211 lines
7.5 KiB
Java
211 lines
7.5 KiB
Java
/*
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* Copyright (c) 2010, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @summary Unit test for charset containment
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* @bug 6798572 8167252
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* @modules jdk.charsets
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* @run junit Contains
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*/
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import java.nio.charset.Charset;
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import java.util.Arrays;
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import java.util.stream.Stream;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.Arguments;
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import org.junit.jupiter.params.provider.MethodSource;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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public class Contains {
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/**
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* Tests the containment of some charsets against themselves.
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* This test takes both true and false for 'cont'.
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*/
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@ParameterizedTest
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@MethodSource("charsets")
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public void charsetsTest(Charset containerCs, Charset cs, boolean cont){
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shouldContain(containerCs, cs, cont);
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}
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/**
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* Tests UTF charsets with other charsets. In this case, each UTF charset
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* should contain every single charset they are tested against. 'cont' is
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* always true.
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*/
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@ParameterizedTest
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@MethodSource("utfCharsets")
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public void UTFCharsetsTest(Charset containerCs, Charset cs, boolean cont){
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shouldContain(containerCs, cs, cont);
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}
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/**
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* Tests the assertion in the contains() method: "Every charset contains itself."
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*/
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@Test
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public void containsSelfTest() {
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for (var entry : Charset.availableCharsets().entrySet()) {
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Charset charset = entry.getValue();
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boolean contains = charset.contains(charset);
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assertTrue(contains, String.format("Charset(%s).contains(Charset(%s)) returns %s",
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charset.name(), charset.name(), contains));
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}
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}
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/**
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* Helper method that checks if a charset should contain another charset.
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*/
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static void shouldContain(Charset containerCs, Charset cs, boolean cont){
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assertEquals((containerCs.contains(cs)), cont, String.format("%s %s %s",
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containerCs.name(), (cont ? " contains " : " does not contain "), cs.name()));
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}
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private static Stream<Arguments> utfCharsets() {
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String[] utfNames = {
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"utf-16",
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"utf-8",
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"utf-16le",
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"utf-16be",
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"x-utf-16le-bom"
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};
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String[] charsetNames = {
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"US-ASCII",
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"UTF-8",
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"UTF-16",
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"UTF-16BE",
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"UTF-16LE",
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"x-UTF-16LE-BOM",
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"GBK",
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"GB18030",
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"ISO-8859-1",
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"ISO-8859-15",
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"ISO-8859-2",
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"ISO-8859-3",
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"ISO-8859-4",
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"ISO-8859-5",
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"ISO-8859-6",
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"ISO-8859-7",
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"ISO-8859-8",
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"ISO-8859-9",
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"ISO-8859-13",
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"JIS_X0201",
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"x-JIS0208",
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"JIS_X0212-1990",
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"GB2312",
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"EUC-KR",
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"x-EUC-TW",
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"EUC-JP",
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"x-euc-jp-linux",
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"KOI8-R",
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"TIS-620",
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"x-ISCII91",
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"windows-1251",
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"windows-1252",
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"windows-1253",
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"windows-1254",
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"windows-1255",
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"windows-1256",
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"windows-1257",
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"windows-1258",
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"windows-932",
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"x-mswin-936",
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"x-windows-949",
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"x-windows-950",
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"windows-31j",
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"Big5",
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"Big5-HKSCS",
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"x-MS950-HKSCS",
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"ISO-2022-JP",
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"ISO-2022-KR",
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"x-ISO-2022-CN-CNS",
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"x-ISO-2022-CN-GB",
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"Big5-HKSCS",
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"x-Johab",
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"Shift_JIS"
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};
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// All charsets in utfNames should contain
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// all charsets in charsetNames
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return Arrays.stream(utfNames).flatMap(cs1 -> Arrays.stream(charsetNames)
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.map(cs2 -> Arguments.of(Charset.forName(cs1), Charset.forName(cs2), true)));
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}
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private static Stream<Arguments> charsets() {
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Charset us_ascii = Charset.forName("US-ASCII");
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Charset iso_8859_1 = Charset.forName("ISO-8859-1");
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Charset iso_8859_15 = Charset.forName("ISO-8859-15");
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Charset utf_8 = Charset.forName("UTF-8");
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Charset utf_16be = Charset.forName("UTF-16BE");
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Charset cp1252 = Charset.forName("CP1252");
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return Stream.of(
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Arguments.of(us_ascii, us_ascii, true),
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Arguments.of(us_ascii, iso_8859_1, false),
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Arguments.of(us_ascii, iso_8859_15, false),
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Arguments.of(us_ascii, utf_8, false),
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Arguments.of(us_ascii, utf_16be, false),
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Arguments.of(us_ascii, cp1252, false),
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Arguments.of(iso_8859_1, us_ascii, true),
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Arguments.of(iso_8859_1, iso_8859_1, true),
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Arguments.of(iso_8859_1, iso_8859_15, false),
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Arguments.of(iso_8859_1, utf_8, false),
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Arguments.of(iso_8859_1, utf_16be, false),
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Arguments.of(iso_8859_1, cp1252, false),
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Arguments.of(iso_8859_15, us_ascii, true),
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Arguments.of(iso_8859_15, iso_8859_1, false),
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Arguments.of(iso_8859_15, iso_8859_15, true),
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Arguments.of(iso_8859_15, utf_8, false),
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Arguments.of(iso_8859_15, utf_16be, false),
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Arguments.of(iso_8859_15, cp1252, false),
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Arguments.of(utf_8, us_ascii, true),
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Arguments.of(utf_8, iso_8859_1, true),
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Arguments.of(utf_8, iso_8859_15, true),
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Arguments.of(utf_8, utf_8, true),
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Arguments.of(utf_8, utf_16be, true),
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Arguments.of(utf_8, cp1252, true),
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Arguments.of(utf_16be, us_ascii, true),
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Arguments.of(utf_16be, iso_8859_1, true),
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Arguments.of(utf_16be, iso_8859_15, true),
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Arguments.of(utf_16be, utf_8, true),
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Arguments.of(utf_16be, utf_16be, true),
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Arguments.of(utf_16be, cp1252, true),
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Arguments.of(cp1252, us_ascii, true),
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Arguments.of(cp1252, iso_8859_1, false),
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Arguments.of(cp1252, iso_8859_15, false),
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Arguments.of(cp1252, utf_8, false),
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Arguments.of(cp1252, utf_16be, false),
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Arguments.of(cp1252, cp1252, true)
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);
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}
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}
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