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// license:BSD-3-Clause
// copyright-holders:Couriersud
///
/// \file test_pmfp_multibase.cpp
///
/// tests for plib::pmfp
///
#include "plib/ptypes.h"
#include "plib/pexception.h"
#include "plib/ppmf.h"
#include <utility>
#include <memory>
#include <type_traits>
#include <typeinfo>
#include <iostream>
template <class F, class S>
typename std::enable_if_t<!plib::has_ostream_operator<std::basic_ostream<char>, std::pair<F, S>>::value, std::basic_ostream<char>&>
operator << (std::basic_ostream<char>& os, const std::pair<F, S> &p)
{
os << "{ " << p.first << ", " << p.second << " }";
return os;
}
#include "plib/ptests.h"
template <class T>
typename std::enable_if_t<!plib::has_ostream_operator<std::basic_ostream<char>, T>::value, std::basic_ostream<char>&>
operator << ([[maybe_unused]] std::basic_ostream<char>& os, [[maybe_unused]] const T &p)
{
os << std::string(typeid(T).name());
return os;
}
class pmfp_test_complex_return : public plib::testing::Test
{
protected:
using ret_t = std::pair<void *, int>;
template <std::size_t N>
class tstruct
{
public:
struct r1type
{
char m[N];
};
r1type f1(const char v)
{
r1type r;
for (std::size_t i=0; i<N; i++) r.m[i] = v;
return r;
}
template <typename T>
T ft(const T v)
{
return v;
}
template <typename T>
T run_ft(const T v)
{
using pf_t = plib::pmfp<T (const T)>;
pf_t pf(&tstruct::ft<T>, this);
return pf(v);
}
};
//using test_delegate1 = plib::pmfp<ret_t (int, int)>;
using test_delegate = plib::pmfp<ret_t ()>;
class a
{
public:
ret_t ap() { return ret_t(static_cast<void *>(this), ax); }
int ax;
};
class b
{
public:
ret_t bp() { return ret_t(static_cast<void *>(this), bx); }
int bx;
};
class multibase : public a, public b
{
public:
};
class vtb
{
public:
virtual ~vtb() = default;
virtual ret_t vp1() { return ret_t(static_cast<void *>(this), 1); }
virtual ret_t vp2() { return ret_t(static_cast<void *>(this), 2); }
};
class vti1 : public vtb
{
public:
virtual ret_t vp1() override { return ret_t(static_cast<void *>(this), 3); }
virtual ret_t vp2() override { return ret_t(static_cast<void *>(this), 4); }
};
class vti2 : public a, public vtb
{
public:
virtual ret_t vp1() override { return ret_t(static_cast<void *>(this), 13); }
virtual ret_t vp2() override { return ret_t(static_cast<void *>(this), 14); }
};
class forward;
test_delegate make_forward_delegate(ret_t (forward::*func)(), forward *obj)
{
return test_delegate(func, obj);
}
class vb
{
public:
ret_t xp() { return ret_t(static_cast<void *>(this), x); }
int x=10;
};
class vd1 : public virtual vb
{
public:
ret_t yp() { return ret_t(static_cast<void *>(this), y); }
int y;
};
class vd2 : public virtual vb
{
public:
ret_t zp() { return ret_t(static_cast<void *>(this), z); }
int z;
};
class forward : public vd1, public vd2
{
public:
};
};
class pmfp_test_simple_return : public plib::testing::Test
{
protected:
using ret_t = std::pair<void *, int>;
//using test_delegate1 = plib::pmfp<ret_t (int, int)>;
using test_delegate = plib::pmfp<void (ret_t &)>;
class a
{
public:
void ap(ret_t &r) { r = ret_t(static_cast<void *>(this), ax); }
int ax;
};
class b
{
public:
void bp(ret_t &r) { r = ret_t(static_cast<void *>(this), bx); }
int bx;
};
class multibase : public a, public b
{
public:
