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Overview
Comment: | Tidy up malloc.test a bit. (CVS 2207) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
94cf91cc5dc0d656636211d23350a1ec |
User & Date: | danielk1977 2005-01-13 13:35:58.000 |
Context
2005-01-13
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23:54 | Fix a bug in lemon that does not effect SQLite. Ticket #1068. (CVS 2208) (check-in: 7113b5ed8d user: drh tags: trunk) | |
13:35 | Tidy up malloc.test a bit. (CVS 2207) (check-in: 94cf91cc5d user: danielk1977 tags: trunk) | |
11:10 | Fix typo in shell .help. Ticket #1071. (CVS 2206) (check-in: 2c7a1a1698 user: danielk1977 tags: trunk) | |
Changes
Changes to test/malloc.test.
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10 11 12 13 14 15 16 | #*********************************************************************** # This file attempts to check the library in an out-of-memory situation. # When compiled with -DSQLITE_DEBUG=1, the SQLite library accepts a special # command (sqlite_malloc_fail N) which causes the N-th malloc to fail. This # special feature is used to see what happens in the library if a malloc # were to really fail due to an out-of-memory situation. # | | | 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | #*********************************************************************** # This file attempts to check the library in an out-of-memory situation. # When compiled with -DSQLITE_DEBUG=1, the SQLite library accepts a special # command (sqlite_malloc_fail N) which causes the N-th malloc to fail. This # special feature is used to see what happens in the library if a malloc # were to really fail due to an out-of-memory situation. # # $Id: malloc.test,v 1.20 2005/01/13 13:35:58 danielk1977 Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Only run these tests if memory debugging is turned on. # if {[info command sqlite_malloc_stat]==""} { |
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32 33 34 35 36 37 38 39 40 41 42 43 44 45 | # The first argument, <test number>, is an integer used to name the # tests executed by this proc. Options are as follows: # # -tclprep TCL script to run to prepare test. # -sqlprep SQL script to run to prepare test. # -tclbody TCL script to run with malloc failure simulation. # -sqlbody TCL script to run with malloc failure simulation. # # This command runs a series of tests to verify SQLite's ability # to handle an out-of-memory condition gracefully. It is assumed # that if this condition occurs a malloc() call will return a # NULL pointer. Linux, for example, doesn't do that by default. See # the "BUGS" section of malloc(3). # | > | 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | # The first argument, <test number>, is an integer used to name the # tests executed by this proc. Options are as follows: # # -tclprep TCL script to run to prepare test. # -sqlprep SQL script to run to prepare test. # -tclbody TCL script to run with malloc failure simulation. # -sqlbody TCL script to run with malloc failure simulation. # -cleanup TCL script to run after the test. # # This command runs a series of tests to verify SQLite's ability # to handle an out-of-memory condition gracefully. It is assumed # that if this condition occurs a malloc() call will return a # NULL pointer. Linux, for example, doesn't do that by default. See # the "BUGS" section of malloc(3). # |
