Capture Android log messages in tests with Robolectric

package com.pivotallabs;

import android.util.Log;
import com.xtremelabs.robolectric.Robolectric;
import com.xtremelabs.robolectric.RobolectricTestRunner;
import com.xtremelabs.robolectric.util.Implements;
import org.junit.Test;
import org.junit.runner.RunWith;

@RunWith(RobolectricTestRunner.class)
public class LogTest {
    @Test
    public void testLogging() throws Exception {
        Robolectric.bindShadowClass(ShadowLog.class);

        Log.i("LogTest", "log message");
    }

    @Implements(Log.class)
    public static class ShadowLog {
        public static int i(java.lang.String tag, java.lang.String msg) {
            System.out.println("[" + tag + "] " + msg);
            return 0;
        }
    }
}