--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/sqlite3api/TEST/TclScript/incrblob_err.test	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,137 @@
+# 2007 May 1
+#
+# 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.
+#
+#***********************************************************************
+#
+# $Id: incrblob_err.test,v 1.14 2008/07/18 17:16:27 drh Exp $
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable {!incrblob  || !memdebug || !tclvar} {
+  finish_test
+  return
+}
+
+source $testdir/malloc_common.tcl
+
+unset -nocomplain ::fd ::data
+set ::fd [open [info script]]
+set ::data [read $::fd]
+close $::fd
+
+do_malloc_test 1 -tclprep {
+  set bytes [file size [info script]]
+  execsql {
+    CREATE TABLE blobs(k, v BLOB);
+    INSERT INTO blobs VALUES(1, zeroblob($::bytes));
+  }
+} -tclbody {
+  set ::blob [db incrblob blobs v 1]
+  set rc [catch {puts -nonewline $::blob $::data}]
+  if {$rc} { error "out of memory" }
+} 
+
+do_malloc_test 2 -tclprep {
+  execsql {
+    CREATE TABLE blobs(k, v BLOB);
+    INSERT INTO blobs VALUES(1, $::data);
+  }
+} -tclbody {
+  set ::blob [db incrblob blobs v 1]
+  set rc [catch {set ::r [read $::blob]}]
+  if {$rc} { 
+    error "out of memory" 
+  } elseif {$::r ne $::data} {
+    error "Bad data read..."
+  }
+}
+
+do_malloc_test 3 -tclprep {
+  execsql {
+    CREATE TABLE blobs(k, v BLOB);
+    INSERT INTO blobs VALUES(1, $::data);
+  }
+} -tclbody {
+  set ::blob [db incrblob blobs v 1]
+  set rc [catch {set ::r [read $::blob]}]
+  if {$rc} { 
+    error "out of memory" 
+  } elseif {$::r ne $::data} {
+    error "Bad data read..."
+  }
+  set rc [catch {close $::blob}]
+  if {$rc} { 
+    error "out of memory" 
+  }
+} 
+
+
+do_ioerr_test incrblob_err-4 -cksum 1 -sqlprep {
+  CREATE TABLE blobs(k, v BLOB);
+  INSERT INTO blobs VALUES(1, $::data);
+} -tclbody {
+  set ::blob [db incrblob blobs v 1]
+  read $::blob
+}
+
+do_ioerr_test incrblob_err-5 -cksum 1 -sqlprep {
+  CREATE TABLE blobs(k, v BLOB);
+  INSERT INTO blobs VALUES(1, zeroblob(length(CAST($::data AS BLOB))));
+} -tclbody {
+  set ::blob [db incrblob blobs v 1]
+  puts -nonewline $::blob $::data
+  close $::blob
+}
+
+do_ioerr_test incrblob_err-6 -cksum 1 -sqlprep {
+  CREATE TABLE blobs(k, v BLOB);
+  INSERT INTO blobs VALUES(1, $::data || $::data || $::data);
+} -tclbody {
+  set ::blob [db incrblob blobs v 1]
+  seek $::blob -20 end
+  puts -nonewline $::blob "12345678900987654321"
+  close $::blob
+}
+
+do_ioerr_test incrblob_err-7 -cksum 1 -sqlprep {
+  PRAGMA auto_vacuum = 1;
+  CREATE TABLE blobs(k INTEGER PRIMARY KEY, v BLOB);
+  INSERT INTO blobs VALUES(1, zeroblob(500 * 1020));
+} -tclbody {
+  # Read some data from the end of the large blob inserted into table 
+  # "blobs". This forces the IO error to occur while reading a pointer
+  # map page for the purposes of seeking to the end of the blob.
+  #
+  sqlite3 db2 test.db
+  set ::blob [db2 incrblob blobs v 1]
+  sqlite3_blob_read $::blob [expr 500*1020-20] 20
+  close $::blob
+}
+catch {db2 close}
+
+do_ioerr_test incrblob_err-8 -cksum 1 -sqlprep {
+  PRAGMA auto_vacuum = 1;
+  CREATE TABLE blobs(k INTEGER PRIMARY KEY, v BLOB);
+  INSERT INTO blobs VALUES(1, zeroblob(500 * 1020));
+} -tclbody {
+  # Read some data from the end of the large blob inserted into table 
+  # "blobs". This forces the IO error to occur while reading a pointer
+  # map page for the purposes of seeking to the end of the blob.
+  #
+  sqlite3 db2 test.db
+  set ::blob [db2 incrblob blobs v 1]
+  sqlite3_blob_write $::blob [expr 500*1020-20] 12345678900987654321
+  close $::blob
+}
+
+catch {db2 close}
+
+finish_test