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Side by Side Diff: third_party/sqlite/test/rollback.test

Issue 3108030: Move bundled copy of sqlite one level deeper to better separate it... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 10 years, 4 months ago
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1 # 2004 June 30
2 #
3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
5 #
6 # May you do good and not evil.
7 # May you find forgiveness for yourself and forgive others.
8 # May you share freely, never taking more than you give.
9 #
10 #***********************************************************************
11 # This file implements regression tests for SQLite library. The
12 # focus of this file is verifying that a rollback in one statement
13 # caused by an ON CONFLICT ROLLBACK clause aborts any other pending
14 # statements.
15 #
16 # $Id: rollback.test,v 1.11 2009/06/26 07:12:07 danielk1977 Exp $
17
18 set testdir [file dirname $argv0]
19 source $testdir/tester.tcl
20
21 set DB [sqlite3_connection_pointer db]
22
23 do_test rollback-1.1 {
24 execsql {
25 CREATE TABLE t1(a);
26 INSERT INTO t1 VALUES(1);
27 INSERT INTO t1 VALUES(2);
28 INSERT INTO t1 VALUES(3);
29 INSERT INTO t1 VALUES(4);
30 SELECT * FROM t1;
31 }
32 } {1 2 3 4}
33
34 ifcapable conflict {
35 do_test rollback-1.2 {
36 execsql {
37 CREATE TABLE t3(a unique on conflict rollback);
38 INSERT INTO t3 SELECT a FROM t1;
39 BEGIN;
40 INSERT INTO t1 SELECT * FROM t1;
41 }
42 } {}
43 }
44 do_test rollback-1.3 {
45 set STMT [sqlite3_prepare $DB "SELECT a FROM t1" -1 TAIL]
46 sqlite3_step $STMT
47 } {SQLITE_ROW}
48
49 ifcapable conflict {
50 # This causes a ROLLBACK, which deletes the table out from underneath the
51 # SELECT statement.
52 #
53 do_test rollback-1.4 {
54 catchsql {
55 INSERT INTO t3 SELECT a FROM t1;
56 }
57 } {1 {column a is not unique}}
58
59 # Try to continue with the SELECT statement
60 #
61 do_test rollback-1.5 {
62 sqlite3_step $STMT
63 } {SQLITE_ERROR}
64
65 # Restart the SELECT statement
66 #
67 do_test rollback-1.6 { sqlite3_reset $STMT } {SQLITE_ABORT}
68 } else {
69 do_test rollback-1.6 { sqlite3_reset $STMT } {SQLITE_OK}
70 }
71
72 do_test rollback-1.7 {
73 sqlite3_step $STMT
74 } {SQLITE_ROW}
75 do_test rollback-1.8 {
76 sqlite3_step $STMT
77 } {SQLITE_ROW}
78 do_test rollback-1.9 {
79 sqlite3_finalize $STMT
80 } {SQLITE_OK}
81
82 set permutation ""
83 catch {set permutation $::permutations_test_prefix}
84 if {$tcl_platform(platform) == "unix"
85 && $permutation ne "onefile"
86 && $permutation ne "inmemory_journal"
87 } {
88 do_test rollback-2.1 {
89 execsql {
90 BEGIN;
91 INSERT INTO t3 VALUES('hello world');
92 }
93 file copy -force test.db testA.db
94 file copy -force test.db-journal testA.db-journal
95 execsql {
96 COMMIT;
97 }
98 } {}
99
100 # At this point files testA.db and testA.db-journal are present in the
101 # file system. This block adds a master-journal file pointer to the
102 # end of testA.db-journal. The master-journal file does not exist.
103 #
104 set mj [file normalize testA.db-mj-123]
105 binary scan $mj c* a
106 set cksum 0
107 foreach i $a { incr cksum $i }
108 set mj_pgno [expr $sqlite_pending_byte / 1024]
109 set zAppend [binary format Ia*IIa8 $mj_pgno $mj [string length $mj] $cksum \
110 "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7"
111 ]
112 set iOffset [expr (([file size testA.db-journal] + 511)/512)*512]
113 set fd [open testA.db-journal a+]
114 fconfigure $fd -encoding binary -translation binary
115 seek $fd $iOffset
116 puts -nonewline $fd $zAppend
117
118 # Also, fix the first journal-header in the journal-file. Because the
119 # journal file has not yet been synced, the 8-byte magic string at the
120 # start of the first journal-header has not been written by SQLite.
121 # So write it now.
122 seek $fd 0
123 puts -nonewline $fd "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7"
124 close $fd
125
126 # Open a handle on testA.db and use it to query the database. At one
127 # point the first query would attempt a hot rollback, attempt to open
128 # the master-journal file and return SQLITE_CANTOPEN when it could not
129 # be opened. This is incorrect, it should simply delete the journal
130 # file and proceed with the query.
131 #
132 do_test rollback-2.2 {
133 sqlite3 db2 testA.db
134 execsql {
135 SELECT distinct tbl_name FROM sqlite_master;
136 } db2
137 } {t1 t3}
138 if {[lsearch {exclusive persistent_journal no_journal} $permutation]<0} {
139 do_test rollback-2.3 {
140 file exists testA.db-journal
141 } 0
142 }
143 do_test rollback-2.4 {
144 execsql {
145 SELECT distinct tbl_name FROM sqlite_master;
146 } db2
147 } {t1 t3}
148
149 db2 close
150 }
151
152 finish_test
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