xapian-bindings/php/smoketest.php

   1 <?php
   2 // Run this PHP script using 'make check' in the build tree.
   3
   4 /* Simple test to ensure that we can load the xapian module and exercise basic
   5  * functionality successfully.
   6  *
   7  * Copyright (C) 2004,2005,2006,2007,2009,2011,2012,2013,2014,2015 Olly Betts
   8  * Copyright (C) 2010 Richard Boulton
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of the
  13  * License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
  23  * USA
  24  */
  25
  26 # Die on any error, warning, notice, etc.
  27 function die_on_error($errno, $errstr, $file, $line) {
  28     if ($file !== Null) {
  29         print $file;
  30         if ($line !== Null) print ":$line";
  31         print ": ";
  32     }
  33     print "$errstr\n";
  34     exit(1);
  35 }
  36 set_error_handler("die_on_error", -1);
  37
  38 include "xapian.php";
  39
  40 # Test the version number reporting functions give plausible results.
  41 $v = Xapian::major_version().'.'.Xapian::minor_version().'.'.Xapian::revision();
  42 $v2 = Xapian::version_string();
  43 if ($v != $v2) {
  44     print "Unexpected version output ($v != $v2)\n";
  45     exit(1);
  46 }
  47
  48 $db = Xapian::inmemory_open();
  49 $db2 = Xapian::inmemory_open();
  50
  51 # Check PHP5 handling of Xapian::DocNotFoundError
  52 try {
  53     $doc2 = $db->get_document(2);
  54     print "Retrieved non-existent document\n";
  55     exit(1);
  56 } catch (Exception $e) {
  57     if ($e->getMessage() !== "DocNotFoundError: Docid 2 not found") {
  58         print "DocNotFoundError Exception string not as expected, got: '{$e->getMessage()}'\n";
  59         exit(1);
  60     }
  61 }
  62
  63 # Check QueryParser parsing error.
  64 try {
  65     $qp = new XapianQueryParser;
  66     $qp->set_stemmer(new XapianStem("en"));
  67     $qp->parse_query("test AND");
  68     print "Successfully parsed bad query\n";
  69     exit(1);
  70 } catch (Exception $e) {
  71     if ($e->getMessage() !== "QueryParserError: Syntax: <expression> AND <expression>") {
  72         print "QueryParserError Exception string not as expected, got: '$e->getMessage()'\n";
  73         exit(1);
  74     }
  75 }
  76
  77 # Check that open_stub() is wrapped as expected.
  78 try {
  79     $db = Xapian::auto_open_stub("nosuchdir/nosuchdb");
  80     print "Opened non-existent stub database\n";
  81     exit(1);
  82 } catch (Exception $e) {
  83     if ($e->getMessage() !== "DatabaseOpeningError: Couldn't open stub database file: nosuchdir/nosuchdb (No such file or directory)") {
  84         print "DatabaseOpeningError Exception string not as expected, got: '{$e->getMessage()}'\n";
  85         exit(1);
  86     }
  87 }
  88
  89 # Check that DB_BACKEND_STUB works as expected.
  90 try {
  91     $db = new XapianDatabase("nosuchdir/nosuchdb", Xapian::DB_BACKEND_STUB);
  92     print "Opened non-existent stub database\n";
  93     exit(1);
  94 } catch (Exception $e) {
  95     if ($e->getMessage() !== "DatabaseOpeningError: Couldn't open stub database file: nosuchdir/nosuchdb (No such file or directory)") {
  96         print "DatabaseOpeningError Exception string not as expected, got: '{$e->getMessage()}'\n";
  97         exit(1);
  98     }
  99 }
 100
 101 # Check that open_stub() writable form is wrapped as expected.
 102 try {
 103     $db = Xapian::auto_open_stub("nosuchdir/nosuchdb", Xapian::DB_OPEN);
 104     print "Opened non-existent stub database\n";
 105     exit(1);
 106 } catch (Exception $e) {
 107     if ($e->getMessage() !== "DatabaseOpeningError: Couldn't open stub database file: nosuchdir/nosuchdb (No such file or directory)") {
 108         print "DatabaseOpeningError Exception string not as expected, got: '{$e->getMessage()}'\n";
 109         exit(1);
 110     }
 111 }
 112
 113 # Check that DB_BACKEND_STUB works as expected.
