/*

 * Copyright (c) 2013, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package org.graalvm.compiler.hotspot.test;

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

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

import java.io.File;

import java.io.IOException;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Enumeration;

import java.util.List;

import java.util.zip.ZipEntry;

import java.util.zip.ZipFile;

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

import org.graalvm.compiler.test.SubprocessUtil;

import org.graalvm.compiler.test.SubprocessUtil.Subprocess;

import org.junit.Assert;

import org.junit.Test;

/**

 * Tests support for dumping graphs and other info useful for debugging a compiler crash.

 */

public class CompilationWrapperTest extends GraalCompilerTest {

    /**

     * Tests compilation requested by the VM.

     */

    @Test

    public void testVMCompilation1() throws IOException, InterruptedException {

                        "-XX:+UseJVMCICompiler",

                        "-Dgraal.CompilationFailureAction=ExitVM",

                        "-Dgraal.CrashAt=Object.*,String.*",

                        "-version"));

    }

    /**

     * Tests that {@code -Dgraal.ExitVMOnException=true} works as an alias for

     * {@code -Dgraal.CompilationFailureAction=ExitVM}.

     */

    @Test

    public void testVMCompilation2() throws IOException, InterruptedException {

                        "-XX:+UseJVMCICompiler",

                        "-Dgraal.ExitVMOnException=true",

                        "-Dgraal.CrashAt=Object.*,String.*",

                        "-version"));

    }

    /**

     * Tests compilation requested by Truffle.

     */

    @Test

    public void testTruffleCompilation() throws IOException, InterruptedException {

    }

    private static final boolean VERBOSE = Boolean.getBoolean(CompilationWrapperTest.class.getSimpleName() + ".verbose");

        final File dumpPath = new File(CompilationWrapperTest.class.getSimpleName() + "_" + System.currentTimeMillis()).getAbsoluteFile();

        List<String> vmArgs = withoutDebuggerArguments(getVMCommandLine());

        vmArgs.removeIf(a -> a.startsWith("-Dgraal."));

        vmArgs.add("-Dgraal.DumpPath=" + dumpPath);

        // Force output to a file even if there's a running IGV instance available.

        vmArgs.add("-Dgraal.PrintGraphFile=true");

        vmArgs.addAll(extraVmArgs);

        Subprocess proc = SubprocessUtil.java(vmArgs, mainClassAndArgs);

        if (VERBOSE) {

            System.out.println(proc);

        }

        for (String line : proc.output) {

                }

            }

        }

        }

        File zip = new File(diagnosticOutputZip).getAbsoluteFile();

        Assert.assertTrue(zip.toString(), zip.exists());

        try {

            int bgv = 0;

            int cfg = 0;

            ZipFile dd = new ZipFile(diagnosticOutputZip);

            List<String> entries = new ArrayList<>();

            for (Enumeration<? extends ZipEntry> e = dd.entries(); e.hasMoreElements();) {

                ZipEntry ze = e.nextElement();

                String name = ze.getName();

                entries.add(name);

                if (name.endsWith(".bgv")) {

                    bgv++;

                } else if (name.endsWith(".cfg")) {

                    cfg++;

                }

            }

            if (bgv == 0) {

                Assert.fail(String.format("Expected at least one .bgv file in %s: %s%n%s", diagnosticOutputZip, entries, proc));

            }

            if (cfg == 0) {

                Assert.fail(String.format("Expected at least one .cfg file in %s: %s", diagnosticOutputZip, entries));

            }

        } finally {

            zip.delete();

            dumpPath.delete();

        }

    }

}