summaryrefslogtreecommitdiffstats
path: root/test/tkt3918.test
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:28:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:28:19 +0000
commit18657a960e125336f704ea058e25c27bd3900dcb (patch)
tree17b438b680ed45a996d7b59951e6aa34023783f2 /test/tkt3918.test
parentInitial commit. (diff)
downloadsqlite3-18657a960e125336f704ea058e25c27bd3900dcb.tar.xz
sqlite3-18657a960e125336f704ea058e25c27bd3900dcb.zip
Adding upstream version 3.40.1.upstream/3.40.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/tkt3918.test')
-rw-r--r--test/tkt3918.test59
1 files changed, 59 insertions, 0 deletions
diff --git a/test/tkt3918.test b/test/tkt3918.test
new file mode 100644
index 0000000..e20ee15
--- /dev/null
+++ b/test/tkt3918.test
@@ -0,0 +1,59 @@
+# 2009 June 17
+#
+# 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.
+#
+#***********************************************************************
+#
+# $Id: tkt3918.test,v 1.1 2009/06/17 11:13:28 danielk1977 Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_test tkt3918.1 {
+ execsql {
+ PRAGMA page_size = 1024;
+ PRAGMA auto_vacuum = incremental;
+ CREATE TABLE t1(i, x);
+ }
+} {}
+do_test tkt3918.2 {
+ execsql {
+ INSERT INTO t1 VALUES(1, randstr(1000,1000));
+ INSERT INTO t1 VALUES(2, zeroblob(248*1020 + 100));
+ INSERT INTO t1 VALUES(3, zeroblob(2*1020 + 100));
+ }
+} {}
+
+# This set of statements sets up the free list so that the
+# first free-list trunk page contains only a single leaf.
+# The leaf page is also the last page in the database. The
+# second free-list trunk page contains, amongst other things,
+# page number 4.
+do_test tkt3918.3 {
+ execsql {
+ DELETE FROM t1 WHERE i = 2;
+ DELETE FROM t1 WHERE i = 1;
+ DELETE FROM t1 WHERE i = 3;
+ }
+} {}
+
+# Incrementally vacuum the database to reduce its size by a single
+# page. This will remove the single leaf from the first page in
+# the linked list of free-list trunk pages.
+do_test tkt3918.4 {
+ execsql { PRAGMA incremental_vacuum = 1 }
+} {}
+
+# Create another table. This operation will attempt to extract
+# page 4 from the database free-list. Bug 3918 caused sqlite to
+# incorrectly report corruption here.
+do_test tkt3918.5 {
+ execsql { CREATE TABLE t2(a, b) }
+} {}
+
+finish_test