public void ParseBlockWithParametersWithSpaces()
{
ModelParser parser = new ModelParser("[ : a : b | ^a + b]");
IExpression expression = parser.ParseExpression();
Assert.IsNotNull(expression);
Assert.IsInstanceOfType(expression, typeof(BlockExpression));
BlockExpression bexpression = (BlockExpression)expression;
Assert.IsNotNull(bexpression.Body);
Assert.IsInstanceOfType(bexpression.Body.First(), typeof(ReturnExpression));
Assert.AreEqual(2, bexpression.ParameterNames.Count);
Assert.AreEqual("a", bexpression.ParameterNames[0]);
Assert.AreEqual("b", bexpression.ParameterNames[1]);
Assert.AreEqual(0, bexpression.LocalVariables.Count);
Assert.AreEqual("[ :a :b | ^a + b]", expression.AsString());
}