Add new test file vacuummem.test. To test that any temporary memory used by VACUUM is freed as soon as the VACUUM has finished (not, for example, when sqlite3_close() is finally called).

FossilOrigin-Name: 1b1ad0b28c392ade4321734e9b022a545b845b04

manifest

@@ -1,5 +1,5 @@
-C Add\sthe\slargely\suntested\sSQLITE_FTS5_NO_WITHOUT_ROWID\scompile\stime\soption\sto\sfts5.\sFor\sbuilding\sa\sdynamically\sloadable\sextension\sthat\sdoes\snot\suse\sWITHOUT\sROWID.
-D 2016-07-15T19:17:19.168
+C Add\snew\stest\sfile\svacuummem.test.\sTo\stest\sthat\sany\stemporary\smemory\sused\sby\sVACUUM\sis\sfreed\sas\ssoon\sas\sthe\sVACUUM\shas\sfinished\s(not,\sfor\sexample,\swhen\ssqlite3_close()\sis\sfinally\scalled).
+D 2016-07-21T16:43:54.563
 F Makefile.in 6c20d44f72d4564f11652b26291a214c8367e5db
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc d66d0395c38571aab3804f8db0fa20707ae4609a
@@ -1323,6 +1323,7 @@ F test/vacuum.test ce91c39f7f91a4273bf620efad21086b5aa6ef1d
 F test/vacuum2.test aa048abee196c16c9ba308465494009057b79f9b
 F test/vacuum3.test 77ecdd54592b45a0bcb133339f99f1ae0ae94d0d
 F test/vacuum4.test d3f8ecff345f166911568f397d2432c16d2867d9
+F test/vacuummem.test 09c8b72a12405649ed84564367dad729bff88760
 F test/varint.test ab7b110089a08b9926ed7390e7e97bdefeb74102
 F test/veryquick.test 57ab846bacf7b90cf4e9a672721ea5c5b669b661
 F test/view.test 765802c7a66d37fabd5ac8e2f2dbe572b43eb9ab
@@ -1505,7 +1506,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P ec7180892ac737f0731cf61f2d095a5c1d18ad93
-R e7e67692a9bf28fabbef5b90b609823b
+P d0a1cf1c56c237617fb73cb31f4950365b1f3e9b
+R c861801c1aa1bd5e3e0533101c0a9583
 U dan
-Z 6e92686cc60df8d9ecf6a38e315fe4e5
+Z 9b35e9b2fd0052d524acf36a9f5b4f2b

manifest.uuid

@@ -1 +1 @@
-d0a1cf1c56c237617fb73cb31f4950365b1f3e9b
+1b1ad0b28c392ade4321734e9b022a545b845b04

test/vacuummem.test

@@ -0,0 +1,54 @@
+# 2005 February 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 implements regression tests for SQLite library.  The
+# focus of this file is testing that the VACUUM statement correctly
+# frees any memory used for a temporary cache.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix vacuummem
+
+proc memory_used {} { 
+  set stat [sqlite3_status SQLITE_STATUS_MEMORY_USED 1]  
+  lindex $stat 1
+}
+
+do_execsql_test 1.0 {
+  PRAGMA cache_size = -2000;
+  CREATE TABLE t1(a, b, c);
+
+  WITH r(i) AS (
+    SELECT 1 UNION ALL SELECT i+1 FROM r WHERE i<100000
+  )
+  INSERT INTO t1 SELECT randomblob(100),randomblob(100),randomblob(100) FROM r;
+
+  CREATE INDEX t1a ON t1(a);
+  CREATE INDEX t1b ON t1(b);
+  CREATE INDEX t1c ON t1(c);
+}
+
+do_test 1.1 { memory_used } {#/2300000/}
+
+do_execsql_test 1.2 VACUUM
+
+do_test 1.3 { memory_used } {#/2300000/}
+
+do_execsql_test 1.4 {
+  SELECT count(*) FROM t1 WHERE +a IS NOT NULL
+} {100000}
+
+do_test 1.5 { memory_used } {#/2300000/}
+
+
+
+finish_test
+