1 #include <boost/test/auto_unit_test.hpp>
2 #include <boost/filesystem/path.hpp>
3 #include <boost/filesystem/operations.hpp>
4 namespace fs=boost::filesystem;
10 #include <boost/archive/text_oarchive.hpp>
11 #include <boost/archive/text_iarchive.hpp>
12 #include <boost/archive/xml_oarchive.hpp>
13 #include <boost/archive/xml_iarchive.hpp>
15 #include "alg/sequence.hpp"
16 #include "mussa_exceptions.hpp"
20 BOOST_AUTO_TEST_CASE( sequence_get_sequence )
23 // make sure that retrieving the sequence doesn't throw an error
24 BOOST_CHECK_EQUAL(s.get_sequence(), std::string() );
27 //! when we try to load a missing file, do we get an error?
28 BOOST_AUTO_TEST_CASE( sequence_load_exception )
31 // there should be errors when we try to load something that doesn't exist
32 BOOST_CHECK_THROW( s.load_fasta("alkejralk", 1, 0, 0), mussa_load_error);
33 BOOST_CHECK_THROW( s.load_annot("alkejralk", 0, 0), mussa_load_error);
36 BOOST_AUTO_TEST_CASE( sequence_eol_conventions )
38 string header(">Header");
39 string line1("AAAAGGGGCCCCTTTTT");
40 string line2("AAAAGGGGCCCCTTTTT");
41 int seq_len = line1.size() + line2.size();
44 cr << header << "\015" << line1 << "\015" << line2 << "\015";
46 seq_cr.load_fasta(cr);
49 crlf << header << "\015\012" << line1 << "\015\012" << line2 << "\015\012";
51 seq_crlf.load_fasta(crlf);
54 lf << header << "\012" << line1 << "\012" << line2 << "\012";
56 seq_lf.load_fasta(lf);
58 BOOST_CHECK_EQUAL(seq_cr.size(), seq_len);
59 BOOST_CHECK_EQUAL(seq_crlf.size(), seq_len);
60 BOOST_CHECK_EQUAL(seq_cr.size(), seq_len);
64 //! Do simple operations work correctly?
65 BOOST_AUTO_TEST_CASE( sequence_filter )
67 const char *core_seq = "AATTGGCC";
68 Sequence s1(core_seq);
69 BOOST_CHECK_EQUAL(s1, core_seq);
71 Sequence s2("aattggcc");
72 BOOST_CHECK_EQUAL(s2, "AATTGGCC");
73 BOOST_CHECK_EQUAL(s2.rev_comp(), "GGCCAATT");
74 BOOST_CHECK_EQUAL(s2.size(), s2.size());
75 BOOST_CHECK_EQUAL(s2.get_sequence(), core_seq);
78 BOOST_CHECK_EQUAL(s3, "ANNNG");
79 BOOST_CHECK_EQUAL(s3.subseq(0,2), "AN");
81 s3.set_filtered_sequence("AAGGCCTT", 0, 2);
82 BOOST_CHECK_EQUAL(s3, "AA");
83 s3.set_filtered_sequence("AAGGCCTT", 2, 2);
84 BOOST_CHECK_EQUAL( s3, "GG");
85 s3.set_filtered_sequence("AAGGCCTT", 4);
86 BOOST_CHECK_EQUAL( s3, "CCTT");
89 BOOST_CHECK_EQUAL(s3, "AAGGNN");
92 BOOST_AUTO_TEST_CASE( subseq_names )
94 Sequence s1("AAGGCCTT");
95 s1.set_species("species");
96 s1.set_fasta_header("a fasta header");
97 Sequence s2 = s1.subseq(2,2);
98 BOOST_CHECK_EQUAL(s2, "GG");
99 BOOST_CHECK_EQUAL(s2.get_species(), s1.get_species());
100 BOOST_CHECK_EQUAL(s2.get_fasta_header(), s1.get_fasta_header());
103 BOOST_AUTO_TEST_CASE( sequence_start_stop )
106 BOOST_CHECK_EQUAL( s1.start(), 0 );
107 BOOST_CHECK_EQUAL( s1.stop(), 0 );
109 std::string seq_string("AAGGCCTT");
110 Sequence s2(seq_string);
111 BOOST_CHECK_EQUAL( s2.start(), 0 );
112 BOOST_CHECK_EQUAL( s2.stop(), seq_string.size() );
114 std::string s3seq_string = seq_string.substr(2,3);
115 Sequence s3 = s2.subseq(2,3);
116 BOOST_CHECK_EQUAL( s3.start(), 2);
117 BOOST_CHECK_EQUAL( s3.stop(), 2+3);
118 BOOST_CHECK_EQUAL( s3.size(), 3);
119 BOOST_CHECK_EQUAL( s3, s3seq_string);
121 std::string s4seq_string = s3seq_string.substr(1,1);
122 Sequence s4 = s3.subseq(1,1);
123 BOOST_CHECK_EQUAL( s4.start(), 1 );
124 BOOST_CHECK_EQUAL( s4.stop(), 1+1);
