GdbBacktraceTest.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.plugin.gdb.server.parser;

import org.eclipse.che.api.debug.shared.model.Location;
import org.testng.annotations.Test;

import java.util.Map;

import static org.testng.Assert.assertEquals;

/**
 * @author Roman Nikitenko
 */
public class GdbBacktraceTest {

    private static String BACKTRACE_OUTPUT =
            "#0  0x00007ffff77fc710 in __write_nocancel () at ../sysdeps/unix/syscall-template.S:81\n" +
            "#1  0x00007ffff7b6a684 in std::ostream::put(char) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6" +
            "#2  0x00007ffff7b6a8b2 in std::basic_ostream<char, std::char_traits<char> >& std::endl<char, std::char_traits<char> >" +
            "(std::basic_ostream<char, std::char_traits<char> >&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6" +
            "#3  0x00000000004008a8 in main () at hello.cc:16";

    @Test
    public void testParseFileLocation() throws Exception {
        GdbOutput gdbOutput = GdbOutput.of(BACKTRACE_OUTPUT);
        GdbBacktrace backtrace = GdbBacktrace.parse(gdbOutput);
        Map<Integer, Location> frames = backtrace.getFrames();

        Location frame0 = frames.get(0);
        Location frame3 = frames.get(3);

        assertEquals(frame0.getTarget(), "../sysdeps/unix/syscall-template.S");
        assertEquals(frame0.getLineNumber(), 81);

        assertEquals(frame3.getTarget(), "hello.cc");
        assertEquals(frame3.getLineNumber(), 16);
    }

    @Test
    public void testParseLibraryLocation() throws Exception {
        GdbOutput gdbOutput = GdbOutput.of(BACKTRACE_OUTPUT);
        GdbBacktrace backtrace = GdbBacktrace.parse(gdbOutput);
        Map<Integer, Location> frames = backtrace.getFrames();

        Location frame1 = frames.get(1);
        Location frame2 = frames.get(2);

        assertEquals(frame1.getTarget(), "/usr/lib/x86_64-linux-gnu/libstdc++.so.6");
        assertEquals(frame2.getTarget(), "/usr/lib/x86_64-linux-gnu/libstdc++.so.6");
    }
}