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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

 * 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,

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package org.graalvm.compiler.hotspot.test;

import org.graalvm.compiler.core.test.GraalCompilerTest;

import org.graalvm.compiler.hotspot.meta.HotSpotClassInitializationPlugin;

import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;

import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration.Plugins;

import org.junit.Assert;

import org.junit.Assume;

import org.junit.Test;

import jdk.vm.ci.meta.ResolvedJavaMethod;

public class HotSpotLazyInitializationTest extends GraalCompilerTest {

    HotSpotClassInitializationPlugin classInitPlugin = new HotSpotClassInitializationPlugin();

    @Override

    protected Plugins getDefaultGraphBuilderPlugins() {

        Plugins plugins = super.getDefaultGraphBuilderPlugins();

        plugins.setClassInitializationPlugin(classInitPlugin);

        return plugins;

    }

    static boolean initializerRun = false;

    static class X {

        static {

            initializerRun = true;

        }

        static void foo() {

        }

    }

    public static void invokeStatic() {

        X.foo();

    }

    // If constant pool can do eager resolve without eager initialization, then fail if the compiler

    // causes the static initializer to run.

    private void test(String name) {

        ResolvedJavaMethod method = getResolvedJavaMethod(name);

        Assume.assumeTrue("skipping for old JVMCI", classInitPlugin.supportsLazyInitialization(method.getConstantPool()));

        parseEager(method, AllowAssumptions.NO);

        Assert.assertFalse(initializerRun);

    }

    @Test

    public void test1() {

        test("invokeStatic");

    }

}