/*

 * Copyright (c) 2015, 2016, 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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 */

/*

 * @test

 * @bug 8136421

 * @requires vm.jvmci

 * @library / /test/lib

 * @library ../common/patches

 * @modules java.base/jdk.internal.misc

 * @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot

 * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper

 * @build compiler.jvmci.compilerToVM.ReadConfigurationTest

 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI

 *                   -Djvmci.Compiler=null

 *                   compiler.jvmci.compilerToVM.ReadConfigurationTest

 */

package compiler.jvmci.compilerToVM;

import jdk.test.lib.Asserts;

import jdk.vm.ci.hotspot.VMField;

import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;

import jdk.vm.ci.hotspot.HotSpotVMConfigAccess;

import jdk.vm.ci.hotspot.HotSpotVMConfigStore;

import jdk.vm.ci.hotspot.VMIntrinsicMethod;

public class ReadConfigurationTest {

    public static void main(String args[]) {

        new ReadConfigurationTest().runTest();

    }

    private void runTest() {

        HotSpotVMConfigStore store = HotSpotJVMCIRuntime.runtime().getConfigStore();

        TestHotSpotVMConfig config = new TestHotSpotVMConfig(store);

        Asserts.assertNE(config.codeCacheHighBound, 0L, "Got null address");

        Asserts.assertNE(config.stubRoutineJintArrayCopy, 0L, "Got null address");

        for (VMField field : store.getFields().values()) {

                Object value = field.value;

                if (value != null) {

                    Asserts.assertTrue(value instanceof Long || value instanceof Boolean,

                        "Got unexpected value type for VM field " + field.name + ": " + value.getClass());

                }

        }

        for (VMIntrinsicMethod m : config.getStore().getIntrinsics()) {

            Asserts.assertNotNull(m);

            Asserts.assertNotNull(m.declaringClass);

            Asserts.assertFalse(m.declaringClass.contains("."),

                "declaringClass should be in class file format: " + m.declaringClass);

            Asserts.assertNotNull(m.name);

            Asserts.assertNotNull(m.descriptor);

            Asserts.assertTrue(m.id > 0);

        }

    }

    private static class TestHotSpotVMConfig extends HotSpotVMConfigAccess {

        private TestHotSpotVMConfig(HotSpotVMConfigStore store) {

            super(store);

        }

        final long codeCacheHighBound = getFieldValue("CodeCache::_high_bound", Long.class);

        final long stubRoutineJintArrayCopy = getFieldValue("StubRoutines::_jint_arraycopy", Long.class);

    }

}