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#if ISPTR_USE_MODULES
import isptr;
#else
#include <intrusive_shared_ptr/intrusive_shared_ptr.h>
#endif
#include <doctest/doctest.h>
#include "mocks.h"
#include <sstream>
#include <type_traits>
#include <cstdint>
using namespace isptr;
TEST_SUITE("traits") {
TEST_CASE( "Type traits are correct" ) {
using ptr = mock_ptr<instrumented_counted<1>>;
SUBCASE("Construction, destruction and assignment") {
CHECK( sizeof(ptr) == sizeof(instrumented_counted<1> *) );
CHECK( std::alignment_of_v<ptr> == std::alignment_of_v<instrumented_counted<1> *> );
CHECK( std::is_default_constructible_v<ptr> );
CHECK( std::is_nothrow_default_constructible_v<ptr> );
CHECK( !std::is_trivially_default_constructible_v<ptr> );
CHECK( std::is_copy_constructible_v<ptr> );
CHECK( !std::is_trivially_copy_constructible_v<ptr> );
CHECK( std::is_nothrow_copy_constructible_v<ptr> );
CHECK( std::is_move_constructible_v<ptr> );
CHECK( !std::is_trivially_move_constructible_v<ptr> );
CHECK( std::is_nothrow_move_constructible_v<ptr> );
CHECK( std::is_copy_assignable_v<ptr> );
CHECK( !std::is_trivially_copy_assignable_v<ptr> );
CHECK( std::is_nothrow_copy_assignable_v<ptr> );
CHECK( std::is_move_assignable_v<ptr> );
CHECK( !std::is_trivially_move_assignable_v<ptr> );
CHECK( std::is_nothrow_move_assignable_v<ptr> );
CHECK( std::is_swappable_v<ptr> );
CHECK( std::is_nothrow_swappable_v<ptr> );
CHECK( std::is_destructible_v<ptr> );
CHECK( !std::is_trivially_destructible_v<ptr> );
CHECK( std::is_nothrow_destructible_v<ptr> );
CHECK( std::is_constructible_v<ptr, std::nullptr_t> );
CHECK( std::is_nothrow_constructible_v<ptr, std::nullptr_t> );
CHECK( !std::is_trivially_constructible_v<ptr, std::nullptr_t> );
}
using another_ptr = mock_ptr<derived_instrumented_counted<1>>;
SUBCASE( "Conversions to/from other ptr types" ) {
CHECK( std::is_convertible_v<another_ptr, ptr> );
CHECK( std::is_constructible_v<ptr, another_ptr> );
CHECK( !std::is_trivially_constructible_v<ptr, another_ptr> );
CHECK( std::is_nothrow_constructible_v<ptr, another_ptr> );
CHECK( std::is_assignable_v<ptr, another_ptr> );
CHECK( !std::is_trivially_assignable_v<ptr, another_ptr> );
CHECK( std::is_nothrow_assignable_v<ptr, another_ptr> );
CHECK( !std::is_convertible_v<ptr, another_ptr> );
CHECK( !std::is_constructible_v<another_ptr, ptr> );
CHECK( !std::is_assignable_v<another_ptr, ptr> );
}
using ptr_different_traits = mock_ptr_different_traits<instrumented_counted<1>>;
SUBCASE( "Conversions to/from other traits" ) {
CHECK( std::is_convertible_v<ptr_different_traits, ptr> );
CHECK( std::is_convertible_v<ptr, ptr_different_traits> );
CHECK( std::is_constructible_v<ptr, ptr_different_traits> );
CHECK( !std::is_trivially_constructible_v<ptr, ptr_different_traits> );
CHECK( std::is_nothrow_constructible_v<ptr, ptr_different_traits> );
CHECK( std::is_assignable_v<ptr, ptr_different_traits> );
CHECK( !std::is_trivially_assignable_v<ptr, ptr_different_traits> );
CHECK( std::is_nothrow_assignable_v<ptr, ptr_different_traits> );
}
}
using IncompatibleTypes = std::tuple<bool,
char, signed char, unsigned char, wchar_t, char16_t, char32_t,
