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8288589: Files.readString ignores encoding errors for UTF-16
Backport-of: 2728770
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/* | ||
* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved. | ||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
* | ||
* This code is free software; you can redistribute it and/or modify it | ||
* under the terms of the GNU General Public License version 2 only, as | ||
* published by the Free Software Foundation. | ||
* | ||
* This code is distributed in the hope that it will be useful, but WITHOUT | ||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
* version 2 for more details (a copy is included in the LICENSE file that | ||
* accompanied this code). | ||
* | ||
* You should have received a copy of the GNU General Public License version | ||
* 2 along with this work; if not, write to the Free Software Foundation, | ||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
* | ||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
* or visit www.oracle.com if you need additional information or have any | ||
* questions. | ||
*/ | ||
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/* | ||
* @test | ||
* @bug 8286287 8288589 | ||
* @summary Tests for *NoRepl() shared secret methods. | ||
* @run testng NoReplTest | ||
* @modules jdk.charsets | ||
*/ | ||
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import java.io.IOException; | ||
import java.nio.charset.CharacterCodingException; | ||
import java.nio.charset.Charset; | ||
import java.nio.file.Files; | ||
import java.util.HexFormat; | ||
import static java.nio.charset.StandardCharsets.UTF_16; | ||
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import org.testng.annotations.Test; | ||
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@Test | ||
public class NoReplTest { | ||
private final static byte[] MALFORMED_UTF16 = {(byte)0x00, (byte)0x20, (byte)0x00}; | ||
private final static String MALFORMED_WINDOWS_1252 = "\u0080\u041e"; | ||
private final static Charset WINDOWS_1252 = Charset.forName("windows-1252"); | ||
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/** | ||
* Verifies newStringNoRepl() throws a CharacterCodingException. | ||
* The method is invoked by `Files.readString()` method. | ||
*/ | ||
@Test | ||
public void newStringNoReplTest() throws IOException { | ||
var f = Files.createTempFile(null, null); | ||
try (var fos = Files.newOutputStream(f)) { | ||
fos.write(MALFORMED_UTF16); | ||
var read = Files.readString(f, UTF_16); | ||
throw new RuntimeException("Exception should be thrown for a malformed input. Bytes read: " + | ||
HexFormat.of() | ||
.withPrefix("x") | ||
.withUpperCase() | ||
.formatHex(read.getBytes(UTF_16))); | ||
} catch (CharacterCodingException cce) { | ||
// success | ||
} finally { | ||
Files.delete(f); | ||
} | ||
} | ||
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/** | ||
* Verifies getBytesNoRepl() throws a CharacterCodingException. | ||
* The method is invoked by `Files.writeString()` method. | ||
*/ | ||
@Test | ||
public void getBytesNoReplTest() throws IOException { | ||
var f = Files.createTempFile(null, null); | ||
try { | ||
Files.writeString(f, MALFORMED_WINDOWS_1252, WINDOWS_1252); | ||
throw new RuntimeException("Exception should be thrown"); | ||
} catch (CharacterCodingException cce) { | ||
// success | ||
} finally { | ||
Files.delete(f); | ||
} | ||
} | ||
} |
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