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Unified Diff: third_party/sqlite/sqlite-src-3080704/test/ovfl.test

Issue 949043002: Add //third_party/sqlite to dirs_to_snapshot, remove net_sql.patch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 10 months ago
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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 $testdir/tester.tcl
+set testprefix ovfl
+
+# Populate table t2:
+#
+# CREATE TABLE t1(c1 TEXT, c2 TEXT);
+#
+# with 2000 rows. In each row, c2 spans multiple overflow pages. The text
+# value of c1 ranges in size from 1 to 2000 bytes. The idea is to create
+# at least one row where the first byte of c2 is also the first byte of
+# an overflow page. This was at one point exposing an obscure bug in the
+# SQLITE_DIRECT_OVERFLOW_READ logic.
+#
+do_test 1.1 {
+ set c2 [string repeat abcdefghij 200]
+ execsql {
+ PRAGMA cache_size = 10;
+ CREATE TABLE t1(c1 TEXT, c2 TEXT);
+ BEGIN;
+ }
+ for {set i 1} {$i <= 2000} {incr i} {
+ set c1 [string repeat . $i]
+ execsql { INSERT INTO t1 VALUES($c1, $c2) }
+ }
+ execsql COMMIT
+} {}
+
+do_execsql_test 1.2 {
+ SELECT sum(length(c2)) FROM t1;
+} [expr 2000 * 2000]
+
+finish_test
+
+
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