/*

 * Copyright (c) 2014, 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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 * questions.

 */

/*

 * @test

 * @bug 8034091

 * @summary Add LineNumberTable attributes for conditional operator (?:) split across several lines.

 */

import com.sun.tools.classfile.ClassFile;

import com.sun.tools.classfile.ConstantPoolException;

import com.sun.tools.classfile.Method;

import com.sun.tools.classfile.Attribute;

import com.sun.tools.classfile.Code_attribute;

import com.sun.tools.classfile.LineNumberTable_attribute;

import com.sun.tools.classfile.LineNumberTable_attribute.Entry;

import java.io.File;

import java.io.IOException;

public class ConditionalLineNumberTest {

    public static void main(String[] args) throws Exception {

        // check that we have 5 consecutive entries for method()

        Entry[] lines = findEntries();

        if (lines == null || lines.length != 5)

            throw new Exception("conditional line number table incorrect");

        int current = lines[0].line_number;

        for (Entry e : lines) {

            if (e.line_number != current)

                throw new Exception("conditional line number table incorrect");

            current++;

        }

   }

    static Entry[] findEntries() throws IOException, ConstantPoolException {

        ClassFile self = ClassFile.read(ConditionalLineNumberTest.class.getResourceAsStream("ConditionalLineNumberTest.class"));

        for (Method m : self.methods) {

            if ("method".equals(m.getName(self.constant_pool))) {

                Code_attribute code_attribute = (Code_attribute)m.attributes.get(Attribute.Code);

                for (Attribute at : code_attribute.attributes) {

                    if (Attribute.LineNumberTable.equals(at.getName(self.constant_pool))) {

                        return ((LineNumberTable_attribute)at).line_number_table;

                    }

                }

            }

        }

        return null;

    }

    // This method should get one LineNumberTable entry per line

    // in the method body.

    public static String method(int field) {

        String s = field % 2 == 0 ?

            (field == 0 ? "false"

             : "true" + field) : //Breakpoint

            "false" + field; //Breakpoint

        return s;

    }

}