tests of Xapian::Weight subclasses More...

#include <config.h>
#include "api_weight.h"
#include <cmath>
#include <memory>
#include <xapian.h>
#include "apitest.h"
#include "testutils.h"

Include dependency graph for api_weight.cc:

Go to the source code of this file.

Classes
class	CheckInitWeight

class	CheckStatsWeight

Macros
#define	TEST_WEIGHT_CLASS_NO_PARAMS(W) test_weight_class_no_params<W>(#W)

#define	TEST_WEIGHT_CLASS(W, DEFAULT, OTHER) test_weight_class<W>(#W, W DEFAULT, W OTHER)

#define	TEST_WEIGHTING_SCHEME(W, ...) helper(W(__VA_ARGS__), #W, "" #__VA_ARGS__)

Functions
template<class W >
static void	test_weight_class_no_params (const char *name)

template<class W >
static void	test_weight_class (const char *name, const W &obj_default, const W &obj_other)

	DEFINE_TESTCASE (weightserialisation1, !backend)
	Test serialisation and introspection of built-in weighting schemes. More...

	DEFINE_TESTCASE (weight1, backend)
	Basic test of using weighting schemes. More...

	DEFINE_TESTCASE (bm25weight1, backend)
	Regression test for bug fixed in 1.0.5. More...

	DEFINE_TESTCASE (bm25weight4, backend)

	DEFINE_TESTCASE (bm25weight5, backend)
	Test non-zero k2 with zero k1. More...

	DEFINE_TESTCASE (bm25plusweight2, backend)

	DEFINE_TESTCASE (bm25plusweight3, backend)

	DEFINE_TESTCASE (inl2weight2, !backend)

	DEFINE_TESTCASE (inl2weight3, backend)

	DEFINE_TESTCASE (ifb2weight2, !backend)

	DEFINE_TESTCASE (ifb2weight3, backend)

	DEFINE_TESTCASE (ineb2weight2, !backend)

	DEFINE_TESTCASE (ineb2weight3, backend)

	DEFINE_TESTCASE (bb2weight2, !backend)

	DEFINE_TESTCASE (bb2weight3, backend)

	DEFINE_TESTCASE (bb2weight4, backend)

	DEFINE_TESTCASE (dlhweight1, backend)

static void	gen_wdf_eq_doclen_db (Xapian::WritableDatabase &db, const string &)

	DEFINE_TESTCASE (dlhweight3, backend)

	DEFINE_TESTCASE (pl2weight2, !backend)

	DEFINE_TESTCASE (pl2weight3, backend)

	DEFINE_TESTCASE (pl2plusweight2, !backend)

	DEFINE_TESTCASE (pl2plusweight4, backend)

	DEFINE_TESTCASE (pl2plusweight5, backend)

	DEFINE_TESTCASE (dphweight1, backend)

	DEFINE_TESTCASE (dphweight3, backend)

	DEFINE_TESTCASE (tfidfweight1, !backend)

	DEFINE_TESTCASE (tfidfweight3, backend)

	DEFINE_TESTCASE (checkinitweight1, backend &&!multi &&!remote)
	Regression test - check init() is called for the term-indep Weight obj. More...

	DEFINE_TESTCASE (checkstatsweight1, backend &&!remote)
	Check the weight subclass gets the correct stats. More...

	DEFINE_TESTCASE (checkstatsweight2, backend &&!remote)
	Check the weight subclass gets the correct stats with OP_SYNONYM. More...

	DEFINE_TESTCASE (checkstatsweight3, backend &&!remote)
	Check the weight subclass gets the correct stats with OP_WILDCARD. More...

	DEFINE_TESTCASE (checkstatsweight4, backend &&!remote &&!multi)
	Check the stats for a repeated term are correct. More...

	DEFINE_TESTCASE (unigramlmweight4, backend)

	DEFINE_TESTCASE (unigramlmweight5, backend)

	DEFINE_TESTCASE (unigramlmweight7, backend)

	DEFINE_TESTCASE (unigramlmweight8, backend)

	DEFINE_TESTCASE (coordweight1, backend)

Detailed Description

tests of Xapian::Weight subclasses

Definition in file api_weight.cc.

