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1 # 2008 August 01 |
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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 # Tests for the lookaside memory allocator. |
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13 # |
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14 # $Id: lookaside.test,v 1.6 2008/09/30 00:31:38 drh Exp $ |
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15 |
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16 set testdir [file dirname $argv0] |
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17 source $testdir/tester.tcl |
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18 |
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19 catch {db close} |
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20 sqlite3_shutdown |
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21 sqlite3_config_pagecache 0 0 |
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22 sqlite3_config_scratch 0 0 |
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23 sqlite3_initialize |
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24 sqlite3 db test.db |
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25 |
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26 # Make sure sqlite3_db_config() and sqlite3_db_status are working. |
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27 # |
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28 do_test lookaside-1.1 { |
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29 catch {sqlite3_config_error db} |
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30 } {0} |
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31 do_test lookaside-1.2 { |
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32 sqlite3_db_config_lookaside db 1 18 18 |
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33 } {0} |
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34 do_test lookaside-1.3 { |
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35 sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0 |
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36 } {0 0 0} |
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37 do_test lookaside-1.4 { |
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38 db eval {CREATE TABLE t1(w,x,y,z);} |
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39 foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break |
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40 expr {$x==0 && $y<$z && $z==18} |
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41 } {1} |
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42 do_test lookaside-1.5 { |
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43 foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 1] break |
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44 expr {$x==0 && $y<$z && $z==18} |
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45 } {1} |
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46 do_test lookaside-1.6 { |
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47 foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break |
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48 expr {$x==0 && $y==$z && $y<18} |
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49 } {1} |
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50 do_test lookaside-1.7 { |
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51 db cache flush |
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52 foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break |
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53 expr {$x==0 && $y==0 && $z<18} |
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54 } {1} |
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55 do_test lookaside-1.8 { |
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56 db cache flush |
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57 foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 1] break |
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58 expr {$x==0 && $y==0 && $z<18} |
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59 } {1} |
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60 do_test lookaside-1.9 { |
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61 db cache flush |
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62 sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0 |
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63 } {0 0 0} |
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64 |
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65 do_test lookaside-2.1 { |
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66 sqlite3_db_config_lookaside db 0 100 1000 |
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67 } {0} |
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68 do_test lookaside-2.2 { |
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69 db eval {CREATE TABLE t2(x);} |
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70 foreach {x y z} [sqlite3_db_status db SQLITE_DBSTATUS_LOOKASIDE_USED 0] break |
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71 expr {$x==0 && $y<$z && $z>10 && $z<100} |
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72 } {1} |
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73 do_test lookaside-2.3 { |
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74 sqlite3_db_config_lookaside db 0 50 50 |
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75 } {5} ;# SQLITE_BUSY |
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76 do_test lookaside-2.4 { |
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77 db cache flush |
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78 sqlite3_db_config_lookaside db 0 50 50 |
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79 } {0} ;# SQLITE_OK |
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80 |
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81 # sqlite3_db_status() with an invalid verb returns an error. |
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82 # |
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83 do_test lookaside-3.1 { |
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84 sqlite3_db_status db 99999 0 |
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85 } {1 0 0} |
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86 |
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87 # Test that an invalid verb on sqlite3_config() is detected and |
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88 # reported as an error. |
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89 # |
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90 do_test lookaside-4.1 { |
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91 db close |
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92 sqlite3_shutdown |
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93 catch sqlite3_config_error |
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94 } {0} |
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95 sqlite3_initialize |
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96 |
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97 finish_test |