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diff --git a/test/capi3e.test b/test/capi3e.test
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+# 2010 Novemeber 18
+#
+# 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 script testing the callback-free C/C++ API.
+#
+# $Id: capi3e.test,v 1.70 2009/01/09 02:49:32 drh Exp $
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# Make sure the system encoding is utf-8. Otherwise, if the system encoding
+# is other than utf-8, [file isfile $x] may not refer to the same file
+# as [sqlite3 db $x].
+#
+# This is no longer needed here because it should be done within the test
+# fixture executable itself, via Tcl_SetSystemEncoding.
+#
+# encoding system utf-8
+
+# 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
+
+# Return the UTF-16 representation of the supplied UTF-8 string $str.
+# If $nt is true, append two 0x00 bytes as a nul terminator.
+proc utf16 {str {nt 1}} {
+  set r [encoding convertto unicode $str]
+  if {$nt} {
+    append r "\x00\x00"
+  }
+  return $r
+}
+
+# Return the UTF-8 representation of the supplied UTF-16 string $str. 
+proc utf8 {str} {
+  # If $str ends in two 0x00 0x00 bytes, knock these off before
+  # converting to UTF-8 using TCL.
+  binary scan $str \c* vals
+  if {[lindex $vals end]==0 && [lindex $vals end-1]==0} {
+    set str [binary format \c* [lrange $vals 0 end-2]]
+  }
+
+  set r [encoding convertfrom unicode $str]
+  return $r
+}
+
+# These tests complement those in capi2.test. They are organized
+# as follows:
+#
+# capi3e-1.*: Test sqlite3_open with various UTF8 filenames
+# capi3e-2.*: Test sqlite3_open16 with various UTF8 filenames
+# capi3e-3.*: Test ATTACH with various UTF8 filenames
+
+db close
+
+# here's the list of file names we're testing
+set names {t 1 t. 1. t.d 1.d t-1 1-1 t.db ä.db ë.db ö.db ü.db ÿ.db}
+
+set i 0
+foreach name $names {
+  incr i
+  do_test capi3e-1.1.$i {
+    set db2 [sqlite3_open $name {}]
+    sqlite3_errcode $db2
+  } {SQLITE_OK}
+  do_test capi3e-1.2.$i {
+    sqlite3_close $db2
+  } {SQLITE_OK}
+  do_test capi3e-1.3.$i {
+    file isfile $name
+  } {1}
+}
+
+ifcapable {utf16} {
+  set i 0
+  foreach name $names {
+    incr i
+    do_test capi3e-2.1.$i {
+      set db2 [sqlite3_open16 [utf16 $name] {}]
+      sqlite3_errcode $db2
+    } {SQLITE_OK}
+    do_test capi3e-2.2.$i {
+      sqlite3_close $db2
+    } {SQLITE_OK}
+    do_test capi3e-2.3.$i {
+      file isfile $name
+    } {1}
+  }
+}
+
+ifcapable attach {
+  do_test capi3e-3.1 {
+    sqlite3 db2 base.db
+  } {}
+  set i 0
+  foreach name $names {
+    incr i
+    do_test capi3e-3.2.$i {
+      db2 eval "ATTACH DATABASE '$name' AS db$i;"
+    } {}
+    do_test capi3e-3.3.$i {
+      db2 eval "DETACH DATABASE db$i;"
+    } {}
+  }
+  do_test capi3e-3.4 {
+    db2 close
+  } {}
+}
+
+# clean up
+forcedelete base.db
+foreach name $names {
+  forcedelete $name
+}
+
+finish_test