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