 114 try {
 115     $db = new XapianWritableDatabase("nosuchdir/nosuchdb",
 116                                      Xapian::DB_OPEN|Xapian::DB_BACKEND_STUB);
 117     print "Opened non-existent stub database\n";
 118     exit(1);
 119 } catch (Exception $e) {
 120     if ($e->getMessage() !== "DatabaseOpeningError: Couldn't open stub database file: nosuchdir/nosuchdb (No such file or directory)") {
 121         print "DatabaseOpeningError Exception string not as expected, got: '{$e->getMessage()}'\n";
 122         exit(1);
 123     }
 124 }
 125
 126 # Regression test for bug#193, fixed in 1.0.3.
 127 $vrp = new XapianNumberValueRangeProcessor(0, '$', true);
 128 $a = '$10';
 129 $b = '20';
 130 $vrp->apply($a, $b);
 131 if (Xapian::sortable_unserialise($a) != 10) {
 132     print Xapian::sortable_unserialise($a)." != 10\n";
 133     exit(1);
 134 }
 135 if (Xapian::sortable_unserialise($b) != 20) {
 136     print Xapian::sortable_unserialise($b)." != 20\n";
 137     exit(1);
 138 }
 139
 140 $stem = new XapianStem("english");
 141 if ($stem->get_description() != "Xapian::Stem(english)") {
 142     print "Unexpected \$stem->get_description()\n";
 143     exit(1);
 144 }
 145
 146 $doc = new XapianDocument();
 147 $doc->set_data("a\x00b");
 148 if ($doc->get_data() === "a") {
 149     print "get_data+set_data truncates at a zero byte\n";
 150     exit(1);
 151 }
 152 if ($doc->get_data() !== "a\x00b") {
 153     print "get_data+set_data doesn't transparently handle a zero byte\n";
 154     exit(1);
 155 }
 156 $doc->set_data("is there anybody out there?");
 157 $doc->add_term("XYzzy");
 158 $doc->add_posting($stem->apply("is"), 1);
 159 $doc->add_posting($stem->apply("there"), 2);
 160 $doc->add_posting($stem->apply("anybody"), 3);
 161 $doc->add_posting($stem->apply("out"), 4);
 162 $doc->add_posting($stem->apply("there"), 5);
 163
 164 // Check virtual function dispatch.
 165 if (substr($db->get_description(), 0, 17) !== "WritableDatabase(") {
 166     print "Unexpected \$db->get_description()\n";
 167     exit(1);
 168 }
 169 $db->add_document($doc);
 170 if ($db->get_doccount() != 1) {
 171     print "Unexpected \$db->get_doccount()\n";
 172     exit(1);
 173 }
 174
 175 $terms = array("smoke", "test", "terms");
 176 $query = new XapianQuery(XapianQuery::OP_OR, $terms);
 177 if ($query->get_description() != "Query((smoke OR test OR terms))") {
 178     print "Unexpected \$query->get_description()\n";
 179     exit(1);
 180 }
 181 $query1 = new XapianQuery(XapianQuery::OP_PHRASE, array("smoke", "test", "tuple"));
 182 if ($query1->get_description() != "Query((smoke PHRASE 3 test PHRASE 3 tuple))") {
 183     print "Unexpected \$query1->get_description()\n";
 184     exit(1);
 185 }
 186 $query1b = new XapianQuery(XapianQuery::OP_NEAR, array("smoke", "test", "tuple"), 4);
 187 if ($query1b->get_description() != "Query((smoke NEAR 4 test NEAR 4 tuple))") {
 188     print "Unexpected \$query1b->get_description()\n";
 189     exit(1);
 190 }
 191 $query2 = new XapianQuery(XapianQuery::OP_XOR, array(new XapianQuery("smoke"), $query1, "string"));
 192 if ($query2->get_description() != "Query((smoke XOR (smoke PHRASE 3 test PHRASE 3 tuple) XOR string))") {
 193     print "Unexpected \$query2->get_description()\n";
 194     exit(1);
 195 }
 196 $subqs = array("a", "b");
