Import SQLite 3.7.6.3.

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 $testdir/tester.tcl
+
+# Do not use a codec for this file, as the database is manipulated using
+# external methods (the [fake_big_file] and [hexio_write] commands).
+#
+do_not_use_codec
+
+# If SQLITE_DISABLE_LFS is defined, omit this file.
+ifcapable !lfs {
+  finish_test
+  return
+}
+
+set a_string_counter 1
+proc a_string {n} {
+  incr ::a_string_counter
+  string range [string repeat "${::a_string_counter}." $n] 1 $n
+}
+db func a_string a_string
+
+do_test walbig-1.0 {
+  execsql {
+    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}]} {
+  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