pcsx-redux/third_party/EASTL/test/source/TestAny.cpp
Nicolas 'Pixel' Noble d63f87a7f4 Adding EASTL.
2022-06-29 19:37:35 -07:00

472 lines
11 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Copyright (c) Electronic Arts Inc. All rights reserved.
/////////////////////////////////////////////////////////////////////////////
#include "EASTLTest.h"
#include <EASTL/any.h>
#include <EASTL/vector.h>
#include <EASTL/string.h>
#include <EASTL/numeric.h>
#include <EAStdC/EAString.h>
// SmallTestObject
//
struct SmallTestObject
{
static int mCtorCount;
SmallTestObject() EA_NOEXCEPT { mCtorCount++; }
SmallTestObject(const SmallTestObject&) EA_NOEXCEPT { mCtorCount++; }
SmallTestObject(SmallTestObject&&) EA_NOEXCEPT { mCtorCount++; }
SmallTestObject& operator=(const SmallTestObject&) EA_NOEXCEPT { mCtorCount++; return *this; }
~SmallTestObject() EA_NOEXCEPT { mCtorCount--; }
static void Reset() { mCtorCount = 0; }
static bool IsClear() { return mCtorCount == 0; }
};
int SmallTestObject::mCtorCount = 0;
// RequiresInitList
//
struct RequiresInitList
{
RequiresInitList(std::initializer_list<int> ilist)
: sum(eastl::accumulate(begin(ilist), end(ilist), 0)) {}
int sum;
};
int TestAny()
{
using namespace eastl;
int nErrorCount = 0;
// NOTE(rparolin): Ensure 'any' is at least the size of an eastl::string and an eastl::vector to prevent heap
// allocation of handle objects (objects that point to a heap allocation). This will reduce memory pressure since
// eastl::string will be a commonly used type. We could also test with a vector.
{
static_assert(sizeof(eastl::string) <= sizeof(eastl::any), "ensure that 'any' has enough local memory to store a string");
static_assert(sizeof(eastl::vector<int>) <= sizeof(eastl::any), "ensure that 'any' has enough local memory to store a vector");
}
{
// default construct
any a;
VERIFY(a.has_value() == false);
}
{
// test object ctors & dtors are called for a large object
TestObject::Reset();
{ any a{TestObject()}; }
VERIFY(TestObject::IsClear());
}
{
// test object ctors & dtors are called for a small object
SmallTestObject::Reset();
{ any a{SmallTestObject()}; }
VERIFY(SmallTestObject::IsClear());
}
{
any a(42);
VERIFY(a.has_value() == true);
VERIFY(any_cast<int>(a) == 42);
VERIFY(any_cast<int>(a) != 1337);
any_cast<int&>(a) = 10;
VERIFY(any_cast<int>(a) == 10);
a = 1.f;
any_cast<float&>(a) = 1337.f;
VERIFY(any_cast<float>(a) == 1337.f);
a = 4343;
VERIFY(any_cast<int>(a) == 4343);
a = string("hello world");
VERIFY(any_cast<string>(a) == "hello world");
VERIFY(any_cast<string&>(a) == "hello world");
}
{
struct custom_type { int data; };
any a = custom_type{};
any_cast<custom_type&>(a).data = 42;
VERIFY(any_cast<custom_type>(a).data == 42);
}
{
any a = 42;
VERIFY(any_cast<int>(a) == 42);
#if EASTL_EXCEPTIONS_ENABLED
int throwCount = 0;
try { VERIFY(any_cast<short>(a) == 42); }
catch (bad_any_cast) { throwCount++; }
VERIFY(throwCount != 0);
#endif
}
{
vector<any> va = {42, 'a', 42.f, 3333u, 4444ul, 5555ull, 6666.0};
VERIFY(any_cast<int>(va[0]) == 42);
VERIFY(any_cast<char>(va[1]) == 'a');
VERIFY(any_cast<float>(va[2]) == 42.f);
VERIFY(any_cast<unsigned>(va[3]) == 3333u);
VERIFY(any_cast<unsigned long>(va[4]) == 4444ul);
VERIFY(any_cast<unsigned long long>(va[5]) == 5555ull);
VERIFY(any_cast<double>(va[6]) == 6666.0);
}
{
any a(string("test string"));
VERIFY(a.has_value());
VERIFY(any_cast<string>(a) == "test string");
}
{
vector<any> va = {42, string("rob"), 'a', 42.f};
VERIFY(any_cast<int>(va[0]) == 42);
VERIFY(any_cast<string>(va[1]) == "rob");
VERIFY(any_cast<char>(va[2]) == 'a');
VERIFY(any_cast<float>(va[3]) == 42.f);
}
{
vector<any> va;
va.push_back(42);
va.push_back(string("rob"));
va.push_back('a');
va.push_back(42.f);
VERIFY(any_cast<int>(va[0]) == 42);
VERIFY(any_cast<string>(va[1]) == "rob");
VERIFY(any_cast<char>(va[2]) == 'a');
VERIFY(any_cast<float>(va[3]) == 42.f);
}
// NOTE(rparolin): Replaces a small 'any' object with a large one and make sure it doesn't corrupt
// the surrounding memory in the vector.
