# 2011 December 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 contains tests for error (IO, OOM etc.) handling when using
# the multiplexor extension with 8.3 filenames.
#

set testdir $env(SQLITE_TEST_DIR)
source $testdir/tester.tcl
source $testdir/malloc_common.tcl
set ::testprefix multiplex3

ifcapable !8_3_names {
  puts -nonewline "SQLite compiled without SQLITE_ENABLE_8_3_NAMES. "
  puts            "Skipping tests zipvfsD-*."
  finish_test
  return
}

db close
sqlite3_shutdown
sqlite3_config_uri 1
autoinstall_test_functions

sqlite3_multiplex_initialize "" 1

proc destroy_vfs_stack {} {
  generic_unregister stack
  sqlite3_multiplex_shutdown
}

proc multiplex_delete_db {} {
  forcedelete test.db
  for {set i 1} {$i <= 1000} {incr i} {
    forcedelete test.[format %03d $i]
  }
}

# Procs to save and restore the current muliplexed database.
#
proc multiplex_save_db {} {
  foreach f [glob -nocomplain sv_test.*] { forcedelete $f }
  foreach f [glob -nocomplain test.*]    { forcecopy $f "sv_$f" }
}
proc multiplex_restore_db {} {
  foreach f [glob -nocomplain test.*]    {forcedelete $f}
  foreach f [glob -nocomplain sv_test.*] {forcecopy $f [string range $f 3 end]} }


do_test 1.0 {
  multiplex_delete_db
  sqlite3 db file:test.db?8_3_names=1
  sqlite3_multiplex_control db main chunk_size [expr 256*1024]
  execsql {
    CREATE TABLE t1(a PRIMARY KEY, b);
    INSERT INTO t1 VALUES(randomblob(15), randomblob(2000));
    INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    --   2
    INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    --   4
    INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    --   8
    INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    --  16
    INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    --  32
    INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    --  64
    INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    -- 128
    INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    -- 256
    INSERT INTO t1 SELECT randomblob(15), randomblob(2000) FROM t1;    -- 512
  }
  set ::cksum1 [execsql {SELECT md5sum(a, b) FROM t1 ORDER BY a}]
  db close
  multiplex_save_db
} {}

do_faultsim_test 1 -prep {
  multiplex_restore_db
  sqlite3 db file:test.db?8_3_names=1
  sqlite3_multiplex_control db main chunk_size [expr 256*1024]
} -body {
  execsql "UPDATE t1 SET a=randomblob(12), b=randomblob(1500) WHERE (rowid%32)=0"
} -test {
  faultsim_test_result {0 {}}
  if {$testrc!=0} {
    set cksum2 [execsql {SELECT md5sum(a, b) FROM t1 ORDER BY a}]
    if {$cksum2 != $::cksum1} { error "data mismatch" }
  }
}

catch { db close }

sqlite3_multiplex_shutdown
finish_test