| Index: third_party/sqlite/src/test/utf16align.test
|
| diff --git a/third_party/sqlite/src/test/utf16align.test b/third_party/sqlite/src/test/utf16align.test
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..f026d9575db73bd222185b9c423f538147126810
|
| --- /dev/null
|
| +++ b/third_party/sqlite/src/test/utf16align.test
|
| @@ -0,0 +1,95 @@
|
| +# 2006 February 16
|
| +#
|
| +# 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 contains code to verify that the SQLITE_UTF16_ALIGNED
|
| +# flag passed into the sqlite3_create_collation() function insures
|
| +# that all strings passed to that function are aligned on an even
|
| +# byte boundary.
|
| +#
|
| +# $Id: utf16align.test,v 1.2 2008/11/07 03:29:34 drh Exp $
|
| +
|
| +set testdir [file dirname $argv0]
|
| +source $testdir/tester.tcl
|
| +
|
| +# Skip this entire test if we do not support UTF16
|
| +#
|
| +ifcapable !utf16 {
|
| + finish_test
|
| + return
|
| +}
|
| +
|
| +# Create a database with a UTF16 encoding. Put in lots of string
|
| +# data of varying lengths.
|
| +#
|
| +do_test utf16align-1.0 {
|
| + set unaligned_string_counter 0
|
| + add_alignment_test_collations [sqlite3_connection_pointer db]
|
| + execsql {
|
| + PRAGMA encoding=UTF16;
|
| + CREATE TABLE t1(
|
| + id INTEGER PRIMARY KEY,
|
| + spacer TEXT,
|
| + a TEXT COLLATE utf16_aligned,
|
| + b TEXT COLLATE utf16_unaligned
|
| + );
|
| + INSERT INTO t1(a) VALUES("abc");
|
| + INSERT INTO t1(a) VALUES("defghi");
|
| + INSERT INTO t1(a) VALUES("jklmnopqrstuv");
|
| + INSERT INTO t1(a) VALUES("wxyz0123456789-");
|
| + UPDATE t1 SET b=a||'-'||a;
|
| + INSERT INTO t1(a,b) SELECT a||b, b||a FROM t1;
|
| + INSERT INTO t1(a,b) SELECT a||b, b||a FROM t1;
|
| + INSERT INTO t1(a,b) SELECT a||b, b||a FROM t1;
|
| + INSERT INTO t1(a,b) VALUES('one','two');
|
| + INSERT INTO t1(a,b) SELECT a, b FROM t1;
|
| + UPDATE t1 SET spacer = CASE WHEN rowid&1 THEN 'x' ELSE 'xx' END;
|
| + SELECT count(*) FROM t1;
|
| + }
|
| +} 66
|
| +do_test utf16align-1.1 {
|
| + set unaligned_string_counter
|
| +} 0
|
| +
|
| +# Creating an index that uses the unaligned collation. We should see
|
| +# some unaligned strings passed to the collating function.
|
| +#
|
| +do_test utf16align-1.2 {
|
| + execsql {
|
| + CREATE INDEX t1i1 ON t1(spacer, b);
|
| + }
|
| + # puts $unaligned_string_counter
|
| + expr {$unaligned_string_counter>0}
|
| +} 1
|
| +
|
| +# Create another index that uses the aligned collation. This time
|
| +# there should be no unaligned accesses
|
| +#
|
| +do_test utf16align-1.3 {
|
| + set unaligned_string_counter 0
|
| + execsql {
|
| + CREATE INDEX t1i2 ON t1(spacer, a);
|
| + }
|
| + expr {$unaligned_string_counter>0}
|
| +} 0
|
| +integrity_check utf16align-1.4
|
| +
|
| +# ticket #3482
|
| +#
|
| +db close
|
| +sqlite3 db :memory:
|
| +do_test utf16align-2.1 {
|
| + db eval {
|
| + PRAGMA encoding=UTF16be;
|
| + SELECT hex(ltrim(x'6efcda'));
|
| + }
|
| +} {6EFC}
|
| +
|
| +finish_test
|
|
|