short, unsigned short,
int, unsigned int,
long, unsigned long,
long long, unsigned long long,
float,
double,
long double,
void *,
instrumented_counted<1> *,
mock_ptr<instrumented_counted<2>>
>;
TEST_CASE_TEMPLATE_DEFINE( "Conversion and assignment from other types", TestType, conv_assign_incompat) {
using ptr = mock_ptr<instrumented_counted<1>>;
CHECK( !std::is_constructible_v<ptr, TestType> );
CHECK( !std::is_assignable_v<ptr, TestType> );
}
TEST_CASE_TEMPLATE_APPLY(conv_assign_incompat, IncompatibleTypes);
}
TEST_SUITE("empty") {
TEST_CASE( "Default constructed and constructed from nullptr ptr behaves like nullptr " ) {
mock_ptr<instrumented_counted<>> empty;
SUBCASE("Default constructed") {
CHECK(empty.get() == nullptr);
CHECK(!bool(empty));
CHECK(empty.operator->() == nullptr);
}
SUBCASE("Construsted from nullptr") {
mock_ptr<instrumented_counted<>> empty1(nullptr);
CHECK(empty1.get() == nullptr);
CHECK(!bool(empty1));
CHECK(empty1.operator->() == nullptr);
}
SUBCASE( "Comparing to another empty ptr" ) {
mock_ptr<instrumented_counted<>> empty1;
CHECK(empty == empty1);
CHECK(!(empty != empty1));
CHECK(!(empty < empty1));
CHECK(empty <= empty1);
CHECK(!(empty > empty1));
CHECK(empty >= empty1);
}
SUBCASE( "Comparing to a ptr created from nullptr" ) {
mock_ptr<instrumented_counted<>> empty1(nullptr);
CHECK(empty == empty1);
CHECK(!(empty != empty1));
CHECK(!(empty < empty1));
CHECK(empty <= empty1);
CHECK(!(empty > empty1));
CHECK(empty >= empty1);
}
SUBCASE( "Comparing to nullptr" ) {
CHECK(empty == nullptr);
CHECK(nullptr == empty );
CHECK(!(empty != nullptr));
CHECK(!(nullptr != empty));
}
SUBCASE( "Comparing to raw pointer" ) {
instrumented_counted<> * raw = nullptr;
CHECK(empty == raw);
CHECK(raw == empty );
CHECK(!(empty != raw));
CHECK(!(raw != empty));
CHECK(!(empty < raw));
CHECK(!(raw < empty));
CHECK(empty <= raw);
CHECK(raw <= empty);
CHECK(!(empty > raw));
CHECK(!(raw > empty));
CHECK(empty >= raw);
CHECK(raw >= empty);
}
SUBCASE( "Comparing to void pointer" ) {
void * raw = nullptr;
CHECK(empty == raw);
CHECK(raw == empty );
CHECK(!(empty != raw));
CHECK(!(raw != empty));
CHECK(!(empty < raw));
CHECK(!(raw < empty));
CHECK(empty <= raw);
CHECK(raw <= empty);
CHECK(!(empty > raw));
CHECK(!(raw > empty));
CHECK(empty >= raw);
CHECK(raw >= empty);
}
SUBCASE( "Comparing to different traits" ) {
mock_ptr_different_traits<instrumented_counted<>> empty1;
CHECK(empty == empty1);
CHECK(!(empty != empty1));
CHECK(!(empty < empty1));
CHECK(empty <= empty1);
CHECK(!(empty > empty1));
CHECK(empty >= empty1);
}
}
}
TEST_SUITE("counting") {
TEST_CASE( "Basic counting " ) {
SUBCASE( "Attach" ) {
instrumented_counted<> object;
auto ptr = mock_noref(&object);
REQUIRE( &object == ptr.get() );
REQUIRE( object.count == 1 );
CHECK(bool(ptr));
CHECK(ptr.operator->() == &object);
}
SUBCASE( "Ref" ) {
instrumented_counted<> object;
auto ptr = mock_ref(&object);
REQUIRE( &object == ptr.get() );
REQUIRE( object.count == 2 );
CHECK(bool(ptr));
CHECK(ptr.operator->() == &object);
mock_traits<>::sub_ref(&object);
}
SUBCASE( "Release" ) {
instrumented_counted<> object;
