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dolphin/Externals/WIL/tests/CppWinRTTests.cpp

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#include <wil/cppwinrt.h>
#include <winrt/Windows.Foundation.h>
#include <winrt/Windows.Foundation.Collections.h>
#include <wil/cppwinrt_helpers.h>
#include <winrt/Windows.System.h>
#include <wil/cppwinrt_helpers.h> // Verify can include a second time to unlock more features
#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,
};
template<typename T> auto copy_thing(T const& src)
{
return std::decay_t<T>(src);
}
template<typename T, typename K>
void CheckMapVector(std::vector<winrt::Windows::Foundation::Collections::IKeyValuePair<T, K>> const& test, std::map<T, K> const& src)
{
REQUIRE(test.size() == src.size());
for (auto&& i : test)
{
REQUIRE(i.Value() == src.at(i.Key()));
}
}
struct vector_like
{
uint32_t Size() const { return 100; }
int GetAt(uint32_t) const { return 15; }
uint32_t GetMany(uint32_t start, winrt::array_view<int> items) const
{
if (start > 0)
{
throw winrt::hresult_out_of_bounds();
}
uint32_t const to_fill = (std::min)(items.size(), Size());
std::fill_n(items.begin(), to_fill, GetAt(0));
return to_fill;
}
};
struct iterator_like
{
static const uint32_t total = 20;
mutable uint32_t remaining = total;
int Current() const { return 3; }
uint32_t GetMany(winrt::array_view<int> items) const
{
auto to_copy = (std::min)(items.size(), remaining);
std::fill_n(items.begin(), to_copy, Current());
remaining -= to_copy;
return to_copy;
}
};
struct iterable_like
{
auto First() const { return iterator_like{}; }
};
struct unstable_vector : winrt::implements<unstable_vector, winrt::Windows::Foundation::Collections::IVectorView<int>>
{
auto Size() { return 4; }
int GetAt(uint32_t) { return 7; }
uint32_t GetMany(uint32_t, winrt::array_view<int> items)
{
std::fill(items.begin(), items.end(), GetAt(0));
return items.size();
}
bool IndexOf(int, uint32_t) { throw winrt::hresult_not_implemented(); }
};
TEST_CASE("CppWinRTTests::VectorToVector", "[cppwinrt]")
{
winrt::init_apartment();
{
std::vector<winrt::hstring> src_vector = { L"foo", L"bar", L"bas" };
auto sv = winrt::single_threaded_vector(copy_thing(src_vector));
REQUIRE(wil::to_vector(sv) == src_vector);
REQUIRE(wil::to_vector(sv.GetView()) == src_vector);
REQUIRE(wil::to_vector(sv.First()) == src_vector);
REQUIRE(wil::to_vector(sv.First()) == src_vector);
REQUIRE(wil::to_vector(sv.as<winrt::Windows::Foundation::Collections::IIterable<winrt::hstring>>()) == src_vector);
}
{
std::vector<uint32_t> src_vector = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 };
auto sv = winrt::single_threaded_vector(copy_thing(src_vector));
REQUIRE(wil::to_vector(sv) == src_vector);
REQUIRE(wil::to_vector(sv.GetView()) == src_vector);
REQUIRE(wil::to_vector(sv.First()) == src_vector);
REQUIRE(wil::to_vector(sv.as<winrt::Windows::Foundation::Collections::IIterable<uint32_t>>()) == src_vector);
}
{
std::vector<float> src_vector;
auto sv = winrt::single_threaded_vector(copy_thing(src_vector));
REQUIRE(wil::to_vector(sv) == src_vector);
REQUIRE(wil::to_vector(sv.GetView()) == src_vector);
REQUIRE(wil::to_vector(sv.First()) == src_vector);
REQUIRE(wil::to_vector(sv.as<winrt::Windows::Foundation::Collections::IIterable<float>>()) == src_vector);
}
{
std::map<winrt::hstring, winrt::hstring> src_map{{L"kittens", L"fluffy"}, {L"puppies", L"cute"}};
auto sm = winrt::single_threaded_map(copy_thing(src_map));
CheckMapVector(wil::to_vector(sm), src_map);
CheckMapVector(wil::to_vector(sm.GetView()), src_map);
CheckMapVector(wil::to_vector(sm.First()), src_map);
}
{
winrt::Windows::Foundation::Collections::PropertySet props;
props.Insert(L"kitten", winrt::box_value(L"fluffy"));
props.Insert(L"puppy", winrt::box_value<uint32_t>(25));
auto converted = wil::to_vector(props);
REQUIRE(converted.size() == props.Size());
for (auto&& kv : converted)
{
if (kv.Key() == L"kitten")
{
REQUIRE(kv.Value().as<winrt::hstring>() == L"fluffy");
}
else if (kv.Key() == L"puppy")
{
REQUIRE(kv.Value().as<uint32_t>() == 25);
}
else
{
REQUIRE(false);
}
}
}
REQUIRE_THROWS(wil::to_vector(winrt::make<unstable_vector>()));
auto ilike = wil::to_vector(iterable_like{});
REQUIRE(ilike.size() == iterator_like::total);
for (auto&& i : ilike) REQUIRE(i == iterator_like{}.Current());
auto vlike = wil::to_vector(vector_like{});
REQUIRE(vlike.size() == vector_like{}.Size());
for (auto&& i : vlike) REQUIRE(i == vector_like{}.GetAt(0));
winrt::clear_factory_cache();
winrt::uninit_apartment();
}
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)
}
TEST_CASE("CppWinRTTests::ModuleReference", "[cppwinrt]")
{
auto peek_module_ref_count = []()
{
++winrt::get_module_lock();
return --winrt::get_module_lock();
};
auto initial = peek_module_ref_count();
// Basic test: Construct and destruct.