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91 92 93 94 95 96 97 | set v {1 1} } else { set v2 [expr {$msg=="" || $msg=="out of memory"}] if {!$v2} {puts "\nError message returned: $msg"} lappend v $v2 } } {1 1} | | > > > > < < | | < < | | | < > | < | | | | | | | | | | | < | < < < < < < < < < < < < < < < < < < < < | < < < < < < < < < | | | | | | | | | | | | | | | | | < | < < < < < < < < < < < < < < | < < < < < < < < < | | | | | | | | | | | | | | < | < < < < < < < < < | < < < < | < < < < < < < < < | | | | | | | | | | | | | | | < | < < < < < < < < < < < < < < | < < < < < < < < < | | | | | | | | < | < < < < < < < < < < < < < < | < < < < < | | | | | | | | | | | | | | | < | < | < < < < < < < < < < | < | < < < | < < < < < | | | | | < | < | | | < < < < < < < < < < | < < | < | < < < < < | | | < | | | | | | | < < | | | | | | < < | | | | < | > | | | 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 | set v {1 1} } else { set v2 [expr {$msg=="" || $msg=="out of memory"}] if {!$v2} {puts "\nError message returned: $msg"} lappend v $v2 } } {1 1} if {[info exists ::mallocopts(-cleanup)]} { catch $::mallocopts(-cleanup) } } unset ::mallocopts } do_malloc_test 1 -tclprep { db close } -tclbody { if {[catch {sqlite3 db test.db}]} { error "out of memory" } } -sqlbody { CREATE TABLE t1( a int, b float, c double, d text, e varchar(20), primary key(a,b,c) ); CREATE INDEX i1 ON t1(a,b); INSERT INTO t1 VALUES(1,2.3,4.5,'hi','there'); INSERT INTO t1 VALUES(6,7.0,0.8,'hello','out yonder'); SELECT * FROM t1; SELECT avg(b) FROM t1 GROUP BY a HAVING b>20.0; DELETE FROM t1 WHERE a IN (SELECT min(a) FROM t1); SELECT count(*) FROM t1; } # Ensure that no file descriptors were leaked. do_test malloc-1.X { catch {db close} set sqlite_open_file_count } {0} do_malloc_test 2 -sqlbody { CREATE TABLE t1(a int, b int, c int); CREATE INDEX i1 ON t1(a,b); INSERT INTO t1 VALUES(1,1,'99 abcdefghijklmnopqrstuvwxyz'); INSERT INTO t1 VALUES(2,4,'98 abcdefghijklmnopqrstuvwxyz'); INSERT INTO t1 VALUES(3,9,'97 abcdefghijklmnopqrstuvwxyz'); INSERT INTO t1 VALUES(4,16,'96 abcdefghijklmnopqrstuvwxyz'); INSERT INTO t1 VALUES(5,25,'95 abcdefghijklmnopqrstuvwxyz'); INSERT INTO t1 VALUES(6,36,'94 abcdefghijklmnopqrstuvwxyz'); SELECT 'stuff', count(*) as 'other stuff', max(a+10) FROM t1; UPDATE t1 SET b=b||b||b||b; UPDATE t1 SET b=a WHERE a in (10,12,22); INSERT INTO t1(c,b,a) VALUES(20,10,5); INSERT INTO t1 SELECT * FROM t1 WHERE a IN (SELECT a FROM t1 WHERE a<10); DELETE FROM t1 WHERE a>=10; DROP INDEX i1; DELETE FROM t1; } # Ensure that no file descriptors were leaked. do_test malloc-2.X { catch {db close} set sqlite_open_file_count } {0} do_malloc_test 3 -sqlbody { BEGIN TRANSACTION; CREATE TABLE t1(a int, b int, c int); CREATE INDEX i1 ON t1(a,b); INSERT INTO t1 VALUES(1,1,99); INSERT INTO t1 VALUES(2,4,98); INSERT INTO t1 VALUES(3,9,97); INSERT INTO t1 VALUES(4,16,96); INSERT INTO t1 VALUES(5,25,95); INSERT INTO t1 VALUES(6,36,94); INSERT INTO t1(c,b,a) VALUES(20,10,5); DELETE FROM t1 WHERE a>=10; DROP INDEX i1; DELETE FROM t1; ROLLBACK; } # Ensure that no file descriptors were leaked. do_test malloc-3.X { catch {db close} set