auto ptr = mock_noref(&object);
REQUIRE( object.count == 1 );
auto p = ptr.release();
CHECK( p == &object );
CHECK(ptr.get() == nullptr);
CHECK(!bool(ptr));
CHECK(ptr.operator->() == nullptr);
mock_traits<>::sub_ref(&object);
}
SUBCASE( "Reset" ) {
instrumented_counted<> object;
auto ptr = mock_noref(&object);
REQUIRE( object.count == 1 );
ptr.reset();
CHECK(ptr.get() == nullptr);
CHECK(!bool(ptr));
CHECK(ptr.operator->() == nullptr);
}
SUBCASE( "Copy and assignment" ) {
instrumented_counted<> object;
auto ptr = mock_noref(&object);
REQUIRE( object.count == 1 );
auto ptr2(ptr);
REQUIRE( object.count == 2 );
auto ptr3(mock_ref(&object));
REQUIRE( object.count == 3 );
mock_ptr<instrumented_counted<>> ptr4;
ptr4 = ptr;
REQUIRE( object.count == 4 );
mock_ptr<instrumented_counted<>> ptr5;
ptr5 = mock_ref(&object);
REQUIRE( object.count == 5 );
}
SUBCASE( "Self assignment" ) {
instrumented_counted<> object;
auto ptr = mock_noref(&object);
ptr = ptr;
REQUIRE( object.count == 1 );
ptr = std::move(ptr);
REQUIRE( ptr.get() == &object );
REQUIRE( object.count == 1 );
}
SUBCASE( " Swap ") {
instrumented_counted<> object1, object2;
auto ptr1 = mock_noref(&object1);
auto ptr2 = mock_noref(&object2);
swap(ptr1, ptr2);
CHECK( ptr1.get() == &object2 );
CHECK( ptr2.get() == &object1 );
REQUIRE( object1.count == 1 );
REQUIRE( object2.count == 1 );
ptr1.swap(ptr2);
CHECK( ptr1.get() == &object1 );
CHECK( ptr2.get() == &object2 );
REQUIRE( object1.count == 1 );
REQUIRE( object2.count == 1 );
ptr2.swap(ptr1);
CHECK( ptr1.get() == &object2 );
CHECK( ptr2.get() == &object1 );
REQUIRE( object1.count == 1 );
REQUIRE( object2.count == 1 );
}
}
TEST_CASE( "Conversions " ) {
SUBCASE( "Attach" ) {
derived_instrumented_counted<> object;
mock_ptr<instrumented_counted<>> ptr = mock_noref(&object);
REQUIRE( &object == ptr.get() );
REQUIRE( object.count == 1 );
CHECK(bool(ptr));
CHECK(ptr.operator->() == &object);
}
SUBCASE( "Ref" ) {
derived_instrumented_counted<> object;
mock_ptr<instrumented_counted<>> ptr = mock_ref(&object);
REQUIRE( &object == ptr.get() );
REQUIRE( object.count == 2 );
CHECK(bool(ptr));
CHECK(ptr.operator->() == &object);
mock_traits<>::sub_ref(&object);
}
SUBCASE( "Release" ) {
derived_instrumented_counted<> object;
mock_ptr<instrumented_counted<>> ptr = mock_noref(&object);
REQUIRE( object.count == 1 );
auto p = ptr.release();
CHECK( p == &object );
CHECK(ptr.get() == nullptr);
CHECK(!bool(ptr));
CHECK(ptr.operator->() == nullptr);
mock_traits<>::sub_ref(&object);
}
SUBCASE( "Reset" ) {
derived_instrumented_counted<> object;
mock_ptr<instrumented_counted<>> ptr = mock_noref(&object);
REQUIRE( object.count == 1 );
ptr.reset();
CHECK(ptr.get() == nullptr);
CHECK(!bool(ptr));
CHECK(ptr.operator->() == nullptr);
}
SUBCASE( "Copy and assignment" ) {
derived_instrumented_counted<> object;
auto ptr = mock_noref(&object);
REQUIRE( object.count == 1 );
mock_ptr<instrumented_counted<>> ptr2(ptr);
REQUIRE( object.count == 2 );
mock_ptr<instrumented_counted<>> ptr3(mock_ref(&object));
REQUIRE( object.count == 3 );
mock_ptr<instrumented_counted<>> ptr4;
ptr4 = ptr;
REQUIRE( object.count == 4 );
