Index: third_party/sqlite/src/test/mmap2.test |
diff --git a/third_party/sqlite/src/test/mmap2.test b/third_party/sqlite/src/test/mmap2.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..1f8346b915eac5b29d5d4a51d27bf9d793ec2bc0 |
--- /dev/null |
+++ b/third_party/sqlite/src/test/mmap2.test |
@@ -0,0 +1,87 @@ |
+# 2013 March 20 |
+# |
+# 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 file tests the effect of the mmap() or mremap() system calls |
+# returning an error on the library. |
+# |
+# If either mmap() or mremap() fails, SQLite should log an error |
+# message, then continue accessing the database using read() and |
+# write() exclusively. |
+# |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+set testprefix mmap2 |
+ |
+if {$::tcl_platform(platform)!="unix" || [test_syscall defaultvfs] != "unix"} { |
+ finish_test |
+ return |
+} |
+ifcapable !mmap { |
+ finish_test |
+ return |
+} |
+ |
+db close |
+sqlite3_shutdown |
+test_sqlite3_log xLog |
+proc xLog {error_code msg} { |
+ if {[string match os_unix.c* $msg]} { |
+ lappend ::log $msg |
+ } |
+} |
+ |
+foreach syscall {mmap mremap} { |
+ test_syscall uninstall |
+ if {[catch {test_syscall install $syscall}]} continue |
+ |
+ for {set i 1} {$i < 20} {incr i} { |
+ reset_db |
+ execsql { PRAGMA mmap_size = 8000000 } |
+ |
+ test_syscall fault $i 1 |
+ test_syscall errno $syscall ENOMEM |
+ set ::log "" |
+ |
+ do_execsql_test 1.$syscall.$i.1 { |
+ CREATE TABLE t1(a, b, UNIQUE(a, b)); |
+ INSERT INTO t1 VALUES(randomblob(1000), randomblob(1000)); |
+ INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1; |
+ INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1; |
+ INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1; |
+ INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1; |
+ INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1; |
+ INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1; |
+ } |
+ |
+ set nFail [test_syscall fault 0 0] |
+ |
+ do_execsql_test 1.$syscall.$i.2 { |
+ SELECT count(*) FROM t1; |
+ PRAGMA integrity_check; |
+ } {64 ok} |
+ |
+ do_test 1.$syscall.$i.3 { |
+ expr {$nFail==0 || $nFail==1} |
+ } {1} |
+ |
+ do_test 1.$syscall.$i.4.nFail=$nFail { |
+ regexp ".*${syscall}.*" $::log |
+ } [expr $nFail>0] |
+ } |
+} |
+ |
+db close |
+test_syscall uninstall |
+sqlite3_shutdown |
+test_sqlite3_log |
+sqlite3_initialize |
+finish_test |