gitlab.com/CoiaPrant/sqlite3@v1.19.1/testdata/tcl/intreal.test (about)

     1  # 2019-05-03
     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  # Tests to exercise the MEM_IntReal representation of Mem objects.
    12  #
    13  set testdir [file dirname $argv0]
    14  source $testdir/tester.tcl
    15  set ::testprefix intreal
    16  
    17  sqlite3_create_function db
    18  do_execsql_test 100 {
    19    SELECT intreal(5);
    20  } {5.0}
    21  do_execsql_test 110 {
    22    SELECT intreal(5)=5, 6=intreal(6);
    23  } {1 1}
    24  do_execsql_test 120 {
    25    SELECT intreal(7)=7.0, 8.0=intreal(8);
    26  } {1 1}
    27  do_execsql_test 130 {
    28    SELECT typeof(intreal(9));
    29  } {real}
    30  do_execsql_test 140 {
    31    SELECT 'a'||intreal(11)||'z';
    32  } {a11.0z}
    33  
    34  do_execsql_test 150 {
    35    SELECT max(1.0,intreal(2),3.0), max(1,intreal(2),3);
    36  } {3.0 3}
    37  do_execsql_test 160 {
    38    SELECT max(1.0,intreal(4),3.0), max(1,intreal(4),3);
    39  } {4.0 4.0}
    40  do_execsql_test 170 {
    41    SELECT max(1.0,intreal(2),intreal(3),4.0),
    42           max(1,intreal(2),intreal(3),4);
    43  } {4.0 4}
    44  do_execsql_test 180 {
    45    SELECT max(1.0,intreal(5),intreal(3),4.0),
    46           max(1,intreal(5),intreal(3),4);
    47  } {5.0 5.0}
    48  
    49  #-------------------------------------------------------------------------
    50  do_execsql_test 2.1 {
    51    CREATE TABLE t2(a REAL);
    52    INSERT INTO t2 VALUES( 836627109860825358 );
    53    SELECT substr(a,1,4) FROM t2 WHERE a = CAST(836627109860825358 AS REAL);
    54  } {8.36}
    55  
    56  do_execsql_test 2.2 {
    57    CREATE INDEX i2 ON t2(a);
    58    SELECT substr(a,1,4) FROM t2 WHERE a = CAST(836627109860825358 AS REAL);
    59  } {8.36}
    60  
    61  do_execsql_test 2.3 {
    62    CREATE TABLE t0 (c0);
    63    CREATE TABLE t1 (c1 REAL);
    64    INSERT INTO t1(c1) VALUES (8366271098608253588);
    65    INSERT INTO t0(c0) VALUES ('a');
    66  }
    67  set D [db one {SELECT c1 FROM t1}]
    68  
    69  do_execsql_test 2.4 {
    70    SELECT * FROM t1 WHERE (t1.c1 = CAST(8366271098608253588 AS REAL));
    71  } $D
    72  
    73  do_execsql_test 2.5 {
    74    SELECT * FROM t0, t1 WHERE (t1.c1 = CAST(8366271098608253588 AS REAL));
    75  } [list a $D]
    76  
    77  do_execsql_test 2.6 {
    78    SELECT * FROM t0, t1 
    79    WHERE (
    80          t1.c1 >= CAST(8366271098608253588 AS REAL) 
    81      AND t1.c1 <= CAST(8366271098608253588 AS REAL)
    82    );
    83  } [list a $D]
    84  
    85  # 2019-07-29 ticket ba2f4585cf495231
    86  #
    87  db close
    88  sqlite3 db :memory:
    89  do_execsql_test 3.0 {
    90    CREATE TABLE t0 (c0 REAL, c1);
    91    CREATE UNIQUE INDEX i0 ON t0(c1, 0 | c0);
    92    INSERT INTO t0(c0) VALUES (4750228396194493326), (0);
    93    UPDATE OR REPLACE t0 SET c0 = 'a', c1 = '';
    94    SELECT * FROM t0 ORDER BY t0.c1;
    95    PRAGMA integrity_check;
    96  } {a {} ok}
    97  
    98  finish_test