Import SQLite 3.7.6.3.

third_party/sqlite/src/test/stmt.test

+# 2010 February 18
+#
+# 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 tests in this file check that SQLite uses (or does not use) a
+# statement journal for various SQL statements.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_test stmt-1.1 {
+  execsql { CREATE TABLE t1(a integer primary key, b INTEGER NOT NULL) }
+} {}
+
+# The following tests verify the method used for the tests in this file -
+# that if a statement journal is required by a statement it is opened and
+# remains open until the current transaction is committed or rolled back.
+#
+# This only work if SQLITE_TEMP_STORE!=3
+#
+if {$::TEMP_STORE==3} {
+  finish_test
+  return
+}
+do_test stmt-1.2 {
+  set sqlite_open_file_count
+} {1}
+do_test stmt-1.3 {
+  execsql {
+    PRAGMA temp_store = file;
+    BEGIN;
+      INSERT INTO t1 VALUES(1, 1);
+  }
+  set sqlite_open_file_count
+} {2}
+do_test stmt-1.4 {
+  execsql {
+    INSERT INTO t1 SELECT a+1, b+1 FROM t1;
+  }
+  set sqlite_open_file_count
+} {3}
+do_test stmt-1.5 {
+  execsql COMMIT
+  set sqlite_open_file_count
+} {1}
+do_test stmt-1.6.1 {
+  execsql {
+    BEGIN;
+      INSERT INTO t1 SELECT a+2, b+2 FROM t1;
+  }
+  set sqlite_open_file_count
+} {2}
+do_test stmt-1.6.2 {
+  execsql { INSERT INTO t1 SELECT a+4, b+4 FROM t1 }
+  set sqlite_open_file_count
+} {3}
+do_test stmt-1.7 {
+  execsql COMMIT
+  set sqlite_open_file_count
+} {1}
+
+
+proc filecount {testname sql expected} {
+  uplevel [list do_test $testname [subst -nocommand {
+    execsql BEGIN
+    execsql { $sql }
+    set ret [set sqlite_open_file_count]
+    execsql ROLLBACK
+    set ret
+  }] $expected]
+}
+
+filecount stmt-2.1 { INSERT INTO t1 VALUES(9, 9)  } 2
+filecount stmt-2.2 { REPLACE INTO t1 VALUES(9, 9) } 2
+filecount stmt-2.3 { INSERT INTO t1 SELECT 9, 9   } 2
+filecount stmt-2.4 { 
+    INSERT INTO t1 SELECT 9, 9;
+    INSERT INTO t1 SELECT 10, 10;
+} 3
+
+do_test stmt-2.5 {
+  execsql { CREATE INDEX i1 ON t1(b) }
+} {}
+filecount stmt-2.6 { 
+  REPLACE INTO t1 VALUES(5, 5);
+  REPLACE INTO t1 VALUES(5, 5); 
+} 3
+
+finish_test