Imported Upstream version 2.0.3

1 files changed, 60 insertions, 0 deletions

diff --git a/test/tkt3918.test b/test/tkt3918.test
new file mode 100644
index 0000000..c46ad8f
--- /dev/null
+++ b/test/tkt3918.test
@@ -0,0 +1,60 @@
+# 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
+