 197 $query3 = new XapianQuery(XapianQuery::OP_OR, $subqs);
 198 if ($query3->get_description() != "Query((a OR b))") {
 199     print "Unexpected \$query3->get_description()\n";
 200     exit(1);
 201 }
 202 $enq = new XapianEnquire($db);
 203 $enq->set_query(new XapianQuery(XapianQuery::OP_OR, "there", "is"));
 204 $mset = $enq->get_mset(0, 10);
 205 if ($mset->size() != 1) {
 206     print "Unexpected \$mset->size()\n";
 207     exit(1);
 208 }
 209 $terms = join(" ", $enq->get_matching_terms($mset->get_hit(0)));
 210 if ($terms != "is there") {
 211     print "Unexpected matching terms: $terms\n";
 212     exit(1);
 213 }
 214
 215 # Feature test for MatchDecider
 216 $doc = new XapianDocument();
 217 $doc->set_data("Two");
 218 $doc->add_posting($stem->apply("out"), 1);
 219 $doc->add_posting($stem->apply("outside"), 1);
 220 $doc->add_posting($stem->apply("source"), 2);
 221 $doc->add_value(0, "yes");
 222 $db->add_document($doc);
 223
 224 class testmatchdecider extends XapianMatchDecider {
 225     function apply($doc) {
 226         return ($doc->get_value(0) == "yes");
 227     }
 228 }
 229
 230 $query = new XapianQuery($stem->apply("out"));
 231 $enquire = new XapianEnquire($db);
 232 $enquire->set_query($query);
 233 $mdecider = new testmatchdecider();
 234 $mset = $enquire->get_mset(0, 10, null, $mdecider);
 235 if ($mset->size() != 1) {
 236     print "Unexpected number of documents returned by match decider (".$mset->size().")\n";
 237     exit(1);
 238 }
 239 if ($mset->get_docid(0) != 2) {
 240     print "MatchDecider mset has wrong docid in\n";
 241     exit(1);
 242 }
 243
 244 class testexpanddecider extends XapianExpandDecider {
 245     function apply($term) {
 246         return ($term[0] !== 'a');
 247     }
 248 }
 249
 250 $enquire = new XapianEnquire($db);
 251 $rset = new XapianRSet();
 252 $rset->add_document(1);
 253 $eset = $enquire->get_eset(10, $rset, XapianEnquire::USE_EXACT_TERMFREQ, 1.0, new testexpanddecider());
 254 foreach ($eset->begin() as $t) {
 255     if ($t[0] === 'a') {
 256         print "XapianExpandDecider was not used\n";
 257         exit(1);
 258     }
 259 }
 260
 261 # Check min_wt argument to get_eset() works (new in 1.2.5).
 262 $eset = $enquire->get_eset(100, $rset, XapianEnquire::USE_EXACT_TERMFREQ);
 263 $min_wt = 0;
 264 foreach ($eset->begin() as $i => $dummy) {
 265     $min_wt = $i->get_weight();
 266 }
 267 if ($min_wt >= 1.9) {
 268     print "ESet min weight too high for testcase\n";
 269     exit(1);
 270 }
 271 $eset = $enquire->get_eset(100, $rset, XapianEnquire::USE_EXACT_TERMFREQ, 1.0, NULL, 1.9);
 272 $min_wt = 0;
 273 foreach ($eset->begin() as $i => $dummy) {
 274     $min_wt = $i->get_weight();
 275 }
 276 if ($min_wt < 1.9) {
 277     print "ESet min_wt threshold not applied\n";
 278     exit(1);
 279 }
 280
 281 if (XapianQuery::OP_ELITE_SET != 10) {
 282     print "OP_ELITE_SET is XapianQuery::OP_ELITE_SET not 10\n";
 283     exit(1);
 284 }
 285
 286 # Regression test - overload resolution involving boolean types failed.
 287 $enq->set_sort_by_value(1, TRUE);
 288
 289 # Regression test - fixed in 0.9.10.1.
 290 $oqparser = new XapianQueryParser();
 291 $oquery = $oqparser->parse_query("I like tea");
 292
 293 # Regression test for bug#192 - fixed in 1.0.3.
 294 $enq->set_cutoff(100);
 295
 296 # Check DateValueRangeProcessor works.
