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// Ceres Solver - A fast non-linear least squares minimizer
// Copyright 2012 Google Inc. All rights reserved.
// http://code.google.com/p/ceres-solver/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of Google Inc. nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Author: keir@google.com (Keir Mierle)
#include "gtest/gtest.h"
#include "ceres/iteration_callback.h"
#include "ceres/minimizer.h"
#include "ceres/solver.h"
namespace ceres {
namespace internal {
class FakeIterationCallback : public IterationCallback {
public:
virtual ~FakeIterationCallback() {}
virtual CallbackReturnType operator()(const IterationSummary& summary) {
return SOLVER_CONTINUE;
}
};
TEST(Minimizer, InitializationCopiesCallbacks) {
FakeIterationCallback callback0;
FakeIterationCallback callback1;
Solver::Options solver_options;
solver_options.callbacks.push_back(&callback0);
solver_options.callbacks.push_back(&callback1);
Minimizer::Options minimizer_options(solver_options);
ASSERT_EQ(2, minimizer_options.callbacks.size());
EXPECT_EQ(minimizer_options.callbacks[0], &callback0);
EXPECT_EQ(minimizer_options.callbacks[1], &callback1);
}
class AbortingIterationCallback : public IterationCallback {
public:
virtual ~AbortingIterationCallback() {}
virtual CallbackReturnType operator()(const IterationSummary& summary) {
return SOLVER_ABORT;
}
};
TEST(Minimizer, UserAbortUpdatesSummaryMessage) {
AbortingIterationCallback callback;
Solver::Options solver_options;
solver_options.callbacks.push_back(&callback);
Minimizer::Options minimizer_options(solver_options);
Solver::Summary summary;
Minimizer::RunCallbacks(minimizer_options, IterationSummary(), &summary);
EXPECT_EQ(summary.message, "User callback returned SOLVER_ABORT.");
}
class SucceedingIterationCallback : public IterationCallback {
public:
virtual ~SucceedingIterationCallback() {}
virtual CallbackReturnType operator()(const IterationSummary& summary) {
return SOLVER_TERMINATE_SUCCESSFULLY;
}
};
TEST(Minimizer, UserSuccessUpdatesSummaryMessage) {
SucceedingIterationCallback callback;
Solver::Options solver_options;
solver_options.callbacks.push_back(&callback);
Minimizer::Options minimizer_options(solver_options);
Solver::Summary summary;
Minimizer::RunCallbacks(minimizer_options, IterationSummary(), &summary);
EXPECT_EQ(summary.message,
"User callback returned SOLVER_TERMINATE_SUCCESSFULLY.");
}
} // namespace internal
} // namespace ceres
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