125 BOOST_CHECK_EQUAL( s4.size(), 1);
126 BOOST_CHECK_EQUAL( s4, s4seq_string);
129 //! Can we load data from a file
130 BOOST_AUTO_TEST_CASE( sequence_load )
132 fs::path seq_path(fs::path(EXAMPLE_DIR, fs::native)/ "seq");
133 seq_path /= "human_mck_pro.fa";
135 s.load_fasta(seq_path);
136 BOOST_CHECK_EQUAL(s.subseq(0, 5), "GGATC"); // first few chars of fasta file
137 BOOST_CHECK_EQUAL(s.subseq(2, 3), "ATC");
138 BOOST_CHECK_EQUAL(s.get_fasta_header(), "gi|180579|gb|M21487.1|HUMCKMM1 Human "
139 "muscle creatine kinase gene (CKMM), "
143 BOOST_AUTO_TEST_CASE( annotation_load )
145 string annot_data = "human\n"
149 "50\t55 anothername\n"
154 "75\t90\tname2\ttype2\n"
155 "100 120 name-asdf type!@#$%\n"
161 //istringstream annot_stream(annot_data);
162 seq.parse_annot(annot_data, 0, 0);
163 std::list<annot> annots_list = seq.annotations();
164 std::vector<annot> annots(annots_list.begin(), annots_list.end());
165 BOOST_REQUIRE_EQUAL( annots.size(), 8);
166 BOOST_CHECK_EQUAL( annots[0].begin, 0 );
167 BOOST_CHECK_EQUAL( annots[0].end, 10 );
168 BOOST_CHECK_EQUAL( annots[0].type, "type");
169 BOOST_CHECK_EQUAL( annots[0].name, "name");
170 BOOST_CHECK_EQUAL( annots[1].name, "myf7");
171 BOOST_CHECK_EQUAL( annots[2].name, "myod");
172 BOOST_CHECK_EQUAL( annots[3].name, "anothername");
173 BOOST_CHECK_EQUAL( annots[4].name, "backward");
174 BOOST_CHECK_EQUAL( annots[5].name, "name2");
175 BOOST_CHECK_EQUAL( annots[5].end, 90);
176 BOOST_CHECK_EQUAL( annots[6].begin, 100);
177 BOOST_CHECK_EQUAL( annots[6].end, 120);
178 BOOST_CHECK_EQUAL( annots[6].name, "name-asdf");
179 BOOST_CHECK_EQUAL( annots[6].type, "type!@#$%");
180 // sequence defined annotations will always be after the
181 // absolute positions
182 BOOST_CHECK_EQUAL( annots[7].name, "ident3 asdf");
183 BOOST_CHECK_EQUAL( annots[7].begin, 100);
185 //BOOST_CHECK_EQUAL( annots
189 BOOST_AUTO_TEST_CASE(annotation_ucsc_html_load)
191 // this actually is basically what's returned by UCSC
192 // (well actually with some of the sequence and copies of fasta blocks
193 // removed to make the example shorter
194 string annot_data = "\n"
196 ">hg17_knownGene_NM_001824_0 range=chr19:50517919-50517974 5'pad=0 3'pad=0 revComp=TRUE strand=- repeatMasking=none\n"
197 "GGGTCAGTGTCACCTCCAGGATACAGACAG\n"
198 ">hg17_knownGene_NM_001824_3 range=chr19:50510563-50510695 5'pad=0 3'pad=0 revComp=TRUE strand=- repeatMasking=none\n"
199 "GGTGGAGACGACCTGGACCCTAACTACGT\n"
207 "TGGGTCAGTGTCACCTCCAGGATACAGACAGCCCCCCTTCAGCCCAGCCCAGCCAG"
209 "GGTGGAGACGACCTGGACCCTAACTACGTGCTCAGCAGCCGCGTCCGCAC";
211 seq.parse_annot(annot_data);
212 std::list<annot> annots = seq.annotations();
213 BOOST_CHECK_EQUAL( annots.size(), 2);
216 BOOST_AUTO_TEST_CASE( annotation_load_no_species_name )
218 string annot_data = "0 10 name type\n"
221 "50\t55 anothername\n"
226 "75\t90\tname2\ttype2\n"
227 "100 120 name-asdf type!@#$%\n"
233 //istringstream annot_stream(annot_data);
234 seq.parse_annot(annot_data, 0, 0);
235 std::list<annot> annots_list = seq.annotations();
236 std::vector<annot> annots(annots_list.begin(), annots_list.end());
237 BOOST_REQUIRE_EQUAL( annots.size(), 8);
238 BOOST_CHECK_EQUAL( annots[0].begin, 0 );
239 BOOST_CHECK_EQUAL( annots[0].end, 10 );
240 BOOST_CHECK_EQUAL( annots[0].type, "type");
243 // ticket:83 when you try to load a sequence from a file that doesn't
244 // have fasta headers it crashes.