mock_ptr<instrumented_counted<>> ptr5;
ptr5 = mock_ref(&object);
REQUIRE( object.count == 5 );
}
}
TEST_CASE( "Different traits " ) {
SUBCASE( "Copy" ) {
instrumented_counted<> object;
mock_ptr_different_traits<instrumented_counted<>> ptr = mock_noref_different_traits(&object);
mock_ptr<instrumented_counted<>> ptr1(ptr);
REQUIRE( &object == ptr1.get() );
REQUIRE( object.count == 2 );
}
SUBCASE( "Move" ) {
instrumented_counted<> object;
mock_ptr_different_traits<instrumented_counted<>> ptr = mock_noref_different_traits(&object);
mock_ptr<instrumented_counted<>> ptr1(std::move(ptr));
REQUIRE( &object == ptr1.get() );
REQUIRE( object.count == 1 );
}
}
TEST_CASE( "Casts" ) {
derived_instrumented_counted<> object;
const instrumented_counted<> const_object;
derived_instrumented_counted<> derived_object;
mock_ptr<instrumented_counted<>> ptr = mock_noref(&object);
auto ptr_const = mock_noref(&const_object);
auto ptr_derived = mock_noref(&derived_object);
SUBCASE( "Const cast" ) {
auto res = intrusive_const_cast<mock_ptr<instrumented_counted<>>>(ptr_const);
CHECK( res.get() == &const_object );
CHECK( const_object.count == 2 );
res = intrusive_const_cast<mock_ptr<instrumented_counted<>>>(mock_ref(&const_object));
CHECK( res.get() == &const_object );
CHECK( const_object.count == 2 );
}
SUBCASE( "Dynamic cast" ) {
auto res = intrusive_dynamic_cast<mock_ptr<derived_instrumented_counted<>>>(ptr);
CHECK( res.get() == &object );
CHECK( object.count == 2 );
res = intrusive_dynamic_cast<mock_ptr<derived_instrumented_counted<>>>(mock_ptr<instrumented_counted<>>(ptr));
CHECK( res.get() == &object );
CHECK( object.count == 2 );
auto res1 = intrusive_dynamic_cast<mock_ptr<const derived_instrumented_counted<>>>(ptr_const);
CHECK( !res1 );
res1 = intrusive_dynamic_cast<mock_ptr<const derived_instrumented_counted<>>>(mock_ref(&const_object));
CHECK( !res1 );
}
SUBCASE( "Static cast" ) {
auto res = intrusive_static_cast<mock_ptr<derived_instrumented_counted<>>>(ptr);
CHECK( res.get() == &object );
CHECK( object.count == 2 );
res = intrusive_static_cast<mock_ptr<derived_instrumented_counted<>>>(mock_ptr<instrumented_counted<>>(ptr));
CHECK( res.get() == &object );
CHECK( object.count == 2 );
}
}
}
TEST_SUITE("output") {
TEST_CASE( "Output" ) {
instrumented_counted<> object;
auto ptr = mock_noref(&object);
std::ostringstream str1;
auto & res = (str1 << ptr);
CHECK( &res == &str1 );
std::ostringstream str2;
str2 << &object;
CHECK( str1.str() == str2.str() );
}
}
TEST_SUITE("output param") {
TEST_CASE( "Output param" ) {
instrumented_counted<> object, object1;
auto ptr = mock_noref(&object);
auto ptr1 = mock_noref(&object1);
auto func = [&object1] (instrumented_counted<> ** out) {
mock_traits<>::add_ref(&object1);
*out = &object1;
};
func(ptr.get_output_param());
CHECK( ptr.get() == &object1 );
CHECK( object.count == -1 );
CHECK( object1.count == 2 );
}
TEST_CASE( "Member pointer" ) {
instrumented_counted<> object;
auto ptr = mock_noref(&object);
int instrumented_counted<>::*pcount = &instrumented_counted<>::count;
auto x = ptr->*pcount;
CHECK(x == 1);
}
}
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