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

     1  # 2006 January 20
     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  # This file implements regression tests for SQLite library.
    12  #
    13  # This file implements tests for calling sqlite3_result_error()
    14  # from within an aggregate function implementation.
    15  #
    16  # $Id: aggerror.test,v 1.3 2006/05/03 23:34:06 drh Exp $
    17  
    18  set testdir [file dirname $argv0]
    19  source $testdir/tester.tcl
    20  
    21  
    22  # Add the x_count aggregate function to the database handle.
    23  # x_count will error out if its input is 40 or 41 or if its
    24  # final results is 42.  Make sure that such errors are handled
    25  # appropriately.
    26  #
    27  do_test aggerror-1.1 {
    28    set DB [sqlite3_connection_pointer db]
    29    sqlite3_create_aggregate $DB
    30    execsql {
    31      CREATE TABLE t1(a);
    32      INSERT INTO t1 VALUES(1);
    33      INSERT INTO t1 VALUES(2);
    34      INSERT INTO t1 SELECT a+2 FROM t1;
    35      INSERT INTO t1 SELECT a+4 FROM t1;
    36      INSERT INTO t1 SELECT a+8 FROM t1;
    37      INSERT INTO t1 SELECT a+16 FROM t1;
    38      INSERT INTO t1 SELECT a+32 FROM t1 ORDER BY a LIMIT 7;
    39      SELECT x_count(*) FROM t1;
    40    }
    41  } {39}
    42  do_test aggerror-1.2 {
    43    execsql {
    44      INSERT INTO t1 VALUES(40);
    45      SELECT x_count(*) FROM t1;
    46    }
    47  } {40}
    48  do_test aggerror-1.3 {
    49    catchsql {
    50      SELECT x_count(a) FROM t1;
    51    }
    52  } {1 {value of 40 handed to x_count}}
    53  ifcapable utf16 {
    54    do_test aggerror-1.4 {
    55      execsql {
    56        UPDATE t1 SET a=41 WHERE a=40
    57      }
    58      catchsql {
    59        SELECT x_count(a) FROM t1;
    60      }
    61    } {1 abc}
    62  }
    63  do_test aggerror-1.5 {
    64    execsql {
    65      SELECT x_count(*) FROM t1
    66    }
    67  } 40
    68  do_test aggerror-1.6 {
    69    execsql {
    70      INSERT INTO t1 VALUES(40);
    71      INSERT INTO t1 VALUES(42);
    72    }
    73    catchsql {
    74      SELECT x_count(*) FROM t1;
    75    }
    76  } {1 {x_count totals to 42}}
    77  
    78  finish_test