You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
113 lines
3.6 KiB
113 lines
3.6 KiB
// This file is part of Eigen, a lightweight C++ template library
|
|
// for linear algebra.
|
|
//
|
|
// Copyright (C) 2011 Gael Guennebaud <gael.guennebaud@inria.fr>
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla
|
|
// Public License v. 2.0. If a copy of the MPL was not distributed
|
|
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
|
|
// Various sanity tests with exceptions:
|
|
// - no memory leak when a custom scalar type trow an exceptions
|
|
// - todo: complete the list of tests!
|
|
|
|
#define STORMEIGEN_STACK_ALLOCATION_LIMIT 100000000
|
|
|
|
#include "main.h"
|
|
|
|
struct my_exception
|
|
{
|
|
my_exception() {}
|
|
~my_exception() {}
|
|
};
|
|
|
|
class ScalarWithExceptions
|
|
{
|
|
public:
|
|
ScalarWithExceptions() { init(); }
|
|
ScalarWithExceptions(const float& _v) { init(); *v = _v; }
|
|
ScalarWithExceptions(const ScalarWithExceptions& other) { init(); *v = *(other.v); }
|
|
~ScalarWithExceptions() {
|
|
delete v;
|
|
instances--;
|
|
}
|
|
|
|
void init() {
|
|
v = new float;
|
|
instances++;
|
|
}
|
|
|
|
ScalarWithExceptions operator+(const ScalarWithExceptions& other) const
|
|
{
|
|
countdown--;
|
|
if(countdown<=0)
|
|
throw my_exception();
|
|
return ScalarWithExceptions(*v+*other.v);
|
|
}
|
|
|
|
ScalarWithExceptions operator-(const ScalarWithExceptions& other) const
|
|
{ return ScalarWithExceptions(*v-*other.v); }
|
|
|
|
ScalarWithExceptions operator*(const ScalarWithExceptions& other) const
|
|
{ return ScalarWithExceptions((*v)*(*other.v)); }
|
|
|
|
ScalarWithExceptions& operator+=(const ScalarWithExceptions& other)
|
|
{ *v+=*other.v; return *this; }
|
|
ScalarWithExceptions& operator-=(const ScalarWithExceptions& other)
|
|
{ *v-=*other.v; return *this; }
|
|
ScalarWithExceptions& operator=(const ScalarWithExceptions& other)
|
|
{ *v = *(other.v); return *this; }
|
|
|
|
bool operator==(const ScalarWithExceptions& other) const
|
|
{ return *v==*other.v; }
|
|
bool operator!=(const ScalarWithExceptions& other) const
|
|
{ return *v!=*other.v; }
|
|
|
|
float* v;
|
|
static int instances;
|
|
static int countdown;
|
|
};
|
|
|
|
ScalarWithExceptions real(const ScalarWithExceptions &x) { return x; }
|
|
ScalarWithExceptions imag(const ScalarWithExceptions & ) { return 0; }
|
|
ScalarWithExceptions conj(const ScalarWithExceptions &x) { return x; }
|
|
|
|
int ScalarWithExceptions::instances = 0;
|
|
int ScalarWithExceptions::countdown = 0;
|
|
|
|
|
|
#define CHECK_MEMLEAK(OP) { \
|
|
ScalarWithExceptions::countdown = 100; \
|
|
int before = ScalarWithExceptions::instances; \
|
|
bool exception_thrown = false; \
|
|
try { OP; } \
|
|
catch (my_exception) { \
|
|
exception_thrown = true; \
|
|
VERIFY(ScalarWithExceptions::instances==before && "memory leak detected in " && STORMEIGEN_MAKESTRING(OP)); \
|
|
} \
|
|
VERIFY(exception_thrown && " no exception thrown in " && STORMEIGEN_MAKESTRING(OP)); \
|
|
}
|
|
|
|
void memoryleak()
|
|
{
|
|
typedef StormEigen::Matrix<ScalarWithExceptions,Dynamic,1> VectorType;
|
|
typedef StormEigen::Matrix<ScalarWithExceptions,Dynamic,Dynamic> MatrixType;
|
|
|
|
{
|
|
int n = 50;
|
|
VectorType v0(n), v1(n);
|
|
MatrixType m0(n,n), m1(n,n), m2(n,n);
|
|
v0.setOnes(); v1.setOnes();
|
|
m0.setOnes(); m1.setOnes(); m2.setOnes();
|
|
CHECK_MEMLEAK(v0 = m0 * m1 * v1);
|
|
CHECK_MEMLEAK(m2 = m0 * m1 * m2);
|
|
CHECK_MEMLEAK((v0+v1).dot(v0+v1));
|
|
}
|
|
VERIFY(ScalarWithExceptions::instances==0 && "global memory leak detected in " && STORMEIGEN_MAKESTRING(OP)); \
|
|
}
|
|
|
|
void test_exceptions()
|
|
{
|
|
CALL_SUBTEST( memoryleak() );
|
|
}
|