epsilon-property-test.cc
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// fstext/epsilon-property-test.cc
// Copyright 2014 Johns Hopkins University (Author: Daniel Povey)
// See ../../COPYING for clarification regarding multiple authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
// WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
// MERCHANTABLITY OR NON-INFRINGEMENT.
// See the Apache 2 License for the specific language governing permissions and
// limitations under the License.
#include "fstext/rand-fst.h"
#include "fstext/epsilon-property.h"
namespace fst {
void TestEnsureEpsilonProperty() {
for (int32 i = 0; i < 10; i++) {
RandFstOptions opts;
opts.acyclic = true;
VectorFst<LogArc> *fst = RandFst<LogArc>(opts);
VectorFst<LogArc> fst2(*fst); // copy it...
EnsureEpsilonProperty(&fst2);
std::vector<char> info;
ComputeStateInfo(fst2, &info);
for (size_t i = 0; i < info.size(); i++) {
char c = info[i];
assert(!((c & kStateHasEpsilonArcsEntering) != 0 &&
(c & kStateHasNonEpsilonArcsEntering) != 0));
assert(!((c & kStateHasEpsilonArcsLeaving) != 0 &&
(c & kStateHasNonEpsilonArcsLeaving) != 0));
}
assert(RandEquivalent(fst2, *fst, 5, 0.01, kaldi::Rand(), 10));
delete fst;
}
}
} // end namespace fst
int main() {
using namespace fst;
for (int i = 0; i < 2; i++) {
TestEnsureEpsilonProperty();
}
std::cout << "Test OK\n";
}