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// fst_test.cc
// 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
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Copyright 2005-2010 Google, Inc.
// Author: riley@google.com (Michael Riley)
//
// \file
// Regression test for FST classes.
#include "./fst_test.h"
#include <fst/compact-fst.h>
#include <fst/const-fst.h>
#include <fst/edit-fst.h>
#include <fst/matcher-fst.h>
namespace fst {
// A user-defined arc type.
struct CustomArc {
typedef short Label;
typedef ProductWeight<TropicalWeight, LogWeight> Weight;
typedef int64 StateId;
CustomArc(Label i, Label o, Weight w, StateId s) :
ilabel(i), olabel(o), weight(w), nextstate(s) {}
CustomArc() {}
static const string &Type() { // Arc type name
static const string type = "my";
return type;
}
Label ilabel; // Transition input label
Label olabel; // Transition output label
Weight weight; // Transition weight
StateId nextstate; // Transition destination state
};
// A user-defined compactor for test FST.
template <class A>
class CustomCompactor {
public:
typedef A Arc;
typedef typename A::Label Label;
typedef typename A::StateId StateId;
typedef typename A::Weight Weight;
typedef pair<Label, Weight> Element;
Element Compact(StateId s, const A &arc) const {
return make_pair(arc.ilabel, arc.weight);
}
Arc Expand(StateId s, const Element &p, uint32 f = kArcValueFlags) const {
return p.first == kNoLabel ?
Arc(kNoLabel, kNoLabel, p.second, kNoStateId) :
Arc(p.first, 0, p.second, s);
}
ssize_t Size() const { return -1;}
uint64 Properties() const { return 0ULL;}
bool Compatible(const Fst<A> &fst) const {
return true;
}
static const string &Type() {
static const string type = "my";
return type;
}
bool Write(ostream &strm) const { return true; }
static CustomCompactor *Read(istream &strm) {
return new CustomCompactor;
}
};
REGISTER_FST(VectorFst, CustomArc);
REGISTER_FST(ConstFst, CustomArc);
static fst::FstRegisterer<
CompactFst<StdArc, CustomCompactor<StdArc> > >
CompactFst_StdArc_CustomCompactor_registerer;
static fst::FstRegisterer<
CompactFst<CustomArc, CustomCompactor<CustomArc> > >
CompactFst_CustomArc_CustomCompactor_registerer;
static fst::FstRegisterer<ConstFst<StdArc, uint16> >
ConstFst_StdArc_uint16_registerer;
static fst::FstRegisterer<
CompactFst<StdArc, CustomCompactor<StdArc>, uint16> >
CompactFst_StdArc_CustomCompactor_uint16_registerer;
} // namespace fst
using fst::FstTester;
using fst::VectorFst;
using fst::ConstFst;
using fst::MatcherFst;
using fst::CompactFst;
using fst::Fst;
using fst::StdArc;
using fst::CustomArc;
using fst::CustomCompactor;
using fst::StdArcLookAheadFst;
using fst::EditFst;
int main(int argc, char **argv) {
FLAGS_fst_verify_properties = true;
std::set_new_handler(FailedNewHandler);
SetFlags(argv[0], &argc, &argv, true);
// VectorFst<StdArc> tests
{
FstTester< VectorFst<StdArc> > std_vector_tester;
std_vector_tester.TestBase();
std_vector_tester.TestExpanded();
std_vector_tester.TestAssign();
std_vector_tester.TestCopy();
std_vector_tester.TestIO();
std_vector_tester.TestMutable();
}
// ConstFst<StdArc> tests
{
FstTester< ConstFst<StdArc> > std_const_tester;
std_const_tester.TestBase();
std_const_tester.TestExpanded();
std_const_tester.TestCopy();
std_const_tester.TestIO();
}
// CompactFst<StdArc, CustomCompactor<StdArc> >
{
FstTester< CompactFst<StdArc, CustomCompactor<StdArc> > >
std_compact_tester;
std_compact_tester.TestBase();
std_compact_tester.TestExpanded();
std_compact_tester.TestCopy();
std_compact_tester.TestIO();
}
// VectorFst<CustomArc> tests
{
FstTester< VectorFst<CustomArc> > std_vector_tester;
std_vector_tester.TestBase();
std_vector_tester.TestExpanded();
std_vector_tester.TestAssign();
std_vector_tester.TestCopy();
std_vector_tester.TestIO();
std_vector_tester.TestMutable();
}
// ConstFst<CustomArc> tests
{
FstTester< ConstFst<CustomArc> > std_const_tester;
std_const_tester.TestBase();
std_const_tester.TestExpanded();
std_const_tester.TestCopy();
std_const_tester.TestIO();
}
// CompactFst<CustomArc, CustomCompactor<CustomArc> >
{
FstTester< CompactFst<CustomArc, CustomCompactor<CustomArc> > >
std_compact_tester;
std_compact_tester.TestBase();
std_compact_tester.TestExpanded();
std_compact_tester.TestCopy();
std_compact_tester.TestIO();
}
// ConstFst<StdArc, uint16> tests
{
FstTester< ConstFst<StdArc, uint16> > std_const_tester;
std_const_tester.TestBase();
std_const_tester.TestExpanded();
std_const_tester.TestCopy();
std_const_tester.TestIO();
}
// CompactFst<StdArc, CustomCompactor<StdArc>, uint16>
{
FstTester< CompactFst<StdArc, CustomCompactor<StdArc>, uint16> >
std_compact_tester;
std_compact_tester.TestBase();
std_compact_tester.TestExpanded();
std_compact_tester.TestCopy();
std_compact_tester.TestIO();
}
// FstTester<StdArcLookAheadFst>
{
FstTester<StdArcLookAheadFst> std_matcher_tester;
std_matcher_tester.TestBase();
std_matcher_tester.TestExpanded();
std_matcher_tester.TestCopy();
}
// EditFst<StdArc> tests
{
FstTester< EditFst<StdArc> > std_edit_tester;
std_edit_tester.TestBase();
std_edit_tester.TestExpanded();
std_edit_tester.TestAssign();
std_edit_tester.TestCopy();
std_edit_tester.TestMutable();
}
cout << "PASS" << endl;
return 0;
}
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