#include "pch.h"

#include "winrt/test_component.h"

using namespace winrt;

using namespace Windows::Foundation;

using namespace test_component;

namespace

{

struct Value : implements<Value, IStringable>

{

Value(int32_t value) :

m_value(value)

{

}

hstring ToString()

{

return hstring{ std::to_wstring(m_value) };

}

private:

int32_t m_value{};

};

}

TEST_CASE("in_params")

{

Class object;

REQUIRE(object.InInt32(123) == L"123");

REQUIRE(object.InString(L"123") == L"123");

REQUIRE(object.InObject(make<Value>(123)) == L"123");

REQUIRE(object.InStringable(make<Value>(123)) == L"123");

REQUIRE(object.InStruct({ L"1", L"2" }) == L"12");

REQUIRE(object.InStructRef({ L"1", L"2" }) == L"12ref");

REQUIRE(object.InEnum(Signed::First) == L"First");

REQUIRE(object.InInt32Array({ 1,2 }) == L"12");

REQUIRE(object.InStringArray({ L"1", L"2" }) == L"12");

REQUIRE(object.InObjectArray({ make<Value>(1), make<Value>(2) }) == L"12");

REQUIRE(object.InStringableArray({ make<Value>(1), make<Value>(2) }) == L"12");

REQUIRE(object.InStructArray({ {L"1",L"2"}, {L"3",L"4"} }) == L"1234");

REQUIRE(object.InEnumArray({ Signed::First, Signed::Second }) == L"FirstSecond");

// Ensure 0-length arrays are passed as non-null pointers to the ABI,

// in order to keep RPC happy.

REQUIRE(object.InInt32Array({ }) == L"");

REQUIRE(object.InStringArray({ }) == L"");

REQUIRE(object.InObjectArray({ }) == L"");

REQUIRE(object.InStringableArray({ }) == L"");

REQUIRE(object.InStructArray({ }) == L"");

REQUIRE(object.InEnumArray({ }) == L"");

// params::hstring optimizations

REQUIRE(object.InString(L"") == L"");

REQUIRE(object.InString({}) == L"");

wchar_t non_const_string[1] = { L'\0' };

REQUIRE(object.InString(non_const_string) == L"");

}