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dolphin/Externals/WIL/tests/SafeCastTests.cpp

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#include <wil/safecast.h>
#include "common.h"
#ifdef WIL_ENABLE_EXCEPTIONS
TEST_CASE("SafeCastTests::SafeCastThrowsTemplateCheck", "[safecast]")
{
// In all cases, a value of '1' should be cast-able to any signed or unsigned integral type without error
SECTION("Unqualified char")
{
char orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
// wil::safe_cast<unsigned char> (orig); // No available conversion in intsafe
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
// wil::safe_cast<unsigned short> (orig); // No available conversion in intsafe
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
// wil::safe_cast<unsigned int> (orig); // No available conversion in intsafe
wil::safe_cast<long> (orig);
// wil::safe_cast<unsigned long> (orig); // No available conversion in intsafe
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
// wil::safe_cast<unsigned __int64> (orig); // No available conversion in intsafe
wil::safe_cast<__int3264> (orig);
// wil::safe_cast<unsigned __int3264>(orig); // No available conversion in intsafe
// wil::safe_cast<wchar_t> (orig); // No available conversion in intsafe
}
SECTION("Signed char")
{
signed char orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
SECTION("Unsigned char")
{
unsigned char orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
SECTION("Unqualified short")
{
short orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
SECTION("Signed short")
{
signed short orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
SECTION("Unsigned short")
{
unsigned short orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
SECTION("Unqualified int")
{
int orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
SECTION("Signed int")
{
signed int orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
SECTION("Unsigned int")
{
unsigned int orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
SECTION("Unqualified long")
{
long orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
SECTION("Unsigned log")
{
unsigned long orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
SECTION("Unqualified int64")
{
__int64 orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
SECTION("Signed int64")
{
signed __int64 orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
SECTION("Unsigned int64")
{
unsigned __int64 orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
SECTION("Unqualified int3264")
{
__int3264 orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
SECTION("Unsigned int3264")
{
unsigned __int3264 orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
SECTION("wchar_t")
{
wchar_t orig = 1;
wil::safe_cast<char> (orig);
wil::safe_cast<signed char> (orig);
wil::safe_cast<unsigned char> (orig);
wil::safe_cast<short> (orig);
wil::safe_cast<signed short> (orig);
wil::safe_cast<unsigned short> (orig);
wil::safe_cast<int> (orig);
wil::safe_cast<signed int> (orig);
wil::safe_cast<unsigned int> (orig);
wil::safe_cast<long> (orig);
wil::safe_cast<unsigned long> (orig);
wil::safe_cast<__int64> (orig);
wil::safe_cast<signed __int64> (orig);
wil::safe_cast<unsigned __int64> (orig);
wil::safe_cast<__int3264> (orig);
wil::safe_cast<unsigned __int3264>(orig);
wil::safe_cast<wchar_t> (orig);
}
}
#endif
TEST_CASE("SafeCastTests::SafeCastFailFastSyntaxCheck", "[safecast]")
{
SECTION("safe_cast_failfast safe")
{
INT i = INT_MAX;
LONG l = wil::safe_cast_failfast<LONG>(i);
REQUIRE(l == INT_MAX);
}