Macro Definition Documentation

◆ TEST_WEIGHT_CLASS

#define TEST_WEIGHT_CLASS	(	W,
		DEFAULT,
		OTHER
	)	test_weight_class<W>(#W, W DEFAULT, W OTHER)

Definition at line 108 of file api_weight.cc.

Referenced by DEFINE_TESTCASE().

◆ TEST_WEIGHT_CLASS_NO_PARAMS

#define TEST_WEIGHT_CLASS_NO_PARAMS ( W ) test_weight_class_no_params<W>(#W)

Definition at line 63 of file api_weight.cc.

Referenced by DEFINE_TESTCASE().

◆ TEST_WEIGHTING_SCHEME

#define TEST_WEIGHTING_SCHEME	(	W,
		...
	)	helper(W(__VA_ARGS__), #W, "" #__VA_ARGS__)

Referenced by DEFINE_TESTCASE().

Function Documentation

◆ DEFINE_TESTCASE() [1/37]

DEFINE_TESTCASE	(	weightserialisation1	,
		!	backend
	)

Test serialisation and introspection of built-in weighting schemes.

Definition at line 112 of file api_weight.cc.

References Xapian::Weight::JELINEK_MERCER_SMOOTHING, TEST_WEIGHT_CLASS, TEST_WEIGHT_CLASS_NO_PARAMS, and Xapian::Weight::TWO_STAGE_SMOOTHING.

◆ DEFINE_TESTCASE() [2/37]

DEFINE_TESTCASE	(	weight1	,
		backend
	)

Basic test of using weighting schemes.

Definition at line 142 of file api_weight.cc.

References Xapian::MSet::back(), get_database(), Xapian::Enquire::get_mset(), Xapian::Database::get_termfreq(), Xapian::MSetIterator::get_weight(), name, Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, TEST_EQUAL_DOUBLE, TEST_NOT_EQUAL, TEST_WEIGHTING_SCHEME, and tout.

◆ DEFINE_TESTCASE() [3/37]

DEFINE_TESTCASE	(	bm25weight1	,
		backend
	)

Regression test for bug fixed in 1.0.5.

This test would fail under valgrind because it used an uninitialised value.

Definition at line 216 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), Xapian::Enquire::set_query(), and Xapian::Enquire::set_weighting_scheme().

◆ DEFINE_TESTCASE() [4/37]

DEFINE_TESTCASE	(	bm25weight4	,
		backend
	)

Definition at line 225 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, TEST_EQUAL_DOUBLE, and TEST_REL.

◆ DEFINE_TESTCASE() [5/37]

DEFINE_TESTCASE	(	bm25weight5	,
		backend
	)

Test non-zero k2 with zero k1.

Definition at line 249 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), mset_expect_order(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, TEST_EQUAL_DOUBLE, and TEST_REL.

◆ DEFINE_TESTCASE() [6/37]

DEFINE_TESTCASE	(	bm25plusweight2	,
		backend
	)

Definition at line 267 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, TEST_EQUAL_DOUBLE, and TEST_REL.

◆ DEFINE_TESTCASE() [7/37]

DEFINE_TESTCASE	(	bm25plusweight3	,
		backend
	)

Definition at line 290 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, and TEST_EQUAL_DOUBLE.

◆ DEFINE_TESTCASE() [8/37]

DEFINE_TESTCASE	(	inl2weight2	,
		!	backend
	)

Definition at line 311 of file api_weight.cc.

References TEST_EXCEPTION.

◆ DEFINE_TESTCASE() [9/37]

DEFINE_TESTCASE	(	inl2weight3	,
		backend
	)

Definition at line 321 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), mset_expect_order(), query(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, and TEST_EQUAL_DOUBLE.

◆ DEFINE_TESTCASE() [10/37]

DEFINE_TESTCASE	(	ifb2weight2	,
		!	backend
	)

Definition at line 340 of file api_weight.cc.

References TEST_EXCEPTION.

◆ DEFINE_TESTCASE() [11/37]

DEFINE_TESTCASE	(	ifb2weight3	,
		backend
	)

Definition at line 350 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), query(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, and TEST_EQUAL_DOUBLE.

◆ DEFINE_TESTCASE() [12/37]

DEFINE_TESTCASE	(	ineb2weight2	,
		!	backend
	)

Definition at line 368 of file api_weight.cc.

