russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
74 lines
2.5 KiB
Java
74 lines
2.5 KiB
Java
/*
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* Copyright (c) 2026, 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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import jdk.test.lib.Asserts;
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import sun.security.util.Password;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.PrintStream;
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/*
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* @test
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* @bug 8374555
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* @summary only print warning when reading from System.in
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* @modules java.base/sun.security.util
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* @library /test/lib
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*/
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public class EmptyIn {
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public static void main(String[] args) throws Exception {
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testSystemIn();
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testNotSystemIn();
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}
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static void testSystemIn() throws Exception {
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var in = new ByteArrayInputStream(new byte[0]);
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var err = new ByteArrayOutputStream();
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var oldErr = System.err;
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var oldIn = System.in;
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try {
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System.setIn(in);
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System.setErr(new PrintStream(err));
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Password.readPassword(System.in);
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} finally {
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System.setIn(oldIn);
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System.setErr(oldErr);
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}
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// Read from System.in. Should warn.
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Asserts.assertNotEquals(0, err.size());
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}
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static void testNotSystemIn() throws Exception {
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var in = new ByteArrayInputStream(new byte[0]);
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var err = new ByteArrayOutputStream();
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var oldErr = System.err;
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try {
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System.setErr(new PrintStream(err));
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Password.readPassword(in);
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} finally {
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System.setErr(oldErr);
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}
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// Not read from System.in. Should not warn.
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Asserts.assertEQ(0, err.size());
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}
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}
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