hotspot/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.jtt/src/org/graalvm/compiler/jtt/hotspot/Test6186134.java

/*
 * Copyright (c) 2011, 2012, 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
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package org.graalvm.compiler.jtt.hotspot;

import java.util.ArrayList;

import org.junit.Before;
import org.junit.Test;

import org.graalvm.compiler.core.common.util.ArraySet;
import org.graalvm.compiler.jtt.JTTTest;

// @formatter:off
public class Test6186134 extends JTTTest {

    public static class TestClass {

        int num = 0;

        public TestClass(int n) {
            num = n;
        }

        public boolean more() {
            return num-- > 0;
        }

        public ArrayList<?> test1() {
            ArrayList<Object> res = new ArrayList<>();
            int maxResults = Integer.MAX_VALUE;
            int n = 0;
            boolean more = more();
            while ((n++ < maxResults) && more) {
                res.add(new Object());
                more = more();
            }
            return res;
        }

    }

    public static int test(int n) {
        for (int i = 0; i < n; i++) {
            TestClass t = new TestClass(10);
            int size = t.test1().size();
            if (size != 10) {
                return 97;
            }
        }
        return 0;
    }

    @Before
    public void setUp() {
        /* Ensure that ArrayList is _not_ a leaf class (otherwise code installation may fail due to a failed leaf type dependency). */
        UNSAFE.ensureClassInitialized(ArraySet.class);
    }

    @Test
    public void run0() throws Throwable {
        runTest("test", 100);
    }

}