Annotation of embedaddon/sqlite3/test/memsubsys1.test, revision 1.1
1.1 ! misho 1: # 2008 June 18
! 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: # This file contains tests of the memory allocation subsystem
! 13: #
! 14:
! 15: set testdir [file dirname $argv0]
! 16: source $testdir/tester.tcl
! 17: sqlite3_reset_auto_extension
! 18:
! 19: # This test assumes that no page-cache or scratch buffers are installed
! 20: # by default when a new database connection is opened. As a result, it
! 21: # will not work with the "memsubsys1" permutation.
! 22: #
! 23: if {[permutation] == "memsubsys1"} {
! 24: finish_test
! 25: return
! 26: }
! 27:
! 28: # This procedure constructs a new database in test.db. It fills
! 29: # this database with many small records (enough to force multiple
! 30: # rebalance operations in the btree-layer and to require a large
! 31: # page cache), verifies correct results, then returns.
! 32: #
! 33: proc build_test_db {testname pragmas} {
! 34: catch {db close}
! 35: forcedelete test.db test.db-journal
! 36: sqlite3 db test.db
! 37: sqlite3_db_config_lookaside db 0 0 0
! 38: db eval $pragmas
! 39: db eval {
! 40: CREATE TABLE t1(x, y);
! 41: CREATE TABLE t2(a, b);
! 42: CREATE INDEX i1 ON t1(x,y);
! 43: INSERT INTO t1 VALUES(1, 100);
! 44: INSERT INTO t1 VALUES(2, 200);
! 45: }
! 46: for {set i 2} {$i<5000} {incr i $i} {
! 47: db eval {INSERT INTO t2 SELECT * FROM t1}
! 48: db eval {INSERT INTO t1 SELECT a+$i, a+b*100 FROM t2}
! 49: db eval {DELETE FROM t2}
! 50: }
! 51: do_test $testname.1 {
! 52: db eval {SELECT count(*) FROM t1}
! 53: } 8192
! 54: integrity_check $testname.2
! 55: }
! 56:
! 57: # Reset all of the highwater marks.
! 58: #
! 59: proc reset_highwater_marks {} {
! 60: sqlite3_status SQLITE_STATUS_MEMORY_USED 1
! 61: sqlite3_status SQLITE_STATUS_MALLOC_SIZE 1
! 62: sqlite3_status SQLITE_STATUS_PAGECACHE_USED 1
! 63: sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 1
! 64: sqlite3_status SQLITE_STATUS_PAGECACHE_SIZE 1
! 65: sqlite3_status SQLITE_STATUS_SCRATCH_USED 1
! 66: sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 1
! 67: sqlite3_status SQLITE_STATUS_SCRATCH_SIZE 1
! 68: sqlite3_status SQLITE_STATUS_PARSER_STACK 1
! 69: }
! 70:
! 71: set xtra_size 290
! 72:
! 73: # Test 1: Both PAGECACHE and SCRATCH are shut down.
! 74: #
! 75: db close
! 76: sqlite3_shutdown
! 77: sqlite3_config_lookaside 0 0
! 78: sqlite3_initialize
! 79: reset_highwater_marks
! 80: build_test_db memsubsys1-1 {PRAGMA page_size=1024}
! 81: do_test memsubsys1-1.3 {
! 82: set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
! 83: } 0
! 84: do_test memsubsys1-1.4 {
! 85: set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
! 86: } 0
! 87: set max_pagecache [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
! 88: #show_memstats
! 89:
! 90: # Test 2: Activate PAGECACHE with 20 pages
! 91: #
! 92: db close
! 93: sqlite3_shutdown
! 94: sqlite3_config_pagecache [expr 1024+$xtra_size] 20
! 95: sqlite3_initialize
! 96: reset_highwater_marks
! 97: build_test_db memsubsys1-2 {PRAGMA page_size=1024}
! 98: #show_memstats
! 99: set MEMORY_MANAGEMENT $sqlite_options(memorymanage)
! 100: ifcapable !malloc_usable_size {
! 101: do_test memsubsys1-2.3 {
! 102: set pg_ovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
! 103: } [expr ($TEMP_STORE>1 || $MEMORY_MANAGEMENT==0)*1024]
! 104: }
! 105: do_test memsubsys1-2.4 {
! 106: set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
! 107: } 20
! 108: do_test memsubsys1-2.5 {
! 109: set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
! 110: } 0
! 111:
! 112: # Test 3: Activate PAGECACHE with 20 pages but use the wrong page size
! 113: # so that PAGECACHE is not used.
