diff -r 000000000000 -r 08ec8eefde2f persistentstorage/sqlite3api/TEST/TclScript/bitvec.test
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/sqlite3api/TEST/TclScript/bitvec.test	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,191 @@
+# 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 1.2 2008/03/21 16:45:48 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
+
+# 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
+
+
+
+finish_test