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exceptions.cpp
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Thu, Feb 20, 23:10

exceptions.cpp
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// 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 and non trivially copyable scalar type.
// - no memory leak when a custom scalar type trow an exceptions
// - todo: complete the list of tests!
#define EIGEN_STACK_ALLOCATION_LIMIT 100000000
#include "main.h"
#include "AnnoyingScalar.h"
#define CHECK_MEMLEAK(OP) { \
AnnoyingScalar::countdown = 100; \
int before = AnnoyingScalar::instances; \
bool exception_thrown = false; \
try { OP; } \
catch (my_exception) { \
exception_thrown = true; \
VERIFY(AnnoyingScalar::instances==before && "memory leak detected in " && EIGEN_MAKESTRING(OP)); \
} \
VERIFY( (AnnoyingScalar::dont_throw) || (exception_thrown && " no exception thrown in " && EIGEN_MAKESTRING(OP)) ); \
}
EIGEN_DECLARE_TEST(exceptions)
{
typedef Eigen::Matrix<AnnoyingScalar,Dynamic,1> VectorType;
typedef Eigen::Matrix<AnnoyingScalar,Dynamic,Dynamic> MatrixType;
{
AnnoyingScalar::dont_throw = false;
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(AnnoyingScalar::instances==0 && "global memory leak detected in " && EIGEN_MAKESTRING(OP));
}

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