[sql] Import reference version of SQLite 3.17..

third_party/sqlite/sqlite-src-3170000/test/softheap1.test

+# 2007 Aug 10
+#
+# 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 test script reproduces the problem reported by ticket #2565,
+# A database corruption bug that occurs in auto_vacuum mode when
+# the soft_heap_limit is set low enough to be triggered.
+#
+# $Id: softheap1.test,v 1.5 2008/07/08 17:13:59 danielk1977 Exp $
+
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable !integrityck {
+  finish_test
+  return
+}
+
+# EVIDENCE-OF: R-26343-45930 This pragma invokes the
+# sqlite3_soft_heap_limit64() interface with the argument N, if N is
+# specified and is a non-negative integer.
+#
+# EVIDENCE-OF: R-64451-07163 The soft_heap_limit pragma always returns
+# the same integer that would be returned by the
+# sqlite3_soft_heap_limit64(-1) C-language function.
+#
+do_test softheap1-1.0 {
+  execsql {PRAGMA soft_heap_limit}
+} [sqlite3_soft_heap_limit -1]
+do_test softheap1-1.1 {
+  execsql {PRAGMA soft_heap_limit=123456; PRAGMA soft_heap_limit;}
+} {123456 123456}
+do_test softheap1-1.2 {
+  sqlite3_soft_heap_limit -1
+} {123456}
+do_test softheap1-1.3 {
+  execsql {PRAGMA soft_heap_limit(-1); PRAGMA soft_heap_limit;}
+} {123456 123456}
+do_test softheap1-1.4 {
+  execsql {PRAGMA soft_heap_limit(0); PRAGMA soft_heap_limit;}
+} {0 0}
+
+sqlite3_soft_heap_limit 5000
+do_test softheap1-2.0 {
+  execsql {PRAGMA soft_heap_limit}
+} {5000}
+do_test softheap1-2.1 {
+  execsql {
+    PRAGMA auto_vacuum=1;
+    CREATE TABLE t1(x);
+    INSERT INTO t1 VALUES(hex(randomblob(1000)));
+    BEGIN;
+  }
+  execsql {
+    CREATE TABLE t2 AS SELECT * FROM t1;
+  }
+  execsql {
+    ROLLBACK;
+  }
+  execsql {
+    PRAGMA integrity_check;
+  }
+} {ok}
+
+sqlite3_soft_heap_limit $cmdlinearg(soft-heap-limit)
+finish_test