References TEST_EXCEPTION.

◆ DEFINE_TESTCASE() [13/37]

DEFINE_TESTCASE	(	ineb2weight3	,
		backend
	)

Definition at line 378 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), query(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, and TEST_EQUAL_DOUBLE.

◆ DEFINE_TESTCASE() [14/37]

DEFINE_TESTCASE	(	bb2weight2	,
		!	backend
	)

Definition at line 396 of file api_weight.cc.

References TEST_EXCEPTION.

◆ DEFINE_TESTCASE() [15/37]

DEFINE_TESTCASE	(	bb2weight3	,
		backend
	)

Definition at line 406 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), Xapian::Query::OP_SCALE_WEIGHT, query(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, and TEST_EQUAL_DOUBLE.

◆ DEFINE_TESTCASE() [16/37]

DEFINE_TESTCASE	(	bb2weight4	,
		backend
	)

Definition at line 437 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), query(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, and TEST_EQUAL_DOUBLE.

◆ DEFINE_TESTCASE() [17/37]

DEFINE_TESTCASE	(	dlhweight1	,
		backend
	)

Definition at line 452 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), mset_expect_order(), query(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, and TEST_EQUAL_DOUBLE.

◆ DEFINE_TESTCASE() [18/37]

DEFINE_TESTCASE	(	dlhweight3	,
		backend
	)

Definition at line 480 of file api_weight.cc.

References gen_wdf_eq_doclen_db(), get_database(), Xapian::Enquire::get_mset(), query(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, and TEST_EQUAL_DOUBLE.

◆ DEFINE_TESTCASE() [19/37]

DEFINE_TESTCASE	(	pl2weight2	,
		!	backend
	)

Definition at line 496 of file api_weight.cc.

References TEST_EXCEPTION.

◆ DEFINE_TESTCASE() [20/37]

DEFINE_TESTCASE	(	pl2weight3	,
		backend
	)

Definition at line 503 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), query(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, and TEST_EQUAL_DOUBLE.

◆ DEFINE_TESTCASE() [21/37]

DEFINE_TESTCASE	(	pl2plusweight2	,
		!	backend
	)

Definition at line 520 of file api_weight.cc.

References TEST_EXCEPTION.

◆ DEFINE_TESTCASE() [22/37]

DEFINE_TESTCASE	(	pl2plusweight4	,
		backend
	)

Definition at line 531 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, and TEST_EQUAL_DOUBLE.

◆ DEFINE_TESTCASE() [23/37]

DEFINE_TESTCASE	(	pl2plusweight5	,
		backend
	)

Definition at line 547 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), mset_expect_order(), query(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), and TEST_EQUAL.

◆ DEFINE_TESTCASE() [24/37]

DEFINE_TESTCASE	(	dphweight1	,
		backend
	)

Definition at line 564 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), query(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, and TEST_EQUAL_DOUBLE.

◆ DEFINE_TESTCASE() [25/37]

DEFINE_TESTCASE	(	dphweight3	,
		backend
	)

Definition at line 581 of file api_weight.cc.

References gen_wdf_eq_doclen_db(), get_database(), Xapian::Enquire::get_mset(), query(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, and TEST_EQUAL_DOUBLE.

◆ DEFINE_TESTCASE() [26/37]

DEFINE_TESTCASE	(	tfidfweight1	,
		!	backend
	)

Definition at line 597 of file api_weight.cc.

References TEST_EXCEPTION.

◆ DEFINE_TESTCASE() [27/37]

DEFINE_TESTCASE	(	tfidfweight3	,
		backend
	)

Definition at line 607 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), mset_expect_order(), query(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, and TEST_EQUAL_DOUBLE.

◆ DEFINE_TESTCASE() [28/37]

DEFINE_TESTCASE	(	checkinitweight1	,
		backend &&!multi &&!	remote
	)

Regression test - check init() is called for the term-indep Weight obj.

Definition at line 750 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), Xapian::Query::OP_AND, Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), and TEST_EQUAL.

◆ DEFINE_TESTCASE() [29/37]

DEFINE_TESTCASE	(	checkstatsweight1	,
		backend &&!	remote
	)

Check the weight subclass gets the correct stats.