{
TestObject::Reset();
{
vector<any> va = {42, 'a', 42.f, 3333u, 4444ul, 5555ull, 6666.0};
VERIFY(any_cast<int>(va[0]) == 42);
VERIFY(any_cast<char>(va[1]) == 'a');
VERIFY(any_cast<float>(va[2]) == 42.f);
VERIFY(any_cast<unsigned>(va[3]) == 3333u);
VERIFY(any_cast<unsigned long>(va[4]) == 4444ul);
VERIFY(any_cast<unsigned long long>(va[5]) == 5555ull);
VERIFY(any_cast<double>(va[6]) == 6666.0);
va[3] = TestObject(3333); // replace a small integral with a large heap allocated object.
VERIFY(any_cast<int>(va[0]) == 42);
VERIFY(any_cast<char>(va[1]) == 'a');
VERIFY(any_cast<float>(va[2]) == 42.f);
VERIFY(any_cast<TestObject>(va[3]).mX == 3333); // not 3333u because TestObject ctor takes a signed type.
VERIFY(any_cast<unsigned long>(va[4]) == 4444ul);
VERIFY(any_cast<unsigned long long>(va[5]) == 5555ull);
VERIFY(any_cast<double>(va[6]) == 6666.0);
}
VERIFY(TestObject::IsClear());
}
{
any a(string("test string"));
VERIFY(a.has_value());
a.reset();
VERIFY(!a.has_value());
}
{
any a1 = 42;
any a2 = a1;
VERIFY(a1.has_value());
VERIFY(a2.has_value());
VERIFY(any_cast<int>(a1) == any_cast<int>(a2));
}
{
any a1;
VERIFY(!a1.has_value());
{
any a2(string("test string"));
a1 = any_cast<string>(a2);
VERIFY(a1.has_value());
}
VERIFY(any_cast<string>(a1) == "test string");
VERIFY(a1.has_value());
}
{
any a1;
VERIFY(!a1.has_value());
{
any a2(string("test string"));
a1 = a2;
VERIFY(a1.has_value());
}
VERIFY(any_cast<string&>(a1) == "test string");
VERIFY(a1.has_value());
}
// swap tests
{
{
any a1 = 42;
any a2 = 24;
VERIFY(any_cast<int>(a1) == 42);
VERIFY(any_cast<int>(a2) == 24);
a1.swap(a2);
VERIFY(any_cast<int>(a1) == 24);
VERIFY(any_cast<int>(a2) == 42);
eastl::swap(a1, a2);
VERIFY(any_cast<int>(a1) == 42);
VERIFY(any_cast<int>(a2) == 24);
}
{
any a1 = string("hello");
any a2 = string("world");
VERIFY(any_cast<string>(a1) == "hello");
VERIFY(any_cast<string>(a2) == "world");
a1.swap(a2);
VERIFY(any_cast<string>(a1) == "world");
VERIFY(any_cast<string>(a2) == "hello");
eastl::swap(a1, a2);
VERIFY(any_cast<string>(a1) == "hello");
VERIFY(any_cast<string>(a2) == "world");
}
}
#if EASTL_RTTI_ENABLED
{
#if defined(EA_COMPILER_MSVC)
VERIFY(EA::StdC::Strcmp(any(42).type().name(), "int") == 0);
VERIFY(EA::StdC::Strcmp(any(42.f).type().name(), "float") == 0);
VERIFY(EA::StdC::Strcmp(any(42u).type().name(), "unsigned int") == 0);
VERIFY(EA::StdC::Strcmp(any(42ul).type().name(), "unsigned long") == 0);
VERIFY(EA::StdC::Strcmp(any(42l).type().name(), "long") == 0);
#elif defined(EA_COMPILER_CLANG) || defined(EA_COMPILER_GNUC)
VERIFY(EA::StdC::Strcmp(any(42).type().name(), "i") == 0);
VERIFY(EA::StdC::Strcmp(any(42.f).type().name(), "f") == 0);
VERIFY(EA::StdC::Strcmp(any(42u).type().name(), "j") == 0);
VERIFY(EA::StdC::Strcmp(any(42ul).type().name(), "m") == 0);
VERIFY(EA::StdC::Strcmp(any(42l).type().name(), "l") == 0);
#endif
}
#endif
// emplace, small object tests
{
any a;
a.emplace<int>(42);
VERIFY(a.has_value());
VERIFY(any_cast<int>(a) == 42);
a.emplace<short>((short)8); // no way to define a short literal we must cast here.