};
class vtb
{
public:
virtual ~vtb() = default;
virtual void vp1(ret_t &r) { r = ret_t(static_cast<void *>(this), 1); }
virtual void vp2(ret_t &r) { r = ret_t(static_cast<void *>(this), 2); }
};
class vti1 : public vtb
{
public:
virtual void vp1(ret_t &r) override { r = ret_t(static_cast<void *>(this), 3); }
virtual void vp2(ret_t &r) override { r = ret_t(static_cast<void *>(this), 4); }
};
class vti2 : public a, public vtb
{
public:
virtual void vp1(ret_t &r) override { r = ret_t(static_cast<void *>(this), 13); }
virtual void vp2(ret_t &r) override { r = ret_t(static_cast<void *>(this), 14); }
};
class forward;
test_delegate make_forward_delegate(void (forward::*func)(ret_t &), forward *obj)
{
return test_delegate(func, obj);
}
class vb
{
public:
void xp(ret_t &r) { r = ret_t(static_cast<void *>(this), x); }
int x=10;
};
class vd1 : public virtual vb
{
public:
void yp(ret_t &r) { r = ret_t(static_cast<void *>(this), y); }
int y;
};
class vd2 : public virtual vb
{
public:
void zp(ret_t &r) { r = ret_t(static_cast<void *>(this), z); }
int z;
};
class forward : public vd1, public vd2
{
public:
};
};
PTEST_F(pmfp_test_complex_return, multibase_test)
{
multibase obj;
obj.ax = 1;
obj.bx = 2;
test_delegate f(&multibase::ap, &obj);
test_delegate g(&multibase::bp, &obj);
// a=0x63fbf8
// b=0x63fbfc
// a=0x63fbf8(1)
// b=0x63fbfc(2)
// b=0x63fbfc(2)
// b=0x63fbfc(2)
PEXPECT_EQ(f(), ret_t(static_cast<void *>(static_cast<a *>(&obj)), 1));
auto g_ret = g();
PEXPECT_EQ(g_ret, ret_t(static_cast<void *>(static_cast<b *>(&obj)), 2));
test_delegate h = g;
PEXPECT_EQ(g_ret, h());
f = g;
PEXPECT_EQ(g_ret, f());
//vti1=0xdf6fb0.vp1
//vti1=0xdf6fb0.vp2
std::unique_ptr<vtb> ptr;
ptr.reset(new vti1);
f = test_delegate(&vtb::vp1, ptr.get());
auto f1_ret = f();
f = test_delegate(&vtb::vp2, ptr.get());
auto f2_ret = f();
PEXPECT_EQ(f1_ret.first, f2_ret.first);
PEXPECT_EQ(f1_ret.second, 3);
PEXPECT_EQ(f2_ret.second, 4);
// vti2=0xdf6d50.vp1
// vti2=0xdf6d50.vp2
ptr.reset(new vti2);
f = test_delegate(&vtb::vp1, ptr.get());
f1_ret = f();
f = test_delegate(&vtb::vp2, ptr.get());
f2_ret = f();
PEXPECT_EQ(f1_ret.first, f2_ret.first);
PEXPECT_EQ(f1_ret.second, 13);
PEXPECT_EQ(f2_ret.second, 14);
//vb=0x63fafc
//vd1=0x63fae0
//vd2=0x63faf0
//vd1=0x63fae0(8)
//vd2=0x63faf0(9)
forward obj2;
obj2.x = 7;
obj2.y = 8;
obj2.z = 9;
PEXPECT_NE(static_cast<void *>(static_cast<vb *>(&obj2)), static_cast<void *>(static_cast<vd1 *>(&obj2)));
PEXPECT_NE(static_cast<void *>(static_cast<vb *>(&obj2)), static_cast<void *>(static_cast<vd2 *>(&obj2)));
#if defined(_MSC_VER) && !defined(__clang__)
f = make_forward_delegate(&forward::xp, &obj2);
PEXPECT_TRUE(f().second == 7);
std::cout << f().second << " " << obj2.xp().second << "\n";
#endif
f = make_forward_delegate(&forward::yp, &obj2);
PEXPECT_EQ(f().second, 8);
f = make_forward_delegate(&forward::zp, &obj2);
PEXPECT_EQ(f().second, 9);
//PEXPECT_EQ(plib::ppmf_internal::value, PPMF_TYPE_PMF);
// test return size handling
tstruct<3> ts3;
using pfmp3_t = plib::pmfp<tstruct<3>::r1type(char)>;
pfmp3_t pf3(&tstruct<3>::f1, &ts3);
auto r3 = pf3(3);
PEXPECT_EQ(static_cast<int>(r3.m[2]), 3);
PEXPECT_EQ(sizeof(r3), 3u);
tstruct<5> ts5;
using pfmp5_t = plib::pmfp<tstruct<5>::r1type(char)>;
pfmp5_t pf5(&tstruct<5>::f1, &ts5);
