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