vendor/sqlite3/sqlite-3370100

1 files changed, 76 insertions, 0 deletions

diff --git a/test/mmapfault.test b/test/mmapfault.test
new file mode 100644
index 000000000000..10c5e258b808
--- /dev/null
+++ b/test/mmapfault.test
@@ -0,0 +1,76 @@
+# 2013-05-23
+#
+# 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
+source $testdir/malloc_common.tcl
+ifcapable !mmap {
+  finish_test
+  return
+}
+set testprefix mmapfault
+
+set a_string_counter 1
+proc a_string {n} {
+  global a_string_counter
+  incr a_string_counter
+  string range [string repeat "${a_string_counter}." $n] 1 $n
+}
+db func a_string a_string
+
+do_test 1-pre {
+  execsql {
+    CREATE TABLE t1(a UNIQUE, b UNIQUE);
+    INSERT INTO t1 VALUES(a_string(200), a_string(300));
+    INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1;
+    INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1;
+  }
+  faultsim_save_and_close
+} {}
+
+
+do_faultsim_test 1 -prep {
+  faultsim_restore_and_reopen
+  db func a_string a_string
+  execsql {
+    PRAGMA mmap_size = 1000000;
+    PRAGMA cache_size = 5;
+    BEGIN;
+      INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1;
+      INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1;
+      INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1;
+      INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1;
+  }
+} -body {
+  execsql { INSERT INTO t1 VALUES(a_string(200), a_string(300)) }
+} -test {
+  faultsim_test_result {0 {}} 
+
+  if {[sqlite3_get_autocommit db]} {
+    sqlite3 db2 test.db
+    set nRow [db2 one {SELECT count(*) FROM t1}]
+    if {$nRow!=4} { error "Database content appears incorrect (1)" }
+    db2 close
+  }
+
+  execsql { INSERT INTO t1 VALUES(a_string(201), a_string(301)) }
+  set nRow [db one {SELECT count(*) FROM t1}]
+  if {$nRow!=5 && $nRow!=66 && $nRow!=65} { 
+    error "Database content appears incorrect (2) ($nRow)" 
+  }
+
+  catch { execsql COMMIT }
+}
+
+
+
+finish_test