Import SQLite 3.7.6.3.

third_party/sqlite/src/test/fkey4.test

+# 2011 Feb 04
+#
+# 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 test deferred foreign key constraint processing to make
+# sure that when a statement not within BEGIN...END fails a constraint,
+# that statement doesn't hold the transaction open thus allowing
+# a subsequent statement to fail a deferred constraint with impunity.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable {!foreignkey||!trigger} {
+  finish_test
+  return
+}
+
+# Create a table and some data to work with.
+#
+do_test fkey4-1.1 {
+  execsql {
+    PRAGMA foreign_keys = ON;
+    CREATE TABLE t1(a PRIMARY KEY, b);
+    CREATE TABLE t2(c REFERENCES t1 DEFERRABLE INITIALLY DEFERRED, d);
+    INSERT INTO t1 VALUES(1,2);
+    INSERT INTO t2 VALUES(1,3);
+  }
+} {}
+
+do_test fkey4-1.2 {
+  set ::DB [sqlite3_connection_pointer db]
+  set ::SQL {INSERT INTO t2 VALUES(2,4)}
+  set ::STMT1 [sqlite3_prepare_v2 $::DB $::SQL -1 TAIL]
+  sqlite3_step $::STMT1
+} {SQLITE_CONSTRAINT}
+do_test fkey4-1.3 {
+  set ::STMT2 [sqlite3_prepare_v2 $::DB $::SQL -1 TAIL]
+  sqlite3_step $::STMT2
+} {SQLITE_CONSTRAINT}
+do_test fkey4-1.4 {
+  db eval {SELECT * FROM t2}
+} {1 3}
+sqlite3_finalize $::STMT1
+sqlite3_finalize $::STMT2
+
+finish_test