sqlite_open_file_count } {0} do_malloc_test 4 -sqlbody { BEGIN TRANSACTION; CREATE TABLE t1(a int, b int, c int); CREATE INDEX i1 ON t1(a,b); INSERT INTO t1 VALUES(1,1,99); INSERT INTO t1 VALUES(2,4,98); INSERT INTO t1 VALUES(3,9,97); INSERT INTO t1 VALUES(4,16,96); INSERT INTO t1 VALUES(5,25,95); INSERT INTO t1 VALUES(6,36,94); UPDATE t1 SET b=a WHERE a in (10,12,22); INSERT INTO t1 SELECT * FROM t1 WHERE a IN (SELECT a FROM t1 WHERE a<10); DROP INDEX i1; DELETE FROM t1; COMMIT; } # Ensure that no file descriptors were leaked. do_test malloc-4.X { catch {db close} set sqlite_open_file_count } {0} do_malloc_test 5 -sqlbody { BEGIN TRANSACTION; CREATE TABLE t1(a,b); CREATE TABLE t2(x,y); CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN INSERT INTO t2(x,y) VALUES(new.rowid,1); END; INSERT INTO t1(a,b) VALUES(2,3); COMMIT; } # Ensure that no file descriptors were leaked. do_test malloc-5.X { catch {db close} set sqlite_open_file_count } {0} do_malloc_test 6 -sqlprep { BEGIN TRANSACTION; CREATE TABLE t1(a); INSERT INTO t1 VALUES(1); INSERT INTO t1 SELECT a*2 FROM t1; INSERT INTO t1 SELECT a*2 FROM t1; INSERT INTO t1 SELECT a*2 FROM t1; INSERT INTO t1 SELECT a*2 FROM t1; INSERT INTO t1 SELECT a*2 FROM t1; INSERT INTO t1 SELECT a*2 FROM t1; INSERT INTO t1 SELECT a*2 FROM t1; INSERT INTO t1 SELECT a*2 FROM t1; INSERT INTO t1 SELECT a*2 FROM t1; INSERT INTO t1 SELECT a*2 FROM t1; DELETE FROM t1 where rowid%5 = 0; COMMIT; } -sqlbody { VACUUM; } do_malloc_test 7 -sqlprep { CREATE TABLE t1(a, b); INSERT INTO t1 VALUES(1, 2); INSERT INTO t1 VALUES(3, 4); INSERT INTO t1 VALUES(5, 6); INSERT INTO t1 VALUES(7, randstr(1200,1200)); } -sqlbody { SELECT min(a) FROM t1 WHERE a<6 GROUP BY b; SELECT a FROM t1 WHERE a<6 ORDER BY a; SELECT b FROM t1 WHERE a>6; } # This block is designed to test that some malloc failures that may # occur in vdbeapi.c. Specifically, if a malloc failure that occurs # when converting UTF-16 text to integers and real numbers is handled # correctly. # # This is done by retrieving a string from the database engine and # manipulating it using the sqlite3_column_*** APIs. This doesn't # actually return an error to the user when a malloc() fails.. That # could be viewed as a bug. # # These tests only run if UTF-16 support is compiled in. # if {$::sqlite_options(utf16)} { do_malloc_test 8 -tclprep { set sql "SELECT '[string repeat abc 20]', '[string repeat def 20]', ?" set ::STMT [sqlite3_prepare $::DB $sql -1 X] sqlite3_step $::STMT if { $::tcl_platform(byteOrder)=="littleEndian" } { set ::bomstr "\xFF\xFE" } else { set ::bomstr "\xFE\xFF" } append ::bomstr [encoding convertto unicode "123456789_123456789_12345678"] } -tclbody { sqlite3_column_text16 $::STMT 0 sqlite3_column_int $::STMT 0 sqlite3_column_text16 $::STMT 1 sqlite3_column_double $::STMT 1 sqlite3_reset $::STMT sqlite3_bind_text16 $::STMT 1 $::bomstr 60 catch {sqlite3_finalize $::STMT} if {[lindex [sqlite_malloc_stat] 2]<=0} { error "out of memory" } } -cleanup { sqlite3_finalize $::STMT } } # This block tests that malloc() failures that occur whilst commiting # a multi-file transaction are handled correctly. # do_malloc_test 9 -sqlprep { ATTACH 'test2.db' as test2; CREATE TABLE abc1(a, b, c); |
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