github.com/jdgcs/sqlite3@v1.12.1-0.20210908114423-bc5f96e4dd51/testdata/tcl/mmapwarm.test (about)

     1  # 20 September 18
     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  
    13  set testdir [file dirname $argv0]
    14  source $testdir/tester.tcl
    15  
    16  
    17  if 0 {
    18    db close
    19    sqlite3_shutdown
    20    proc msg {args} { puts $args }
    21    test_sqlite3_log msg
    22    sqlite3 db test.db
    23  }
    24  
    25  set testprefix mmapwarm
    26  
    27  
    28  do_execsql_test 1.0 {
    29    PRAGMA auto_vacuum = 0;
    30    CREATE TABLE t1(x, y);
    31    WITH s(i) AS (
    32      SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<500
    33    )
    34    INSERT INTO t1 SELECT randomblob(400), randomblob(500) FROM s;
    35    PRAGMA page_count;
    36  } {507}
    37  db close
    38  
    39  do_test 1.1 {
    40    sqlite3 db test.db
    41    db eval {PRAGMA mmap_size = 1000000}
    42    sqlite3_mmap_warm db
    43  } {SQLITE_OK}
    44  
    45  do_test 1.2 {
    46    db close
    47    sqlite3 db test.db
    48    db eval {PRAGMA mmap_size = 1000000}
    49    sqlite3_mmap_warm db "main"
    50  } {SQLITE_OK}
    51  
    52  do_test 1.3 {
    53    sqlite3 db test.db
    54    sqlite3_mmap_warm db
    55  } {SQLITE_OK}
    56  
    57  do_test 1.4 {
    58    db close
    59    sqlite3 db test.db
    60    sqlite3_mmap_warm db "main"
    61  } {SQLITE_OK}
    62  
    63  do_test 2.0 {
    64    db close
    65    sqlite3 db test.db
    66    db eval BEGIN
    67    sqlite3_mmap_warm db "main"
    68  } {SQLITE_MISUSE}
    69  
    70  do_faultsim_test 3 -faults oom* -prep {
    71    sqlite3 db test.db
    72    sqlite3_db_config_lookaside db 0 0 0
    73    db eval { PRAGMA mmap_size = 1000000 }
    74    db eval { SELECT * FROM sqlite_master }
    75  } -body {
    76    sqlite3_mmap_warm db "main"
    77  } -test {
    78    faultsim_test_result {0 SQLITE_OK} {0 SQLITE_NOMEM}
    79  }
    80   
    81  finish_test