Add extra tests to this branch.

FossilOrigin-Name: b0e3b88a792623f7761586d8bfac058ddf939f49944ff0c4376627ff920895db

test/csv01.test

@@ -125,4 +125,20 @@ do_catchsql_test 4.1 {
   );
 } {0 {}}
 
+do_catchsql_test 4.2 {
+  DROP TABLE IF EXISTS t5;
+  CREATE VIRTUAL TABLE temp.t5 USING csv_wr(
+      data=
+      '1,2,3,4
+      5,6,7,8
+      9,10,11,12
+      13,14,15,16',
+      columns=4,
+      schema=
+      'CREATE TABLE t3(a,b,c,d) WITHOUT ROWID',
+      testflags=1
+      );
+} {0 {vtable constructor failed: t5}}
+
+
 finish_test

test/vtabJ.test

@@ -99,4 +99,28 @@ do_test 162 {
   set res
 } {vtabJ(1) this vtabJ(3) {a test} vtabJ(5) 55}
 
+# Try to trick the module into updating the same variable twice for a
+# single UPDATE statement.
+#
+do_execsql_test 171 {
+  INSERT INTO tclvar(fullname, value) VALUES('xx', 'a');
+  SELECT name, value FROM tclvar where name = 'xx';
+} {xx a}
+do_execsql_test 172 {
+  UPDATE tclvar SET value = value || 't' 
+  WHERE name = 'xx' OR name = 'x'||'x';
+  SELECT name, value FROM tclvar where name = 'xx';
+} {xx at}
+do_execsql_test 173 {
+  UPDATE tclvar SET value = value || 't' 
+  WHERE name = 'xx' OR name BETWEEN 'xx' AND 'xx';
+  SELECT name, value FROM tclvar where name = 'xx';
+} {xx att}
+
+do_execsql_test 181 {
+  DELETE FROM tclvar WHERE name BETWEEN 'xx' AND 'xx' OR name='xx';
+  SELECT name, value FROM tclvar where name = 'xx';
+} {}
+
+
 finish_test