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#include "../src/memory/allocator.hpp"
#include "../src/memory/shared_ptr.hpp"
#include <iostream>
#include <memory>
#include <sstream>
#include <string>
#define ASSERT(cond) \
if (!(cond)) { \
std::cerr << "Assertion failed: " #cond " at " __FILE__ << ":" << __LINE__ << std::endl; \
return false; \
} \
class TestObj : public Sass::SharedObj {
public:
TestObj(bool *destroyed) : destroyed_(destroyed) {}
~TestObj() { *destroyed_ = true; }
Sass::sass::string to_string() const {
Sass::sass::ostream result;
result << "refcount=" << refcount << " destroyed=" << *destroyed_;
return result.str();
}
private:
bool *destroyed_;
};
using SharedTestObj = Sass::SharedImpl<TestObj>;
bool TestOneSharedPtr() {
bool destroyed = false;
{
SharedTestObj a = SASS_MEMORY_NEW(TestObj, &destroyed);
}
ASSERT(destroyed);
return true;
}
bool TestTwoSharedPtrs() {
bool destroyed = false;
{
SharedTestObj a = SASS_MEMORY_NEW(TestObj, &destroyed);
{
SharedTestObj b = a;
}
ASSERT(!destroyed);
}
ASSERT(destroyed);
return true;
}
bool TestSelfAssignment() {
bool destroyed = false;
{
SharedTestObj a = SASS_MEMORY_NEW(TestObj, &destroyed);
a = a;
ASSERT(!destroyed);
}
ASSERT(destroyed);
return true;
}
bool TestPointerAssignment() {
bool destroyed = false;
std::unique_ptr<TestObj> ptr(new TestObj(&destroyed));
{
SharedTestObj a = ptr.get();
}
ASSERT(destroyed);
ptr.release();
return true;
}
bool TestOneSharedPtrDetach() {
bool destroyed = false;
std::unique_ptr<TestObj> ptr(new TestObj(&destroyed));
{
SharedTestObj a = ptr.get();
a.detach();
}
ASSERT(!destroyed);
return true;
}
bool TestTwoSharedPtrsDetach() {
bool destroyed = false;
std::unique_ptr<TestObj> ptr(new TestObj(&destroyed));
{
SharedTestObj a = ptr.get();
{
SharedTestObj b = a;
b.detach();
}
ASSERT(!destroyed);
a.detach();
}
ASSERT(!destroyed);
return true;
}
bool TestSelfAssignDetach() {
bool destroyed = false;
std::unique_ptr<TestObj> ptr(new TestObj(&destroyed));
{
SharedTestObj a = ptr.get();
a = a.detach();
ASSERT(!destroyed);
}
ASSERT(destroyed);
ptr.release();
return true;
}
bool TestDetachedPtrIsNotDestroyedUntilAssignment() {
bool destroyed = false;
std::unique_ptr<TestObj> ptr(new TestObj(&destroyed));
{
SharedTestObj a = ptr.get();
SharedTestObj b = a;
ASSERT(a.detach() == ptr.get());
ASSERT(!destroyed);
}
ASSERT(!destroyed);
{
SharedTestObj c = ptr.get();
ASSERT(!destroyed);
}
ASSERT(destroyed);
ptr.release();
return true;
}
bool TestDetachNull() {
SharedTestObj a;
ASSERT(a.detach() == nullptr);
return true;
}
class EmptyTestObj : public Sass::SharedObj {
public:
Sass::sass::string to_string() const { return ""; }
};
bool TestComparisonWithSharedPtr() {
Sass::SharedImpl<EmptyTestObj> a = new EmptyTestObj();
ASSERT(a == a);
Sass::SharedImpl<EmptyTestObj> b = a;
ASSERT(a == b);
Sass::SharedImpl<EmptyTestObj> c = new EmptyTestObj();
ASSERT(a != c);
Sass::SharedImpl<EmptyTestObj> nullobj;
ASSERT(a != nullobj);
ASSERT(nullobj == nullobj);
return true;
}
bool TestComparisonWithNullptr() {
Sass::SharedImpl<EmptyTestObj> a = new EmptyTestObj();
ASSERT(a != nullptr);
Sass::SharedImpl<EmptyTestObj> nullobj;
ASSERT(nullobj == nullptr);
return true;
}
#define TEST(fn) \
if (fn()) { \
passed.push_back(#fn); \
} else { \
failed.push_back(#fn); \
std::cerr << "Failed: " #fn << std::endl; \
} \
int main(int argc, char **argv) {
std::vector<std::string> passed;
std::vector<std::string> failed;
TEST(TestOneSharedPtr);
TEST(TestTwoSharedPtrs);
TEST(TestSelfAssignment);
TEST(TestPointerAssignment);
TEST(TestOneSharedPtrDetach);
TEST(TestTwoSharedPtrsDetach);
TEST(TestSelfAssignDetach);
TEST(TestDetachedPtrIsNotDestroyedUntilAssignment);
TEST(TestDetachNull);
TEST(TestComparisonWithSharedPtr);
TEST(TestComparisonWithNullptr);
std::cerr << argv[0] << ": Passed: " << passed.size()
<< ", failed: " << failed.size()
<< "." << std::endl;
return failed.size();
}
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