/trunk/test/bitvec.test |
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# 2008 February 18 |
# |
# 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. |
# |
#*********************************************************************** |
# |
# Unit testing of the Bitvec object. |
# |
# $Id: bitvec.test,v 1.4 2009/04/01 23:49:04 drh Exp $ |
# |
|
set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
|
# The built-in test logic must be operational in order for |
# this test to work. |
ifcapable !builtin_test { |
finish_test |
return |
} |
|
# Test that sqlite3BitvecBuiltinTest correctly reports errors |
# that are deliberately introduced. |
# |
do_test bitvec-1.0.1 { |
sqlite3BitvecBuiltinTest 400 {5 1 1 1 0} |
} 1 |
do_test bitvec-1.0.2 { |
sqlite3BitvecBuiltinTest 400 {5 1 234 1 0} |
} 234 |
|
# Run test cases that set every bit in vectors of various sizes. |
# for larger cases, this should cycle the bit vector representation |
# from hashing into subbitmaps. The subbitmaps should start as |
# hashes then change to either subbitmaps or linear maps, depending |
# on their size. |
# |
do_test bitvec-1.1 { |
sqlite3BitvecBuiltinTest 400 {1 400 1 1 0} |
} 0 |
do_test bitvec-1.2 { |
sqlite3BitvecBuiltinTest 4000 {1 4000 1 1 0} |
} 0 |
do_test bitvec-1.3 { |
sqlite3BitvecBuiltinTest 40000 {1 40000 1 1 0} |
} 0 |
do_test bitvec-1.4 { |
sqlite3BitvecBuiltinTest 400000 {1 400000 1 1 0} |
} 0 |
|
# By specifying a larger increments, we spread the load around. |
# |
do_test bitvec-1.5 { |
sqlite3BitvecBuiltinTest 400 {1 400 1 7 0} |
} 0 |
do_test bitvec-1.6 { |
sqlite3BitvecBuiltinTest 4000 {1 4000 1 7 0} |
} 0 |
do_test bitvec-1.7 { |
sqlite3BitvecBuiltinTest 40000 {1 40000 1 7 0} |
} 0 |
do_test bitvec-1.8 { |
sqlite3BitvecBuiltinTest 400000 {1 400000 1 7 0} |
} 0 |
|
# First fill up the bitmap with ones, then go through and |
# clear all the bits. This will stress the clearing mechanism. |
# |
do_test bitvec-1.9 { |
sqlite3BitvecBuiltinTest 400 {1 400 1 1 2 400 1 1 0} |
} 0 |
do_test bitvec-1.10 { |
sqlite3BitvecBuiltinTest 4000 {1 4000 1 1 2 4000 1 1 0} |
} 0 |
do_test bitvec-1.11 { |
sqlite3BitvecBuiltinTest 40000 {1 40000 1 1 2 40000 1 1 0} |
} 0 |
do_test bitvec-1.12 { |
sqlite3BitvecBuiltinTest 400000 {1 400000 1 1 2 400000 1 1 0} |
} 0 |
|
do_test bitvec-1.13 { |
sqlite3BitvecBuiltinTest 400 {1 400 1 1 2 400 1 7 0} |
} 0 |
do_test bitvec-1.15 { |
sqlite3BitvecBuiltinTest 4000 {1 4000 1 1 2 4000 1 7 0} |
} 0 |
do_test bitvec-1.16 { |
sqlite3BitvecBuiltinTest 40000 {1 40000 1 1 2 40000 1 77 0} |
} 0 |
do_test bitvec-1.17 { |
sqlite3BitvecBuiltinTest 400000 {1 400000 1 1 2 400000 1 777 0} |
} 0 |
|
do_test bitvec-1.18 { |
sqlite3BitvecBuiltinTest 400000 {1 5000 100000 1 2 400000 1 37 0} |
} 0 |
|
# Attempt to induce hash collisions. |
# |
unset -nocomplain start |
unset -nocomplain incr |
foreach start {1 2 3 4 5 6 7 8} { |
foreach incr {124 125} { |
do_test bitvec-1.20.$start.$incr { |
set prog [list 1 60 $::start $::incr 2 5000 1 1 0] |
sqlite3BitvecBuiltinTest 5000 $prog |
} 0 |
} |
} |
|
do_test bitvec-1.30.big_and_slow { |
sqlite3BitvecBuiltinTest 17000000 {1 17000000 1 1 2 17000000 1 1 0} |
} 0 |
|
|
# Test setting and clearing a random subset of bits. |
# |
do_test bitvec-2.1 { |
sqlite3BitvecBuiltinTest 4000 {3 2000 4 2000 0} |
} 0 |
do_test bitvec-2.2 { |
sqlite3BitvecBuiltinTest 4000 {3 1000 4 1000 3 1000 4 1000 3 1000 4 1000 |
3 1000 4 1000 3 1000 4 1000 3 1000 4 1000 0} |
} 0 |
do_test bitvec-2.3 { |
sqlite3BitvecBuiltinTest 400000 {3 10 0} |
} 0 |
do_test bitvec-2.4 { |
sqlite3BitvecBuiltinTest 4000 {3 10 2 4000 1 1 0} |
} 0 |
do_test bitvec-2.5 { |
sqlite3BitvecBuiltinTest 5000 {3 20 2 5000 1 1 0} |
} 0 |
do_test bitvec-2.6 { |
sqlite3BitvecBuiltinTest 50000 {3 60 2 50000 1 1 0} |
} 0 |
do_test bitvec-2.7 { |
sqlite3BitvecBuiltinTest 5000 { |
1 25 121 125 |
1 50 121 125 |
2 25 121 125 |
0 |
} |
} 0 |
|
# This procedure runs sqlite3BitvecBuiltinTest with argments "n" and |
# "program". But it also causes a malloc error to occur after the |
# "failcnt"-th malloc. The result should be "0" if no malloc failure |
# occurs or "-1" if there is a malloc failure. |
# |
proc bitvec_malloc_test {label failcnt n program} { |
do_test $label [subst { |
sqlite3_memdebug_fail $failcnt |
set x \[sqlite3BitvecBuiltinTest $n [list $program]\] |
set nFail \[sqlite3_memdebug_fail -1\] |
if {\$nFail==0} { |
set ::go 0 |
set x -1 |
} |
set x |
}] -1 |
} |
|
# Make sure malloc failures are handled sanily. |
# |
unset -nocomplain n |
unset -nocomplain go |
set go 1 |
save_prng_state |
for {set n 0} {$go} {incr n} { |
restore_prng_state |
bitvec_malloc_test bitvec-3.1.$n $n 5000 { |
3 60 2 5000 1 1 3 60 2 5000 1 1 3 60 2 5000 1 1 0 |
} |
} |
set go 1 |
for {set n 0} {$go} {incr n} { |
restore_prng_state |
bitvec_malloc_test bitvec-3.2.$n $n 5000 { |
3 600 2 5000 1 1 3 600 2 5000 1 1 3 600 2 5000 1 1 0 |
} |
} |
set go 1 |
for {set n 1} {$go} {incr n} { |
bitvec_malloc_test bitvec-3.3.$n $n 50000 {1 50000 1 1 0} |
} |
|
finish_test |
return |