[sql] Import SQLite 3.17.0.

third_party/sqlite/src/ext/session/sessionwor.test

+# 2017 Jan 31
+#
+# 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.
+#
+#***********************************************************************
+#
+# The focus of this file is testing the session module. Specifically,
+# testing support for WITHOUT ROWID tables.
+#
+
+if {![info exists testdir]} {
+  set testdir [file join [file dirname [info script]] .. .. test]
+} 
+source [file join [file dirname [info script]] session_common.tcl]
+source $testdir/tester.tcl
+ifcapable !session {finish_test; return}
+
+set testprefix sessionwor
+
+proc test_reset {} {
+  catch { db close }
+  catch { db2 close }
+  forcedelete test.db test.db2
+  sqlite3 db test.db
+  sqlite3 db2 test.db2
+}
+
+
+do_execsql_test 1.0 {
+  CREATE TABLE t1(a PRIMARY KEY, b) WITHOUT ROWID;
+}
+
+do_iterator_test 1.1 t1 {
+  INSERT INTO t1 VALUES('one', 'two');
+} {
+  {INSERT t1 0 X. {} {t one t two}}
+}
+
+do_iterator_test 1.2 t1 {
+  UPDATE t1 SET b='three'
+} {
+  {UPDATE t1 0 X. {t one t two} {{} {} t three}}
+}
+
+do_iterator_test 1.3 t1 {
+  DELETE FROM t1;
+} {
+  {DELETE t1 0 X. {t one t three} {}}
+}
+
+finish_test
+