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src/lat/kaldi-lattice-test.cc
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// lat/kaldi-lattice-test.cc
// Copyright 2009-2011 Microsoft Corporation
// 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 "lat/kaldi-lattice.h"
#include "fstext/rand-fst.h"
namespace kaldi {
CompactLattice *RandCompactLattice() {
Lattice *fst = fst::RandPairFst<LatticeArc>();
CompactLattice *cfst = new CompactLattice;
ConvertLattice(*fst, cfst);
delete fst;
return cfst;
}
Lattice *RandLattice() {
Lattice *fst = fst::RandPairFst<LatticeArc>();
return fst;
}
void TestCompactLatticeTable(bool binary) {
CompactLatticeWriter writer(binary ? "ark:tmpf" : "ark,t:tmpf");
int N = 10;
std::vector<CompactLattice*> lat_vec(N);
for (int i = 0; i < N; i++) {
char buf[2];
buf[0] = '0' + i;
buf[1] = '\0';
std::string key = "key" + std::string(buf);
CompactLattice *fst = RandCompactLattice();
lat_vec[i] = fst;
writer.Write(key, *fst);
}
writer.Close();
RandomAccessCompactLatticeReader reader("ark:tmpf");
for (int i = 0; i < N; i++) {
char buf[2];
buf[0] = '0' + i;
buf[1] = '\0';
std::string key = "key" + std::string(buf);
const CompactLattice &fst = reader.Value(key);
KALDI_ASSERT(fst::Equal(fst, *(lat_vec[i])));
delete lat_vec[i];
}
}
// Write as CompactLattice, read as Lattice.
void TestCompactLatticeTableCross(bool binary) {
CompactLatticeWriter writer(binary ? "ark:tmpf" : "ark,t:tmpf");
int N = 10;
std::vector<CompactLattice*> lat_vec(N);
for (int i = 0; i < N; i++) {
char buf[2];
buf[0] = '0' + i;
buf[1] = '\0';
std::string key = "key" + std::string(buf);
CompactLattice *fst = RandCompactLattice();
lat_vec[i] = fst;
writer.Write(key, *fst);
}
writer.Close();
RandomAccessLatticeReader reader("ark:tmpf");
for (int i = 0; i < N; i++) {
char buf[2];
buf[0] = '0' + i;
buf[1] = '\0';
std::string key = "key" + std::string(buf);
const Lattice &fst = reader.Value(key);
CompactLattice fst2;
ConvertLattice(fst, &fst2);
KALDI_ASSERT(fst::Equal(fst2, *(lat_vec[i])));
delete lat_vec[i];
}
}
// Lattice, binary.
void TestLatticeTable(bool binary) {
LatticeWriter writer(binary ? "ark:tmpf" : "ark,t:tmpf");
int N = 10;
std::vector<Lattice*> lat_vec(N);
for (int i = 0; i < N; i++) {
char buf[2];
buf[0] = '0' + i;
buf[1] = '\0';
std::string key = "key" + std::string(buf);
Lattice *fst = RandLattice();
lat_vec[i] = fst;
writer.Write(key, *fst);
}
writer.Close();
RandomAccessLatticeReader reader("ark:tmpf");
for (int i = 0; i < N; i++) {
char buf[2];
buf[0] = '0' + i;
buf[1] = '\0';
std::string key = "key" + std::string(buf);
const Lattice &fst = reader.Value(key);
KALDI_ASSERT(fst::Equal(fst, *(lat_vec[i])));
delete lat_vec[i];
}
}
// Write as Lattice, read as CompactLattice.
void TestLatticeTableCross(bool binary) {
LatticeWriter writer(binary ? "ark:tmpf" : "ark,t:tmpf");
int N = 10;
std::vector<Lattice*> lat_vec(N);
for (int i = 0; i < N; i++) {
char buf[2];
buf[0] = '0' + i;
buf[1] = '\0';
std::string key = "key" + std::string(buf);
Lattice *fst = RandLattice();
lat_vec[i] = fst;
writer.Write(key, *fst);
}
writer.Close();
RandomAccessCompactLatticeReader reader("ark:tmpf");
for (int i = 0; i < N; i++) {
char buf[2];
buf[0] = '0' + i;
buf[1] = '\0';
std::string key = "key" + std::string(buf);
const CompactLattice &fst = reader.Value(key);
Lattice fst2;
ConvertLattice(fst, &fst2);
KALDI_ASSERT(fst::RandEquivalent(fst2, *(lat_vec[i]), 5, 0.01, Rand(), 10));
delete lat_vec[i];
}
}
} // end namespace kaldi
int main() {
using namespace kaldi;
for (int i = 0; i < 2; i++) {
bool binary = (i%2 == 0);
TestCompactLatticeTable(binary);
TestCompactLatticeTableCross(binary);
TestLatticeTable(binary);
TestLatticeTableCross(binary);
}
std::cout << "Test OK
";
unlink("tmpf");
}
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