245 BOOST_AUTO_TEST_CASE( sequence_past_end )
247 fs::path seq_path(fs::path(EXAMPLE_DIR, fs::native)/ "seq" );
248 seq_path /= "misformated_seq.fa";
250 BOOST_CHECK_THROW( s.load_fasta(seq_path), mussa_load_error );
253 BOOST_AUTO_TEST_CASE ( sequence_empty )
257 BOOST_CHECK_EQUAL( s.empty(), true );
259 BOOST_CHECK_EQUAL( s.empty(), false );
261 BOOST_CHECK_EQUAL( s.empty(), true);
263 BOOST_CHECK_EQUAL( s.empty(), true);
266 BOOST_AUTO_TEST_CASE ( sequence_size )
270 BOOST_CHECK_EQUAL( s.size(), 0);
271 std::string seq_string("AAAGGG");
273 BOOST_CHECK_EQUAL( s.size(), seq_string.size() );
275 BOOST_CHECK_EQUAL( s.size(), 0);
277 BOOST_CHECK_EQUAL( s.size(), 0);
280 BOOST_AUTO_TEST_CASE( sequence_empty_equality )
283 BOOST_CHECK_EQUAL(szero.empty(), true);
284 BOOST_CHECK_EQUAL(szero, szero);
285 BOOST_CHECK_EQUAL(szero, "");
287 Sequence sclear("AGCT");
289 BOOST_CHECK_EQUAL(sclear.empty(), true);
290 BOOST_CHECK_EQUAL(sclear, sclear);
291 BOOST_CHECK_EQUAL(sclear, szero);
292 BOOST_CHECK_EQUAL(sclear, "");
295 BOOST_AUTO_TEST_CASE ( sequence_iterators )
297 std::string seq_string = "AAGGCCTTNNTATA";
298 Sequence s(seq_string);
299 const Sequence cs(s);
300 std::string::size_type count = 0;
302 std::string::iterator str_itor;
303 Sequence::const_iterator s_itor;
304 Sequence::const_iterator cs_itor;
306 for( str_itor = seq_string.begin(),
308 cs_itor = cs.begin();
309 str_itor != seq_string.end() and
310 s_itor != s.end() and
312 ++str_itor, ++s_itor, ++cs_itor, ++count)
314 BOOST_CHECK_EQUAL ( *str_itor, *s_itor );
315 BOOST_CHECK_EQUAL ( *s_itor, *cs_itor );
316 BOOST_CHECK_EQUAL ( *cs_itor, *str_itor );
318 BOOST_CHECK_EQUAL( seq_string.size(), count );
319 BOOST_CHECK_EQUAL( s.size(), count );
320 BOOST_CHECK_EQUAL( cs.size(), count );
323 BOOST_AUTO_TEST_CASE( sequence_motifs )
326 string bogus("AATTGGAA");
327 Sequence s1("AAAAGGGGCCCCTTTT");
329 list<motif>::const_iterator motif_i = s1.motifs().begin();
330 list<motif>::const_iterator motif_end = s1.motifs().end();
332 // do our iterators work?
