modernc.org/cc@v1.0.1/v2/testdata/_sqlite/ext/fts5/test/fts5near.test (about)

     1  # 2014 Jan 08
     2  #
     3  # The author disclaims copyright to this source code.  In place of
     4  # a legal notice, here is a blessing:
     5  #
     6  #    May you do good and not evil.
     7  #    May you find forgiveness for yourself and forgive others.
     8  #    May you share freely, never taking more than you give.
     9  #
    10  #***********************************************************************
    11  #
    12  # Tests focused on the NEAR operator.
    13  #
    14  
    15  source [file join [file dirname [info script]] fts5_common.tcl]
    16  set testprefix fts5near
    17  
    18  # If SQLITE_ENABLE_FTS5 is defined, omit this file.
    19  ifcapable !fts5 {
    20    finish_test
    21    return
    22  }
    23  
    24  proc do_near_test {tn doc near res} {
    25    uplevel [list do_execsql_test $tn "
    26      DELETE FROM t1;
    27      INSERT INTO t1 VALUES('$doc');
    28      SELECT count(*) FROM t1 WHERE t1 MATCH '$near';
    29    " $res]
    30  }
    31  
    32  execsql { 
    33    CREATE VIRTUAL TABLE t1 USING fts5(x, tokenize = "ascii tokenchars '.'") 
    34  }
    35  
    36  do_near_test 1.1 ". . a . . . b . ." { NEAR(a b, 5) } 1
    37  do_near_test 1.2 ". . a . . . b . ." { NEAR(a b, 4) } 1
    38  do_near_test 1.3 ". . a . . . b . ." { NEAR(a b, 3) } 1
    39  do_near_test 1.4 ". . a . . . b . ." { NEAR(a b, 2) } 0
    40  
    41  do_near_test 1.5 ". . a . . . b . ." { NEAR(b a, 5) } 1
    42  do_near_test 1.6 ". . a . . . b . ." { NEAR(b a, 4) } 1
    43  do_near_test 1.7 ". . a . . . b . ." { NEAR(b a, 3) } 1
    44  do_near_test 1.8 ". . a . . . b . ." { NEAR(b a, 2) } 0
    45  
    46  do_near_test 1.9  ". a b . . . c . ." { NEAR("a b" c, 3) } 1
    47  do_near_test 1.10 ". a b . . . c . ." { NEAR("a b" c, 2) } 0
    48  do_near_test 1.11 ". a b . . . c . ." { NEAR(c "a b", 3) } 1
    49  do_near_test 1.12 ". a b . . . c . ." { NEAR(c "a b", 2) } 0
    50  
    51  do_near_test 1.13 ". a b . . . c d ." { NEAR(a+b c+d, 3) } 1
    52  do_near_test 1.14 ". a b . . . c d ." { NEAR(a+b c+d, 2) } 0
    53  do_near_test 1.15 ". a b . . . c d ." { NEAR(c+d a+b, 3) } 1
    54  do_near_test 1.16 ". a b . . . c d ." { NEAR(c+d a+b, 2) } 0
    55  
    56  do_near_test 1.17 ". a b . . . c d ." { NEAR(a b c d, 5) } 1
    57  do_near_test 1.18 ". a b . . . c d ." { NEAR(a b c d, 4) } 0
    58  do_near_test 1.19 ". a b . . . c d ." { NEAR(a+b c d, 4) } 1
    59  
    60  do_near_test 1.20 "a b c d e f g h i" { NEAR(b+c a+b+c+d i, 5) } 1
    61  do_near_test 1.21 "a b c d e f g h i" { NEAR(b+c a+b+c+d i, 4) } 0
    62  
    63  do_near_test 1.22 "a b c d e f g h i" { NEAR(a+b+c+d i b+c, 5) } 1
    64  do_near_test 1.23 "a b c d e f g h i" { NEAR(a+b+c+d i b+c, 4) } 0
    65  
    66  do_near_test 1.24 "a b c d e f g h i" { NEAR(i a+b+c+d b+c, 5) } 1
    67  do_near_test 1.25 "a b c d e f g h i" { NEAR(i a+b+c+d b+c, 4) } 0
    68  
    69  
    70  finish_test