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#include <gtest/gtest.h>
#include "util/raii/CairoWrappers.h"
#include "util/raii/GObjectSPtr.h"
namespace {
class TestData {
public:
TestData() { nbData++; };
~TestData() { nbData--; };
int value = 2;
int ref_count = 1;
static int nbData;
};
int TestData::nbData = 0;
class TestDataHandler {
public:
static TestData* ref(TestData* p) {
p->ref_count++;
return p;
}
static void unref(TestData* p) {
p->ref_count--;
if (p->ref_count == 0) {
delete (p);
}
}
constexpr static auto adopt = [](TestData* p) { return p; };
};
}; // namespace
using TestRAII = xoj::util::CLibrariesSPtr<TestData, TestDataHandler>;
TEST(UtilsRAII, testCLibbrairiesSPtr_Constructors) {
{
TestRAII t; // Default constructor
EXPECT_EQ(t.get(), nullptr);
EXPECT_FALSE(t);
EXPECT_EQ(TestData::nbData, 0);
TestData* p = nullptr;
TestRAII t1(p = new TestData(), xoj::util::adopt); // Adoption
EXPECT_EQ(t1.get(), p);
EXPECT_EQ(TestData::nbData, 1);
EXPECT_EQ(p->ref_count, 1);
TestRAII t2(std::move(t1)); // move constructor
EXPECT_EQ(t1.get(), nullptr);
EXPECT_EQ(t2.get(), p);
EXPECT_EQ(p->ref_count, 1);
EXPECT_EQ(TestData::nbData, 1);
TestRAII t3(t2); // copy constructor
EXPECT_EQ(t2.get(), p);
EXPECT_EQ(t3.get(), p);
EXPECT_EQ(p->ref_count, 2);
EXPECT_EQ(TestData::nbData, 1);
TestRAII t4(t2.get(), xoj::util::ref); // ref
EXPECT_EQ(t4.get(), p);
EXPECT_EQ(p->ref_count, 3);
EXPECT_EQ(TestData::nbData, 1);
}
EXPECT_EQ(TestData::nbData, 0);
}
TEST(UtilsRAII, testCLibbrairiesSPtr_MoveAssignments) {
{
TestData* p = nullptr;
TestData* q = nullptr;
TestRAII t1(p = new TestData(), xoj::util::adopt);
TestRAII t2(q = new TestData(), xoj::util::adopt);
EXPECT_EQ(TestData::nbData, 2);
EXPECT_EQ(t1.get(), p);
EXPECT_EQ(t2.get(), q);
EXPECT_EQ(p->ref_count, 1);
EXPECT_EQ(q->ref_count, 1);
t1->value = 4;
t2->value = 14;
std::swap(t1, t2);
EXPECT_EQ(t1->value, 14);
EXPECT_EQ(t2->value, 4);
EXPECT_EQ(TestData::nbData, 2);
EXPECT_EQ(t1.get(), q);
EXPECT_EQ(t2.get(), p);
EXPECT_EQ(p->ref_count, 1);
EXPECT_EQ(q->ref_count, 1);
t1 = std::move(t2); // move assignment - non empty to non empty - different data
q = nullptr;
EXPECT_EQ(TestData::nbData, 1);
EXPECT_EQ(p->ref_count, 1);
EXPECT_EQ(t1.get(), p);
EXPECT_EQ(t1->value, 4);
EXPECT_EQ(t2.get(), nullptr);
EXPECT_TRUE(t1);
EXPECT_FALSE(t2);
TestRAII t3(p, xoj::util::ref);
EXPECT_EQ(p->ref_count, 2);
t1 = std::move(t3); // move assignment - non empty to non empty - same data
EXPECT_EQ(TestData::nbData, 1);
EXPECT_EQ(p->ref_count, 1);
EXPECT_EQ(t1.get(), p);
EXPECT_EQ(t1->value, 4);
EXPECT_EQ(t2.get(), nullptr);
EXPECT_TRUE(t1);
EXPECT_FALSE(t2);
t2 = std::move(t1); // move assignment - non empty to empty
EXPECT_EQ(TestData::nbData, 1);
EXPECT_EQ(p->ref_count, 1);
