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author | Jan Mercl <0xjnml@gmail.com> | 2020-07-26 22:36:18 +0200 |
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committer | Jan Mercl <0xjnml@gmail.com> | 2020-07-26 22:36:18 +0200 |
commit | b406626c64313ae348996c243a0a05d3f6ed2c3c (patch) | |
tree | 0eaae4fa6348b150568725e6f2ec0b4c4203b5f8 /testdata/tcl/mmap2.test | |
parent | d8d9f40ce80062793349c0ea47520b6878312f4a (diff) |
release v1.4.0-beta1v1.4.0-beta1
Diffstat (limited to 'testdata/tcl/mmap2.test')
-rw-r--r-- | testdata/tcl/mmap2.test | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/testdata/tcl/mmap2.test b/testdata/tcl/mmap2.test new file mode 100644 index 0000000..1f8346b --- /dev/null +++ b/testdata/tcl/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 |