public void testEqualsIsIdentity()
{
RevCommit a1 = Commit();
RevCommit b1 = Commit();
Assert.IsTrue(a1.Equals(a1));
Assert.IsTrue(a1.Equals((object)a1));
Assert.IsFalse(a1.Equals(b1));
Assert.IsFalse(a1.Equals(a1.Copy()));
Assert.IsFalse(a1.Equals((object)a1.Copy()));
Assert.IsFalse(a1.Equals(string.Empty));
var rw2 = new GitSharp.Core.RevWalk.RevWalk(db);
RevCommit a2 = rw2.parseCommit(a1);
RevCommit b2 = rw2.parseCommit(b1);
Assert.AreNotSame(a1, a2);
Assert.AreNotSame(b1, b2);
Assert.IsFalse(a1.Equals(a2));
Assert.IsFalse(b1.Equals(b2));
Assert.AreEqual(a1.GetHashCode(), a2.GetHashCode());
Assert.AreEqual(b1.GetHashCode(), b2.GetHashCode());
Assert.IsTrue(AnyObjectId.equals(a1, a2));
Assert.IsTrue(AnyObjectId.equals(b1, b2));
}