1 files changed, 126 insertions, 0 deletions
diff --git a/test/incrcorrupt.test b/test/incrcorrupt.test
new file mode 100644
index 0000000..2ea68c8
--- /dev/null
+++ b/test/incrcorrupt.test
@@ -0,0 +1,126 @@
+# 2001 October 12
+#
+# 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.
+#
+#***********************************************************************
+# Test that "PRAGMA incremental_vacuum" detects and reports database
+# corruption properly. And that "PRAGMA auto_vacuum = INCREMENTAL"
+# does as well.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix incrcorrupt
+
+# If this build of the library does not support auto-vacuum, omit this
+# whole file.
+ifcapable {!autovacuum} {
+  finish_test
+  return
+}
+
+do_execsql_test 1.0 {
+  PRAGMA auto_vacuum = 2;
+  CREATE TABLE t1(a PRIMARY KEY, b);
+
+  WITH data(i) AS (
+    SELECT 1 UNION ALL SELECT i+1 FROM data
+  )
+  INSERT INTO t1 SELECT i, randomblob(600) FROM data LIMIT 20;
+  PRAGMA page_count;
+} {24}
+
+do_execsql_test 1.1 {
+  PRAGMA incremental_vacuum;
+} {}
+
+do_test 1.2 {
+  db_save
+  hexio_write test.db 36 00000019
+  catchsql { PRAGMA incremental_vacuum; }
+} {1 {database disk image is malformed}}
+
+do_test 1.3 {
+  set stmt [sqlite3_prepare_v2 db "PRAGMA incremental_vacuum" -1 dummy]
+  sqlite3_step $stmt
+} {SQLITE_CORRUPT}
+do_test 1.4 { sqlite3_errcode db } {SQLITE_CORRUPT}
+do_test 1.5 { sqlite3_errmsg db } {database disk image is malformed}
+do_test 1.6 { sqlite3_finalize $stmt } {SQLITE_CORRUPT}
+do_test 1.7 { sqlite3_errcode db } {SQLITE_CORRUPT}
+do_test 1.8 { sqlite3_errmsg db } {database disk image is malformed}
+
+do_test 1.9 {
+  set stmt [sqlite3_prepare_v2 db "PRAGMA incremental_vacuum" -1 dummy]
+  sqlite3_step $stmt
+} {SQLITE_CORRUPT}
+do_test 1.10 { sqlite3_errcode db } {SQLITE_CORRUPT}
+do_test 1.11 { sqlite3_errmsg db } {database disk image is malformed}
+
+do_test 1.12 {
+  set stmt2 [sqlite3_prepare_v2 db "SELECT 1" -1 dummy]
+  sqlite3_finalize $stmt2
+} {SQLITE_OK}
+do_test 1.13 { sqlite3_errcode db } {SQLITE_OK}
+do_test 1.14 { sqlite3_errmsg db } {not an error}
+
+do_test 1.15 { sqlite3_finalize $stmt } {SQLITE_CORRUPT}
+do_test 1.16 { sqlite3_errcode db } {SQLITE_CORRUPT}
+do_test 1.17 { sqlite3_errmsg db } {database disk image is malformed}
+
+#-------------------------------------------------------------------------
+#
+reset_db
+
+do_execsql_test 2.1 {
+  PRAGMA auto_vacuum = 1;
+  CREATE TABLE t1(a PRIMARY KEY, b);
+  WITH data(i) AS (
+    SELECT 1 UNION ALL SELECT i+1 FROM data
+  )
+  INSERT INTO t1 SELECT i, randomblob(600) FROM data LIMIT 20;
+  PRAGMA page_count;
+} {24}
+
+do_test 2.2 {
+  db_save
+  set fd [open test.db r+]
+  chan truncate $fd [expr 22*1024]
+  close $fd
+  catchsql { PRAGMA incremental_vacuum; }
+} {1 {database disk image is malformed}}
+
+do_test 2.3 {
+  set stmt [sqlite3_prepare_v2 db "PRAGMA auto_vacuum = INCREMENTAL" -1 dummy]
+  sqlite3_step $stmt
+} {SQLITE_CORRUPT}
+do_test 2.4 { sqlite3_errcode db } {SQLITE_CORRUPT}
+do_test 2.5 { sqlite3_errmsg db } {database disk image is malformed}
+do_test 2.6 { sqlite3_finalize $stmt } {SQLITE_CORRUPT}
+do_test 2.7 { sqlite3_errcode db } {SQLITE_CORRUPT}
+do_test 2.8 { sqlite3_errmsg db } {database disk image is malformed}
+
+do_test 2.9 {
+  set stmt [sqlite3_prepare_v2 db "PRAGMA auto_vacuum = INCREMENTAL" -1 dummy]
+  sqlite3_step $stmt
+} {SQLITE_CORRUPT}
+do_test 2.10 { sqlite3_errcode db } {SQLITE_CORRUPT}
+do_test 2.11 { sqlite3_errmsg db } {database disk image is malformed}
+
+do_test 2.12 {
+  set stmt2 [sqlite3_prepare_v2 db "SELECT 1" -1 dummy]
+  sqlite3_finalize $stmt2
+} {SQLITE_OK}
+do_test 2.13 { sqlite3_errcode db } {SQLITE_OK}
+do_test 2.14 { sqlite3_errmsg db } {not an error}
+
+do_test 2.15 { sqlite3_finalize $stmt } {SQLITE_CORRUPT}
+do_test 2.16 { sqlite3_errcode db } {SQLITE_CORRUPT}
+do_test 2.17 { sqlite3_errmsg db } {database disk image is malformed}
+
+finish_test