 297 function add_vrp_date(&$qp) {
 298     $vrpdate = new XapianDateValueRangeProcessor(1, 1, 1960);
 299     $qp->add_valuerangeprocessor($vrpdate);
 300 }
 301 $qp = new XapianQueryParser();
 302 add_vrp_date($qp);
 303 $query = $qp->parse_query('12/03/99..12/04/01');
 304 if ($query->get_description() !== 'Query(0 * VALUE_RANGE 1 19991203 20011204)') {
 305     print "XapianDateValueRangeProcessor didn't work - result was ".$query->get_description()."\n";
 306     exit(1);
 307 }
 308
 309 # Feature test for XapianFieldProcessor
 310 class testfieldprocessor extends XapianFieldProcessor {
 311     function apply($str) {
 312         if ($str === 'spam') throw new Exception('already spam');
 313         return new XapianQuery("spam");
 314     }
 315 }
 316
 317 $tfp = new testfieldprocessor();
 318 $qp->add_prefix('spam', $tfp);
 319 $query = $qp->parse_query('spam:ignored');
 320 if ($query->get_description() !== 'Query(spam)') {
 321     print "testfieldprocessor didn't work - result was ".$query->get_description()."\n";
 322     exit(1);
 323 }
 324
 325 try {
 326     $query = $qp->parse_query('spam:spam');
 327     print "testfieldprocessor exception not rethrown\n";
 328     exit(1);
 329 } catch (Exception $e) {
 330     if ($e->getMessage() !== 'already spam') {
 331         print "Exception has wrong message\n";
 332         exit(1);
 333     }
 334 }
 335
 336 # Test setting and getting metadata
 337 if ($db->get_metadata('Foo') !== '') {
 338     print "Unexpected value for metadata associated with 'Foo' (expected ''): '".$db->get_metadata('Foo')."'\n";
 339     exit(1);
 340 }
 341 $db->set_metadata('Foo', 'Foo');
 342 if ($db->get_metadata('Foo') !== 'Foo') {
 343     print "Unexpected value for metadata associated with 'Foo' (expected 'Foo'): '".$db->get_metadata('Foo')."'\n";
 344     exit(1);
 345 }
 346
 347 # Test OP_SCALE_WEIGHT and corresponding constructor
 348 $query4 = new XapianQuery(XapianQuery::OP_SCALE_WEIGHT, new XapianQuery('foo'), 5.0);
 349 if ($query4->get_description() != "Query(5 * foo)") {
 350     print "Unexpected \$query4->get_description()\n";
 351     exit(1);
 352 }
 353
 354 # Test MultiValueKeyMaker.
 355
 356 $doc = new XapianDocument();
 357 $doc->add_term("foo");
 358 $doc->add_value(0, "ABB");
 359 $db2->add_document($doc);
 360 $doc->add_value(0, "ABC");
 361 $db2->add_document($doc);
 362 $doc->add_value(0, "ABC\0");
 363 $db2->add_document($doc);
 364 $doc->add_value(0, "ABCD");
 365 $db2->add_document($doc);
 366 $doc->add_value(0, "ABC\xff");
 367 $db2->add_document($doc);
 368
 369 $enquire = new XapianEnquire($db2);
 370 $enquire->set_query(new XapianQuery("foo"));
 371
 372 {
 373     $sorter = new XapianMultiValueKeyMaker();
 374     $sorter->add_value(0);
 375     $enquire->set_sort_by_key($sorter, true);
 376     $mset = $enquire->get_mset(0, 10);
 377     mset_expect_order($mset, array(5, 4, 3, 2, 1));
 378 }
 379
 380 {
 381     $sorter = new XapianMultiValueKeyMaker();
 382     $sorter->add_value(0, true);
 383     $enquire->set_sort_by_key($sorter, true);
 384     $mset = $enquire->get_mset(0, 10);
 385     mset_expect_order($mset, array(1, 2, 3, 4, 5));
 386 }
 387
 388 {
 389     $sorter = new XapianMultiValueKeyMaker();
 390     $sorter->add_value(0);
 391     $sorter->add_value(1);
 392     $enquire->set_sort_by_key($sorter, true);
 393     $mset = $enquire->get_mset(0, 10);
 394     mset_expect_order($mset, array(5, 4, 3, 2, 1));
 395 }
 396
 397 {
 398     $sorter = new XapianMultiValueKeyMaker();
 399     $sorter->add_value(0, true);
 400     $sorter->add_value(1);
 401     $enquire->set_sort_by_key($sorter, true);
 402     $mset = $enquire->get_mset(0, 10);
 403     mset_expect_order($mset, array(1, 2, 3, 4, 5));
 404 }
 405
 406 {
 407     $sorter = new XapianMultiValueKeyMaker();
 408     $sorter->add_value(0);
 409     $sorter->add_value(1, true);
