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1 # 2007 Aug 13 |
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2 # |
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3 # The author disclaims copyright to this source code. In place of |
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4 # a legal notice, here is a blessing: |
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5 # |
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6 # May you do good and not evil. |
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7 # May you find forgiveness for yourself and forgive others. |
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8 # May you share freely, never taking more than you give. |
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9 # |
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10 #*********************************************************************** |
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11 # |
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12 # This file tests aspects of the malloc failure while parsing |
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13 # CREATE TABLE statements in auto_vacuum mode. |
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14 # |
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15 # $Id: mallocC.test,v 1.9 2008/02/18 22:24:58 drh Exp $ |
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16 |
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17 set testdir [file dirname $argv0] |
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18 source $testdir/tester.tcl |
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19 source $testdir/malloc_common.tcl |
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20 |
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21 # Only run these tests if memory debugging is turned on. |
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22 # |
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23 if {!$MEMDEBUG} { |
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24 puts "Skipping mallocC tests: not compiled with -DSQLITE_MEMDEBUG..." |
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25 finish_test |
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26 return |
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27 } |
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28 |
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29 proc do_mallocC_test {tn args} { |
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30 array set ::mallocopts $args |
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31 #set sum [allcksum db] |
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32 |
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33 for {set ::n 1} {true} {incr ::n} { |
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34 |
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35 # Run the SQL. Malloc number $::n is set to fail. A malloc() failure |
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36 # may or may not be reported. |
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37 sqlite3_memdebug_fail $::n -repeat 1 |
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38 do_test mallocC-$tn.$::n.1 { |
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39 set res [catchsql [string trim $::mallocopts(-sql)]] |
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40 set rc [expr { |
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41 0==[string compare $res {1 {out of memory}}] || |
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42 [db errorcode] == 3082 || |
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43 0==[lindex $res 0] |
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44 }] |
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45 if {$rc!=1} { |
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46 puts "Error: $res" |
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47 } |
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48 set rc |
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49 } {1} |
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50 |
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51 # If $::n is greater than the number of malloc() calls required to |
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52 # execute the SQL, then this test is finished. Break out of the loop. |
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53 set nFail [sqlite3_memdebug_fail -1] |
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54 if {$nFail==0} { |
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55 break |
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56 } |
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57 |
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58 # Recover from the malloc failure. |
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59 # |
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60 # Update: The new malloc() failure handling means that a transaction may |
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61 # still be active even if a malloc() has failed. But when these tests were |
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62 # written this was not the case. So do a manual ROLLBACK here so that the |
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63 # tests pass. |
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64 do_test mallocC-$tn.$::n.2 { |
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65 catch { |
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66 execsql { |
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67 ROLLBACK; |
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68 } |
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69 } |
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70 expr 0 |
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71 } {0} |
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72 |
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73 # Checksum the database. |
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74 #do_test mallocC-$tn.$::n.3 { |
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75 # allcksum db |
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76 #} $sum |
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77 |
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78 #integrity_check mallocC-$tn.$::n.4 |
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79 if {$::nErr>1} return |
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80 } |
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81 unset ::mallocopts |
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82 } |
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83 |
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84 sqlite3_extended_result_codes db 1 |
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85 |
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86 execsql { |
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87 PRAGMA auto_vacuum=1; |
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88 CREATE TABLE t0(a, b, c); |
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89 } |
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90 do_mallocC_test 1 -sql { |
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91 BEGIN; |
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92 -- Allocate 32 new root pages. This will exercise the 'extract specific |
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93 -- page from the freelist' code when in auto-vacuum mode (see the |
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94 -- allocatePage() routine in btree.c). |
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95 CREATE TABLE t1(a UNIQUE, b UNIQUE, c UNIQUE); |
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96 CREATE TABLE t2(a UNIQUE, b UNIQUE, c UNIQUE); |
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97 CREATE TABLE t3(a UNIQUE, b UNIQUE, c UNIQUE); |
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98 CREATE TABLE t4(a UNIQUE, b UNIQUE, c UNIQUE); |
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99 CREATE TABLE t5(a UNIQUE, b UNIQUE, c UNIQUE); |
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100 CREATE TABLE t6(a UNIQUE, b UNIQUE, c UNIQUE); |
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101 CREATE TABLE t7(a UNIQUE, b UNIQUE, c UNIQUE); |
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102 CREATE TABLE t8(a UNIQUE, b UNIQUE, c UNIQUE); |
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103 |
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104 ROLLBACK; |
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105 } |
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106 |
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107 finish_test |