(line_numbers) * rand();
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}
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CPPTRACE_FORCE_NO_INLINE int object_resolve_1(std::vector<int>& line_numbers) {
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static volatile int lto_guard; lto_guard = lto_guard + 1;
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line_numbers.insert(line_numbers.begin(), __LINE__ + 1);
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return object_resolve_2(line_numbers) * rand();
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}
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TEST(ObjectTrace, Resolution) {
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std::vector<int> line_numbers;
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line_numbers.insert(line_numbers.begin(), __LINE__ + 1);
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object_resolve_1(line_numbers);
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}
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#endif
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