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Side by Side Diff: third_party/sqlite/ext/rtree/rtree4.test

Issue 3108030: Move bundled copy of sqlite one level deeper to better separate it... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 10 years, 4 months ago
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1 # 2008 May 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 # Randomized test cases for the rtree extension.
13 #
14 # $Id: rtree4.test,v 1.3 2008/06/23 15:55:52 danielk1977 Exp $
15 #
16
17 if {![info exists testdir]} {
18 set testdir [file join [file dirname $argv0] .. .. test]
19 }
20 source $testdir/tester.tcl
21
22 ifcapable !rtree {
23 finish_test
24 return
25 }
26
27 set ::NROW 2500
28 if {[info exists ISQUICK] && $ISQUICK} {
29 set ::NROW 250
30 }
31
32 # Return a floating point number between -X and X.
33 #
34 proc rand {X} {
35 return [expr {int((rand()-0.5)*1024.0*$X)/512.0}]
36 }
37
38 # Return a positive floating point number less than or equal to X
39 #
40 proc randincr {X} {
41 while 1 {
42 set r [expr {int(rand()*$X*32.0)/32.0}]
43 if {$r>0.0} {return $r}
44 }
45 }
46
47 # Scramble the $inlist into a random order.
48 #
49 proc scramble {inlist} {
50 set y {}
51 foreach x $inlist {
52 lappend y [list [expr {rand()}] $x]
53 }
54 set y [lsort $y]
55 set outlist {}
56 foreach x $y {
57 lappend outlist [lindex $x 1]
58 }
59 return $outlist
60 }
61
62 # Always use the same random seed so that the sequence of tests
63 # is repeatable.
64 #
65 expr {srand(1234)}
66
67 # Run these tests for all number of dimensions between 1 and 5.
68 #
69 for {set nDim 1} {$nDim<=5} {incr nDim} {
70
71 # Construct an rtree virtual table and an ordinary btree table
72 # to mirror it. The ordinary table should be much slower (since
73 # it has to do a full table scan) but should give the exact same
74 # answers.
75 #
76 do_test rtree4-$nDim.1 {
77 set clist {}
78 set cklist {}
79 for {set i 0} {$i<$nDim} {incr i} {
80 lappend clist mn$i mx$i
81 lappend cklist "mn$i<mx$i"
82 }
83 db eval "DROP TABLE IF EXISTS rx"
84 db eval "DROP TABLE IF EXISTS bx"
85 db eval "CREATE VIRTUAL TABLE rx USING rtree(id, [join $clist ,])"
86 db eval "CREATE TABLE bx(id INTEGER PRIMARY KEY,\
87 [join $clist ,], CHECK( [join $cklist { AND }] ))"
88 } {}
89
90 # Do many insertions of small objects. Do both overlapping and
91 # contained-within queries after each insert to verify that all
92 # is well.
93 #
94 unset -nocomplain where
95 for {set i 1} {$i<$::NROW} {incr i} {
96 # Do a random insert
97 #
98 do_test rtree-$nDim.2.$i.1 {
99 set vlist {}
100 for {set j 0} {$j<$nDim} {incr j} {
101 set mn [rand 10000]
102 set mx [expr {$mn+[randincr 50]}]
103 lappend vlist $mn $mx
104 }
105 db eval "INSERT INTO rx VALUES(NULL, [join $vlist ,])"
106 db eval "INSERT INTO bx VALUES(NULL, [join $vlist ,])"
107 } {}
108
109 # Do a contained-in query on all dimensions
110 #
111 set where {}
112 for {set j 0} {$j<$nDim} {incr j} {
113 set mn [rand 10000]
114 set mx [expr {$mn+[randincr 500]}]
115 lappend where mn$j>=$mn mx$j<=$mx
116 }
117 set where "WHERE [join $where { AND }]"
118 do_test rtree-$nDim.2.$i.2 {
119 list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
120 } [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
121
122 # Do an overlaps query on all dimensions
123 #
124 set where {}
125 for {set j 0} {$j<$nDim} {incr j} {
126 set mn [rand 10000]
127 set mx [expr {$mn+[randincr 500]}]
128 lappend where mx$j>=$mn mn$j<=$mx
129 }
130 set where "WHERE [join $where { AND }]"
131 do_test rtree-$nDim.2.$i.3 {
132 list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
133 } [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
134
135 # Do a contained-in query with surplus contraints at the beginning.
