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Add exception handling to with test macro #5

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Add exception handling to with test macro #5

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dfc161e
Add exception handling to with test macro
Aug 13, 2024
d2bb62e
Fix forgotten test_end event raising
Aug 13, 2024
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32 changes: 31 additions & 1 deletion ut
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Original file line number Diff line number Diff line change
Expand Up @@ -641,6 +641,13 @@ template <class...> inline auto cfg = default_cfg{};
<!--
#endif

#if __cpp_exceptions < 199711L
#define UT_NO_EXCEPTIONS
#else
#include <exception>
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would it be possible not to rely on stl, can we just do throw and catch (const auto& ex) requires requires { ex.waht(); }?

#include <stdexcept>
#endif

#pragma once

namespace ut::inline v2_1_2 {
Expand Down Expand Up @@ -673,6 +680,7 @@ template<mode Mode> struct test_begin { const char* file_name{}; int line{}; con
template<mode Mode> struct test_end { const char* file_name{}; int line{}; const char* name{}; enum { FAILED, PASSED, COMPILE_TIME } result{}; };
template<class TExpr> struct assert_pass { const char* file_name{}; int line{}; TExpr expr{}; };
template<class TExpr> struct assert_fail { const char* file_name{}; int line{}; TExpr expr{}; };
struct exception_fail { const char* file_name{}; int line{}; const char* name{}; const char* except{}; };
struct fatal { };
template<class TMsg> struct log { const TMsg& msg; bool result{}; };
struct summary { enum { FAILED, PASSED, COMPILE_TIME }; unsigned asserts[2]{}; /* FAILED, PASSED */ unsigned tests[3]{}; /* FAILED, PASSED, COMPILE_TIME */ };
Expand All @@ -691,6 +699,10 @@ class outputter {
os << event.file_name << ':' << event.line << ':' << "FAILED:" << '\"' << current_test.name << "\": " << event.expr;
}
}
constexpr auto on(const events::exception_fail& event) {
if (initial_new_line == '\n') { os << initial_new_line; } else { initial_new_line = '\n'; }
os << event.file_name << ':' <<event.line << ':' << "EXCEPTION: " << '\"' << current_test.name << "\": " << event.except << "\n";
}
constexpr auto on(const events::fatal&) { }
template<class TMsg> constexpr auto on(const events::log<TMsg>& event) {
if (!__builtin_is_constant_evaluated() && !event.result) {
Expand Down Expand Up @@ -744,6 +756,10 @@ struct reporter {
++summary.asserts[events::summary::FAILED];
outputter.on(event);
}
constexpr auto on(const events::exception_fail& event) {
++summary.asserts[events::summary::FAILED];
outputter.on(event);
}
constexpr auto on(const events::fatal& event) {
++summary.tests[events::summary::FAILED];
outputter.on(event);
Expand Down Expand Up @@ -787,7 +803,21 @@ struct runner {

#ifndef UT_COMPILE_TIME_ONLY
reporter.on(events::test_begin<events::mode::run_time>{file_name, line, name});
test();
#ifndef UT_NO_EXCEPTIONS
try {
#endif
test();
#ifndef UT_NO_EXCEPTIONS
} catch (const char* string) {
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can't we just catch anything which either has what or is printable?

reporter.on(events::exception_fail{ file_name, line, name, string });
} catch(...) {
try {
std::rethrow_exception(std::current_exception());
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I don't think I follow why rethrow is required here, could you elaborate? my initial thought is that catching exception would be the same but I guess I'm missing something?

} catch (const std::exception& ex) {
reporter.on(events::exception_fail{ file_name, line, name, ex.what() });
}
}
#endif
reporter.on(events::test_end<events::mode::run_time>{file_name, line, name});
#endif
}
Expand Down