#include "pch.h"
using namespace winrt;
using namespace Windows::Foundation;
namespace
{
static bool s_loggerCalled = false;
void FailOnLine15()
{
// Validate that handler translated exception
#line 15 // Force next line to be reported as line number 15
REQUIRE_THROWS_AS(check_hresult(0x80000018), hresult_illegal_delegate_assignment);
}
static struct {
uint32_t lineNumber;
char const* fileName;
char const* functionName;
void* returnAddress;
winrt::hresult result;
} s_loggerArgs{};
void __stdcall logger(uint32_t lineNumber, char const* fileName, char const* functionName, void* returnAddress, winrt::hresult const result) noexcept
{
s_loggerArgs = {
.lineNumber = lineNumber,
.fileName = fileName,
.functionName = functionName,
.returnAddress = returnAddress,
.result = result,
};
s_loggerCalled = true;
}
}
#if defined(_LIBCPP_VERSION) && _LIBCPP_VERSION < 170000
// not available in libc++ before LLVM 16
TEST_CASE("custom_error_logger", "[!shouldfail]")
#else
TEST_CASE("custom_error_logger")
#endif
{
// Set up global handler
REQUIRE(!s_loggerCalled);
REQUIRE(!winrt_throw_hresult_handler);
winrt_throw_hresult_handler = logger;
FailOnLine15();
REQUIRE(s_loggerCalled);
// In C++20 these fields should be filled in by std::source_location
REQUIRE(s_loggerArgs.lineNumber == 15);
const auto fileNameSv = std::string_view(s_loggerArgs.fileName);
REQUIRE(!fileNameSv.empty());
REQUIRE(fileNameSv.find("custom_error.cpp") != std::string::npos);
#ifdef _DEBUG
const auto functionNameSv = std::string_view(s_loggerArgs.functionName);
REQUIRE(!functionNameSv.empty());
// Every compiler has a slightly different naming approach for this function, and even the same
// compiler can change its mind over time. Instead of matching the entire function name just
// match against the part we care about.
REQUIRE((functionNameSv.find("FailOnLine15") != std::string_view::npos));
#else
REQUIRE(s_loggerArgs.functionName == nullptr);
#endif // _DEBUG
REQUIRE(s_loggerArgs.returnAddress);
REQUIRE(s_loggerArgs.result == static_cast(0x80000018)); // E_ILLEGAL_DELEGATE_ASSIGNMENT)
// Remove global handler
winrt_throw_hresult_handler = nullptr;
s_loggerCalled = false;
}