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third_party/sqlite/src/test/fts3corrupt2.test

Index: third_party/sqlite/src/test/fts3corrupt2.test
diff --git a/third_party/sqlite/src/test/fts3corrupt2.test b/third_party/sqlite/src/test/fts3corrupt2.test
new file mode 100644
index 0000000000000000000000000000000000000000..78c76778f5c8bf3c1d923e6d336348014bd0f280
--- /dev/null
+++ b/third_party/sqlite/src/test/fts3corrupt2.test
@@ -0,0 +1,110 @@
+# 2010 October 30
+#
+#    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.
+#
+#***********************************************************************
+# Test that the FTS3 extension does not crash when it encounters a
+# corrupt data structure on disk.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# If SQLITE_ENABLE_FTS3 is not defined, omit this file.
+ifcapable !fts3 { finish_test ; return }
+
+set ::testprefix fts3corrupt2
+
+set data [list]
+lappend data {*}{
+   "amxtvoo adqwroyhz auq aithtir avniqnuynvf axp ahibayfynig agbicpm"
+   "ajdtebs anteaxr aieynenwmd awpl alo akxcrwow aoxftge aoqvgul"
+   "amcfvdr auz apu aebelm ahuxyz aqc asyafdb agulvhvqu"
+   "apepwfyz azkhdvkw aenyelxzbk aslnitbyet aycdsdcpgr aqzzdbc agfi axnypydou"
+   "aaqrzzcm apcxdxo atumltzj aevvivo aodknoft aqoyytoz alobx apldt"
+   "adjllxlhnmj aiuhvuj adwppceuht atvj azrsam ahkjqdhny audlqxr aotgcd"
+   "aira azflsceos awj auzbobfkc awmezplr aeh awec ahndxlmv"
+   "aydwnied alk auoap agihyqeix aymqxzajnl aydwnied aojkarx agbo"
+   "ahajsmcl anvx amdhjm aoptsj agugzjjm apkevm acnj acjg"
+   "amwtkw aogttbykvt aubwrfqnbjf ajow agsj aerkqzjdqst anenlvbalkn arfajzzgckx"
+   "adqqqofkmz amjpavjuhw aqgehgnb awvvxlbtqzn agstqko akmkzehyh atagzey agwja"
+   "amag ahe autkllywhr avnk atmt akn anvdh aixfrv"
+   "aqdyerbws avefykly awl azaduojgzo anxfsmw axpt abgbvk ati"
+   "attyqkwz aiweypiczul afy asitaqbczhh aitxisizpv auhviq aibql ajfqc"
+   "aylzprtmta aiuemihqrpi awluvgsw ampbuy axlifpzfqr aems aoaxwads apianfn"
+   "aodrkijelq acdb aaserrdxm aqyasgofqu aevvivo afi apmwu aeoqysl"
+   "amqnk ankaotm ayfy ajcupeeoc advcbukan aucahlwnyk adbfyo azqjpeant"
+   "afczpp asqrs ahslvda akhlf aiqgdp atyd aznuglxqbrg awirndrh"
+   "aqhiajp amxeazb asxuehg akod axvolvsp agcz asmovmohy acmqa"
+   "avvomv aafms ashuaec arevx audtq alrwqhjvao avgsgpg ajbrctpsel"
+   "atxoirr ayopboobqdu ajunntua arh aernimxid aipljda aglo aefk"
+   "aonxf acmnnkna abgviaswe aulvcbv axp apemgakpzo aibql acioaid"
+   "axo alrwqhjvao ayqounftdzl azmoakdyh apajze ajk artvy apxiamy"
+   "ayjafsraz addjj agsj asejtziqws acatvhegu aoxdjqblsvv aekdmmbs aaobe"
+   "abjjvzubkwt alczv ati awz auyxgcxeb aymjoym anqoukprtyt atwfhpmbooh"
+   "ajfqz aethlgir aclcx aowlyvetby aproqm afjlqtkv anebfy akzrcpfrrvw"
+   "aoledfotm aiwlfm aeejlaej anz abgbvk aktfn aayoh anpywgdvgz"
+   "acvmldguld asdvz aqb aeomsyzyu aggylhprbdz asrfkwz auipybpsn agsnszzfb"
+}
+
+do_test fts3corrupt2-1.0 {
+  execsql BEGIN
+  execsql { CREATE VIRTUAL TABLE t2 USING FTS3(a, b); }
+  execsql { INSERT INTO t2(t2) VALUES('nodesize=32') }
+  foreach d $data {
+    execsql { INSERT INTO t2 VALUES($d, $d) }
+  }
+  execsql COMMIT
+  execsql { SELECT count(*) FROM t2_segments }
+} {163}
+
+proc set_byte {blob byte val} {
+  binary format a*ca*                         \
+      [string range $blob 0 [expr $byte-1]]   \
+      $val                                    \
+      [string range $blob [expr $byte+1] end] \
+}
+
+set tn 0
+set c 256
+foreach {rowid sz blob} [
+  db eval {SELECT rowid, length(block), block FROM t2_segments}
+] {
+  incr tn
+  set c [expr (($c+255)%256)]
+  for {set i 0} {$i < $sz} {incr i} {
+    set b2 [set_byte $blob $i $c]
+    execsql { UPDATE t2_segments SET block = $b2 WHERE rowid = $rowid }
+    do_test fts3corrupt2-1.$tn.$i {
+      catchsql { SELECT * FROM t2 WHERE t2 MATCH 'a*' }
+      set {} {}
+    } {}
+  }
+  execsql { UPDATE t2_segments SET block = $blob WHERE rowid = $rowid }
+}
+
+foreach c {50 100 150 200 250} {
+  foreach {rowid sz blob} [
+    db eval {SELECT rowid, length(root), root FROM t2_segdir}
+  ] {
+    incr tn
+    for {set i 0} {$i < $sz} {incr i} {
+      set b2 [set_byte $blob $i $c]
+      execsql { UPDATE t2_segdir SET root = $b2 WHERE rowid = $rowid }
+      do_test fts3corrupt2-2.$c.$tn.$i {
+        catchsql { SELECT * FROM t2 WHERE t2 MATCH 'a*' }
+        set {} {}
+      } {}
+    }
+    execsql { UPDATE t2_segdir SET root = $blob WHERE rowid = $rowid }
+  }
+}
+
+
+
+
+
+
+finish_test