Index: third_party/sqlite/sqlite-src-3080704/test/pcache2.test |
diff --git a/third_party/sqlite/sqlite-src-3080704/test/pcache2.test b/third_party/sqlite/sqlite-src-3080704/test/pcache2.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..77e7a2613273030c10ba4a76e0825804444d3f8b |
--- /dev/null |
+++ b/third_party/sqlite/sqlite-src-3080704/test/pcache2.test |
@@ -0,0 +1,79 @@ |
+# 2008 September 15 |
+# |
+# 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 is focused on testing the pcache module. |
+# |
+# $Id: pcache2.test,v 1.5 2009/07/18 14:36:24 danielk1977 Exp $ |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+ |
+# Set up a pcache memory pool so that we can easily track how many |
+# pages are being used for cache. |
+# |
+do_test pcache2-1.1 { |
+ db close |
+ sqlite3_reset_auto_extension |
+ sqlite3_shutdown |
+ sqlite3_config_pagecache 6000 100 |
+ sqlite3_initialize |
+ autoinstall_test_functions |
+ sqlite3_status SQLITE_STATUS_PAGECACHE_USED 1 |
+ sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0 |
+} {0 0 0} |
+ |
+# Open up two database connections to separate files. |
+# |
+do_test pcache2-1.2 { |
+ forcedelete test.db test.db-journal |
+ sqlite3 db test.db |
+ db eval {PRAGMA cache_size=10} |
+ lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1 |
+} {2} |
+do_test pcache2-1.3 { |
+ forcedelete test2.db test2.db-journal |
+ sqlite3 db2 test2.db |
+ db2 eval {PRAGMA cache_size=50} |
+ lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 1 |
+} {4} |
+ |
+ |
+# Make lots of changes on the first connection. Verify that the |
+# page cache usage does not grow to consume the page space set aside |
+# for the second connection. |
+# |
+do_test pcache2-1.4 { |
+ db eval { |
+ CREATE TABLE t1(a,b); |
+ CREATE TABLE t2(x,y); |
+ INSERT INTO t1 VALUES(1, zeroblob(800)); |
+ INSERT INTO t1 VALUES(2, zeroblob(800)); |
+ INSERT INTO t2 SELECT * FROM t1; |
+ INSERT INTO t1 SELECT x+2, y FROM t2; |
+ INSERT INTO t2 SELECT a+10, b FROM t1; |
+ INSERT INTO t1 SELECT x+10, y FROM t2; |
+ INSERT INTO t2 SELECT a+100, b FROM t1; |
+ INSERT INTO t1 SELECT x+100, y FROM t2; |
+ INSERT INTO t2 SELECT a+1000, b FROM t1; |
+ INSERT INTO t1 SELECT x+1000, y FROM t2; |
+ } |
+ sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0 |
+} {0 13 13} |
+ |
+db close |
+catch {db2 close} |
+sqlite3_reset_auto_extension |
+sqlite3_shutdown |
+sqlite3_config_pagecache 0 0 |
+sqlite3_initialize |
+autoinstall_test_functions |
+ |
+finish_test |