! 114: #
! 115: db close
! 116: sqlite3_shutdown
! 117: sqlite3_config_pagecache [expr 512+$xtra_size] 20
! 118: sqlite3_initialize
! 119: reset_highwater_marks
! 120: build_test_db memsubsys1-3.1 {PRAGMA page_size=1024}
! 121: #show_memstats
! 122: do_test memsubsys1-3.1.3 {
! 123: set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
! 124: } 0
! 125: do_test memsubsys1-3.1.4 {
! 126: set overflow [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
! 127: } $max_pagecache
! 128: do_test memsubsys1-3.1.5 {
! 129: set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
! 130: } 0
! 131: db close
! 132: sqlite3_shutdown
! 133: sqlite3_config_pagecache [expr 2048+$xtra_size] 20
! 134: sqlite3_initialize
! 135: reset_highwater_marks
! 136: build_test_db memsubsys1-3.2 {PRAGMA page_size=2048}
! 137: #show_memstats
! 138: do_test memsubsys1-3.2.3 {
! 139: db eval {PRAGMA page_size}
! 140: } 2048
! 141: do_test memsubsys1-3.2.4 {
! 142: set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
! 143: } 20
! 144: do_test memsubsys1-3.2.5 {
! 145: set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
! 146: } 0
! 147:
! 148: # Test 4: Activate both PAGECACHE and SCRATCH.
! 149: #
! 150: db close
! 151: sqlite3_shutdown
! 152: sqlite3_config_pagecache [expr 1024+$xtra_size] 50
! 153: sqlite3_config_scratch 6000 2
! 154: sqlite3_initialize
! 155: reset_highwater_marks
! 156: build_test_db memsubsys1-4 {PRAGMA page_size=1024}
! 157: #show_memstats
! 158: do_test memsubsys1-4.3 {
! 159: set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
! 160: expr {$pg_used>=45 && $pg_used<=50}
! 161: } 1
! 162: do_test memsubsys1-4.4 {
! 163: set pg_ovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
! 164: } 0
! 165: do_test memsubsys1-4.5 {
! 166: set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
! 167: expr {$maxreq<7000}
! 168: } 1
! 169: do_test memsubsys1-4.6 {
! 170: set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
! 171: } 1
! 172:
! 173: # Test 5: Activate both PAGECACHE and SCRATCH. But make the page size
! 174: # such that the SCRATCH allocations are too small.
! 175: #
! 176: db close
! 177: sqlite3_shutdown
! 178: sqlite3_config_pagecache [expr 4096+$xtra_size] 24
! 179: sqlite3_config_scratch 6000 2
! 180: sqlite3_initialize
! 181: reset_highwater_marks
! 182: build_test_db memsubsys1-5 {PRAGMA page_size=4096}
! 183: #show_memstats
! 184: do_test memsubsys1-5.3 {
! 185: set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
! 186: } 24
! 187: do_test memsubsys1-5.4 {
! 188: set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
! 189: expr {$maxreq>4096}
! 190: } 1
! 191: do_test memsubsys1-5.5 {
! 192: set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
! 193: } 0
! 194: do_test memsubsys1-5.6 {
! 195: set s_ovfl [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0] 2]
! 196: expr {$s_ovfl>6000}
! 197: } 1
! 198:
! 199: # Test 6: Activate both PAGECACHE and SCRATCH with a 4k page size.
