wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2005 January 19 |
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 | # $Id: shared3.test,v 1.4 2008/08/20 14:49:25 danielk1977 Exp $ |
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13 | |||
14 | set testdir [file dirname $argv0] |
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15 | source $testdir/tester.tcl |
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16 | db close |
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17 | |||
18 | ifcapable !shared_cache { |
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19 | finish_test |
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20 | return |
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21 | } |
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22 | set ::enable_shared_cache [sqlite3_enable_shared_cache 1] |
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23 | |||
24 | # Ticket #1824 |
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25 | # |
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26 | do_test shared3-1.1 { |
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27 | file delete -force test.db test.db-journal |
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28 | sqlite3 db1 test.db |
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29 | db1 eval { |
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30 | PRAGMA encoding=UTF16; |
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31 | CREATE TABLE t1(x,y); |
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32 | INSERT INTO t1 VALUES('abc','This is a test string'); |
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33 | } |
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34 | db1 close |
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35 | sqlite3 db1 test.db |
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36 | db1 eval {SELECT * FROM t1} |
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37 | } {abc {This is a test string}} |
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38 | do_test shared3-1.2 { |
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39 | sqlite3 db2 test.db |
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40 | db2 eval {SELECT y FROM t1 WHERE x='abc'} |
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41 | } {{This is a test string}} |
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42 | |||
43 | db1 close |
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44 | db2 close |
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45 | |||
46 | do_test shared3-2.1 { |
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47 | sqlite3 db1 test.db |
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48 | execsql { |
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49 | PRAGMA main.cache_size = 10; |
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50 | } db1 |
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51 | } {} |
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52 | do_test shared3-2.2 { |
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53 | execsql { PRAGMA main.cache_size } db1 |
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54 | } {10} |
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55 | do_test shared3-2.3 { |
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56 | sqlite3 db2 test.db |
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57 | execsql { PRAGMA main.cache_size } db1 |
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58 | } {10} |
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59 | do_test shared3-2.4 { |
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60 | execsql { PRAGMA main.cache_size } db2 |
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61 | } {10} |
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62 | do_test shared3-2.5 { |
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63 | execsql { PRAGMA main.cache_size } db1 |
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64 | } {10} |
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65 | |||
66 | # The cache-size should now be 10 pages. However at one point there was |
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67 | # a bug that caused the cache size to return to the default value when |
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68 | # a second connection was opened on the shared-cache (as happened in |
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69 | # test case shared3-2.3 above). The goal of the following tests is to |
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70 | # ensure that the cache-size really is 10 pages. |
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71 | # |
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72 | if {$::tcl_platform(platform)=="unix"} { |
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73 | set alternative_name ./test.db |
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74 | } else { |
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75 | set alternative_name TEST.DB |
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76 | } |
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77 | do_test shared3-2.6 { |
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78 | sqlite3 db3 $alternative_name |
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79 | catchsql {select count(*) from sqlite_master} db3 |
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80 | } {0 1} |
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81 | do_test shared3-2.7 { |
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82 | execsql { |
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83 | BEGIN; |
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84 | INSERT INTO t1 VALUES(10, randomblob(5000)) |
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85 | } db1 |
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86 | catchsql {select count(*) from sqlite_master} db3 |
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87 | } {0 1} |
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88 | do_test shared3-2.8 { |
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89 | db3 close |
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90 | execsql { |
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91 | INSERT INTO t1 VALUES(10, randomblob(10000)) |
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92 | } db1 |
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93 | |||
94 | # If the pager-cache is really still limited to 10 pages, then the INSERT |
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95 | # statement above should have caused the pager to grab an exclusive lock |
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96 | # on the database file so that the cache could be spilled. |
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97 | # |
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98 | catch { sqlite3 db3 $alternative_name } |
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99 | catchsql {select count(*) from sqlite_master} db3 |
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100 | } {1 {database is locked}} |
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101 | |||
102 | db1 close |
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103 | db2 close |
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104 | db3 close |
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105 | |||
106 | sqlite3_enable_shared_cache $::enable_shared_cache |
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107 | finish_test |