1 files changed, 66 insertions, 0 deletions
diff --git a/test/fts3corrupt3.test b/test/fts3corrupt3.test
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+# 2010 October 27
+#
+#    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 $testdir/tester.tcl
+
+# If SQLITE_ENABLE_FTS3 is not defined, omit this file.
+ifcapable !fts3 { finish_test ; return }
+
+set ::testprefix fts3corrupt3
+
+#-------------------------------------------------------------------------
+# Test that fts3 does not choke on an oversized varint.
+#
+do_execsql_test 1.0 {
+  PRAGMA page_size = 512;
+  CREATE VIRTUAL TABLE t1 USING fts3;
+  BEGIN;
+    INSERT INTO t1 VALUES('one');
+    INSERT INTO t1 VALUES('one');
+    INSERT INTO t1 VALUES('one');
+  COMMIT;
+}
+do_execsql_test 1.1 {
+  SELECT quote(root) from t1_segdir;
+} {X'00036F6E6509010200010200010200'}
+sqlite3_db_config db DEFENSIVE 0
+do_execsql_test 1.2 {
+  UPDATE t1_segdir SET root = X'00036F6E650EFFFFFFFFFFFFFFFFFFFFFFFF0200';
+}
+do_catchsql_test 1.3 {
+  SELECT rowid FROM t1 WHERE t1 MATCH 'one'
+} {0 -1}
+
+#-------------------------------------------------------------------------
+# Interior node with the prefix or suffix count of an entry set to a
+# negative value.
+#
+set doc1 [string repeat "x " 600]
+set doc2 [string repeat "y " 600]
+set doc3 [string repeat "z " 600]
+
+do_execsql_test 2.0 {
+  CREATE VIRTUAL TABLE t2 USING fts3;
+  BEGIN;
+    INSERT INTO t2 VALUES($doc1);
+    INSERT INTO t2 VALUES($doc2);
+    INSERT INTO t2 VALUES($doc3);
+  COMMIT;
+}
+do_execsql_test 2.1 {
+  SELECT quote(root) from t2_segdir;
+} {X'0101017900017A'}
+
+
+
+finish_test