! 200: # Make it so that SCRATCH is large enough
! 201: #
! 202: db close
! 203: sqlite3_shutdown
! 204: sqlite3_config_pagecache [expr 4096+$xtra_size] 24
! 205: sqlite3_config_scratch 25300 1
! 206: sqlite3_initialize
! 207: reset_highwater_marks
! 208: build_test_db memsubsys1-6 {PRAGMA page_size=4096}
! 209: #show_memstats
! 210: do_test memsubsys1-6.3 {
! 211: set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
! 212: } 24
! 213: #do_test memsubsys1-6.4 {
! 214: # set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
! 215: # expr {$maxreq>4096 && $maxreq<=(4096+$xtra_size)}
! 216: #} 1
! 217: do_test memsubsys1-6.5 {
! 218: set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
! 219: } 1
! 220: do_test memsubsys1-6.6 {
! 221: set s_ovfl [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0] 2]
! 222: } 0
! 223:
! 224: # Test 7: Activate both PAGECACHE and SCRATCH with a 4k page size.
! 225: # Set cache_size small so that no PAGECACHE overflow occurs. Verify
! 226: # that maximum allocation size is small.
! 227: #
! 228: db close
! 229: sqlite3_shutdown
! 230: sqlite3_config_pagecache [expr 4096+$xtra_size] 24
! 231: sqlite3_config_scratch 25300 1
! 232: sqlite3_initialize
! 233: reset_highwater_marks
! 234: build_test_db memsubsys1-7 {
! 235: PRAGMA page_size=4096;
! 236: PRAGMA cache_size=10;
! 237: PRAGMA temp_store=memory;
! 238: }
! 239: #show_memstats
! 240: do_test memsubsys1-7.3 {
! 241: set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
! 242: expr {$pg_used<24}
! 243: } 1
! 244: do_test memsubsys1-7.4 {
! 245: set pg_ovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
! 246: } 0
! 247: do_test memsubsys1-7.5 {
! 248: set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
! 249: expr {$maxreq<4100}
! 250: } 1
! 251: do_test memsubsys1-7.6 {
! 252: set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
! 253: } 1
! 254: do_test memsubsys1-7.7 {
! 255: set s_ovfl [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0] 2]
! 256: } 0
! 257:
! 258: # Test 8: Disable PAGECACHE. Make available SCRATCH zero. Verify that
! 259: # the SCRATCH overflow logic works.
! 260: #
! 261: db close
! 262: sqlite3_shutdown
! 263: sqlite3_config_pagecache 0 0
! 264: sqlite3_config_scratch 25000 0
! 265: sqlite3_initialize
! 266: reset_highwater_marks
! 267: do_test memsubsys1-8.1 {
! 268: set pg_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
! 269: } 0
! 270: do_test memsubsys1-8.2 {
! 271: set s_ovfl [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0] 2]
! 272: } 0
! 273: do_test memsubsys1-8.3 {
! 274: sqlite3 db :memory:
! 275: db eval {
! 276: CREATE TABLE t1(x);
! 277: INSERT INTO t1 VALUES(zeroblob(400));
! 278: INSERT INTO t1 VALUES(zeroblob(400));
! 279: INSERT INTO t1 SELECT * FROM t1;
! 280: INSERT INTO t1 SELECT * FROM t1;
! 281: INSERT INTO t1 SELECT * FROM t1;
! 282: }
! 283: expr {[lindex [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0] 2]>0}
! 284: } 1
! 285: db close
! 286: sqlite3_shutdown
! 287: sqlite3_config_memstatus 0
! 288: sqlite3_initialize
! 289: do_test memsubsys1-8.4 {
! 290: sqlite3 db :memory:
! 291: db eval {
! 292: CREATE TABLE t1(x);
! 293: INSERT INTO t1 VALUES(zeroblob(400));
! 294: INSERT INTO t1 VALUES(zeroblob(400));
! 295: INSERT INTO t1 SELECT * FROM t1;
! 296: INSERT INTO t1 SELECT * FROM t1;
! 297: INSERT INTO t1 SELECT * FROM t1;
! 298: SELECT rowid FROM t1;
! 299: }
! 300: } {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16}
! 301:
! 302:
! 303: db close
! 304: sqlite3_shutdown
! 305: sqlite3_config_memstatus 1
! 306: sqlite3_config_pagecache 0 0
! 307: sqlite3_config_scratch 0 0
! 308: sqlite3_config_lookaside 100 500
! 309: sqlite3_initialize
! 310: autoinstall_test_functions
! 311: finish_test
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