 410     $enquire->set_sort_by_key($sorter, true);
 411     $mset = $enquire->get_mset(0, 10);
 412     mset_expect_order($mset, array(5, 4, 3, 2, 1));
 413 }
 414
 415 {
 416     $sorter = new XapianMultiValueKeyMaker();
 417     $sorter->add_value(0, true);
 418     $sorter->add_value(1, true);
 419     $enquire->set_sort_by_key($sorter, true);
 420     $mset = $enquire->get_mset(0, 10);
 421     mset_expect_order($mset, array(1, 2, 3, 4, 5));
 422 }
 423
 424 # Feature test for ValueSetMatchDecider:
 425 {
 426     $md = new XapianValueSetMatchDecider(0, true);
 427     $md->add_value("ABC");
 428     $doc = new XapianDocument();
 429     $doc->add_value(0, "ABCD");
 430     if ($md->apply($doc)) {
 431         print "Unexpected result from ValueSetMatchDecider->apply(); expected false\n";
 432         exit(1);
 433     }
 434
 435     $doc = new XapianDocument();
 436     $doc->add_value(0, "ABC");
 437     if (!$md->apply($doc)) {
 438         print "Unexpected result from ValueSetMatchDecider->apply(); expected true\n";
 439         exit(1);
 440     }
 441
 442     $mset = $enquire->get_mset(0, 10, 0, null, $md, null);
 443     mset_expect_order($mset, array(2));
 444
 445     $md = new XapianValueSetMatchDecider(0, false);
 446     $md->add_value("ABC");
 447     $mset = $enquire->get_mset(0, 10, 0, null, $md, null);
 448     mset_expect_order($mset, array(1, 3, 4, 5));
 449 }
 450
 451 function mset_expect_order($mset, $a) {
 452     if ($mset->size() != sizeof($a)) {
 453         print "MSet has ".$mset->size()." entries, expected ".sizeof($a)."\n";
 454         exit(1);
 455     }
 456     for ($j = 0; $j < sizeof($a); ++$j) {
 457         # PHP4 doesn't cope with: $mset->get_hit($j)->get_docid();
 458         $hit = $mset->get_hit($j);
 459         if ($hit->get_docid() != $a[$j]) {
 460             print "Expected MSet[$j] to be $a[$j], got ".$hit->get_docid()."\n";
 461             exit(1);
 462         }
 463     }
 464 }
 465
 466 # Feature tests for Query "term" constructor optional arguments:
 467 $query_wqf = new XapianQuery('wqf', 3);
 468 if ($query_wqf->get_description() != 'Query(wqf#3)') {
 469     print "Unexpected \$query_wqf->get_description():\n";
 470     print $query_wqf->get_description() . "\n";
 471     exit(1);
 472 }
 473
 474 $query = new XapianQuery(XapianQuery::OP_VALUE_GE, 0, "100");
 475 if ($query->get_description() != 'Query(VALUE_GE 0 100)') {
 476     print "Unexpected \$query->get_description():\n";
 477     print $query->get_description() . "\n";
 478     exit(1);
 479 }
 480
 481 $query = XapianQuery::MatchAll();
 482 if ($query->get_description() != 'Query(<alldocuments>)') {
 483     print "Unexpected \$query->get_description():\n";
 484     print $query->get_description() . "\n";
 485     exit(1);
 486 }
 487
 488 $query = XapianQuery::MatchNothing();
 489 if ($query->get_description() != 'Query()') {
 490     print "Unexpected \$query->get_description():\n";
 491     print $query->get_description() . "\n";
 492     exit(1);
 493 }
 494
 495 # Test access to matchspy values:
 496 {
 497     $matchspy = new XapianValueCountMatchSpy(0);
 498     $enquire->add_matchspy($matchspy);
 499     $enquire->get_mset(0, 10);
 500     $values = array();
 501     foreach ($matchspy->values_begin() as $k => $term) {
 502         $values[$term] = $k->get_termfreq();
 503     }
 504     $expected = array(
 505         "ABB" => 1,
 506         "ABC" => 1,
 507         "ABC\0" => 1,
 508         "ABCD" => 1,
 509         "ABC\xff" => 1,
 510     );
 511     if ($values != $expected) {
 512         print "Unexpected matchspy values():\n";
 513         var_dump($values);
 514         var_dump($expected);
 515         print "\n";
 516         exit(1);
 517     }
 518 }
 519
 520 # Regression test for SWIG bug - it was generating "return $r;" in wrapper
 521 # functions which didn't set $r.
