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/*
* (C) Copyright 1996- ECMWF.
*
* This software is licensed under the terms of the Apache Licence Version 2.0
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
* In applying this licence, ECMWF does not waive the privileges and immunities
* granted to it by virtue of its status as an intergovernmental organisation nor
* does it submit to any jurisdiction.
*/
#include "eckit/memory/Counted.h"
#include "eckit/testing/Test.h"
using namespace std;
using namespace eckit;
using namespace eckit::testing;
namespace eckit::test {
//----------------------------------------------------------------------------------------------------------------------
struct TestCounted : public Counted {
TestCounted(int val, bool& destroyed) : i(val), destroyed_(destroyed) { destroyed_ = false; }
~TestCounted() override { destroyed_ = true; }
int i;
bool& destroyed_;
};
//----------------------------------------------------------------------------------------------------------------------
CASE("test_count_starts_at_zero") {
bool destroyed = false;
auto* obj = new TestCounted(42, destroyed);
EXPECT(obj->count() == 0);
// Must attach before detach to trigger cleanup
obj->attach();
obj->detach();
EXPECT(destroyed);
}
CASE("test_attach_detach") {
bool destroyed = false;
auto* obj = new TestCounted(10, destroyed);
obj->attach();
EXPECT(obj->count() == 1);
EXPECT(!destroyed);
obj->detach(); // count reaches 0, triggers delete
EXPECT(destroyed);
}
CASE("test_multiple_attach") {
bool destroyed = false;
auto* obj = new TestCounted(20, destroyed);
obj->attach();
EXPECT(obj->count() == 1);
obj->attach();
EXPECT(obj->count() == 2);
obj->attach();
EXPECT(obj->count() == 3);
obj->detach();
EXPECT(obj->count() == 2);
EXPECT(!destroyed);
obj->detach();
EXPECT(obj->count() == 1);
EXPECT(!destroyed);
obj->detach(); // count reaches 0, triggers delete
EXPECT(destroyed);
}
CASE("test_data_access") {
bool destroyed = false;
auto* obj = new TestCounted(99, destroyed);
obj->attach();
EXPECT(obj->i == 99);
obj->i = 42;
EXPECT(obj->i == 42);
obj->detach();
EXPECT(destroyed);
}
//----------------------------------------------------------------------------------------------------------------------
} // namespace eckit::test
int main(int argc, char** argv) {
return run_tests(argc, argv);
}
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