| Index: third_party/sqlite/sqlite-src-3080704/test/ovfl.test
|
| diff --git a/third_party/sqlite/sqlite-src-3080704/test/ovfl.test b/third_party/sqlite/sqlite-src-3080704/test/ovfl.test
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..075b1e43dd01e2c24518902d5e8784cf4cc0c5ba
|
| --- /dev/null
|
| +++ b/third_party/sqlite/sqlite-src-3080704/test/ovfl.test
|
| @@ -0,0 +1,49 @@
|
| +# 2014 October 01
|
| +#
|
| +# 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 file is testing the SQLITE_DIRECT_OVERFLOW_READ logic.
|
| +#
|
| +
|
| +set testdir [file dirname $argv0]
|
| +source $testdir/tester.tcl
|
| +set testprefix ovfl
|
| +
|
| +# Populate table t2:
|
| +#
|
| +# CREATE TABLE t1(c1 TEXT, c2 TEXT);
|
| +#
|
| +# with 2000 rows. In each row, c2 spans multiple overflow pages. The text
|
| +# value of c1 ranges in size from 1 to 2000 bytes. The idea is to create
|
| +# at least one row where the first byte of c2 is also the first byte of
|
| +# an overflow page. This was at one point exposing an obscure bug in the
|
| +# SQLITE_DIRECT_OVERFLOW_READ logic.
|
| +#
|
| +do_test 1.1 {
|
| + set c2 [string repeat abcdefghij 200]
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| + execsql {
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| + PRAGMA cache_size = 10;
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| + CREATE TABLE t1(c1 TEXT, c2 TEXT);
|
| + BEGIN;
|
| + }
|
| + for {set i 1} {$i <= 2000} {incr i} {
|
| + set c1 [string repeat . $i]
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| + execsql { INSERT INTO t1 VALUES($c1, $c2) }
|
| + }
|
| + execsql COMMIT
|
| +} {}
|
| +
|
| +do_execsql_test 1.2 {
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| + SELECT sum(length(c2)) FROM t1;
|
| +} [expr 2000 * 2000]
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| +
|
| +finish_test
|
| +
|
| +
|
|
|