Import SQLite 3.8.7.4.

third_party/sqlite/src/test/walbig.test

 # 2010 July 07
 #
 # 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 script testing the ability of SQLite to handle database
 # files larger than 4GB in WAL mode.
 #
 
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 
+ifcapable !wal {
+  finish_test
+  return
+}
+
 # Do not use a codec for this file, as the database is manipulated using
 # external methods (the [fake_big_file] and [hexio_write] commands).
 #
 do_not_use_codec
 
 # If SQLITE_DISABLE_LFS is defined, omit this file.
 ifcapable !lfs {
   finish_test
   return
 }
@@ skipping 10 matching lines @@
     PRAGMA journal_mode = WAL;
     CREATE TABLE t1(a PRIMARY KEY, b UNIQUE);
     INSERT INTO t1 VALUES(a_string(300), a_string(500));
     INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1;
     INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1;
     INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1;
   }
 } {wal}
 
 db close
-if {[catch {fake_big_file 5000 [pwd]/test.db}]} {
+if {[catch {fake_big_file 5000 [get_pwd]/test.db}]} {
   puts "**** Unable to create a file larger than 5000 MB. *****"
   finish_test
   return
 }
 hexio_write test.db 28 00000000
 
 sqlite3 db test.db
 db func a_string a_string
 do_test walbig-1.1 {
   execsql { INSERT INTO t1 SELECT a_string(300), a_string(500) FROM t1 }
 } {}
 db close
 
 sqlite3 db test.db
 do_test walbig-1.2 {
   execsql { SELECT a FROM t1 ORDER BY a }
 } [lsort [execsql { SELECT a FROM t1 ORDER BY rowid }]]
 
 do_test walbig-1.3 {
   execsql { SELECT b FROM t1 ORDER BY b }
 } [lsort [execsql { SELECT b FROM t1 ORDER BY rowid }]]
 
 finish_test