SQLite

Check-in [2946fbb718]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Add test file savepoint6.test. Contains pseudo random tests of savepoint related commands. (CVS 6105)
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 2946fbb7183d597b4db1db203eb5fd57c9762dc4
User & Date: danielk1977 2009-01-03 10:41:29.000
Context
2009-01-03
12:55
Fix a typo in a comment. (CVS 6106) (check-in: 50f57cd145 user: drh tags: trunk)
10:41
Add test file savepoint6.test. Contains pseudo random tests of savepoint related commands. (CVS 6105) (check-in: 2946fbb718 user: danielk1977 tags: trunk)
2009-01-02
21:39
Memory allocation failure in Bitvec are probably all benign. Still, add code to check this, just to be sure. (CVS 6104) (check-in: 4688e1c8b1 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to test/quick.test.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
#
#    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 runs all tests.
#
# $Id: quick.test,v 1.90 2008/12/19 16:31:12 danielk1977 Exp $

proc lshift {lvar} {
  upvar $lvar l
  set ret [lindex $l 0]
  set l [lrange $l 1 end]
  return $ret
}








|







1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
#
#    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 runs all tests.
#
# $Id: quick.test,v 1.91 2009/01/03 10:41:29 danielk1977 Exp $

proc lshift {lvar} {
  upvar $lvar l
  set ret [lindex $l 0]
  set l [lrange $l 1 end]
  return $ret
}
66
67
68
69
70
71
72

73
74
75
76
77
78
79
  misc7.test
  misuse.test
  mutex2.test
  onefile.test
  permutations.test
  quick.test
  savepoint4.test

  select9.test
  soak.test
  speed1.test
  speed1p.test
  speed2.test
  speed3.test
  speed4.test







>







66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
  misc7.test
  misuse.test
  mutex2.test
  onefile.test
  permutations.test
  quick.test
  savepoint4.test
  savepoint6.test
  select9.test
  soak.test
  speed1.test
  speed1p.test
  speed2.test
  speed3.test
  speed4.test
Added test/savepoint6.test.






























































































































































































































































































































































































































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
# 2009 January 3
#
# 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.
#
#***********************************************************************
#
# $Id: savepoint6.test,v 1.1 2009/01/03 10:41:29 danielk1977 Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_test savepoint6-1.1 {
  execsql {
    PRAGMA auto_vacuum = incremental;
    CREATE TABLE t1(x, y);
    CREATE UNIQUE INDEX i1 ON t1(x);
    CREATE INDEX i2 ON t1(y);
  }
} {}

#--------------------------------------------------------------------------
# In memory database state.
#
# ::lSavepoint is a list containing one entry for each active savepoint. The
# first entry in the list corresponds to the most recently opened savepoint.
# Each entry consists of two elements:
#
#   1. The savepoint name.
#
#   2. A serialized Tcl array representing the contents of table t1 at the
#      start of the savepoint. The keys of the array are the x values. The
#      values are the y values.
#  
# Array ::aEntry contains the contents of database table t1. Array keys are
# x values, the array data values are y values.
#
set lSavepoint [list]
array set aEntry [list]

proc x_to_y {x} {
  set nChar [expr int(rand()*250) + 250]
  set str " $nChar [string repeat $x. $nChar]"
  string range $str 1 $nChar
}
#--------------------------------------------------------------------------

#-------------------------------------------------------------------------
# Procs to operate on database:
#
#   savepoint NAME
#   rollback  NAME
#   release   NAME
#
#   insert_rows XVALUES
#   delete_rows XVALUES
#
proc savepoint {zName} {
  catch { db eval "SAVEPOINT $zName" }
  lappend ::lSavepoint [list $zName [array get ::aEntry]]
}

proc rollback {zName} {
  catch { db eval "ROLLBACK TO $zName" }
  for {set i [expr {[llength $::lSavepoint]-1}]} {$i>=0} {incr i -1} {
    set zSavepoint [lindex $::lSavepoint $i 0]
    if {$zSavepoint eq $zName} {
      unset -nocomplain ::aEntry
      array set ::aEntry [lindex $::lSavepoint $i 1]


      if {$i+1 < [llength $::lSavepoint]} {
        set ::lSavepoint [lreplace $::lSavepoint [expr $i+1] end]
      }
      break
    }
  }
}

proc release {zName} {
  catch { db eval "RELEASE $zName" }
  for {set i [expr {[llength $::lSavepoint]-1}]} {$i>=0} {incr i -1} {
    set zSavepoint [lindex $::lSavepoint $i 0]
    if {$zSavepoint eq $zName} {
      set ::lSavepoint [lreplace $::lSavepoint $i end]
      break
    }
  }
}

proc insert_rows {lX} {
  foreach x $lX {
    set y [x_to_y $x]

    # Update database [db]
    db eval {INSERT OR REPLACE INTO t1 VALUES($x, $y)}

    # Update the Tcl database.
    set ::aEntry($x) $y
  }
}

proc delete_rows {lX} {
  foreach x $lX {
    # Update database [db]
    db eval {DELETE FROM t1 WHERE x = $x}

    # Update the Tcl database.
    unset -nocomplain ::aEntry($x)
  }
}
#-------------------------------------------------------------------------

#-------------------------------------------------------------------------
# Proc to compare database content with the in-memory representation.
#
#   checkdb
#
proc checkdb {} {
  set nEntry [db one {SELECT count(*) FROM t1}]
  set nEntry2 [array size ::aEntry]
  if {$nEntry != $nEntry2} {
    error "$nEntry entries in database, $nEntry2 entries in array"
  }
  db eval {SELECT x, y FROM t1} {
    if {![info exists ::aEntry($x)]} {
      error "Entry $x exists in database, but not in array"
    }
    if {$::aEntry($x) ne $y} {
      error "Entry $x is set to {$y} in database, {$::aEntry($x)} in array"
    }
  }

  db eval { PRAGMA integrity_check }
}
#-------------------------------------------------------------------------

#-------------------------------------------------------------------------
# Proc to return random set of x values.
#
#   random_integers
#
proc random_integers {nRes nRange} {
  set ret [list]
  for {set i 0} {$i<$nRes} {incr i} {
    lappend ret [expr int(rand()*$nRange)]
  }
  return $ret
} 
#-------------------------------------------------------------------------

db eval { PRAGMA cache_size = 10 }
expr srand(0)

proc database_op {} {
  set i [expr int(rand()*2)] 
  if {$i==0} {
    insert_rows [random_integers 100 1000]
  }
  if {$i==1} {
    delete_rows [random_integers 100 1000]
    set i [expr int(rand()*3)] 
    if {$i==0} {
      db eval {PRAGMA incremental_vacuum}
    }
  }
}

proc savepoint_op {} {
  set names {one two three four five}
  set cmds  {savepoint savepoint savepoint savepoint release rollback}

  set C [lindex $cmds [expr int(rand()*6)]]
  set N [lindex $names [expr int(rand()*5)]]

  $C $N
  return ok
}

do_test savepoint6-2.1 {
  savepoint one
  insert_rows [random_integers 100 1000]
  release one
  checkdb
} {ok}

for {set i 0} {$i < 1000} {incr i} {
  do_test savepoint6-3.$i.1 {
    savepoint_op
  } {ok}

  do_test savepoint6-3.$i.2 {
    database_op
    database_op
    checkdb
  } {ok}
}

unset -nocomplain ::lSavepoint
unset -nocomplain ::aEntry

finish_test