333 BOOST_CHECK( motif_i == s1.motifs().begin() );
334 BOOST_CHECK( motif_end == s1.motifs().end() );
335 BOOST_CHECK( motif_i == motif_end );
337 // this shouldn't show up
339 BOOST_CHECK( s1.motifs().begin() == s1.motifs().end() );
340 BOOST_CHECK_EQUAL( s1.motifs().size(), 0 );
343 BOOST_CHECK( s1.motifs().begin() != s1.motifs().end() );
344 BOOST_CHECK_EQUAL( s1.motifs().size(), 2 );
346 for(motif_i = s1.motifs().begin();
347 motif_i != s1.motifs().end();
350 BOOST_CHECK_EQUAL( motif_i->type, "motif" );
351 BOOST_CHECK_EQUAL( motif_i->name, m);
352 BOOST_CHECK_EQUAL( motif_i->sequence, m);
356 BOOST_CHECK( s1.motifs().begin() == s1.motifs().end() );
358 /* FIXME: enable this when i find a way of passing storing the motif name
359 // does our annotation travel?
360 Sequence motif_seq(m);
361 motif_seq.set_fasta_header("hi");
362 s1.add_motif(motif_seq);
364 BOOST_CHECK_EQUAL(s1.motifs().size(), 2);
365 for(motif_i = s1.motifs().begin();
366 motif_i != s1.motifs().end();
369 BOOST_CHECK_EQUAL( motif_i->type, "motif" );
370 BOOST_CHECK_EQUAL( motif_i->name, "hi");
371 BOOST_CHECK_EQUAL( motif_i->sequence, m);
376 BOOST_AUTO_TEST_CASE( annot_test )
378 annot a(0, 10, "test", "thing");
380 BOOST_CHECK_EQUAL( a.begin, 0 );
381 BOOST_CHECK_EQUAL( a.end, 10 );
382 BOOST_CHECK_EQUAL( a.type, "test" );
383 BOOST_CHECK_EQUAL( a.name, "thing" );
385 motif m(10, "AAGGCC");
386 BOOST_CHECK_EQUAL( m.begin, 10 );
387 BOOST_CHECK_EQUAL( m.type, "motif" );
388 BOOST_CHECK_EQUAL( m.name, "AAGGCC" );
389 BOOST_CHECK_EQUAL( m.end, 10+6 );
392 BOOST_AUTO_TEST_CASE( annotate_from_sequence )
394 string s("CCGCCCCCCATCATCGCGGCTCTCCGAGAGTCCCGCGCCCCACTCCCGGC"
395 "ACCCACCTGACCGCGGGCGGCTCCGGCCCCGCTTCGCCCCACTGCGATCA"
396 "GTCGCGTCCCGCAGGCCAGGCACGCCCCGCCGCTCCCGCTGCGCCGGGCG"
397 "TCTGGGACCTCGGGCGGCTCCTCCGAGGGGCGGGGCAGCCGGGAGCCACG"
398 "CCCCCGCAGGTGAGCCGGCCACGCCCACCGCCCGTGGGAAGTTCAGCCTC"
399 "GGGGCTCCAGCCCCGCGGGAATGGCAGAACTTCGCACGCGGAACTGGTAA"
400 "CCTCCAGGACACCTCGAATCAGGGTGATTGTAGCGCAGGGGCCTTGGCCA"
401 "AGCTAAAACTTTGGAAACTTTAGATCCCAGACAGGTGGCTTTCTTGCAGT");
403 string gga("GGACACCTC");
406 std::list<Sequence> query_list;
407 std::list<string> string_list;
408 query_list.push_back(Sequence(gc));
409 string_list.push_back(gc);
410 query_list.push_back(Sequence(gga));
411 string_list.push_back(gga);
413 BOOST_CHECK_EQUAL( seq.annotations().size(), 0 );
414 seq.find_sequences(query_list.begin(), query_list.end());
417 for(list<string>::iterator string_i = string_list.begin();
418 string_i != string_list.end();
421 string::size_type pos=0;
422 while(pos != string::npos) {
423 pos = s.find(*string_i, pos);
424 if (pos != string::npos) {
430 BOOST_CHECK_EQUAL(seq.annotations().size(), count);
433 BOOST_AUTO_TEST_CASE( subseq_annotation_test )