EXPECT_EQ(t1.get(), nullptr);
EXPECT_EQ(t2->value, 4);
EXPECT_EQ(t2.get(), p);
t2 = std::move(t1); // move assignment - empty to non-empty
p = nullptr;
EXPECT_EQ(TestData::nbData, 0);
EXPECT_EQ(t1.get(), nullptr);
EXPECT_EQ(t2.get(), nullptr);
t2 = std::move(t1); // move assignment - empty to empty
EXPECT_EQ(TestData::nbData, 0);
EXPECT_EQ(t1.get(), nullptr);
EXPECT_EQ(t2.get(), nullptr);
}
EXPECT_EQ(TestData::nbData, 0);
}
TEST(UtilsRAII, testCLibbrairiesSPtr_CopyAssignments) {
{
TestData* p = nullptr;
TestData* q = nullptr;
TestRAII t1(p = new TestData(), xoj::util::adopt);
TestRAII t2(q = new TestData(), xoj::util::adopt);
EXPECT_EQ(TestData::nbData, 2);
EXPECT_EQ(t1.get(), p);
EXPECT_EQ(t2.get(), q);
EXPECT_EQ(p->ref_count, 1);
EXPECT_EQ(q->ref_count, 1);
t1->value = 4;
t2->value = 14;
t2 = t1; // copy assignment - non empty to non empty - different data
q = nullptr;
EXPECT_EQ(TestData::nbData, 1);
EXPECT_EQ(p->ref_count, 2);
EXPECT_EQ(t1.get(), p);
EXPECT_EQ(t2.get(), p);
EXPECT_EQ(t2->value, 4);
t2 = t1; // copy assignment - non empty to non empty - same data
EXPECT_EQ(TestData::nbData, 1);
EXPECT_EQ(p->ref_count, 2);
EXPECT_EQ(t1.get(), p);
EXPECT_EQ(t2.get(), p);
EXPECT_EQ(t2->value, 4);
TestRAII t3;
t2 = t3; // copy assignment - empty to non-empty
EXPECT_EQ(TestData::nbData, 1);
EXPECT_EQ(p->ref_count, 1); // t1
EXPECT_EQ(t2.get(), nullptr);
EXPECT_EQ(t3.get(), nullptr);
t3 = t1; // copy assignment - non empty to empty
EXPECT_EQ(TestData::nbData, 1);
EXPECT_EQ(p->ref_count, 2); // t{1,3}
EXPECT_EQ(t1.get(), p);
EXPECT_EQ(t3->value, 4);
EXPECT_EQ(t3.get(), p);
TestRAII t4;
t2 = t4; // copy assignment - empty to empty
EXPECT_EQ(TestData::nbData, 1);
EXPECT_EQ(t2.get(), nullptr);
EXPECT_EQ(t4.get(), nullptr);
}
EXPECT_EQ(TestData::nbData, 0);
}
TEST(UtilsRAII, testCLibbrairiesSPtr_Reset) {
{
TestData* p = nullptr;
TestData* q = nullptr;
TestRAII t1(p = new TestData(), xoj::util::adopt);
TestRAII t2;
EXPECT_EQ(TestData::nbData, 1);
EXPECT_EQ(t1.get(), p);
EXPECT_EQ(t2.get(), nullptr);
EXPECT_EQ(p->ref_count, 1);
t1->value = 4;
t2.reset(q = new TestData(), xoj::util::adopt); // Reset - non-nullptr to empty
EXPECT_EQ(TestData::nbData, 2);
EXPECT_EQ(t2.get(), q);
EXPECT_TRUE(t2);
EXPECT_EQ(q->ref_count, 1);
t2.reset(q = new TestData(), xoj::util::adopt); // Reset - non-nullptr to non-empty
EXPECT_EQ(t2.get(), q);
EXPECT_EQ(TestData::nbData, 2);
t1.reset(); // Reset - nullptr to non-empty
p = nullptr;
EXPECT_EQ(TestData::nbData, 1);
EXPECT_EQ(t1.get(), nullptr);
t1.reset(); // Reset - nullptr to empty
EXPECT_EQ(TestData::nbData, 1);
EXPECT_EQ(t1.get(), nullptr);
}
EXPECT_EQ(TestData::nbData, 0);
}
/**
* Test GObject smart pointer
*/
namespace {
G_BEGIN_DECLS
