[sql] Import reference version of SQLite 3.17..

third_party/sqlite/sqlite-src-3170000/test/sqllog.test

+# 2015 November 13
+#
+# 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.  The
+# focus of this file is testing the test_sqllog.c module.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix sqllog
+
+ifcapable !sqllog {
+  finish_test
+  return
+}
+
+proc readfile {f} {
+  set fd [open $f]
+  set txt [read $fd]
+  close $fd
+  set txt
+}
+
+proc delete_all_sqllog_files {} {
+  forcedelete {*}[glob -nocomplain sqllog_*.sql]
+  forcedelete {*}[glob -nocomplain sqllog_*.db]
+  forcedelete {*}[glob -nocomplain sqllog_*.idx]
+}
+
+proc touch {f} {
+  set fd [open $f w+]
+  close $fd
+}
+
+db close
+sqlite3_shutdown
+set ::env(SQLITE_SQLLOG_DIR) [pwd]
+
+delete_all_sqllog_files
+
+sqlite3 db test.db
+set a a
+set b b
+do_execsql_test 1.0 {
+  CREATE TABLE t1(x, y);
+  INSERT INTO t1 VALUES(1, 2);
+  INSERT INTO t1 VALUES($a, $b);
+  SELECT * FROM t1;
+} {1 2 a b}
+db close
+
+do_test 1.1 {
+  readfile [lindex [glob sqllog_*.sql] 0]
+} [string trimleft {
+/-- Main database is '.*/sqllog_.*_0.db'
+CREATE TABLE t1\(x, y\);; -- clock=0
+INSERT INTO t1 VALUES\(1, 2\);; -- clock=1
+INSERT INTO t1 VALUES\('a', 'b'\);; -- clock=2
+SELECT . FROM t1;; -- clock=3
+/}]
+
+do_test 1.2 {
+  file size [lindex [glob sqllog_*_0.db] 0]
+} 1024
+
+#-------------------------------------------------------------------------
+catch { db close }
+sqlite3_shutdown
+delete_all_sqllog_files
+forcedelete test.db-sqllog
+
+set ::env(SQLITE_SQLLOG_CONDITIONAL) 1
+sqlite3 db test.db
+do_execsql_test 2.1 {
+  INSERT INTO t1 VALUES(4, 5);
+  SELECT * FROM t1;
+} {1 2 a b 4 5}
+
+do_test 2.2 {
+  glob -nocomplain sqllog_*
+} {}
+
+db close
+touch test.db-sqllog
+sqlite3 db test.db
+do_execsql_test 2.3 {
+  INSERT INTO t1 VALUES(6, 7);
+  SELECT * FROM t1;
+} {1 2 a b 4 5 6 7}
+db close
+
+do_test 2.4 {
+  readfile [lindex [glob sqllog_*.sql] 0]
+} [string trimleft {
+/-- Main database is '.*/sqllog_.*_0.db'
+INSERT INTO t1 VALUES\(6, 7\);; -- clock=0
+SELECT . FROM t1;; -- clock=1
+/}]
+
+catch { db close }
+sqlite3_shutdown
+unset ::env(SQLITE_SQLLOG_DIR)
+unset ::env(SQLITE_SQLLOG_CONDITIONAL)
+sqlite3_config_sqllog
+sqlite3_initialize
+finish_test