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 }