69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
#include "google/gtest/gtest.h"
|
|
#include "../pointer.h"
|
|
|
|
using namespace cpputils;
|
|
|
|
using std::unique_ptr;
|
|
|
|
class Parent {
|
|
public:
|
|
virtual ~Parent() {}
|
|
};
|
|
class Child: public Parent {};
|
|
class Child2: public Parent {};
|
|
|
|
//TODO Add test cases that the correct (virtual) destructor is called
|
|
|
|
TEST(DynamicPointerMoveTest, NullPtrParentToChildCast) {
|
|
unique_ptr<Parent> source(nullptr);
|
|
unique_ptr<Child> casted = dynamic_pointer_move<Child>(source);
|
|
EXPECT_EQ(nullptr, source.get());
|
|
EXPECT_EQ(nullptr, casted.get());
|
|
}
|
|
|
|
TEST(DynamicPointerMoveTest, NullPtrChildToParentCast) {
|
|
unique_ptr<Child> source(nullptr);
|
|
unique_ptr<Parent> casted = dynamic_pointer_move<Parent>(source);
|
|
EXPECT_EQ(nullptr, source.get());
|
|
EXPECT_EQ(nullptr, casted.get());
|
|
}
|
|
|
|
TEST(DynamicPointerMoveTest, NullPtrSelfCast) {
|
|
unique_ptr<Parent> source(nullptr);
|
|
unique_ptr<Parent> casted = dynamic_pointer_move<Parent>(source);
|
|
EXPECT_EQ(nullptr, source.get());
|
|
EXPECT_EQ(nullptr, casted.get());
|
|
}
|
|
|
|
TEST(DynamicPointerMoveTest, ValidParentToChildCast) {
|
|
Child *obj = new Child();
|
|
unique_ptr<Parent> source(obj);
|
|
unique_ptr<Child> casted = dynamic_pointer_move<Child>(source);
|
|
EXPECT_EQ(nullptr, source.get()); // source lost ownership
|
|
EXPECT_EQ(obj, casted.get());
|
|
}
|
|
|
|
TEST(DynamicPointerMoveTest, InvalidParentToChildCast1) {
|
|
Parent *obj = new Parent();
|
|
unique_ptr<Parent> source(obj);
|
|
unique_ptr<Child> casted = dynamic_pointer_move<Child>(source);
|
|
EXPECT_EQ(obj, source.get()); // source still has ownership
|
|
EXPECT_EQ(nullptr, casted.get());
|
|
}
|
|
|
|
TEST(DynamicPointerMoveTest, InvalidParentToChildCast2) {
|
|
Child2 *obj = new Child2();
|
|
unique_ptr<Parent> source(obj);
|
|
unique_ptr<Child> casted = dynamic_pointer_move<Child>(source);
|
|
EXPECT_EQ(obj, source.get()); // source still has ownership
|
|
EXPECT_EQ(nullptr, casted.get());
|
|
}
|
|
|
|
TEST(DynamicPointerMoveTest, ChildToParentCast) {
|
|
Child *obj = new Child();
|
|
unique_ptr<Child> source(obj);
|
|
unique_ptr<Parent> casted = dynamic_pointer_move<Parent>(source);
|
|
EXPECT_EQ(nullptr, source.get()); // source lost ownership
|
|
EXPECT_EQ(obj, casted.get());
|
|
}
|