55 lines
2.0 KiB
Java
55 lines
2.0 KiB
Java
/*
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* Copyright (c) 2013, 2022, 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.whitebox.WhiteBox;
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// This class is used by the test SharedStrings.java
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// It should be launched in CDS mode
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public class SharedStringsWb {
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public static void main(String[] args) throws Exception {
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WhiteBox wb = WhiteBox.getWhiteBox();
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if (!wb.areSharedStringsMapped()) {
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System.out.println("Shared strings are not mapped, assuming PASS");
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return;
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}
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// The string below is known to be added to CDS archive
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String s = "<init>";
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String internedS = s.intern();
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// Check that it's a valid string
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if (s.getClass() != String.class || !(s instanceof String)) {
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throw new RuntimeException("Shared string is not a valid String: FAIL");
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}
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if (wb.isSharedInternedString(internedS)) {
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System.out.println("Found shared string, result: PASS");
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} else {
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throw new RuntimeException("String is not shared, result: FAIL");
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}
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}
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}
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