Index: third_party/sqlite/sqlite-src-3070603/test/pcache.test |
diff --git a/third_party/sqlite/sqlite-src-3070603/test/pcache.test b/third_party/sqlite/sqlite-src-3070603/test/pcache.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5dc3059c44834cfbe02049f5d51df1e18d9a39c8 |
--- /dev/null |
+++ b/third_party/sqlite/sqlite-src-3070603/test/pcache.test |
@@ -0,0 +1,181 @@ |
+# 2008 August 29 |
+# |
+# 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: pcache.test,v 1.5 2009/05/08 06:52:48 danielk1977 Exp $ |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+ |
+# Do not use a codec for tests in this file, as the database file is |
+# manipulated directly using tcl scripts (using the [hexio_write] command). |
+# |
+do_not_use_codec |
+ |
+# Only works with a mode-2 pcache where all pcaches share a single set |
+# of pages. |
+# |
+ifcapable {!memorymanage && threadsafe} { |
+ finish_test |
+ return |
+} |
+ |
+# The pcache module limits the number of pages available to purgeable |
+# caches to the sum of the 'cache_size' values for the set of open |
+# caches. This block of tests, pcache-1.*, test that the library behaves |
+# corrctly when it is forced to exceed this limit. |
+# |
+do_test pcache-1.1 { |
+ db close |
+ pcache_stats |
+} {current 0 max 0 min 0 recyclable 0} |
+ |
+do_test pcache-1.2 { |
+ sqlite3 db test.db |
+ execsql { |
+ PRAGMA cache_size=12; |
+ PRAGMA auto_vacuum=0; |
+ } |
+ pcache_stats |
+} {current 1 max 12 min 10 recyclable 1} |
+ |
+do_test pcache-1.3 { |
+ execsql { |
+ BEGIN; |
+ CREATE TABLE t1(a, b, c); |
+ CREATE TABLE t2(a, b, c); |
+ CREATE TABLE t3(a, b, c); |
+ CREATE TABLE t4(a, b, c); |
+ CREATE TABLE t5(a, b, c); |
+ } |
+ pcache_stats |
+} {current 6 max 12 min 10 recyclable 0} |
+ |
+do_test pcache-1.4 { |
+ execsql { |
+ CREATE TABLE t6(a, b, c); |
+ CREATE TABLE t7(a, b, c); |
+ CREATE TABLE t8(a, b, c); |
+ CREATE TABLE t9(a, b, c); |
+ } |
+ pcache_stats |
+} {current 10 max 12 min 10 recyclable 0} |
+ |
+do_test pcache-1.5 { |
+ sqlite3 db2 test.db |
+ execsql "PRAGMA cache_size=10" db2 |
+ pcache_stats |
+} {current 11 max 22 min 20 recyclable 1} |
+ |
+do_test pcache-1.6.1 { |
+ execsql { |
+ BEGIN; |
+ SELECT * FROM sqlite_master; |
+ } db2 |
+ pcache_stats |
+} {current 11 max 22 min 20 recyclable 0} |
+ |
+# At this point connection db2 has a read lock on the database file and a |
+# single pinned page in its cache. Connection [db] is holding 10 dirty |
+# pages. It cannot recycle them because of the read lock held by db2. |
+# |
+do_test pcache-1.6.2 { |
+ execsql { |
+ CREATE INDEX i1 ON t1(a, b); |
+ CREATE INDEX i2 ON t2(a, b); |
+ CREATE INDEX i3 ON t3(a, b); |
+ CREATE INDEX i4 ON t4(a, b); |
+ CREATE INDEX i5 ON t5(a, b); |
+ CREATE INDEX i6 ON t6(a, b); |
+ CREATE INDEX i7 ON t7(a, b); |
+ CREATE INDEX i8 ON t8(a, b); |
+ CREATE INDEX i9 ON t9(a, b); |
+ CREATE INDEX i10 ON t9(a, b); |
+ CREATE INDEX i11 ON t9(a, b); |
+ } |
+ pcache_stats |
+} {current 23 max 22 min 20 recyclable 0} |
+ |
+do_test pcache-1.7 { |
+ execsql { |
+ CREATE TABLE t10(a, b, c); |
+ } |
+ pcache_stats |
+} {current 24 max 22 min 20 recyclable 0} |
+ |
+# Rolling back the transaction held by db2 at this point releases a pinned |
+# page. Because the number of allocated pages is greater than the |
+# configured maximum, this page should be freed immediately instead of |
+# recycled. |
+# |
+do_test pcache-1.8 { |
+ execsql {ROLLBACK} db2 |
+ pcache_stats |
+} {current 23 max 22 min 20 recyclable 0} |
+ |
+do_test pcache-1.9 { |
+ execsql COMMIT |
+ pcache_stats |
+} {current 22 max 22 min 20 recyclable 22} |
+ |
+do_test pcache-1.10 { |
+ db2 close |
+ pcache_stats |
+} {current 12 max 12 min 10 recyclable 12} |
+ |
+do_test pcache-1.11 { |
+ execsql { PRAGMA cache_size = 20 } |
+ pcache_stats |
+} {current 12 max 20 min 10 recyclable 12} |
+ |
+do_test pcache-1.12 { |
+ execsql { |
+ SELECT * FROM t1 ORDER BY a; SELECT * FROM t1; |
+ SELECT * FROM t2 ORDER BY a; SELECT * FROM t2; |
+ SELECT * FROM t3 ORDER BY a; SELECT * FROM t3; |
+ SELECT * FROM t4 ORDER BY a; SELECT * FROM t4; |
+ SELECT * FROM t5 ORDER BY a; SELECT * FROM t5; |
+ SELECT * FROM t6 ORDER BY a; SELECT * FROM t6; |
+ SELECT * FROM t7 ORDER BY a; SELECT * FROM t7; |
+ SELECT * FROM t8 ORDER BY a; SELECT * FROM t8; |
+ SELECT * FROM t9 ORDER BY a; SELECT * FROM t9; |
+ } |
+ pcache_stats |
+} {current 19 max 20 min 10 recyclable 19} |
+ |
+do_test pcache-1.13 { |
+ execsql { PRAGMA cache_size = 15 } |
+ pcache_stats |
+} {current 15 max 15 min 10 recyclable 15} |
+ |
+do_test pcache-1.14 { |
+ hexio_write test.db 24 [hexio_render_int32 1000] |
+ execsql { SELECT * FROM sqlite_master } |
+ pcache_stats |
+} {current 2 max 15 min 10 recyclable 2} |
+ |
+do_test pcache-1.15 { |
+ execsql { |
+ SELECT * FROM t1 ORDER BY a; SELECT * FROM t1; |
+ SELECT * FROM t2 ORDER BY a; SELECT * FROM t2; |
+ SELECT * FROM t3 ORDER BY a; SELECT * FROM t3; |
+ SELECT * FROM t4 ORDER BY a; SELECT * FROM t4; |
+ SELECT * FROM t5 ORDER BY a; SELECT * FROM t5; |
+ SELECT * FROM t6 ORDER BY a; SELECT * FROM t6; |
+ SELECT * FROM t7 ORDER BY a; SELECT * FROM t7; |
+ SELECT * FROM t8 ORDER BY a; SELECT * FROM t8; |
+ SELECT * FROM t9 ORDER BY a; SELECT * FROM t9; |
+ } |
+ pcache_stats |
+} {current 14 max 15 min 10 recyclable 14} |
+ |
+finish_test |