SECTION("safe_cast_failfast unsafe")
{
INT i = 0;
SHORT s = wil::safe_cast_failfast<SHORT>(i);
REQUIRE(s == 0);
}
SECTION("safe_cast_failfast unsafe to wchar_t")
{
INT i = 0;
wchar_t wc = wil::safe_cast_failfast<wchar_t>(i);
REQUIRE(wc == 0);
}
SECTION("safe_cast_failfast unsafe from wchar_t")
{
wchar_t wc = 0;
unsigned char uc = wil::safe_cast_failfast<unsigned char>(wc);
REQUIRE(uc == 0);
}
}
TEST_CASE("SafeCastTests::SafeCastNoThrowSyntaxCheck", "[safecast]")
{
SECTION("safe_cast_nothrow safe")
{
INT i = INT_MAX;
LONG l = wil::safe_cast_nothrow<LONG>(i);
REQUIRE(l == INT_MAX);
}
// safe_cast_nothrow one parameter unsafe, throws compiler error as expected
// {
// __int64 i64 = 0;
// int i = wil::safe_cast_nothrow<int>(i64);
// }
SECTION("safe_cast_nothrow two parameter potentially unsafe due to usage of variable sized types")
{
SIZE_T st = 0;
UINT ui;
auto result = wil::safe_cast_nothrow<UINT>(st, &ui);
REQUIRE_SUCCEEDED(result);
REQUIRE(ui == 0);
}
// safe_cast_nothrow two parameter known safe, throws compiler error as expected
// {
// unsigned char uc = 0;
// unsigned short us;
// auto result = wil::safe_cast_nothrow(uc, &us);
// }
SECTION("safe_cast_nothrow unsafe")
{
INT i = 0;
SHORT s;
auto result = wil::safe_cast_nothrow<SHORT>(i, &s);
REQUIRE_SUCCEEDED(result);
REQUIRE(s == 0);
}
SECTION("safe_cast_nothrow unsafe to wchar_t")
{
INT i = 0;
wchar_t wc;
auto result = wil::safe_cast_nothrow<wchar_t>(i, &wc);
REQUIRE_SUCCEEDED(result);
REQUIRE(wc == 0);
}
SECTION("safe_cast_nothrow unsafe from wchar_t")
{
wchar_t wc = 0;
unsigned char uc;
auto result = wil::safe_cast_nothrow<unsigned char>(wc, &uc);
REQUIRE_SUCCEEDED(result);
REQUIRE(uc == 0);
}
}
TEST_CASE("SafeCastTests::SafeCastNoFailures", "[safecast]")
{
SECTION("INT -> LONG")
{
INT i = INT_MAX;
LONG l = wil::safe_cast_nothrow<LONG>(i);
REQUIRE(l == INT_MAX);
}
SECTION("LONG -> INT")
{
LONG l = LONG_MAX;
INT i = wil::safe_cast_nothrow<INT>(l);
REQUIRE(i == LONG_MAX);
}
SECTION("INT -> UINT")
{
INT i = INT_MAX;
UINT ui = wil::safe_cast_failfast<UINT>(i);
REQUIRE(ui == INT_MAX);
}
SECTION("SIZE_T -> SIZE_T")
{
SIZE_T st = SIZE_T_MAX;
SIZE_T st2 = wil::safe_cast_failfast<SIZE_T>(st);
REQUIRE(st2 == SIZE_T_MAX);
}
SECTION("wchar_t -> uint")
{
wchar_t wc = 0;
UINT ui = wil::safe_cast_failfast<UINT>(wc);
REQUIRE(ui == 0);
}
SECTION("wchar_t -> unsigned char")
{
wchar_t wc = 0;
unsigned char uc = wil::safe_cast_failfast<unsigned char>(wc);
REQUIRE(uc == 0);
auto result = wil::safe_cast_nothrow<unsigned char>(wc, &uc);
REQUIRE_SUCCEEDED(result);
}
SECTION("uint -> wchar_t")
{
UINT ui = 0;
wchar_t wc = wil::safe_cast_failfast<wchar_t>(ui);
REQUIRE(wc == 0);
auto result = wil::safe_cast_nothrow<wchar_t>(ui, &wc);
REQUIRE_SUCCEEDED(result);
}
#ifndef _WIN64
SECTION("SIZE_T -> UINT")
{
SIZE_T st = SIZE_T_MAX;
UINT ui = wil::safe_cast_nothrow<UINT>(st);
REQUIRE(ui == SIZE_T_MAX);
}
#endif
}
TEST_CASE("SafeCastTests::SafeCastNoThrowFail", "[safecast]")
{
SECTION("size_t -> short")
{
size_t st = SIZE_T_MAX;
short s;
REQUIRE_FAILED(wil::safe_cast_nothrow(st, &s));
}
}
#ifdef WIL_ENABLE_EXCEPTIONS
TEST_CASE("SafeCastTests::SafeCastExpectFailFast", "[safecast]")
{
// Template for safe_cast fail fast tests, fill out more instances needed
witest::TestFailureCache failures;
failures.clear();
{
size_t st = SIZE_T_MAX;
REQUIRE_CRASH(wil::safe_cast_failfast<short>(st));
REQUIRE(failures.size() == 1);
}
failures.clear();
{
size_t st = SIZE_T_MAX;
REQUIRE_THROWS(wil::safe_cast<short>(st));
REQUIRE(failures.size() == 1);
}
}
#endif
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