[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/test/interrupt.test

-# 2004 Feb 8
-#
-# The author disclaims copyright to this source code.  In place of
-# a legal notice, here is a blessing:
-#
-#    May you do good and not evil.
-#    May you find forgiveness for yourself and forgive others.
-#    May you share freely, never taking more than you give.
-#
-#***********************************************************************
-# This file implements regression tests for SQLite library.  The
-# focus of this script is the sqlite_interrupt() API.
-#
-# $Id: interrupt.test,v 1.16 2008/01/16 17:46:38 drh Exp $
-
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-set DB [sqlite3_connection_pointer db]
-
-# This routine attempts to execute the sql in $sql.  It triggers an
-# interrupt at progressively later and later points during the processing
-# and checks to make sure SQLITE_INTERRUPT is returned.  Eventually,
-# the routine completes successfully.
-#
-proc interrupt_test {testid sql result {initcnt 0}} {
-  set orig_sum [cksum]
-  set i $initcnt
-  while 1 {
-    incr i
-    set ::sqlite_interrupt_count $i
-    do_test $testid.$i.1 [format {
-      set ::r [catchsql %s]
-      set ::code [db errorcode]
-      expr {$::code==0 || $::code==9}
-    } [list $sql]] 1
-    if {$::code==9} {
-      do_test $testid.$i.2 {
-        cksum
-      } $orig_sum
-    } else {
-      do_test $testid.$i.99 {
-        set ::r
-      } [list 0 $result]
-      break
-    }
-  }
-  set ::sqlite_interrupt_count 0
-}
-
-do_test interrupt-1.1 {
-  execsql {
-    CREATE TABLE t1(a,b);
-    SELECT name FROM sqlite_master;
-  }
-} {t1}
-interrupt_test interrupt-1.2 {DROP TABLE t1} {}
-do_test interrupt-1.3 {
-  execsql {
-    SELECT name FROM sqlite_master;
-  }
-} {}
-integrity_check interrupt-1.4
-
-do_test interrrupt-2.1 {
-  execsql {
-    BEGIN;
-    CREATE TABLE t1(a,b);
-    INSERT INTO t1 VALUES(1,randstr(300,400));
-    INSERT INTO t1 SELECT a+1, randstr(300,400) FROM t1;
-    INSERT INTO t1 SELECT a+2, a || '-' || b FROM t1;
-    INSERT INTO t1 SELECT a+4, a || '-' || b FROM t1;
-    INSERT INTO t1 SELECT a+8, a || '-' || b FROM t1;
-    INSERT INTO t1 SELECT a+16, a || '-' || b FROM t1;
-    INSERT INTO t1 SELECT a+32, a || '-' || b FROM t1;
-    COMMIT;
-    UPDATE t1 SET b=substr(b,-5,5);
-    SELECT count(*) from t1;
-  }
-} 64
-set origsize [file size test.db]
-set cksum [db eval {SELECT md5sum(a || b) FROM t1}]
-ifcapable {vacuum} {
-  interrupt_test interrupt-2.2 {VACUUM} {} 100
-}
-do_test interrupt-2.3 {
-  execsql {
-    SELECT md5sum(a || b) FROM t1;
-  }
-} $cksum
-ifcapable {vacuum && !default_autovacuum} {
-  do_test interrupt-2.4 {
-    expr {$::origsize>[file size test.db]}
-  } 1
-}
-ifcapable {explain} {
-  do_test interrupt-2.5 {
-    set sql {EXPLAIN SELECT max(a,b), a, b FROM t1}
-    execsql $sql
-    set rc [catch {db eval $sql {sqlite3_interrupt $DB}} msg]
-    lappend rc $msg
-  } {1 interrupted}
-}
-integrity_check interrupt-2.6
-
-# Ticket #594.  If an interrupt occurs in the middle of a transaction
-# and that transaction is later rolled back, the internal schema tables do
-# not reset.
-#
-# UPDATE: Interrupting a DML statement in the middle of a transaction now
-# causes the transaction to roll back. Leaving the transaction open after
-# an SQL statement was interrupted halfway through risks database corruption.
-#
-ifcapable tempdb {
-  for {set i 1} {$i<50} {incr i 5} {
-    do_test interrupt-3.$i.1 {
-      execsql {
-        BEGIN;
-        CREATE TEMP TABLE t2(x,y);
-        SELECT name FROM sqlite_temp_master;
-      }
-    } {t2}
-    do_test interrupt-3.$i.2 {
-      set ::sqlite_interrupt_count $::i
-      catchsql {
-        INSERT INTO t2 SELECT * FROM t1;
-      }
-    } {1 interrupted}
-    do_test interrupt-3.$i.3 {
-      execsql {
-        SELECT name FROM sqlite_temp_master;
-      }
-    } {}
-    do_test interrupt-3.$i.4 {
-      catchsql {
-        ROLLBACK
-      }
-    } {1 {cannot rollback - no transaction is active}}
-    do_test interrupt-3.$i.5 {
-      catchsql {SELECT name FROM sqlite_temp_master};
-      execsql {
-        SELECT name FROM sqlite_temp_master;
-      }
-    } {}
-  }
-}
-
-# There are reports of a memory leak if an interrupt occurs during
-# the beginning of a complex query - before the first callback.  We
-# will try to reproduce it here:
-#
-execsql {
-  CREATE TABLE t2(a,b,c);
-  INSERT INTO t2 SELECT round(a/10), randstr(50,80), randstr(50,60) FROM t1;
-}
-set sql {
-  SELECT max(min(b,c)), min(max(b,c)), a FROM t2 GROUP BY a ORDER BY a;
-}
-set sqlite_interrupt_count 1000000
-execsql $sql
-set max_count [expr {1000000-$sqlite_interrupt_count}]
-for {set i 1} {$i<$max_count-5} {incr i 1} {
-  do_test interrupt-4.$i.1 {
-    set ::sqlite_interrupt_count $::i
-    catchsql $sql
-  } {1 interrupted}
-}
-
-if {0} {  # This doesn't work anymore since the collation factor is
-          # no longer called during schema parsing.
-# Interrupt during parsing
-#
-do_test interrupt-5.1 {
-  proc fake_interrupt {args} {
-    db collate fake_collation no-op
-    sqlite3_interrupt db
-    return SQLITE_OK
-  }
-  db collation_needed fake_interrupt
-  catchsql {
-    CREATE INDEX fake ON fake1(a COLLATE fake_collation, b, c DESC);
-  }
-} {1 interrupt}
-}
-finish_test