435 string s("CCGCCCCCCATCATCGCGGCTCTCCGAGAGTCCCGCGCCCCACTCCCGGC"
436 "ACCCACCTGACCGCGGGCGGCTCCGGCCCCGCTTCGCCCCACTGCGATCA"
437 "GTCGCGTCCCGCAGGCCAGGCACGCCCCGCCGCTCCCGCTGCGCCGGGCG"
438 "TCTGGGACCTCGGGCGGCTCCTCCGAGGGGCGGGGCAGCCGGGAGCCACG"
439 "CCCCCGCAGGTGAGCCGGCCACGCCCACCGCCCGTGGGAAGTTCAGCCTC"
440 "GGGGCTCCAGCCCCGCGGGAATGGCAGAACTTCGCACGCGGAACTGGTAA"
441 "CCTCCAGGACACCTCGAATCAGGGTGATTGTAGCGCAGGGGCCTTGGCCA"
442 "AGCTAAAACTTTGGAAACTTTAGATCCCAGACAGGTGGCTTTCTTGCAGT");
446 seq.add_annotation(annot(0, 10, "0-10", "0-10"));
447 seq.add_annotation(annot(10, 20, "10-20", "10-20"));
448 seq.add_annotation(annot(0, 20, "0-20", "0-20"));
449 seq.add_annotation(annot(8, 12, "8-12", "8-12"));
450 seq.add_annotation(annot(100, 5000, "100-5000", "100-5000"));
452 Sequence subseq = seq.subseq(5, 10);
453 const list<annot> annots = subseq.annotations();
454 // generate some ground truth
456 correct.push_back(annot(0, 5, "0-10", "0-10"));
457 correct.push_back(annot(5,10, "10-20", "10-20"));
458 correct.push_back(annot(0,10, "0-20", "0-20"));
459 correct.push_back(annot(3, 7, "8-12", "8-12"));
460 BOOST_REQUIRE_EQUAL( annots.size(), correct.size() );
462 list<annot>::iterator correct_i = correct.begin();
463 list<annot>::const_iterator annot_i = annots.begin();
464 for(; annot_i != annots.end(); ++annot_i, ++correct_i)
466 BOOST_CHECK( *annot_i == *correct_i );
470 BOOST_AUTO_TEST_CASE( motif_annotation_update )
472 string s("CCGTCCCCCATCATCGCGGCTCTCCGAGAGTCCCGCGCCCCACTCCCGGC"
473 "ACCCACCTGACCGCGGGCGGCTCCGGCCCCGCTTCGCCCCACTGCGATCA"
474 "GTCGCGTCCCGCAGGCCAGGCACGCCCCGCCGCTCCCGCTGCGCCGGGCG"
475 "TCTGGGACCTCGGGCGGCTCCTCCGAGGGGCGGGGCAGCCGGGAGCCACG"
476 "CCCCCGCAGGTGAGCCGGCCACGCCCACCGCCCGTGGGAAGTTCAGCCTC"
477 "GGGGCTCCAGCCCCGCGGGAATGGCAGAACTTCGCACGCGGAACTGGTAA"
478 "CCTCCAGGACACCTCGAATCAGGGTGATTGTAGCGCAGGGGCCTTGGCCA"
479 "AGCTAAAACTTTGGAAACTTTAGATCCCAGACAGGTGGCTTTCTTGCAGT");
482 // starting conditions
483 BOOST_CHECK_EQUAL(seq.annotations().size(), 0);
484 BOOST_CHECK_EQUAL(seq.motifs().size(), 0);
485 seq.add_annotation(annot(0, 10, "0-10", "0-10"));
486 seq.add_annotation(annot(10, 20, "10-20", "10-20"));
487 seq.add_annotation(annot(0, 20, "0-20", "0-20"));
488 BOOST_CHECK_EQUAL(seq.annotations().size(), 3);
489 BOOST_CHECK_EQUAL(seq.motifs().size(), 0);
490 seq.add_motif("CCGTCCC");
491 BOOST_CHECK_EQUAL(seq.annotations().size(), 3);
492 BOOST_CHECK_EQUAL(seq.motifs().size(), 1);
494 BOOST_CHECK_EQUAL(seq.annotations().size(), 3);
495 BOOST_CHECK_EQUAL(seq.motifs().size(), 0);
498 BOOST_AUTO_TEST_CASE( out_operator )
500 string s("AAGGCCTT");
505 BOOST_CHECK_EQUAL( s, buf.str() );
508 BOOST_AUTO_TEST_CASE( get_name )
510 Sequence seq("AAGGCCTT");
512 BOOST_CHECK_EQUAL( seq.get_name(), "" );
513 seq.set_species("hooman"); // anyone remember tradewars?