#define TEST_OBJECT_TYPE test_object_get_type()
G_DECLARE_FINAL_TYPE(TestObject, test_object, TEST, OBJECT, GObject)
TestObject* test_object_new(void);
struct _TestObject {
GObject parent_instance;
};
int TestObjectCount = 0;
G_DEFINE_TYPE(TestObject, test_object, G_TYPE_OBJECT)
static void test_object_init(TestObject* self) { TestObjectCount++; }
static void test_object_dispose(GObject* gobject) {
TestObjectCount--;
G_OBJECT_CLASS(test_object_parent_class)->dispose(gobject);
}
static void test_object_finalize(GObject* gobject) { G_OBJECT_CLASS(test_object_parent_class)->finalize(gobject); }
static void test_object_class_init(TestObjectClass* klass) {
GObjectClass* object_class = G_OBJECT_CLASS(klass);
object_class->dispose = test_object_dispose;
object_class->finalize = test_object_finalize;
}
G_END_DECLS
}; // namespace
TEST(UtilsRAII, testGObjectSPtrConstructors) {
using TestPtr = xoj::util::GObjectSPtr<TestObject>;
EXPECT_EQ(TestObjectCount, 0);
{
TestPtr t(TEST_OBJECT(g_object_new(TEST_OBJECT_TYPE, nullptr)), xoj::util::adopt);
EXPECT_FALSE(g_object_is_floating(t.get()));
EXPECT_EQ(TestObjectCount, 1);
}
EXPECT_EQ(TestObjectCount, 0);
{
TestObject* t = TEST_OBJECT(g_object_new(TEST_OBJECT_TYPE, nullptr));
EXPECT_FALSE(g_object_is_floating(t));
g_object_force_floating(G_OBJECT(t));
EXPECT_TRUE(g_object_is_floating(t));
EXPECT_EQ(TestObjectCount, 1);
TestPtr t1(t, xoj::util::adopt); // Adopt a floating ref
EXPECT_EQ(t1.get(), t);
EXPECT_FALSE(g_object_is_floating(t1.get()));
}
EXPECT_EQ(TestObjectCount, 0);
{
TestObject* t = TEST_OBJECT(g_object_new(TEST_OBJECT_TYPE, nullptr));
EXPECT_EQ(TestObjectCount, 1);
TestPtr t1(t, xoj::util::ref);
g_object_unref(t);
EXPECT_EQ(TestObjectCount, 1);
}
EXPECT_EQ(TestObjectCount, 0);
}
TEST(UtilsRAII, testGObjectSPtrReset) {
using TestPtr = xoj::util::GObjectSPtr<TestObject>;
EXPECT_EQ(TestObjectCount, 0);
{
TestPtr t;
t.reset(TEST_OBJECT(g_object_new(TEST_OBJECT_TYPE, nullptr)), xoj::util::adopt);
EXPECT_FALSE(g_object_is_floating(t.get()));
EXPECT_EQ(TestObjectCount, 1);
}
EXPECT_EQ(TestObjectCount, 0);
{
TestObject* t = TEST_OBJECT(g_object_new(TEST_OBJECT_TYPE, nullptr));
EXPECT_FALSE(g_object_is_floating(t));
g_object_force_floating(G_OBJECT(t));
EXPECT_TRUE(g_object_is_floating(t));
EXPECT_EQ(TestObjectCount, 1);
TestPtr t1;
t1.reset(t, xoj::util::adopt); // Adopt a floating ref
EXPECT_EQ(t1.get(), t);
EXPECT_FALSE(g_object_is_floating(t1.get()));
}
EXPECT_EQ(TestObjectCount, 0);
{
TestObject* t = TEST_OBJECT(g_object_new(TEST_OBJECT_TYPE, nullptr));
EXPECT_EQ(TestObjectCount, 1);
TestPtr t1;
t1.reset(t, xoj::util::ref);
g_object_unref(t);
EXPECT_EQ(TestObjectCount, 1);
}
EXPECT_EQ(TestObjectCount, 0);
}
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