Definition at line 925 of file api_weight.cc.

References Xapian::Database::allterms_begin(), Xapian::Database::allterms_end(), get_database(), Xapian::Database::get_doccount(), Xapian::Enquire::get_mset(), Xapian::PostingIterator::get_wdf(), Xapian::Database::postlist_begin(), Xapian::Database::postlist_end(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), and TEST_EQUAL.

◆ DEFINE_TESTCASE() [30/37]

DEFINE_TESTCASE	(	checkstatsweight2	,
		backend &&!	remote
	)

Check the weight subclass gets the correct stats with OP_SYNONYM.

Definition at line 959 of file api_weight.cc.

References Xapian::Database::allterms_begin(), Xapian::Database::allterms_end(), get_database(), Xapian::Query::get_description(), Xapian::Database::get_doccount(), Xapian::Enquire::get_mset(), Xapian::PostingIterator::get_wdf(), Xapian::Query::OP_SYNONYM, Xapian::Database::postlist_begin(), Xapian::Database::postlist_end(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), TEST_EQUAL, and tout.

◆ DEFINE_TESTCASE() [31/37]

DEFINE_TESTCASE	(	checkstatsweight3	,
		backend &&!	remote
	)

Check the weight subclass gets the correct stats with OP_WILDCARD.

Definition at line 1031 of file api_weight.cc.

References Xapian::Database::allterms_begin(), Xapian::Database::allterms_end(), get_database(), Xapian::Query::get_description(), Xapian::Database::get_doccount(), Xapian::Enquire::get_mset(), Xapian::Query::OP_WILDCARD, Xapian::Database::postlist_begin(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), TEST_EQUAL, TEST_REL, testcases, tout, and XFAIL_FOR_BACKEND().

◆ DEFINE_TESTCASE() [32/37]

DEFINE_TESTCASE	(	checkstatsweight4	,
		backend &&!remote &&!	multi
	)

Check the stats for a repeated term are correct.

Definition at line 1109 of file api_weight.cc.

References Xapian::Database::allterms_begin(), Xapian::Database::allterms_end(), get_database(), Xapian::Database::get_doccount(), Xapian::Enquire::get_mset(), Xapian::PostingIterator::get_wdf(), Xapian::Database::postlist_begin(), Xapian::Database::postlist_end(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), and TEST_EQUAL.

◆ DEFINE_TESTCASE() [33/37]

DEFINE_TESTCASE	(	unigramlmweight4	,
		backend
	)

Definition at line 1143 of file api_weight.cc.

References get_database(), Xapian::Enquire::get_mset(), Xapian::Weight::JELINEK_MERCER_SMOOTHING, Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, TEST_EQUAL_DOUBLE, and Xapian::Weight::TWO_STAGE_SMOOTHING.

◆ DEFINE_TESTCASE() [34/37]

DEFINE_TESTCASE	(	unigramlmweight5	,
		backend
	)

Definition at line 1163 of file api_weight.cc.

References Xapian::Weight::ABSOLUTE_DISCOUNT_SMOOTHING, Xapian::Weight::DIRICHLET_SMOOTHING, get_database(), Xapian::Enquire::get_mset(), Xapian::Weight::JELINEK_MERCER_SMOOTHING, Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, TEST_EQUAL_DOUBLE, and Xapian::Weight::TWO_STAGE_SMOOTHING.

◆ DEFINE_TESTCASE() [35/37]

DEFINE_TESTCASE	(	unigramlmweight7	,
		backend
	)

Definition at line 1203 of file api_weight.cc.

References Xapian::Weight::DIRICHLET_PLUS_SMOOTHING, Xapian::Weight::DIRICHLET_SMOOTHING, get_database(), Xapian::Enquire::get_mset(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, and TEST_REL.

◆ DEFINE_TESTCASE() [36/37]

DEFINE_TESTCASE	(	unigramlmweight8	,
		backend
	)

Definition at line 1232 of file api_weight.cc.

References Xapian::Weight::DIRICHLET_SMOOTHING, get_database(), Xapian::Enquire::get_mset(), Xapian::Query::OP_SCALE_WEIGHT, query(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), Xapian::MSet::size(), TEST_EQUAL, TEST_EQUAL_DOUBLE, and TEST_NOT_EQUAL_DOUBLE.

