wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2010 June 16 |
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 | # This file implements regression tests for SQLite library. Specifically, |
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12 | # it tests that ticket [fc62af4523] has been resolved. |
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13 | # |
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14 | |||
15 | set testdir [file dirname $argv0] |
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16 | source $testdir/tester.tcl |
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17 | source $testdir/lock_common.tcl |
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18 | source $testdir/malloc_common.tcl |
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19 | |||
20 | do_test tkt-fc62af4523.1 { |
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21 | execsql { |
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22 | PRAGMA cache_size = 10; |
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23 | PRAGMA journal_mode = persist; |
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24 | CREATE TABLE t1(a UNIQUE, b UNIQUE); |
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25 | INSERT INTO t1 SELECT randomblob(200), randomblob(300); |
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26 | INSERT INTO t1 SELECT randomblob(200), randomblob(300) FROM t1; -- 2 |
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27 | INSERT INTO t1 SELECT randomblob(200), randomblob(300) FROM t1; -- 4 |
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28 | INSERT INTO t1 SELECT randomblob(200), randomblob(300) FROM t1; -- 8 |
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29 | INSERT INTO t1 SELECT randomblob(200), randomblob(300) FROM t1; -- 16 |
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30 | INSERT INTO t1 SELECT randomblob(200), randomblob(300) FROM t1; -- 32 |
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31 | INSERT INTO t1 SELECT randomblob(200), randomblob(300) FROM t1; -- 64 |
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32 | } |
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33 | execsql { |
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34 | PRAGMA integrity_check; |
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35 | SELECT count(*) FROM t1; |
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36 | } |
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37 | } {ok 64} |
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38 | |||
39 | # Launch an external process. Have it write (but not commit) a large |
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40 | # transaction to the database. |
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41 | # |
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42 | set ::chan [launch_testfixture] |
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43 | proc buddy {code} { testfixture $::chan $code } |
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44 | do_test tkt-fc62af4523.2 { |
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45 | testfixture $::chan { |
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46 | sqlite3 db test.db |
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47 | db eval { |
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48 | PRAGMA cache_size = 10; |
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49 | BEGIN; |
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50 | UPDATE t1 SET b = randomblob(400); |
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51 | UPDATE t1 SET a = randomblob(201); |
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52 | } |
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53 | } |
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54 | file exists test.db-journal |
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55 | } {1} |
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56 | |||
57 | # Now do "PRAGMA journal_mode = DELETE" in this process. At one point |
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58 | # this was causing SQLite to delete the journal file from the file-system, |
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59 | # even though the external process is currently using it. |
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60 | # |
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61 | do_test tkt-fc62af4523.3 { execsql { PRAGMA journal_mode = DELETE } } {delete} |
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62 | do_test tkt-fc62af4523.4 { file exists test.db-journal } {1} |
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63 | |||
64 | # Cause the external process to crash. Since it has already written |
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65 | # uncommitted data into the database file, the next reader will have |
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66 | # to do a hot-journal rollback to recover the database. |
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67 | # |
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68 | # Or, if this test is run in a version with the bug present, the journal |
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69 | # file has already been deleted. In this case we are left with a corrupt |
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70 | # database file and no hot-journal to fix it with. |
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71 | # |
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72 | do_test tkt-fc62af4523.5 { |
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73 | testfixture $::chan sqlite_abort |
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74 | } {ERROR: Child process hung up} |
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75 | after 200 |
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76 | do_test tkt-fc62af4523.6 { |
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77 | execsql { |
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78 | PRAGMA integrity_check; |
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79 | SELECT count(*) FROM t1; |
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80 | } |
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81 | } {ok 64} |
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82 | |||
83 | catch { close $::chan } |
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84 | finish_test |