dolphin/Externals/WIL/tests/CppWinRTTests.cpp

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

145 lines
3.7 KiB
C++
Raw Normal View History

2019-10-31 23:09:52 +00:00
#include <wil/cppwinrt.h>
#include "catch.hpp"
// HRESULT values that C++/WinRT throws as something other than winrt::hresult_error - e.g. a type derived from
// winrt::hresult_error, std::*, etc.
static const HRESULT cppwinrt_mapped_hresults[] =
{
E_ACCESSDENIED,
RPC_E_WRONG_THREAD,
E_NOTIMPL,
E_INVALIDARG,
E_BOUNDS,
E_NOINTERFACE,
CLASS_E_CLASSNOTAVAILABLE,
E_CHANGED_STATE,
E_ILLEGAL_METHOD_CALL,
E_ILLEGAL_STATE_CHANGE,
E_ILLEGAL_DELEGATE_ASSIGNMENT,
HRESULT_FROM_WIN32(ERROR_CANCELLED),
E_OUTOFMEMORY,
};
TEST_CASE("CppWinRTTests::WilToCppWinRTExceptionTranslationTest", "[cppwinrt]")
{
auto test = [](HRESULT hr)
{
try
{
THROW_HR(hr);
}
catch (...)
{
REQUIRE(hr == winrt::to_hresult());
}
};
for (auto hr : cppwinrt_mapped_hresults)
{
test(hr);
}
// A non-mapped HRESULT
test(E_UNEXPECTED);
}
TEST_CASE("CppWinRTTests::CppWinRTToWilExceptionTranslationTest", "[cppwinrt]")
{
auto test = [](HRESULT hr)
{
try
{
winrt::check_hresult(hr);
}
catch (...)
{
REQUIRE(hr == wil::ResultFromCaughtException());
}
};
for (auto hr : cppwinrt_mapped_hresults)
{
test(hr);
}
// A non-mapped HRESULT
test(E_UNEXPECTED);
}
TEST_CASE("CppWinRTTests::ResultFromExceptionDebugTest", "[cppwinrt]")
{
auto test = [](HRESULT hr, wil::SupportedExceptions supportedExceptions)
{
auto result = wil::ResultFromExceptionDebug(WI_DIAGNOSTICS_INFO, supportedExceptions, [&]()
{
winrt::check_hresult(hr);
});
REQUIRE(hr == result);
};
for (auto hr : cppwinrt_mapped_hresults)
{
test(hr, wil::SupportedExceptions::Known);
test(hr, wil::SupportedExceptions::All);
}
// A non-mapped HRESULT
test(E_UNEXPECTED, wil::SupportedExceptions::Known);
test(E_UNEXPECTED, wil::SupportedExceptions::All);
// Uncomment any of the following to validate SEH failfast
//test(E_UNEXPECTED, wil::SupportedExceptions::None);
//test(E_ACCESSDENIED, wil::SupportedExceptions::Thrown);
//test(E_INVALIDARG, wil::SupportedExceptions::ThrownOrAlloc);
}
TEST_CASE("CppWinRTTests::CppWinRTConsistencyTest", "[cppwinrt]")
{
// Since setting 'winrt_to_hresult_handler' opts us into _all_ C++/WinRT exception translation handling, we need to
// make sure that we preserve behavior, at least with 'check_hresult', especially when C++/WinRT maps a particular
// HRESULT value to a different exception type
auto test = [](HRESULT hr)
{
try
{
winrt::check_hresult(hr);
}
catch (...)
{
REQUIRE(hr == winrt::to_hresult());
}
};
for (auto hr : cppwinrt_mapped_hresults)
{
test(hr);
}
// A non-mapped HRESULT
test(E_UNEXPECTED);
// C++/WinRT also maps a few std::* exceptions to various HRESULTs. We should preserve this behavior
try
{
throw std::out_of_range("oopsie");
}
catch (...)
{
REQUIRE(winrt::to_hresult() == E_BOUNDS);
}
try
{
throw std::invalid_argument("daisy");
}
catch (...)
{
REQUIRE(winrt::to_hresult() == E_INVALIDARG);
}
// NOTE: C++/WinRT maps other 'std::exception' derived exceptions to E_FAIL, however we preserve the WIL behavior
// that such exceptions become HRESULT_FROM_WIN32(ERROR_UNHANDLED_EXCEPTION)
}