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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.
*/
#define ECKIT_NO_DEPRECATION_WARNINGS
#include <cmath>
#include <iostream>
#include "eckit/log/Log.h"
#include "eckit/memory/Owned.h"
#include "eckit/memory/ScopedPtr.h"
#include "eckit/runtime/Tool.h"
#include "eckit/testing/Test.h"
using namespace std;
using namespace eckit;
using namespace eckit::testing;
namespace eckit::test {
/// These tests are similar to the test for boost scoped_ptr and shared ptrs
/// This allows as in the future to drop out, our own home grown managed
/// ptr's in favour of the standards.
//----------------------------------------------------------------------------------------------------------------------
template <class T>
void ck(const T* v1, T v2) {
EXPECT(*v1 == v2);
}
namespace {
static int UDT_use_count = 0; // independent of pointer maintained counts
}
//----------------------------------------------------------------------------------------------------------------------
// user defined type
class UDT {
long value_;
public:
explicit UDT(long value = 0) : value_(value) { ++UDT_use_count; }
~UDT() {
--UDT_use_count;
// std::cout << " UDT with value " << value_ << " being destroyed\n";
}
long value() const { return value_; }
void value(long v) { value_ = v; }
};
//----------------------------------------------------------------------------------------------------------------------
// tests on incomplete types
// Certain smart pointer operations are specified to work on incomplete types,
// and some uses depend upon this feature. These tests verify compilation
// only - the functions aren't actually invoked.
class Incomplete;
Incomplete* check_incomplete(ScopedPtr<Incomplete>& incomplete) {
return incomplete.get();
}
//----------------------------------------------------------------------------------------------------------------------
// TODO issues:
// o/ test shared ptr, in STL containers
// o/ <Not applicable> weak shared ptr
// o/ <Not applicable> enable_shared_from_this/ not required
// o/ <Not applicable> custom deletor
// o/ <Not applicable> ? static pointer cast
CASE("test_scoped_ptr_empty_constructor") {
ScopedPtr<long> sp;
EXPECT(sp.get() == ScopedPtr<long>::pointer_type(0));
EXPECT(sp.release() == ScopedPtr<long>::pointer_type(0));
EXPECT(!sp);
EXPECT_NO_THROW(sp.reset());
}
CASE("test_scoped_ptr") {
// std::cout << "test ScopedPtr with a built-in type\n";
{
long* lp = new long;
ScopedPtr<long> sp(lp);
EXPECT(sp);
EXPECT(sp.get() == lp);
EXPECT(lp == sp.get());
EXPECT(&*sp == lp);
*sp = 1234568901L;
EXPECT(*sp == 1234568901L);
EXPECT(*lp == 1234568901L);
ck(static_cast<long*>(sp.get()), 1234568901L);
ck(lp, *sp);
sp.reset();
EXPECT(sp.get() == ScopedPtr<long>::pointer_type(0));
}
// std::cout << "test ScopedPtr with a user defined type\n";
{
ScopedPtr<UDT> udt_sp(new UDT(999888777));
EXPECT(udt_sp->value() == 999888777);
udt_sp.reset();
udt_sp.reset(new UDT(111222333));
EXPECT(udt_sp->value() == 111222333);
udt_sp.reset(new UDT(333222111));
EXPECT(udt_sp->value() == 333222111);
udt_sp.reset();
EXPECT(udt_sp.get() == ScopedPtr<UDT>::pointer_type(0));
}
}
//----------------------------------------------------------------------------------------------------------------------
} // namespace eckit::test
int main(int argc, char** argv) {
return run_tests(argc, argv);
}
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