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#include "shared_ptr.hpp"
#include "gtest/gtest.h"
#include <array>
#include <memory>
#include <string>
class MyClass
{
public:
MyClass(std::string name) :
m_name(name) {}
void updateName(std::string name) { m_name = name; }
std::string m_name;
};
int main(int argc, char* argv[])
{
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
template <typename T>
T testCopyMoveConstructors(T p)
{
EXPECT_GT(p.use_count(), 1);
return p;
}
template <typename T>
void testPrimitives()
{
std::shared_ptr<T> p1 = std::make_shared<T>();
usu::shared_ptr<T> p2 = usu::make_shared<T>();
EXPECT_EQ(p1.use_count(), p2.use_count());
// Create a new scope to validate incrementing, decrementing reference counts
{
auto p1b = p1;
auto p2b = p2;
EXPECT_EQ(p1.use_count(), p2.use_count());
}
EXPECT_EQ(p1.use_count(), p2.use_count());
}
TEST(Primitives, DefaultConstruction)
{
testPrimitives<int>();
testPrimitives<unsigned int>();
testPrimitives<bool>();
testPrimitives<double>();
}
TEST(Primitives, OverloadedConstructors)
{
std::shared_ptr<int> p1 = std::make_shared<int>(10);
usu::shared_ptr<int> p2 = usu::make_shared<int>(10);
EXPECT_EQ(p1.use_count(), p2.use_count());
EXPECT_EQ(*p1, *p2);
}
TEST(Primitives, CanReuse)
{
std::shared_ptr<int> p1 = std::make_shared<int>();
usu::shared_ptr<int> p2 = usu::make_shared<int>();
p1 = std::make_shared<int>(10);
p2 = usu::make_shared<int>(10);
EXPECT_EQ(p1.use_count(), p2.use_count());
EXPECT_EQ(*p1, *p2);
}
TEST(Primitives, CopyMoveOperations)
{
std::shared_ptr<int> p1 = std::make_shared<int>();
usu::shared_ptr<int> p2 = usu::make_shared<int>();
p1 = testCopyMoveConstructors(p1);
p2 = testCopyMoveConstructors(p2);
EXPECT_EQ(p1.use_count(), p2.use_count());
}
TEST(ComplexTypes, CanCreateComplexTypes)
{
std::shared_ptr<std::string> p1 = std::make_shared<std::string>();
usu::shared_ptr<std::string> p2 = usu::make_shared<std::string>();
EXPECT_EQ(p1.use_count(), p2.use_count());
EXPECT_EQ(*p1, *p2);
}
TEST(ComplexTypes, OverloadedConstructors)
{
std::shared_ptr<std::string> p1 =
std::make_shared<std::string>("This is a test");
usu::shared_ptr<std::string> p2 =
usu::make_shared<std::string>("This is a test");
EXPECT_EQ(p1.use_count(), p2.use_count());
EXPECT_EQ(*p1, *p2);
}
TEST(ComplexTypes, PointerOperator)
{
auto p1 = std::make_shared<MyClass>("Some Name");
auto p2 = usu::make_shared<MyClass>("Some Name");
EXPECT_EQ(p1.use_count(), p2.use_count());
EXPECT_EQ(p1->m_name, p2->m_name);
p1->updateName("Updated Name");
p2->updateName("Updated Name");
EXPECT_EQ(p1->m_name, p2->m_name);
}
TEST(Array, CanCreateArray)
{
std::array<int, 4> truth{ 2, 3, 5, 7 };
usu::shared_ptr<int[]> primes = usu::make_shared_array<int, 4>();
primes[0] = truth[0];
primes[1] = truth[1];
primes[2] = truth[2];
primes[3] = truth[3];
for (unsigned int i = 0; i < primes.size(); i++)
{
EXPECT_EQ(primes[i], truth[i]);
}
}
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