Index: third_party/sqlite/sqlite-src-3080704/test/walcrash3.test |
diff --git a/third_party/sqlite/sqlite-src-3080704/test/walcrash3.test b/third_party/sqlite/sqlite-src-3080704/test/walcrash3.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..71dfb4555a6c53bc63b22ca19518a6fc30055fe4 |
--- /dev/null |
+++ b/third_party/sqlite/sqlite-src-3080704/test/walcrash3.test |
@@ -0,0 +1,128 @@ |
+# 2011 December 16 |
+# |
+# The author disclaims copyright to this source code. In place of |
+# a legal notice, here is a blessing: |
+# |
+# May you do good and not evil. |
+# May you find forgiveness for yourself and forgive others. |
+# May you share freely, never taking more than you give. |
+# |
+#*********************************************************************** |
+# |
+# This test simulates an application crash immediately following a |
+# system call to truncate a file. Specifically, the system call that |
+# truncates the WAL file if "PRAGMA journal_size_limit" is configured. |
+# |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+ |
+ifcapable !wal {finish_test ; return } |
+set testprefix walcrash3 |
+ |
+db close |
+testvfs tvfs |
+tvfs filter {xTruncate xWrite} |
+tvfs script tvfs_callback |
+proc tvfs_callback {args} {} |
+ |
+sqlite3 db test.db -vfs tvfs |
+do_execsql_test 1.1 { |
+ PRAGMA page_size = 1024; |
+ PRAGMA journal_mode = WAL; |
+ PRAGMA wal_autocheckpoint = 128; |
+ PRAGMA journal_size_limit = 16384; |
+ |
+ CREATE TABLE t1(a BLOB, b BLOB, UNIQUE(a, b)); |
+ INSERT INTO t1 VALUES(randomblob(10), randomblob(1000)); |
+} {wal 128 16384} |
+ |
+proc tvfs_callback {method file arglist} { |
+ if {$::state==1} { |
+ foreach f [glob -nocomplain xx_test.*] { forcedelete $f } |
+ foreach f [glob -nocomplain test.*] { forcecopy $f "xx_$f" } |
+ set ::state 2 |
+ } |
+ if {$::state==0 && $method=="xTruncate" && [file tail $file]=="test.db-wal"} { |
+ set ::state 1 |
+ } |
+} |
+ |
+for {set i 2} {$i<1000} {incr i} { |
+ |
+ # If the WAL file is truncated within the following, within the following |
+ # xWrite call the [tvfs_callback] makes a copy of the database and WAL |
+ # files set sets $::state to 2. So that the copied files are in the same |
+ # state as the real database and WAL files would be if an application crash |
+ # occurred immediately following the xTruncate(). |
+ # |
+ set ::state 0 |
+ do_execsql_test 1.$i.1 { |
+ INSERT INTO t1 VALUES(randomblob(10), randomblob(1000)); |
+ } |
+ |
+ # If a copy was made, open it and run the integrity-check. |
+ # |
+ if {$::state==2} { |
+ sqlite3 db2 xx_test.db |
+ do_test 1.$i.2 { execsql { PRAGMA integrity_check } db2 } "ok" |
+ do_test 1.$i.3 { execsql { SELECT count(*) FROM t1 } db2 } [expr $i-1] |
+ db2 close |
+ } |
+} |
+catch { db close } |
+tvfs delete |
+ |
+#-------------------------------------------------------------------------- |
+# |
+catch { db close } |
+forcedelete test.db |
+ |
+do_test 2.1 { |
+ sqlite3 db test.db |
+ execsql { |
+ PRAGMA page_size = 512; |
+ PRAGMA journal_mode = WAL; |
+ PRAGMA wal_autocheckpoint = 128; |
+ CREATE TABLE t1(a PRIMARY KEY, b); |
+ INSERT INTO t1 VALUES(randomblob(25), randomblob(200)); |
+ } |
+ |
+ for {set i 0} {$i < 1500} {incr i} { |
+ execsql { INSERT INTO t1 VALUES(randomblob(25), randomblob(200)) } |
+ } |
+ |
+ db_save |
+ db close |
+} {} |
+ |
+set nInitialErr [set_test_counter errors] |
+for {set i 2} {$i<10000 && [set_test_counter errors]==$nInitialErr} {incr i} { |
+ |
+ do_test 2.$i.1 { |
+ catch { db close } |
+ db_restore |
+ crashsql -delay 2 -file test.db-wal -seed $i { |
+ SELECT * FROM sqlite_master; |
+ PRAGMA synchronous = full; |
+ PRAGMA wal_checkpoint; |
+ BEGIN; |
+ INSERT INTO t1 VALUES(randomblob(26), randomblob(200)); |
+ INSERT INTO t1 VALUES(randomblob(26), randomblob(200)); |
+ INSERT INTO t1 VALUES(randomblob(26), randomblob(200)); |
+ INSERT INTO t1 VALUES(randomblob(26), randomblob(200)); |
+ INSERT INTO t1 VALUES(randomblob(26), randomblob(200)); |
+ INSERT INTO t1 VALUES(randomblob(26), randomblob(200)); |
+ INSERT INTO t1 VALUES(randomblob(26), randomblob(200)); |
+ INSERT INTO t1 VALUES(randomblob(26), randomblob(200)); |
+ COMMIT; |
+ } |
+ } {1 {child process exited abnormally}} |
+ |
+ do_test 2.$i.2 { |
+ sqlite3 db test.db |
+ execsql { PRAGMA integrity_check } |
+ } {ok} |
+} |
+ |
+finish_test |