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diff --git a/test/aggerror.test b/test/aggerror.test
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+# 2006 January 20
+#
+# 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 file implements regression tests for SQLite library.
+#
+# This file implements tests for calling sqlite3_result_error()
+# from within an aggregate function implementation.
+#
+# $Id: aggerror.test,v 1.3 2006/05/03 23:34:06 drh Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+
+# Add the x_count aggregate function to the database handle.
+# x_count will error out if its input is 40 or 41 or if its
+# final results is 42.  Make sure that such errors are handled
+# appropriately.
+#
+do_test aggerror-1.1 {
+  set DB [sqlite3_connection_pointer db]
+  sqlite3_create_aggregate $DB
+  execsql {
+    CREATE TABLE t1(a);
+    INSERT INTO t1 VALUES(1);
+    INSERT INTO t1 VALUES(2);
+    INSERT INTO t1 SELECT a+2 FROM t1;
+    INSERT INTO t1 SELECT a+4 FROM t1;
+    INSERT INTO t1 SELECT a+8 FROM t1;
+    INSERT INTO t1 SELECT a+16 FROM t1;
+    INSERT INTO t1 SELECT a+32 FROM t1 ORDER BY a LIMIT 7;
+    SELECT x_count(*) FROM t1;
+  }
+} {39}
+do_test aggerror-1.2 {
+  execsql {
+    INSERT INTO t1 VALUES(40);
+    SELECT x_count(*) FROM t1;
+  }
+} {40}
+do_test aggerror-1.3 {
+  catchsql {
+    SELECT x_count(a) FROM t1;
+  }
+} {1 {value of 40 handed to x_count}}
+ifcapable utf16 {
+  do_test aggerror-1.4 {
+    execsql {
+      UPDATE t1 SET a=41 WHERE a=40
+    }
+    catchsql {
+      SELECT x_count(a) FROM t1;
+    }
+  } {1 abc}
+}
+do_test aggerror-1.5 {
+  execsql {
+    SELECT x_count(*) FROM t1
+  }
+} 40
+do_test aggerror-1.6 {
+  execsql {
+    INSERT INTO t1 VALUES(40);
+    INSERT INTO t1 VALUES(42);
+  }
+  catchsql {
+    SELECT x_count(*) FROM t1;
+  }
+} {1 {x_count totals to 42}}
+
+finish_test