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			101 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| #
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| # 2007 May 10
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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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| # This file tests malloc failures in concert with fuzzy SQL generation.
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| #
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| # $Id: fuzz_malloc.test,v 1.10 2008/08/20 16:35:10 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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| 
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| source $testdir/malloc_common.tcl
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| source $testdir/fuzz_common.tcl
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| 
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| if {[info exists G(isquick)]} {
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|   set ::REPEATS 20
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| } elseif {[info exists G(issoak)]} {
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|   set ::REPEATS 100
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| } else {
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|   set ::REPEATS 40
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| }
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| 
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| #
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| # Usage: do_fuzzy_malloc_test <testname> ?<options>?
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| # 
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| #     -template
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| #     -sqlprep
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| #     -repeats
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| #     
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| proc do_fuzzy_malloc_test {testname args} {
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|   set ::fuzzyopts(-repeats) $::REPEATS
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|   set ::fuzzyopts(-sqlprep) {}
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|   array set ::fuzzyopts $args
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| 
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|   sqlite3_memdebug_fail -1
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|   db close
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|   delete_file test.db test.db-journal
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|   sqlite3 db test.db
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|   set ::prep $::fuzzyopts(-sqlprep)
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|   execsql $::prep
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|   set jj 0
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|   for {set ii 0} {$ii < $::fuzzyopts(-repeats)} {incr ii} {
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|     expr srand($jj)
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|     incr jj
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|     set ::sql [subst $::fuzzyopts(-template)]
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|     # puts fuzyy-sql=\[$::sql\]; flush stdout
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|     foreach {rc ::fmtres} [catchsql "$::sql"] {}
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|     if {$rc==0} {
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|       set nErr1 [set_test_counter errors]
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|       do_faultsim_test $testname-$ii -faults oom* -body {
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|         execsql $::sql
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|       } -test {
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|         if {$testrc && $testresult!="datatype mismatch"} { 
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|           faultsim_test_result {0 {}}
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|         }
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|       }
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|       if {[set_test_counter errors]>$nErr1} {
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|         puts "Previous fuzzy-sql=\[$::sql\]"
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|         flush stdout
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|       }
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|     } else {
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|       incr ii -1
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|     }
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|   }
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| }
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| 
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| #----------------------------------------------------------------
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| # Test malloc failure during parsing (and execution) of a fuzzily 
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| # generated expressions.
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| #
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| do_fuzzy_malloc_test fuzzy_malloc-1 -template {Select [Expr]}
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| do_fuzzy_malloc_test fuzzy_malloc-2 -template {[Select]}
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| 
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| set ::SQLPREP {
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|   BEGIN;
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|     CREATE TABLE abc(a, b, c);
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|     CREATE TABLE def(a, b, c);
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|     CREATE TABLE ghi(a, b, c);
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|     INSERT INTO abc VALUES(1.5, 3, 'a short string');
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|     INSERT INTO def VALUES(NULL, X'ABCDEF', 
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|         'a longer string. Long enough that it doesn''t fit in Mem.zShort');
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|     INSERT INTO ghi VALUES(zeroblob(1000), 'hello world', -1257900987654321);
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|   COMMIT;
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| }
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| set ::TableList  [list abc def ghi]
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| set ::ColumnList [list a b c]
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| 
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| do_fuzzy_malloc_test fuzzy_malloc-3 \
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|   -template {[Select]}              \
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|   -sqlprep $::SQLPREP
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| 
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| finish_test
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