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+# 2008 August 01
+#
+# 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.
+#
+#***********************************************************************
+#
+# This test script checks malloc failures in various obscure operations.
+# 
+# $Id: mallocI.test,v 1.3 2009/08/10 04:26:39 danielk1977 Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+source $testdir/malloc_common.tcl
+
+# Malloc failures in a view.
+#
+do_malloc_test mallocI-1 -sqlprep {
+  CREATE TABLE t1(a,b,c,d);
+  CREATE VIEW v1 AS SELECT a*b, c*d FROM t1 ORDER BY b-d;
+} -sqlbody {
+  SELECT * FROM v1
+}
+
+# Malloc failure while trying to service a pragma on a TEMP database.
+#
+do_malloc_test mallocI-2 -sqlbody {
+  PRAGMA temp.page_size
+}
+
+# Malloc failure while creating a table from a SELECT statement.
+#
+do_malloc_test mallocI-3 -sqlprep {
+  CREATE TABLE t1(a,b,c);
+} -sqlbody {
+  CREATE TABLE t2 AS SELECT b,c FROM t1;
+}
+
+# This tests that a malloc failure that occurs while passing the schema
+# does not result in a SHARED lock being left on the database file.
+#
+do_malloc_test mallocI-4 -tclprep {
+  sqlite3 db2 test.db
+  db2 eval {
+    CREATE TABLE t1(a, b, c);
+    CREATE TABLE t2(a, b, c);
+  }
+} -sqlbody {
+  SELECT * FROM t1
+} -cleanup {
+  do_test mallocI-4.$::n.2 {
+    # If this INSERT is possible then [db] does not hold a shared lock
+    # on the database file.
+    catchsql { INSERT INTO t1 VALUES(1, 2, 3) } db2
+  } {0 {}}
+  catch {db2 close}
+}
+catch { db2 close }
+
+finish_test