summaryrefslogtreecommitdiffstats
path: root/test/ioerr4.test
diff options
context:
space:
mode:
Diffstat (limited to 'test/ioerr4.test')
-rw-r--r--test/ioerr4.test100
1 files changed, 100 insertions, 0 deletions
diff --git a/test/ioerr4.test b/test/ioerr4.test
new file mode 100644
index 0000000..defa326
--- /dev/null
+++ b/test/ioerr4.test
@@ -0,0 +1,100 @@
+# 2007 December 19
+#
+# 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.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library. The
+# focus of this file is testing for correct handling of I/O errors
+# during incremental vacuum with a shared cache.
+#
+# $Id: ioerr4.test,v 1.2 2008/05/08 01:11:42 drh Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# This test requires both shared cache and incremental vacuum.
+#
+ifcapable {!shared_cache || !autovacuum} {
+ finish_test
+ return
+}
+
+# Enable shared cache mode and incremental vacuum.
+#
+do_test ioerr4-1.1 {
+ db close
+ set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
+} {0}
+do_test ioerr4-1.2 {
+ forcedelete test.db test.db-journal
+ sqlite3 db test.db
+ sqlite3 db2 test.db
+ db eval {
+ PRAGMA auto_vacuum=INCREMENTAL;
+ CREATE TABLE a(i INTEGER, b BLOB);
+ }
+ db2 eval {
+ SELECT name FROM sqlite_master
+ }
+} {a}
+do_test ioerr4-1.3 {
+ db eval {
+ PRAGMA auto_vacuum;
+ }
+} {2}
+
+# Insert and delete many records in order to put lots of pages
+# on the freelist.
+#
+do_test ioerr4-1.4 {
+ db eval {
+ INSERT INTO a VALUES(1, zeroblob(2000));
+ INSERT INTO a VALUES(2, zeroblob(2000));
+ INSERT INTO a SELECT i+2, zeroblob(2000) FROM a;
+ INSERT INTO a SELECT i+4, zeroblob(2000) FROM a;
+ INSERT INTO a SELECT i+8, zeroblob(2000) FROM a;
+ INSERT INTO a SELECT i+16, zeroblob(2000) FROM a;
+ SELECT count(*) FROM a;
+ }
+} {32}
+do_test ioerr4-1.5 {
+ db eval {
+ PRAGMA freelist_count
+ }
+} {0}
+do_test ioerr4-1.6 {
+ db eval {
+ DELETE FROM a;
+ PRAGMA freelist_count;
+ }
+} {64}
+
+# Set up for an I/O error on incremental vacuum
+# with two connections on shared cache.
+#
+db close
+db2 close
+forcecopy test.db test.db-bu
+do_ioerr_test ioerr4-2 -tclprep {
+ catch {db2 close}
+ db close
+ forcedelete test.db test.db-journal
+ forcecopy test.db-bu test.db
+ sqlite3_enable_shared_cache 1
+ set ::DB [sqlite3 db test.db; sqlite3_connection_pointer db]
+ db eval {PRAGMA auto_vacuum=INCREMENTAL}
+ sqlite3 db2 test.db
+} -tclbody {
+ db eval {PRAGMA incremental_vacuum(5)}
+}
+
+db2 close
+forcedelete test.db-bu
+sqlite3_enable_shared_cache $::enable_shared_cache
+
+finish_test