author | coleenp |
Mon, 29 Jul 2019 10:34:20 -0400 | |
changeset 57567 | b000362a89a0 |
parent 48138 | test/hotspot/jtreg/runtime/appcds/sharedStrings/HelloStringGC.java@78b2ecdd3c4b |
permissions | -rw-r--r-- |
48138 | 1 |
/* |
57567
b000362a89a0
8202339: [TESTBUG] Consolidate the tests in runtime/SharedArchiveFile and runtime/appcds
coleenp
parents:
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diff
changeset
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* Copyright (c) 2015, 2019, 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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*/ |
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import sun.hotspot.WhiteBox; |
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public class HelloStringGC { |
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public static String[] array01 = new String[1000]; |
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public static String[] array02 = new String[1000]; |
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public static void main(String args[]) throws RuntimeException { |
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String testString1 = "shared_test_string_unique_14325"; |
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String testString2 = "test123"; |
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WhiteBox wb = WhiteBox.getWhiteBox(); |
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if (!wb.isShared(testString1) && !wb.areSharedStringsIgnored()) { |
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throw new RuntimeException("testString1 is not shared"); |
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} |
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for (int i=0; i<5; i++) { |
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allocSomeStrings(testString1, testString2); |
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array01 = null; |
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array02 = null; |
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System.gc(); |
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sleep(300); |
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array01 = new String[1000]; |
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array02 = new String[1000]; |
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} |
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wb.fullGC(); |
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System.out.println("HelloStringGC: PASS"); |
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} |
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private static void allocSomeStrings(String s1, String s2) { |
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for (int i = 0; i < 1000; i ++) { |
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array01[i] = new String(s1); |
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array02[i] = new String(s2); |
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} |
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} |
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private static void sleep(int ms) { |
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try { |
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Thread.sleep(ms); |
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} catch (InterruptedException e) { |
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} |
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} |
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} |