/*

 * Copyright (c) 2015, 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.

 *

 */

/**

 * @test

 * @bug 8136421

 * @library /testlibrary /test/lib /

 * @compile ../common/CompilerToVMHelper.java

 * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper

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

 *      -Xbootclasspath/a:.

 *      compiler.jvmci.compilerToVM.GetLineNumberTableTest

 */

package compiler.jvmci.compilerToVM;

import compiler.jvmci.common.CTVMUtilities;

import compiler.jvmci.common.testcases.TestCase;

import jdk.vm.ci.hotspot.CompilerToVMHelper;

import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;

import jdk.test.lib.Asserts;

import java.lang.reflect.Executable;

import java.util.Arrays;

import java.util.Map;

public class GetLineNumberTableTest {

    public static void main(String[] args) {

        TestCase.getAllExecutables()

                .forEach(GetLineNumberTableTest::runSanityTest);

    }

    public static void runSanityTest(Executable aMethod) {

        HotSpotResolvedJavaMethod method = CTVMUtilities

                .getResolvedMethod(aMethod);

        long[] lineNumbers = CompilerToVMHelper.getLineNumberTable(method);

        long[] expectedLineNumbers = getExpectedLineNumbers(aMethod);

        Asserts.assertTrue(Arrays.equals(lineNumbers, expectedLineNumbers),

                String.format("%s : unequal table values : %n%s%n%s%n",

                        aMethod,

                        Arrays.toString(lineNumbers),

                        Arrays.toString(expectedLineNumbers)));

    }

    public static long[] getExpectedLineNumbers(Executable aMethod) {

        Map<Integer, Integer> bciToLine = CTVMUtilities

                .getBciToLineNumber(aMethod);

        long[] result = null;

        if (!bciToLine.isEmpty()) {

            result = new long[2 * bciToLine.size()];

            int i = 0;

            for (Integer key : bciToLine.keySet()) {

                result[i++] = key.longValue();

                result[i++] = bciToLine.get(key).longValue();

            }

        }

        // compilerToVM::getLineNumberTable returns null in case empty table

        return result;

    }

}