◆ DEFINE_TESTCASE() [37/37]

DEFINE_TESTCASE	(	coordweight1	,
		backend
	)

Definition at line 1257 of file api_weight.cc.

References Xapian::MSet::begin(), Xapian::MSet::end(), get_database(), Xapian::Enquire::get_matching_terms_begin(), Xapian::Enquire::get_matching_terms_end(), Xapian::Enquire::get_mset(), Xapian::Query::OP_OR, query(), Xapian::Enquire::set_query(), Xapian::Enquire::set_weighting_scheme(), and TEST_EQUAL.

◆ gen_wdf_eq_doclen_db()

static void gen_wdf_eq_doclen_db	(	Xapian::WritableDatabase &	db,
		const string &
	)

static

Definition at line 472 of file api_weight.cc.

References Xapian::WritableDatabase::add_document(), and Xapian::Document::add_term().

Referenced by DEFINE_TESTCASE().

◆ test_weight_class()

template<class W >

static void test_weight_class	(	const char *	name,
		const W &	obj_default,
		const W &	obj_other
	)

inlinestatic

Definition at line 67 of file api_weight.cc.

References CONST_STRLEN, FAIL_TEST, Xapian::Error::get_msg(), name, Xapian::Weight::serialise(), TEST, TEST_EQUAL, TEST_NOT_EQUAL, and tout.

◆ test_weight_class_no_params()

template<class W >

static void test_weight_class_no_params ( const char * name )

inlinestatic

Definition at line 38 of file api_weight.cc.

References CONST_STRLEN, FAIL_TEST, Xapian::Error::get_msg(), name, TEST, TEST_EQUAL, and tout.

Classes

Macros

Functions

Detailed Description

Macro Definition Documentation

◆ TEST_WEIGHT_CLASS

◆ TEST_WEIGHT_CLASS_NO_PARAMS

◆ TEST_WEIGHTING_SCHEME

Function Documentation

◆ DEFINE_TESTCASE() [1/37]

◆ DEFINE_TESTCASE() [2/37]

◆ DEFINE_TESTCASE() [3/37]

◆ DEFINE_TESTCASE() [4/37]

◆ DEFINE_TESTCASE() [5/37]

◆ DEFINE_TESTCASE() [6/37]

◆ DEFINE_TESTCASE() [7/37]

◆ DEFINE_TESTCASE() [8/37]

◆ DEFINE_TESTCASE() [9/37]

◆ DEFINE_TESTCASE() [10/37]

◆ DEFINE_TESTCASE() [11/37]

◆ DEFINE_TESTCASE() [12/37]

◆ DEFINE_TESTCASE() [13/37]

◆ DEFINE_TESTCASE() [14/37]

◆ DEFINE_TESTCASE() [15/37]

◆ DEFINE_TESTCASE() [16/37]

◆ DEFINE_TESTCASE() [17/37]

◆ DEFINE_TESTCASE() [18/37]

◆ DEFINE_TESTCASE() [19/37]

◆ DEFINE_TESTCASE() [20/37]

◆ DEFINE_TESTCASE() [21/37]

◆ DEFINE_TESTCASE() [22/37]

◆ DEFINE_TESTCASE() [23/37]

◆ DEFINE_TESTCASE() [24/37]

◆ DEFINE_TESTCASE() [25/37]

◆ DEFINE_TESTCASE() [26/37]

◆ DEFINE_TESTCASE() [27/37]

◆ DEFINE_TESTCASE() [28/37]

◆ DEFINE_TESTCASE() [29/37]

◆ DEFINE_TESTCASE() [30/37]

◆ DEFINE_TESTCASE() [31/37]

◆ DEFINE_TESTCASE() [32/37]

◆ DEFINE_TESTCASE() [33/37]

◆ DEFINE_TESTCASE() [34/37]

◆ DEFINE_TESTCASE() [35/37]

◆ DEFINE_TESTCASE() [36/37]

◆ DEFINE_TESTCASE() [37/37]

◆ gen_wdf_eq_doclen_db()

◆ test_weight_class()

◆ test_weight_class_no_params()