JDK14/Java14源码在线阅读

/*
 * Copyright (c) 2019, 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.
 *
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package org.graalvm.compiler.core.test;

import static org.graalvm.compiler.test.SubprocessUtil.getVMCommandLine;
import static org.graalvm.compiler.test.SubprocessUtil.java;
import static org.graalvm.compiler.test.SubprocessUtil.withoutDebuggerArguments;

import java.io.IOException;
import java.util.List;

import org.graalvm.compiler.test.SubprocessUtil;
import org.junit.Assume;
import org.junit.Before;

public abstract class SubprocessTest extends GraalCompilerTest {

    @Before
    public void checkJavaAgent() {
        Assume.assumeFalse("Java Agent found -> skipping", SubprocessUtil.isJavaAgentAttached());
    }

    public void launchSubprocess(Runnable runnable) throws InterruptedException, IOException {
        String recursionPropName = getClass().getSimpleName() + ".Subprocess";
        if (Boolean.getBoolean(recursionPropName)) {
            runnable.run();
        } else {
            List<String> vmArgs = withoutDebuggerArguments(getVMCommandLine());
            vmArgs.add(SubprocessUtil.PACKAGE_OPENING_OPTIONS);
            vmArgs.add("-D" + recursionPropName + "=true");
            configSubprocess(vmArgs);
            boolean verbose = Boolean.getBoolean(getClass().getSimpleName() + ".verbose");
            if (verbose) {
                System.err.println(String.join(" ", vmArgs));
            }
            SubprocessUtil.Subprocess proc = java(vmArgs, "com.oracle.mxtool.junit.MxJUnitWrapper", getClass().getName());
            if (verbose) {

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