VERIFY(any_cast<short>(a) == 8);
VERIFY(a.has_value());
a.reset();
VERIFY(!a.has_value());
}
// emplace, large object tests
{
TestObject::Reset();
{
any a;
a.emplace<TestObject>();
VERIFY(a.has_value());
}
VERIFY(TestObject::IsClear());
}
// emplace, initializer_list
{
{
any a;
a.emplace<RequiresInitList>(std::initializer_list<int>{1,2,3,4,5,6});
VERIFY(a.has_value());
VERIFY(any_cast<RequiresInitList>(a).sum == 21);
}
}
// equivalence tests
{
any a, b;
VERIFY(!a.has_value() == !b.has_value());
#if EASTL_EXCEPTIONS_ENABLED
int bad_any_cast_thrown = 0;
try
{
VERIFY(any_cast<int>(a) == any_cast<int>(b));
}
catch (eastl::bad_any_cast)
{
bad_any_cast_thrown++;
}
VERIFY(bad_any_cast_thrown != 0);
#endif
a = 42; b = 24;
VERIFY(any_cast<int>(a) != any_cast<int>(b));
VERIFY(a.has_value() == b.has_value());
a = 42; b = 42;
VERIFY(any_cast<int>(a) == any_cast<int>(b));
VERIFY(a.has_value() == b.has_value());
}
// move tests
{
any a = string("hello world");
VERIFY(any_cast<string&>(a) == "hello world");
auto s = move(any_cast<string&>(a)); // move string out
VERIFY(s == "hello world");
VERIFY(any_cast<string&>(a).empty());
any_cast<string&>(a) = move(s); // move string in
VERIFY(any_cast<string&>(a) == "hello world");
}
// nullptr tests
{
any* a = nullptr;
VERIFY(any_cast<int>(a) == nullptr);
VERIFY(any_cast<short>(a) == nullptr);
VERIFY(any_cast<long>(a) == nullptr);
VERIFY(any_cast<string>(a) == nullptr);
any b;
VERIFY(any_cast<short>(&b) == nullptr);
VERIFY(any_cast<const short>(&b) == nullptr);
VERIFY(any_cast<volatile short>(&b) == nullptr);
VERIFY(any_cast<const volatile short>(&b) == nullptr);
VERIFY(any_cast<short*>(&b) == nullptr);
VERIFY(any_cast<const short*>(&b) == nullptr);
VERIFY(any_cast<volatile short*>(&b) == nullptr);
VERIFY(any_cast<const volatile short*>(&b) == nullptr);
}
// Aligned type tests
{
{
any a = Align16(1337);
VERIFY(any_cast<Align16>(a) == Align16(1337));
}
{
any a = Align32(1337);
VERIFY(any_cast<Align32>(a) == Align32(1337));
}
{
any a = Align64(1337);
VERIFY(any_cast<Align64>(a) == Align64(1337));
}
}
// make_any
{
{
auto a = make_any<int>(42);
VERIFY(any_cast<int>(a) == 42);
}
{
auto a = make_any<RequiresInitList>(std::initializer_list<int>{1,2,3,4,5,6,7,8});
VERIFY(any_cast<RequiresInitList&>(a).sum == 36);
}
}
// user reported regression that eastl::any constructor was not decaying the deduced type correctly.
{
float f = 42.f;
eastl::any a(f);
VERIFY(any_cast<float>(a) == 42.f);
}
//testing unsafe operations
{
eastl::any a = 1;
int* i = eastl::any_cast<int>(&a);
VERIFY((*i) == 1);
a = 2;
int *j = (int*)eastl::unsafe_any_cast<void>(&a);
VERIFY((*j) == 2);
const eastl::any b = 3;
const void * p = eastl::unsafe_any_cast<void>(&b);
void *q = const_cast<void *>(p);
int *r = static_cast<int *>(q);
VERIFY((*r) == 3);
}
// user regression when calling the assignment operator
{
{
eastl::any a1;
eastl::any a2;
VERIFY(a1.has_value() == false);
VERIFY(a2.has_value() == false);
a1 = a2;
VERIFY(a1.has_value() == false);
VERIFY(a2.has_value() == false);
}
{
eastl::any a1 = 42;
eastl::any a2;
VERIFY(a1.has_value() == true);
VERIFY(a2.has_value() == false);
a1 = a2;
VERIFY(a1.has_value() == false);
VERIFY(a2.has_value() == false);
}
{
eastl::any a1;
eastl::any a2 = 42;
VERIFY(a1.has_value() == false);
VERIFY(a2.has_value() == true);
a1 = a2;
VERIFY(a1.has_value() == true);
VERIFY(a2.has_value() == true);
VERIFY(any_cast<int>(a1) == 42);
VERIFY(any_cast<int>(a2) == 42);
}
}
return nErrorCount;
}