1 | /* |
2 | * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 | * |
5 | * This code is free software; you can redistribute it and/or modify it |
6 | * under the terms of the GNU General Public License version 2 only, as |
7 | * published by the Free Software Foundation. |
8 | * |
9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
12 | * version 2 for more details (a copy is included in the LICENSE file that |
13 | * accompanied this code). |
14 | * |
15 | * You should have received a copy of the GNU General Public License version |
16 | * 2 along with this work; if not, write to the Free Software Foundation, |
17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
18 | * |
19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
20 | * or visit www.oracle.com if you need additional information or have any |
21 | * questions. |
22 | */ |
23 | |
24 | #include "precompiled.hpp" |
25 | #include "utilities/utf8.hpp" |
26 | #include "unittest.hpp" |
27 | |
28 | TEST(utf8, length) { |
29 | char res[60]; |
30 | jchar str[20]; |
31 | |
32 | for (int i = 0; i < 20; i++) { |
33 | str[i] = 0x0800; // char that is 2B in UTF-16 but 3B in UTF-8 |
34 | } |
35 | str[19] = (jchar) '\0'; |
36 | |
37 | // The resulting string in UTF-8 is 3*19 bytes long, but should be truncated |
38 | UNICODE::as_utf8(str, 19, res, 10); |
39 | ASSERT_EQ(strlen(res), (size_t) 9) << "string should be truncated here" ; |
40 | |
41 | UNICODE::as_utf8(str, 19, res, 18); |
42 | ASSERT_EQ(strlen(res), (size_t) 15) << "string should be truncated here" ; |
43 | |
44 | UNICODE::as_utf8(str, 19, res, 20); |
45 | ASSERT_EQ(strlen(res), (size_t) 18) << "string should be truncated here" ; |
46 | |
47 | // Test with an "unbounded" buffer |
48 | UNICODE::as_utf8(str, 19, res, INT_MAX); |
49 | ASSERT_EQ(strlen(res), (size_t) 3 * 19) << "string should end here" ; |
50 | } |
51 | |