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Overview
Comment:Update test file walprotocol.test to account for the changes in the wal locking protocol.
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SHA3-256: 64e567009dd56ef595850fe460925bc15fa875163541527638b654aa2b2cf785
User & Date: dan 2017-11-30 07:55:15
Context
2017-11-30
11:21
Fix some minor problems in test scripts. check-in: 4c551fde user: dan tags: trunk
07:56
Merge latest trunk changes, including the fixes for test file walprotocol.test. check-in: b425b998 user: dan tags: apple-osx
07:55
Update test file walprotocol.test to account for the changes in the wal locking protocol. check-in: 64e56700 user: dan tags: trunk
2017-11-28
20:43
Fix an assertion fault found by OSSFuzz. check-in: 75d69987 user: dan tags: trunk
Changes
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Changes to test/walprotocol.test. 

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do_test 1.1 {
  testvfs T
  T filter xShmLock 
  T script lock_callback
  set ::locks [list]
  sqlite3 db test.db -vfs T
  execsql { SELECT * FROM x }
  lrange $::locks 0 3
} [list {0 1 lock exclusive} {1 7 lock exclusive}      \
        {1 7 unlock exclusive} {0 1 unlock exclusive}  \
]
do_test 1.2 {
  db close
  set ::locks [list]
  sqlite3 db test.db -vfs T
  execsql { SELECT * FROM x }
  lrange $::locks 0 3
} [list {0 1 lock exclusive} {1 7 lock exclusive}      \
        {1 7 unlock exclusive} {0 1 unlock exclusive}  \
]
proc lock_callback {method filename handle lock} {
  if {$lock == "1 7 lock exclusive"} { return SQLITE_BUSY }
  return SQLITE_OK
}
puts "# Warning: This next test case causes SQLite to call xSleep(1) 100 times."
puts "# Normally this equates to a delay of roughly 10 seconds, but if SQLite"
puts "# is built on unix without HAVE_USLEEP defined, it may be much longer."
do_test 1.3 {
  db close
................................................................................

puts "# Warning: Same again!"
proc lock_callback {method filename handle lock} {
  if {$lock == "0 1 lock exclusive"} { return SQLITE_BUSY }
  return SQLITE_OK
}
do_test 1.4 {












  db close
  set ::locks [list]
  sqlite3 db test.db -vfs T
  catchsql { SELECT * FROM x }
} {1 {locking protocol}}
db close
T delete
................................................................................
faultsim_save_and_close
testvfs T -default 1
faultsim_restore_and_reopen
T filter xShmLock
T script lock_callback

proc lock_callback {method file handle spec} {
  if {$spec == "1 7 unlock exclusive"} {
    T filter {}
    set ::r [catchsql { SELECT * FROM b } db2]
  }
}
sqlite3 db test.db
sqlite3 db2 test.db

do_test 2.5 {
  execsql { SELECT * FROM b }
} {Tehran Qom Markazi Qazvin Gilan Ardabil}
do_test 2.6 {
  set ::r
} {1 {locking protocol}}

................................................................................
db2 close

faultsim_restore_and_reopen
sqlite3 db2 test.db
T filter xShmLock
T script lock_callback
proc lock_callback {method file handle spec} {
  if {$spec == "1 7 unlock exclusive"} {
    T filter {}
    set ::r [catchsql { SELECT * FROM b } db2]
  }
}
unset ::r

do_test 2.7 {
  execsql { SELECT * FROM b }
} {Tehran Qom Markazi Qazvin Gilan Ardabil}
do_test 2.8 {
  set ::r
} {1 {locking protocol}}

db close
db2 close
T delete

finish_test








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do_test 1.1 {
  testvfs T
  T filter xShmLock 
  T script lock_callback
  set ::locks [list]
  sqlite3 db test.db -vfs T
  execsql { SELECT * FROM x }
  lrange $::locks 0 5
} [list {0 1 lock exclusive} {1 2 lock exclusive} {4 4 lock exclusive} \
        {1 2 unlock exclusive} {4 4 unlock exclusive} {0 1 unlock exclusive}  \
]
do_test 1.2 {
  db close
  set ::locks [list]
  sqlite3 db test.db -vfs T
  execsql { SELECT * FROM x }
  lrange $::locks 0 5
} [list {0 1 lock exclusive} {1 2 lock exclusive} {4 4 lock exclusive} \
        {1 2 unlock exclusive} {4 4 unlock exclusive} {0 1 unlock exclusive}  \
]
proc lock_callback {method filename handle lock} {
  if {$lock == "1 2 lock exclusive"} { return SQLITE_BUSY }
  return SQLITE_OK
}
puts "# Warning: This next test case causes SQLite to call xSleep(1) 100 times."
puts "# Normally this equates to a delay of roughly 10 seconds, but if SQLite"
puts "# is built on unix without HAVE_USLEEP defined, it may be much longer."
do_test 1.3 {
  db close
................................................................................

puts "# Warning: Same again!"
proc lock_callback {method filename handle lock} {
  if {$lock == "0 1 lock exclusive"} { return SQLITE_BUSY }
  return SQLITE_OK
}
do_test 1.4 {
  db close
  set ::locks [list]
  sqlite3 db test.db -vfs T
  catchsql { SELECT * FROM x }
} {1 {locking protocol}}

puts "# Warning: Third time!"
proc lock_callback {method filename handle lock} {
  if {$lock == "4 4 lock exclusive"} { return SQLITE_BUSY }
  return SQLITE_OK
}
do_test 1.5 {
  db close
  set ::locks [list]
  sqlite3 db test.db -vfs T
  catchsql { SELECT * FROM x }
} {1 {locking protocol}}
db close
T delete
................................................................................
faultsim_save_and_close
testvfs T -default 1
faultsim_restore_and_reopen
T filter xShmLock
T script lock_callback

proc lock_callback {method file handle spec} {
  if {$spec == "1 2 unlock exclusive"} {
    T filter {}
    set ::r [catchsql { SELECT * FROM b } db2]
  }
}
sqlite3 db test.db
sqlite3 db2 test.db
puts "# Warning: Another slow test!"
do_test 2.5 {
  execsql { SELECT * FROM b }
} {Tehran Qom Markazi Qazvin Gilan Ardabil}
do_test 2.6 {
  set ::r
} {1 {locking protocol}}

................................................................................
db2 close

faultsim_restore_and_reopen
sqlite3 db2 test.db
T filter xShmLock
T script lock_callback
proc lock_callback {method file handle spec} {
  if {$spec == "1 2 unlock exclusive"} {
    T filter {}
    set ::r [catchsql { SELECT * FROM b } db2]
  }
}
unset ::r
puts "# Warning: Last one!"
do_test 2.7 {
  execsql { SELECT * FROM b }
} {Tehran Qom Markazi Qazvin Gilan Ardabil}
do_test 2.8 {
  set ::r
} {1 {locking protocol}}

db close
db2 close
T delete

finish_test

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