514 BOOST_CHECK_EQUAL( seq.get_name(), "hooman");
515 seq.set_fasta_header("fasta human");
516 BOOST_CHECK_EQUAL( seq.get_name(), "fasta human");
519 BOOST_AUTO_TEST_CASE( serialize_simple )
521 std::string seq_string = "AAGGCCTT";
522 Sequence seq(seq_string);
523 seq.set_species("ribbet");
524 std::ostringstream oss;
525 // allocate/deallocate serialization components
527 boost::archive::text_oarchive oarchive(oss);
528 const Sequence& const_seq(seq);
529 BOOST_CHECK_EQUAL(seq, const_seq);
530 oarchive << const_seq;
534 std::istringstream iss(oss.str());
535 boost::archive::text_iarchive iarchive(iss);
536 iarchive >> seq_loaded;
538 BOOST_CHECK_EQUAL(seq_loaded, seq);
539 BOOST_CHECK_EQUAL(seq.get_species(), "ribbet");
542 BOOST_AUTO_TEST_CASE( serialize_tree )
544 std::string seq_string = "AAGGCCTT";
545 Sequence seq(seq_string);
546 seq.set_species("ribbet");
549 annot a1(6,7,"t","t");
550 seq.add_annotation(a1);
552 std::ostringstream oss;
553 // allocate/deallocate serialization components
555 boost::archive::text_oarchive oarchive(oss);
556 const Sequence& const_seq(seq);
557 BOOST_CHECK_EQUAL(seq, const_seq);
558 oarchive << const_seq;
563 std::istringstream iss(oss.str());
564 boost::archive::text_iarchive iarchive(iss);
565 iarchive >> seq_loaded;
567 BOOST_CHECK_EQUAL(seq_loaded, seq);
570 // this writes out an "old" style annotated sequence
571 // with annotations attached as "motifs" and "annots"
572 BOOST_AUTO_TEST_CASE( serialize_xml_sequence )
574 std::string seq_string = "AAGGCCTT";
575 Sequence seq(seq_string);
576 seq.set_species("ribbet");
579 annot a1(6,7,"t","t");
580 seq.add_annotation(a1);
582 std::ostringstream oss;
583 // allocate/deallocate serialization components
585 boost::archive::xml_oarchive oarchive(oss);
586 const Sequence& const_seq(seq);
587 BOOST_CHECK_EQUAL(seq, const_seq);
588 oarchive << boost::serialization::make_nvp("root", const_seq);
592 std::istringstream iss(oss.str());
593 boost::archive::xml_iarchive iarchive(iss);
594 iarchive >> boost::serialization::make_nvp("root", seq_loaded);
596 BOOST_CHECK_EQUAL(seq_loaded, seq);
599 BOOST_AUTO_TEST_CASE( serialize_xml_two )
601 std::string seq_string = "AAGGCCTT";
602 Sequence seq1(seq_string);
605 std::ostringstream oss;
606 // allocate/deallocate serialization components
608 boost::archive::xml_oarchive oarchive(oss);
609 const Sequence& const_seq1(seq1);
610 const Sequence& const_seq2(seq2);
611 oarchive << boost::serialization::make_nvp("seq1", const_seq1);
612 oarchive << boost::serialization::make_nvp("seq2", const_seq2);
614 //std::cout << "xml: " << oss.str() << std::endl;
615 Sequence seq1_loaded;
616 Sequence seq2_loaded;
618 std::istringstream iss(oss.str());
619 boost::archive::xml_iarchive iarchive(iss);
620 iarchive >> boost::serialization::make_nvp("seq1", seq1_loaded);
621 iarchive >> boost::serialization::make_nvp("seq2", seq2_loaded);
623 BOOST_CHECK_EQUAL(seq1_loaded, seq1);
624 BOOST_CHECK_EQUAL(seq2_loaded, seq2);
625 // test if our pointers are the same
626 BOOST_CHECK_EQUAL(seq1_loaded.c_str(), seq2_loaded.c_str());