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| 1 # 2013 March 20 | |
| 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 # | |
| 12 # This file tests the effect of the mmap() or mremap() system calls | |
| 13 # returning an error on the library. | |
| 14 # | |
| 15 # If either mmap() or mremap() fails, SQLite should log an error | |
| 16 # message, then continue accessing the database using read() and | |
| 17 # write() exclusively. | |
| 18 # | |
| 19 | |
| 20 set testdir [file dirname $argv0] | |
| 21 source $testdir/tester.tcl | |
| 22 set testprefix mmap2 | |
| 23 | |
| 24 if {$::tcl_platform(platform)!="unix" || [test_syscall defaultvfs] != "unix"} { | |
| 25 finish_test | |
| 26 return | |
| 27 } | |
| 28 ifcapable !mmap { | |
| 29 finish_test | |
| 30 return | |
| 31 } | |
| 32 | |
| 33 db close | |
| 34 sqlite3_shutdown | |
| 35 test_sqlite3_log xLog | |
| 36 proc xLog {error_code msg} { | |
| 37 if {[string match os_unix.c* $msg]} { | |
| 38 lappend ::log $msg | |
| 39 } | |
| 40 } | |
| 41 | |
| 42 foreach syscall {mmap mremap} { | |
| 43 test_syscall uninstall | |
| 44 if {[catch {test_syscall install $syscall}]} continue | |
| 45 | |
| 46 for {set i 1} {$i < 20} {incr i} { | |
| 47 reset_db | |
| 48 execsql { PRAGMA mmap_size = 8000000 } | |
| 49 | |
| 50 test_syscall fault $i 1 | |
| 51 test_syscall errno $syscall ENOMEM | |
| 52 set ::log "" | |
| 53 | |
| 54 do_execsql_test 1.$syscall.$i.1 { | |
| 55 CREATE TABLE t1(a, b, UNIQUE(a, b)); | |
| 56 INSERT INTO t1 VALUES(randomblob(1000), randomblob(1000)); | |
| 57 INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1; | |
| 58 INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1; | |
| 59 INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1; | |
| 60 INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1; | |
| 61 INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1; | |
| 62 INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1; | |
| 63 } | |
| 64 | |
| 65 set nFail [test_syscall fault 0 0] | |
| 66 | |
| 67 do_execsql_test 1.$syscall.$i.2 { | |
| 68 SELECT count(*) FROM t1; | |
| 69 PRAGMA integrity_check; | |
| 70 } {64 ok} | |
| 71 | |
| 72 do_test 1.$syscall.$i.3 { | |
| 73 expr {$nFail==0 || $nFail==1} | |
| 74 } {1} | |
| 75 | |
| 76 do_test 1.$syscall.$i.4.nFail=$nFail { | |
| 77 regexp ".*${syscall}.*" $::log | |
| 78 } [expr $nFail>0] | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 db close | |
| 83 test_syscall uninstall | |
| 84 sqlite3_shutdown | |
| 85 test_sqlite3_log | |
| 86 sqlite3_initialize | |
| 87 finish_test | |
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Chromium Code Reviews
Issue 2363173002:
[sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
