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Diffstat (limited to 'test/bigfile2.test')
-rw-r--r-- | test/bigfile2.test | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/test/bigfile2.test b/test/bigfile2.test new file mode 100644 index 0000000..de3b14b --- /dev/null +++ b/test/bigfile2.test @@ -0,0 +1,62 @@ +# 2011 December 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 implements regression tests for SQLite library. The +# focus of this script testing the ability of SQLite to handle database +# files larger than 4GB. +# + +if {[file exists skip-big-file]} return +if {$tcl_platform(os)=="Darwin"} return + +set testdir [file dirname $argv0] +source $testdir/tester.tcl +set testprefix bigfile2 + +# Create a small database. +# +do_execsql_test 1.1 { + CREATE TABLE t1(a, b); + INSERT INTO t1 VALUES(1, 2); +} + +# Pad the file out to 4GB in size. Then clear the file-size field in the +# db header. This will cause SQLite to assume that the first 4GB of pages +# are actually in use and new pages will be appended to the file. +# +db close +if {[catch {fake_big_file 4096 [get_pwd]/test.db} msg]} { + puts "**** Unable to create a file larger than 4096 MB. *****" + finish_test + return +} +hexio_write test.db 28 00000000 + +do_test 1.2 { + file size test.db +} [expr 14 + 4096 * (1<<20)] + +# Now insert a large row. The overflow pages will be located past the 4GB +# boundary. Then, after opening and closing the database, test that the row +# can be read back in. +# +set str [string repeat k 30000] +do_test 1.3 { + sqlite3 db test.db + execsql { INSERT INTO t1 VALUES(3, $str) } + db close + sqlite3 db test.db + db one { SELECT b FROM t1 WHERE a = 3 } +} $str + +db close +delete_file test.db + +finish_test |