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// SPDX-FileCopyrightText: 2019 - 2023 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later
#include <gtest/gtest.h>
#include "testso.h"
#include <DVtableHook>
class ut_DVtableHook : public testing::Test
{
public:
static void SetUpTestCase()
{
qDebug() << "*****************" << __FUNCTION__;
}
static void TearDownTestCase()
{
qDebug() << "*****************" << __FUNCTION__;
}
virtual void SetUp();
virtual void TearDown();
virtual ~ut_DVtableHook() {}
};
void ut_DVtableHook::SetUp()
{
}
void ut_DVtableHook::TearDown()
{
}
using namespace TestClass;
DCORE_USE_NAMESPACE
static char test(A *obj, int v)
{
qDebug() << Q_FUNC_INFO << obj << v;
return 'x';
}
static char test2(A *obj, int v, bool v2)
{
qDebug() << Q_FUNC_INFO << obj << v << v2;
return 'y';
}
TEST_F(ut_DVtableHook, objectFun2ObjectFun)
{
A *a = new A();
B *b = new B();
ASSERT_TRUE(DVtableHook::overrideVfptrFun(a, &A::test, b, &B::test));
ASSERT_TRUE(DVtableHook::hasVtable(a));
ASSERT_EQ(a->test(0), 'b');
DVtableHook::resetVfptrFun(a, &A::test);
ASSERT_EQ(a->test(0), 'a');
delete a;
ASSERT_TRUE(!DVtableHook::hasVtable(a));
delete b;
}
TEST_F(ut_DVtableHook, objectFun2Fun)
{
A *a = new A();
ASSERT_TRUE(DVtableHook::overrideVfptrFun(a, &A::test, &test));
ASSERT_EQ(a->test(1), 'x');
DVtableHook::resetVtable(a);
ASSERT_TRUE(!DVtableHook::hasVtable(a));
delete a;
}
TEST_F(ut_DVtableHook, objectFun2StdFun)
{
A *a = new A();
ASSERT_TRUE(DVtableHook::overrideVfptrFun(a, &A::test, std::bind(&test2, std::placeholders::_1, std::placeholders::_2, true)));
ASSERT_EQ(a->test(2), 'y');
DVtableHook::resetVtable(a);
ASSERT_TRUE(!DVtableHook::hasVtable(a));
// not support
// A *a2 = new A();
// ASSERT_TRUE(DVtableHook::overrideVfptrFun(a2, &A::test, std::bind(&test2, std::placeholders::_1, std::placeholders::_2, false)));
// ASSERT_TRUE(!a2->test(2));
// DVtableHook::resetVtable(a2);
// ASSERT_TRUE(!DVtableHook::hasVtable(a2));
delete a;
}
TEST_F(ut_DVtableHook, objectFun2LambdaFun)
{
A *a = new A();
auto lambda1 = [](A *obj, int v) {
qDebug() << Q_FUNC_INFO << obj << v;
return '1';
};
auto lambda2 = [](A *obj, int v) {
qDebug() << Q_FUNC_INFO << obj << v;
return '2';
};
ASSERT_TRUE(DVtableHook::overrideVfptrFun(a, &A::test, lambda1));
ASSERT_EQ(a->test(3), '1');
ASSERT_TRUE(DVtableHook::overrideVfptrFun(a, &A::test, lambda2));
ASSERT_EQ(a->test(3), '2');
DVtableHook::resetVtable(a);
ASSERT_TRUE(!DVtableHook::hasVtable(a));
delete a;
}
TEST_F(ut_DVtableHook, fun2ObjectFun)
{
B *b = new B();
ASSERT_TRUE(DVtableHook::overrideVfptrFun(&A::test, b, &B::test));
A *a = new A();
ASSERT_TRUE(DVtableHook::getVtableOfObject(a) == DVtableHook::getVtableOfClass<A>());
ASSERT_EQ(a->test(4), 'b');
delete a;
delete b;
}
TEST_F(ut_DVtableHook, fun2Fun)
{
ASSERT_TRUE(DVtableHook::overrideVfptrFun(&A::test, &test));
A *a = new A();
ASSERT_EQ(a->test(5), 'x');
delete a;
}
TEST_F(ut_DVtableHook, fun2StdFun)
{
A *a = new A();
ASSERT_TRUE(DVtableHook::overrideVfptrFun(&A::test, std::bind(&test2, std::placeholders::_1, std::placeholders::_2, true)));
ASSERT_EQ(a->test(6), 'y');
DVtableHook::resetVtable(a);
ASSERT_TRUE(!DVtableHook::hasVtable(a));
delete a;
}
TEST_F(ut_DVtableHook, fun2LambdaFun)
{
A *a = new A();
auto lambda = [](A *obj, int v) {
qDebug() << Q_FUNC_INFO << obj << v;
return 'z';
};
ASSERT_TRUE(DVtableHook::overrideVfptrFun(&A::test, lambda));
ASSERT_EQ(a->test(7), 'z');
DVtableHook::resetVtable(a);
ASSERT_TRUE(!DVtableHook::hasVtable(a));
delete a;
}
TEST_F(ut_DVtableHook, testRTTI)
{
A *c1 = new C();
auto original = typeid(*c1).name();
auto lambda3 = [](C *obj, int v) {
qDebug() << Q_FUNC_INFO << obj << v;
return '3';
};
ASSERT_TRUE(DVtableHook::overrideVfptrFun(dynamic_cast<C *>(c1), &C::test, lambda3));
ASSERT_EQ(c1->test(0), '3');
ASSERT_EQ(typeid(*c1).name(), original);
delete c1;
}
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