public void Equals()
{
DotExpression expr1 = new DotExpression(new ConstantExpression(1), "foo", new IExpression[0]);
DotExpression expr2 = new DotExpression(new ConstantExpression(2), "foo", new IExpression[0]);
DotExpression expr3 = new DotExpression(new ConstantExpression(1), "bar", new IExpression[0]);
DotExpression expr4 = new DotExpression(new ConstantExpression(1), "foo", new IExpression[0]);
Assert.IsTrue(expr1.Equals(expr4));
Assert.IsTrue(expr4.Equals(expr1));
Assert.AreEqual(expr1.GetHashCode(), expr4.GetHashCode());
Assert.IsFalse(expr1.Equals(expr2));
Assert.IsFalse(expr2.Equals(expr1));
Assert.IsFalse(expr1.Equals(expr3));
Assert.IsFalse(expr3.Equals(expr1));
Assert.IsFalse(expr1.Equals(null));
Assert.IsFalse(expr1.Equals("foo"));
}
