aosp12/external/eigen/test/ctorleak.cpp

70 lines
1.7 KiB
C++

#include "main.h"
#include <exception> // std::exception
struct Foo
{
static Index object_count;
static Index object_limit;
int dummy;
Foo()
{
#ifdef EIGEN_EXCEPTIONS
// TODO: Is this the correct way to handle this?
if (Foo::object_count > Foo::object_limit) { std::cout << "\nThrow!\n"; throw Foo::Fail(); }
#endif
std::cout << '+';
++Foo::object_count;
}
~Foo()
{
std::cout << '-';
--Foo::object_count;
}
class Fail : public std::exception {};
};
Index Foo::object_count = 0;
Index Foo::object_limit = 0;
#undef EIGEN_TEST_MAX_SIZE
#define EIGEN_TEST_MAX_SIZE 3
void test_ctorleak()
{
typedef Matrix<Foo, Dynamic, Dynamic> MatrixX;
typedef Matrix<Foo, Dynamic, 1> VectorX;
Foo::object_count = 0;
for(int i = 0; i < g_repeat; i++) {
Index rows = internal::random<Index>(2,EIGEN_TEST_MAX_SIZE), cols = internal::random<Index>(2,EIGEN_TEST_MAX_SIZE);
Foo::object_limit = internal::random<Index>(0, rows*cols - 2);
std::cout << "object_limit =" << Foo::object_limit << std::endl;
#ifdef EIGEN_EXCEPTIONS
try
{
#endif
std::cout << "\nMatrixX m(" << rows << ", " << cols << ");\n";
MatrixX m(rows, cols);
#ifdef EIGEN_EXCEPTIONS
VERIFY(false); // not reached if exceptions are enabled
}
catch (const Foo::Fail&) { /* ignore */ }
#endif
VERIFY_IS_EQUAL(Index(0), Foo::object_count);
{
Foo::object_limit = (rows+1)*(cols+1);
MatrixX A(rows, cols);
VERIFY_IS_EQUAL(Foo::object_count, rows*cols);
VectorX v=A.row(0);
VERIFY_IS_EQUAL(Foo::object_count, (rows+1)*cols);
v = A.col(0);
VERIFY_IS_EQUAL(Foo::object_count, rows*(cols+1));
}
VERIFY_IS_EQUAL(Index(0), Foo::object_count);
}
}