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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: mallocH.test,v 1.2 2008/08/01 20:10:09 drh Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+source $testdir/malloc_common.tcl
+
+# Malloc failures in journaling of in-memory databases.
+#
+do_malloc_test mallocH-1 -tclprep {
+  db close
+  sqlite3 db :memory:
+  db eval {
+    CREATE TABLE t1(x UNIQUE, y);
+    INSERT INTO t1 VALUES(1,2);
+  }
+} -sqlbody {
+  INSERT INTO t1 SELECT x+1, y+100 FROM t1;
+}
+
+# Malloc failures while parsing a CASE expression.
+#
+do_malloc_test mallocH-2 -sqlbody {
+   SELECT CASE WHEN 1 THEN 1 END;
+}
+
+# Malloc failures while parsing a EXISTS(SELECT ...)
+#
+do_malloc_test mallocH-3 -sqlbody {
+   SELECT 3+EXISTS(SELECT * FROM sqlite_master);
+}
+
+# Malloc failures within the replace() function.
+#
+do_malloc_test mallocH-3 -sqlbody {
+   SELECT replace('ababa','a','xyzzy');
+}
+
+# Malloc failures during EXPLAIN.
+#
+ifcapable explain {
+  do_malloc_test mallocH-4 -sqlprep {
+     CREATE TABLE abc(a PRIMARY KEY, b, c);
+  } -sqlbody {
+     EXPLAIN SELECT * FROM abc AS t2 WHERE rowid=1;
+     EXPLAIN QUERY PLAN SELECT * FROM abc AS t2 WHERE rowid=1;
+  }
+}
+
+# Malloc failure during integrity_check pragma.
+#
+do_malloc_test mallocH-5 -sqlprep {
+   CREATE TABLE t1(a PRIMARY KEY, b UNIQUE);
+   CREATE TABLE t2(x,y);
+   INSERT INTO t1 VALUES(1,2);
+   INSERT INTO t2 SELECT * FROM t1;
+} -sqlbody {
+   PRAGMA integrity_check;
+}
+
+finish_test