 522 $indexer = new XapianTermGenerator();
 523 $doc = new XapianDocument();
 524
 525 $indexer->set_document($doc);
 526 $indexer->index_text("I ask nothing in return");
 527 $indexer->index_text_without_positions("Tea time");
 528 $indexer->index_text("Return in time");
 529
 530 $s = '';
 531 foreach ($doc->termlist_begin() as $term) {
 532     $s .= $term . ' ';
 533 }
 534 if ($s !== 'ask i in nothing return tea time ') {
 535     print "PHP Iterator wrapping of TermIterator doesn't work ($s)\n";
 536     exit(1);
 537 }
 538
 539 $s = '';
 540 foreach ($doc->termlist_begin() as $k => $term) {
 541     $s .= $term . ':' . $k->get_wdf() . ' ';
 542 }
 543 if ($s !== 'ask:1 i:1 in:2 nothing:1 return:2 tea:1 time:2 ') {
 544     print "PHP Iterator wrapping of TermIterator keys doesn't work ($s)\n";
 545     exit(1);
 546 }
 547
 548 # Test GeoSpatial API
 549 $coord = new XapianLatLongCoord();
 550 $coord = new XapianLatLongCoord(-41.288889, 174.777222);
 551
 552 define('COORD_SLOT', 2);
 553 $metric = new XapianGreatCircleMetric();
 554 $range = 42.0;
 555
 556 $centre = new XapianLatLongCoords($coord);
 557 $query = new XapianQuery(new XapianLatLongDistancePostingSource(COORD_SLOT, $centre, $metric, $range));
 558
 559 $db = Xapian::inmemory_open();
 560 $coords = new XapianLatLongCoords();
 561 $coords->append(new XapianLatLongCoord(40.6048, -74.4427));
 562 $doc = new XapianDocument();
 563 $doc->add_term("coffee");
 564 $doc->add_value(COORD_SLOT, $coords->serialise());
 565 $db->add_document($doc);
 566
 567 $centre = new XapianLatLongCoords();
 568 $centre->append(new XapianLatLongCoord(40.6048, -74.4427));
 569
 570 $ps = new XapianLatLongDistancePostingSource(COORD_SLOT, $centre, $metric, $range);
 571 $q = new XapianQuery("coffee");
 572 $q = new XapianQuery(XapianQuery::OP_AND, $q, new XapianQuery($ps));
 573
 574 $enq = new XapianEnquire($db);
 575 $enq->set_query($q);
 576 $mset = $enq->get_mset(0, 10);
 577 if ($mset->size() != 1) {
 578     print "Expected one result with XapianLatLongDistancePostingSource, got ";
 579     print $mset->size() . "\n";
 580     exit(1);
 581 }
 582
 583 $s = '';
 584 foreach ($db->allterms_begin() as $k => $term) {
 585     $s .= "($term:{$k->get_termfreq()})";
 586 }
 587 if ($s !== '(coffee:1)') {
 588     print "PHP Iterator iteration of allterms doesn't work ($s)\n";
 589     exit(1);
 590 }
 591
 592 # Test reference tracking and regression test for #659.
 593 $qp = new XapianQueryParser();
 594 {
 595     $stop = new XapianSimpleStopper();
 596     $stop->add('a');
 597     $qp->set_stopper($stop);
 598 }
 599 $query = $qp->parse_query('a b');
 600 if ($query->get_description() !== 'Query(b@2)') {
 601     print "XapianQueryParser::set_stopper() didn't work as expected - result was ".$query->get_description()."\n";
 602     exit(1);
 603 }
 604
 605 ?>