public void EvaluateUndefinedClassVar()
{
ClassVarExpression expr = new ClassVarExpression("foo");
DynamicClass cls = new DynamicClass(null);
DynamicObject obj = new DynamicObject(cls);
Context context = new Context(obj, null);
Assert.IsNull(expr.Evaluate(context));
}
public void EvaluateDefinedClassVar()
{
ClassVarExpression expr = new ClassVarExpression("one");
DynamicClass cls = new DynamicClass(null);
DynamicObject obj = new DynamicObject(cls);
cls.SetValue("one", 1);
Context context = new Context(obj, null);
Assert.AreEqual(1, expr.Evaluate(context));
}
public void ParseClassVariableExpression()
{
Parser parser = new Parser("@@a");
var expected = new ClassVarExpression("a");
var result = parser.ParseExpression();
Assert.IsNotNull(result);
Assert.AreEqual(expected, result);
Assert.IsNull(parser.ParseExpression());
}
public void Equals()
{
ClassVarExpression expr1 = new ClassVarExpression("one");
ClassVarExpression expr2 = new ClassVarExpression("two");
ClassVarExpression expr3 = new ClassVarExpression("one");
Assert.IsTrue(expr1.Equals(expr3));
Assert.IsTrue(expr3.Equals(expr1));
Assert.AreEqual(expr1.GetHashCode(), expr3.GetHashCode());
Assert.IsFalse(expr1.Equals(null));
Assert.IsFalse(expr1.Equals(123));
Assert.IsFalse(expr1.Equals(expr2));
Assert.IsFalse(expr2.Equals(expr1));
}
