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Add a basic test for traced exception objects

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This commit is contained in:
Jeremy Rifkin 2024-08-18 11:41:38 -05:00
parent 3f68171d0b
commit 0bb5aa2318
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2 changed files with 69 additions and 0 deletions
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1
test/CMakeLists.txt
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@ -84,6 +84,7 @@ if(NOT CPPTRACE_SKIP_UNIT)
unit/object_trace.cpp unit/object_trace.cpp
unit/stacktrace.cpp unit/stacktrace.cpp
unit/from_current.cpp unit/from_current.cpp
unit/traced_exception.cpp
) )
target_compile_features(unittest PRIVATE cxx_std_20) target_compile_features(unittest PRIVATE cxx_std_20)
target_link_libraries(unittest PRIVATE ${target_name} GTest::gtest_main GTest::gmock_main) target_link_libraries(unittest PRIVATE ${target_name} GTest::gtest_main GTest::gmock_main)

68
test/unit/traced_exception.cpp Normal file
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@ -0,0 +1,68 @@
#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;
// NOTE: returning something and then return stacktrace_traced_object_3(line_numbers) * 2; later helps prevent the call from
// being optimized to a jmp
CPPTRACE_FORCE_NO_INLINE int stacktrace_traced_object_3(std::vector<int>& line_numbers) {
line_numbers.insert(line_numbers.begin(), __LINE__ + 1);
throw cpptrace::runtime_error("foobar");
}
CPPTRACE_FORCE_NO_INLINE int stacktrace_traced_object_2(std::vector<int>& line_numbers) {
line_numbers.insert(line_numbers.begin(), __LINE__ + 1);
return stacktrace_traced_object_3(line_numbers) * 2;
}
CPPTRACE_FORCE_NO_INLINE int stacktrace_traced_object_1(std::vector<int>& line_numbers) {
line_numbers.insert(line_numbers.begin(), __LINE__ + 1);
return stacktrace_traced_object_2(line_numbers) * 2;
}
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(), "foobar"sv);
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_THAT(trace.frames[i].filename, testing::EndsWith("traced_exception.cpp"));
EXPECT_EQ(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_THAT(trace.frames[i].filename, testing::EndsWith("traced_exception.cpp"));
EXPECT_EQ(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_THAT(trace.frames[i].filename, testing::EndsWith("traced_exception.cpp"));
EXPECT_EQ(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_THAT(trace.frames[i].filename, testing::EndsWith("traced_exception.cpp"));
EXPECT_EQ(trace.frames[i].line.value(), line_numbers[i]);
EXPECT_THAT(trace.frames[i].symbol, testing::HasSubstr("TracedException_Basic_Test::TestBody"));
}
}