{
auto module_ref = wil::winrt_module_reference();
REQUIRE(peek_module_ref_count() == initial + 1);
}
REQUIRE(peek_module_ref_count() == initial);
// Fancy test: Copy object with embedded reference.
{
struct object_with_ref
{
wil::winrt_module_reference ref;
};
object_with_ref o1;
REQUIRE(peek_module_ref_count() == initial + 1);
auto o2 = o1;
REQUIRE(peek_module_ref_count() == initial + 2);
o1 = o2;
REQUIRE(peek_module_ref_count() == initial + 2);
o2 = std::move(o1);
REQUIRE(peek_module_ref_count() == initial + 2);
}
REQUIRE(peek_module_ref_count() == initial);
}
#if (!defined(__clang__) && defined(__cpp_lib_coroutine) && (__cpp_lib_coroutine >= 201902L)) || defined(_RESUMABLE_FUNCTIONS_SUPPORTED)
// Define our own custom dispatcher that we can force it to behave in certain ways.
// wil::resume_foreground supports any dispatcher that has a dispatcher_traits.
namespace test
{
enum class TestDispatcherPriority
{
Normal = 0,
Weird = 1,
};
using TestDispatcherHandler = winrt::delegate<>;
enum class TestDispatcherMode
{
Dispatch,
RaceDispatch,
Orphan,
Fail,
};
struct TestDispatcher
{
TestDispatcher() = default;
TestDispatcher(TestDispatcher const&) = delete;
TestDispatcherMode mode = TestDispatcherMode::Dispatch;
TestDispatcherPriority expected_priority = TestDispatcherPriority::Normal;
void TryEnqueue(TestDispatcherPriority priority, TestDispatcherHandler const& handler) const
{
REQUIRE(priority == expected_priority);
if (mode == TestDispatcherMode::Fail)
{
throw winrt::hresult_not_implemented();
}
if (mode == TestDispatcherMode::RaceDispatch)
{
handler();
return;
}
std::ignore = [](auto mode, auto handler) ->winrt::fire_and_forget
{
co_await winrt::resume_background();
if (mode == TestDispatcherMode::Dispatch)
{
handler();
}
}(mode, handler);
}
};
}
namespace wil::details
{
template<>
struct dispatcher_traits<test::TestDispatcher>
{
using Priority = test::TestDispatcherPriority;
using Handler = test::TestDispatcherHandler;
using Scheduler = dispatcher_TryEnqueue;
};
}
TEST_CASE("CppWinRTTests::ResumeForegroundTests", "[cppwinrt]")
{
// Verify that the DispatcherQueue version has been unlocked.
using Verify = decltype(wil::resume_foreground(winrt::Windows::System::DispatcherQueue{ nullptr }));
static_assert(wistd::is_trivial_v<Verify> || !wistd::is_trivial_v<Verify>);
[]() -> winrt::Windows::Foundation::IAsyncAction
{
test::TestDispatcher dispatcher;
// Normal case: Resumes on new thread.
dispatcher.mode = test::TestDispatcherMode::Dispatch;
co_await wil::resume_foreground(dispatcher);
// Race case: Resumes before TryEnqueue returns.
dispatcher.mode = test::TestDispatcherMode::RaceDispatch;
co_await wil::resume_foreground(dispatcher);
// Orphan case: Never resumes, detected when handler is destructed without ever being invoked.
dispatcher.mode = test::TestDispatcherMode::Orphan;
bool seen = false;
try
{
co_await wil::resume_foreground(dispatcher);
}
catch (winrt::hresult_error const& e)
{
seen = e.code() == HRESULT_FROM_WIN32(HRESULT_FROM_WIN32(ERROR_NO_TASK_QUEUE));
}
REQUIRE(seen);
// Fail case: Can't even schedule the resumption.
dispatcher.mode = test::TestDispatcherMode::Fail;
seen = false;
try
{
co_await wil::resume_foreground(dispatcher);
}
catch (winrt::hresult_not_implemented const&)
{
seen = true;
}
REQUIRE(seen);
// Custom priority.
dispatcher.mode = test::TestDispatcherMode::Dispatch;
dispatcher.expected_priority = test::TestDispatcherPriority::Weird;
co_await wil::resume_foreground(dispatcher, test::TestDispatcherPriority::Weird);
}().get();
}
#endif // coroutines
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