auto r5 = pf5(5);
PEXPECT_EQ(static_cast<int>(r5.m[3]), 5);
PEXPECT_EQ(sizeof(r5), 5u);
tstruct<8> ts8;
using pfmp8_t = plib::pmfp<tstruct<8>::r1type(char)>;
pfmp8_t pf8(&tstruct<8>::f1, &ts8);
auto r8 = pf8(8);
PEXPECT_EQ(static_cast<int>(r8.m[3]), 8);
PEXPECT_EQ(sizeof(r8), 8u);
tstruct<9> ts9;
using pfmp9_t = plib::pmfp<tstruct<9>::r1type (char)>;
pfmp9_t pf9(&tstruct<9>::f1, &ts9);
auto r9=pf9(9);
PEXPECT_EQ(static_cast<int>(r9.m[3]), 9);
PEXPECT_EQ(sizeof(r9), 9u);
tstruct<17> ts17;
using pfmp17_t = plib::pmfp<tstruct<17>::r1type(char)>;
pfmp17_t pf17(&tstruct<17>::f1, &ts17);
auto r17 = pf17(17);
PEXPECT_EQ(static_cast<int>(r17.m[3]), 17);
PEXPECT_EQ(sizeof(r17), 17u);
#if !(defined(_MSC_VER) && !defined(__clang__))
if constexpr (plib::compile_info::has_int128::value)
{
PEXPECT_EQ(static_cast<int>(ts17.run_ft<INT128>(17)), 17); // FIXME: no operator << for INT128 yet
PEXPECT_EQ(sizeof(INT128), 16u);
}
#endif
PEXPECT_EQ(ts17.run_ft<long double>(17), 17);
PEXPECT_EQ(ts17.run_ft<double>(17), 17);
PEXPECT_EQ(ts17.run_ft<int>(17), 17);
PEXPECT_EQ(ts17.run_ft<bool>(true), true);
PEXPECT_EQ(ts17.run_ft<std::size_t>(20), 20u);
struct tt1_t { int a; int b; };
tt1_t tt1 = { 8, 9 };
auto tt1r = ts17.run_ft<tt1_t>(tt1);
PEXPECT_EQ(tt1.a, tt1r.a);
PEXPECT_EQ(tt1.b, tt1r.b);
PEXPECT_EQ(sizeof(ret_t), 16u);
}
PTEST_F(pmfp_test_simple_return, multibase_test)
{
multibase obj;
obj.ax = 1;
obj.bx = 2;
test_delegate f(&multibase::ap, &obj);
test_delegate g(&multibase::bp, &obj);
// a=0x63fbf8
// b=0x63fbfc
// a=0x63fbf8(1)
// b=0x63fbfc(2)
// b=0x63fbfc(2)
// b=0x63fbfc(2)
ret_t fr;
f(fr);
PEXPECT_EQ(fr, ret_t(static_cast<void *>(static_cast<a *>(&obj)), 1));
ret_t gr;
g(gr);
PEXPECT_EQ(gr, ret_t(static_cast<void *>(static_cast<b *>(&obj)), 2));
//PEXPECT_EQ(f, g);
test_delegate h = g;
ret_t hr;
h(hr);
PEXPECT_EQ(gr, hr);
f = g;
f(fr);
PEXPECT_EQ(gr, fr);
//vti1=0xdf6fb0.vp1
//vti1=0xdf6fb0.vp2
std::unique_ptr<vtb> ptr;
ptr.reset(new vti1);
f = test_delegate(&vtb::vp1, ptr.get());
ret_t f1_ret;
f(f1_ret);
f = test_delegate(&vtb::vp2, ptr.get());
ret_t f2_ret;
f(f2_ret);
PEXPECT_EQ(f1_ret.first, f2_ret.first);
PEXPECT_EQ(f1_ret.second, 3);
PEXPECT_EQ(f2_ret.second, 4);
// vti2=0xdf6d50.vp1
// vti2=0xdf6d50.vp2
ptr.reset(new vti2);
f = test_delegate(&vtb::vp1, ptr.get());
f(f1_ret);
f = test_delegate(&vtb::vp2, ptr.get());
f(f2_ret);
PEXPECT_EQ(f1_ret.first, f2_ret.first);
PEXPECT_EQ(f1_ret.second, 13);
PEXPECT_EQ(f2_ret.second, 14);
//vb=0x63fafc
//vd1=0x63fae0
//vd2=0x63faf0
//vd1=0x63fae0(8)
//vd2=0x63faf0(9)
forward obj2;
obj2.x = 7;
obj2.y = 8;
obj2.z = 9;
PEXPECT_NE(static_cast<void *>(static_cast<vb *>(&obj2)), static_cast<void *>(static_cast<vd1 *>(&obj2)));
PEXPECT_NE(static_cast<void *>(static_cast<vb *>(&obj2)), static_cast<void *>(static_cast<vd2 *>(&obj2)));
#if defined(_MSC_VER) && !defined(__clang__)
f = make_forward_delegate(&forward::xp, &obj2);
f(fr);
PEXPECT_TRUE(fr.second == 7);
std::cout << fr.second << "\n";
#endif
f = make_forward_delegate(&forward::yp, &obj2);
f(fr);
PEXPECT_EQ(fr.second, 8);
f = make_forward_delegate(&forward::zp, &obj2);
f(fr);
PEXPECT_EQ(fr.second, 9);
//PEXPECT_EQ(plib::ppmf_internal::value, PPMF_TYPE_INTERNAL_MSC);
}
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