136 # This should force a full-table scan on the rtree.
137 #
138 set where {}
139 for {set j 0} {$j<$nDim} {incr j} {
140 lappend where mn$j>-10000 mx$j<10000
141 }
142 for {set j 0} {$j<$nDim} {incr j} {
143 set mn [rand 10000]
144 set mx [expr {$mn+[randincr 500]}]
145 lappend where mn$j>=$mn mx$j<=$mx
146 }
147 set where "WHERE [join $where { AND }]"
148 do_test rtree-$nDim.2.$i.3 {
149 list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
150 } [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
151
152 # Do an overlaps query with surplus contraints at the beginning.
153 # This should force a full-table scan on the rtree.
154 #
155 set where {}
156 for {set j 0} {$j<$nDim} {incr j} {
157 lappend where mn$j>=-10000 mx$j<=10000
158 }
159 for {set j 0} {$j<$nDim} {incr j} {
160 set mn [rand 10000]
161 set mx [expr {$mn+[randincr 500]}]
162 lappend where mx$j>$mn mn$j<$mx
163 }
164 set where "WHERE [join $where { AND }]"
165 do_test rtree-$nDim.2.$i.4 {
166 list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
167 } [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
168
169 # Do a contained-in query with surplus contraints at the end
170 #
171 set where {}
172 for {set j 0} {$j<$nDim} {incr j} {
173 set mn [rand 10000]
174 set mx [expr {$mn+[randincr 500]}]
175 lappend where mn$j>=$mn mx$j<$mx
176 }
177 for {set j [expr {$nDim-1}]} {$j>=0} {incr j -1} {
178 lappend where mn$j>=-10000 mx$j<10000
179 }
180 set where "WHERE [join $where { AND }]"
181 do_test rtree-$nDim.2.$i.5 {
182 list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
183 } [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
184
185 # Do an overlaps query with surplus contraints at the end
186 #
187 set where {}
188 for {set j [expr {$nDim-1}]} {$j>=0} {incr j -1} {
189 set mn [rand 10000]
190 set mx [expr {$mn+[randincr 500]}]
191 lappend where mx$j>$mn mn$j<=$mx
192 }
193 for {set j 0} {$j<$nDim} {incr j} {
194 lappend where mx$j>-10000 mn$j<=10000
195 }
196 set where "WHERE [join $where { AND }]"
197 do_test rtree-$nDim.2.$i.6 {
198 list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
199 } [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
200
201 # Do a contained-in query with surplus contraints where the
202 # constraints appear in a random order.
203 #
204 set where {}
205 for {set j 0} {$j<$nDim} {incr j} {
206 set mn1 [rand 10000]
207 set mn2 [expr {$mn1+[randincr 100]}]
208 set mx1 [expr {$mn2+[randincr 400]}]
209 set mx2 [expr {$mx1+[randincr 100]}]
210 lappend where mn$j>=$mn1 mn$j>$mn2 mx$j<$mx1 mx$j<=$mx2
211 }
212 set where "WHERE [join [scramble $where] { AND }]"
213 do_test rtree-$nDim.2.$i.7 {
214 list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
215 } [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
216
217 # Do an overlaps query with surplus contraints where the
218 # constraints appear in a random order.
219 #
220 set where {}
221 for {set j 0} {$j<$nDim} {incr j} {
222 set mn1 [rand 10000]
223 set mn2 [expr {$mn1+[randincr 100]}]
224 set mx1 [expr {$mn2+[randincr 400]}]
225 set mx2 [expr {$mx1+[randincr 100]}]
226 lappend where mx$j>=$mn1 mx$j>$mn2 mn$j<$mx1 mn$j<=$mx2
227 }
228 set where "WHERE [join [scramble $where] { AND }]"
229 do_test rtree-$nDim.2.$i.8 {
230 list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
231 } [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
232 }
233
234 }
235
236 finish_test
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