summaryrefslogtreecommitdiffstats
path: root/test/cachespill.test
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:28:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:28:19 +0000
commit18657a960e125336f704ea058e25c27bd3900dcb (patch)
tree17b438b680ed45a996d7b59951e6aa34023783f2 /test/cachespill.test
parentInitial commit. (diff)
downloadsqlite3-18657a960e125336f704ea058e25c27bd3900dcb.tar.xz
sqlite3-18657a960e125336f704ea058e25c27bd3900dcb.zip
Adding upstream version 3.40.1.upstream/3.40.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/cachespill.test')
-rw-r--r--test/cachespill.test77
1 files changed, 77 insertions, 0 deletions
diff --git a/test/cachespill.test b/test/cachespill.test
new file mode 100644
index 0000000..0692513
--- /dev/null
+++ b/test/cachespill.test
@@ -0,0 +1,77 @@
+# 2017 April 26
+#
+# 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.
+#
+#***********************************************************************
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix cachespill
+
+ifcapable !pager_pragmas {
+ finish_test
+ return
+}
+
+#-------------------------------------------------------------------------
+# Test that "PRAGMA cache_spill = 0" completely disables cache spilling.
+#
+do_execsql_test 1.1 {
+ PRAGMA auto_vacuum = 0;
+ PRAGMA page_size = 1024;
+ PRAGMA cache_size = 100;
+ CREATE TABLE t1(a);
+}
+
+do_test 1.2 {
+ file size test.db
+} {2048}
+
+do_test 1.3 {
+ execsql {
+ BEGIN;
+ WITH s(i) AS (
+ SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<200
+ ) INSERT INTO t1 SELECT randomblob(900) FROM s;
+ }
+ expr {[file size test.db] > 50000}
+} {1}
+
+do_test 1.4 {
+ execsql ROLLBACK
+ file size test.db
+} {2048}
+
+do_test 1.5 {
+ execsql {
+ PRAGMA cache_spill = 0;
+ BEGIN;
+ WITH s(i) AS (
+ SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<200
+ ) INSERT INTO t1 SELECT randomblob(900) FROM s;
+ }
+ file size test.db
+} {2048}
+
+do_test 1.5 {
+ execsql {
+ ROLLBACK;
+ PRAGMA cache_spill = 1;
+ BEGIN;
+ WITH s(i) AS (
+ SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<200
+ ) INSERT INTO t1 SELECT randomblob(900) FROM s;
+ }
+ expr {[file size test.db] > 50000}
+} {1}
+
+do_execsql_test 1.6 { ROLLBACK }
+
+
+finish_test