Adding the sqlite sourcecode

ext/recover/recoverclobber.test

@@ -0,0 +1,50 @@
+# 2019 April 23
+#
+# 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.
+#
+#***********************************************************************
+# 
+# Tests for the SQLITE_RECOVER_ROWIDS option.
+#
+
+source [file join [file dirname [info script]] recover_common.tcl]
+set testprefix recoverclobber
+
+proc recover {db output} {
+  set R [sqlite3_recover_init db main test.db2]
+  $R run
+  $R finish
+}
+
+forcedelete test.db2
+do_execsql_test 1.0 {
+  ATTACH 'test.db2' AS aux;
+  CREATE TABLE aux.x1(x, one);
+  INSERT INTO x1 VALUES(1, 'one'), (2, 'two'), (3, 'three');
+
+  CREATE TABLE t1(a, b);
+  INSERT INTO t1 VALUES(1, 1), (2, 2), (3, 3), (4, 4);
+
+  DETACH aux;
+}
+
+breakpoint
+do_test 1.1 {
+  recover db test.db2
+} {}
+
+do_execsql_test 1.2 {
+  ATTACH 'test.db2' AS aux;
+  SELECT * FROM aux.t1;
+} {1 1   2 2   3 3   4 4}
+
+do_catchsql_test 1.3 {
+  SELECT * FROM aux.x1;
+} {1 {no such table: aux.x1}}
+
+finish_test