Test strings with reverse solidus (backslash) in orientdb 1.5.1

TestEscaping.java

import com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx;
import com.orientechnologies.orient.core.record.impl.ODocument;
import com.orientechnologies.orient.core.sql.OCommandSQL;

import java.util.List;

public class TestEscaping {
  private ODatabaseDocumentTx db;

  public static void main(String... args) {
    new TestEscaping().run();
  }

  public TestEscaping() {
    db = new ODatabaseDocumentTx("memory:testescaping");
  }

  public void run() {
    if (db.exists()) {
      db.open("admin", "admin");
      db.drop();
    }
    db.create();
    try {
      test();
    } finally {
      db.close();
    }
  }

  private void test() {
    db.getMetadata().getSchema().createClass("Thing");

    //EXPECTED RESULTS WITH SIMPLE TESTS

    //extected 2
    //prints   2
    List result0 = db.command(new OCommandSQL("select from cluster:internal where \"\\u005C\" == \"\\u005C\"")).execute();
    System.out.println(result0.size());

    //expected \
    //prints   \
    ODocument document0 = db.command(new OCommandSQL("insert into Thing set value = \"\\u005C\"")).execute();
    System.out.println(document0.field("value"));



    //FAILING TESTS

    //expected \
    //prints   \\
    ODocument document1 = db.command(new OCommandSQL("insert into Thing set value = \"\\\\\"")).execute();
    System.out.println(document1.field("value"));

    //extected 2
    //prints   0
    List list1 = db.command(new OCommandSQL("select from cluster:internal where \"\\u005C\" == \"\\\\\"")).execute();
    System.out.println(list1.size());

    //extected some parsing exception
    //prints   \\
    try {
      ODocument document2 = db.command(new OCommandSQL("insert into Thing set value = \"\\\"")).execute();
      System.out.println(document2.field("value"));
    } catch (Exception e) {
      System.out.println(e.getClass());
    }

    //extected some parsing exception
    //prints   2
    try {
      List list2 = db.command(new OCommandSQL("select from cluster:internal where \"\\u005C\" == \"\\\"")).execute();
      System.out.println(list2.size());
    } catch (Exception e) {
      System.out.println(e.getClass());
    }



    //SUCCESSFUL TEST

    //extected some parsing exception
    //prints   OCommandExecutionException
    try {
      List list3 = db.command(new OCommandSQL("select from cluster:internal where \"\\\" == \"\\u005C\"")).execute();
      System.out.println(list3.size());
    } catch (Exception e) {
      System.out.println(e.getClass().getSimpleName());
    }
  }

}

Why in this test you expected \ ?

ODocument document1 = database.command(new OCommandSQL("insert into Thing set value = "\"")).execute();