github.com/jdgcs/sqlite3@v1.12.1-0.20210908114423-bc5f96e4dd51/testdata/tcl/tkt3929.test (about)

     1  # 2009 June 23
     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 to verify ticket #3929 is fixed.
    13  #
    14  # $Id: tkt3929.test,v 1.1 2009/06/23 11:53:09 danielk1977 Exp $
    15  
    16  set testdir [file dirname $argv0]
    17  source $testdir/tester.tcl
    18  ifcapable {!trigger} {
    19    finish_test
    20    return
    21  }
    22  
    23  do_test tkt3929-1.0 {
    24    execsql {
    25      PRAGMA page_size = 1024;
    26      CREATE TABLE t1(a, b);
    27      CREATE INDEX i1 ON t1(a, b);
    28      CREATE TRIGGER t1_t1 AFTER INSERT ON t1 BEGIN
    29        UPDATE t1 SET b = 'value: ' || a WHERE t1.rowid = new.rowid;
    30      END;
    31    }
    32  } {}
    33  
    34  do_test tkt3929-1.1 {
    35    execsql {
    36      INSERT INTO t1(a) VALUES(1);
    37      INSERT INTO t1(a) VALUES(2);
    38      SELECT * FROM t1;
    39    }
    40  } {1 {value: 1} 2 {value: 2}}
    41  
    42  # Before it was fixed, the following provoked the bug, causing either an
    43  # assertion failure or a "database is malformed" error.
    44  #
    45  do_test tkt3930-1.2 {
    46    for {set i 3} {$i < 100} {incr i} {
    47      execsql { INSERT INTO t1(a) VALUES($i) }
    48    }
    49  } {}
    50  
    51  integrity_check tkt3930-1.3
    52  finish_test