Import SQLite 3.7.6.3.

third_party/sqlite/src/test/pagerfault2.test

+# 2010 June 15
+#
+# 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.
+#
+#***********************************************************************
+#
+# The tests in this file test the pager modules response to various
+# fault conditions (OOM, IO error, disk full etc.). They are similar
+# to those in file pagerfault1.test. 
+#
+# More specifically, the tests in this file are those deemed too slow to 
+# run as part of pagerfault1.test.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+source $testdir/lock_common.tcl
+source $testdir/malloc_common.tcl
+
+if {[permutation] == "inmemory_journal"} {
+  finish_test
+  return
+}
+
+sqlite3_memdebug_vfs_oom_test 0
+
+set a_string_counter 1
+proc a_string {n} {
+  global a_string_counter
+  incr a_string_counter
+  string range [string repeat "${a_string_counter}." $n] 1 $n
+}
+db func a_string a_string
+
+do_test pagerfault2-1-pre1 {
+  faultsim_delete_and_reopen
+  db func a_string a_string
+  execsql {
+    PRAGMA auto_vacuum = 0;
+    PRAGMA journal_mode = DELETE;
+    PRAGMA page_size = 1024;
+    CREATE TABLE t1(a, b);
+    INSERT INTO t1 VALUES(a_string(401), a_string(402));
+  }
+  for {set ii 0} {$ii < 13} {incr ii} {
+    execsql { INSERT INTO t1 SELECT a_string(401), a_string(402) FROM t1 }
+  }
+  faultsim_save_and_close
+  file size test.db
+} [expr 1024 * 8268]
+
+do_faultsim_test pagerfault2-1 -faults oom-transient -prep {
+  faultsim_restore_and_reopen
+  sqlite3_db_config_lookaside db 0 256 4096
+  execsql { 
+    BEGIN;
+      SELECT * FROM t1;
+      INSERT INTO t1 VALUES(5, 6);
+      SAVEPOINT abc;
+        UPDATE t1 SET a = a||'x' WHERE rowid<3700;
+  }
+} -body {
+  execsql { UPDATE t1 SET a = a||'x' WHERE rowid>=3700 AND rowid<=4200 }
+  execsql { ROLLBACK TO abc }
+} -test {
+  faultsim_test_result {0 {}}
+}
+
+do_test pagerfault2-2-pre1 {
+  faultsim_restore_and_reopen
+  execsql { DELETE FROM t1 }
+  faultsim_save_and_close
+} {}
+
+do_faultsim_test pagerfault2-2 -faults oom-transient -prep {
+  faultsim_restore_and_reopen
+  sqlite3_db_config_lookaside db 0 256 4096
+  db func a_string a_string
+
+  execsql { 
+    PRAGMA cache_size = 20;
+    BEGIN;
+      INSERT INTO t1 VALUES(a_string(401), a_string(402));
+      SAVEPOINT abc;
+  }
+} -body {
+  execsql { INSERT INTO t1 VALUES (a_string(2000000), a_string(2500000)) }
+} -test {
+  faultsim_test_result {0 {}}
+}
+
+sqlite3_memdebug_vfs_oom_test 1
+finish_test
+