public void ParseOrAndExpressionTest1()
{
Action <string> testExpression = delegate(string condition)
{
IConditionExpression expression = ConditionExpressionParser.Instance.Parse(
condition);
Assert.IsNotNull(expression, "Expected an expression instance.");
BinaryOperatorExpression operatorExpression = expression as BinaryOperatorExpression;
Assert.IsNotNull(operatorExpression, "Expected an operator expression.");
Assert.AreEqual(BinaryExpressionOperator.Or, operatorExpression.Operator, "Unexpected operator.");
//
// Or left
//
BinaryOperatorExpression andExpression = operatorExpression.Left as BinaryOperatorExpression;
Assert.IsNotNull(andExpression, "Expected an operator expression.");
Assert.AreEqual(BinaryExpressionOperator.And, andExpression.Operator, "Unexpected operator.");
//
// And Left
//
BinaryOperatorExpression testExpression1 = andExpression.Left as BinaryOperatorExpression;
Assert.IsNotNull(testExpression1, "Expected an operator expression.");
Assert.AreEqual(BinaryExpressionOperator.Equal, testExpression1.Operator, "Unexpected operator.");
ElementAttributeExpression test1AttributeExpression = testExpression1.Left as ElementAttributeExpression;
Assert.IsNotNull(test1AttributeExpression, "Unexpected left node type.");
Assert.AreEqual(ElementAttributeType.Name, test1AttributeExpression.ElementAttribute,
"Attribute expression was not parsed correctly.");
StringExpression test1StringExpression = testExpression1.Right as StringExpression;
Assert.IsNotNull(test1StringExpression, "Unexpected right node type.");
Assert.AreEqual("Test 1", test1StringExpression.Text, "String expression was not parsed correctly.");
//
// And Right
//
BinaryOperatorExpression testExpression2 = andExpression.Right as BinaryOperatorExpression;
Assert.IsNotNull(testExpression2, "Expected an operator expression.");
Assert.AreEqual(BinaryExpressionOperator.Equal, testExpression2.Operator, "Unexpected operator.");
ElementAttributeExpression test2AttributeExpression = testExpression2.Left as ElementAttributeExpression;
Assert.IsNotNull(test2AttributeExpression, "Unexpected left node type.");
Assert.AreEqual(ElementAttributeType.Name, test2AttributeExpression.ElementAttribute,
"Attribute expression was not parsed correctly.");
StringExpression test2StringExpression = testExpression2.Right as StringExpression;
Assert.IsNotNull(test2StringExpression, "Unexpected right node type.");
Assert.AreEqual("Test 2", test2StringExpression.Text, "String expression was not parsed correctly.");
//
// Or right
//
BinaryOperatorExpression testExpression3 = operatorExpression.Right as BinaryOperatorExpression;
Assert.IsNotNull(testExpression3, "Expected an operator expression.");
Assert.AreEqual(BinaryExpressionOperator.Equal, testExpression3.Operator, "Unexpected operator.");
ElementAttributeExpression test3AttributeExpression = testExpression3.Left as ElementAttributeExpression;
Assert.IsNotNull(test3AttributeExpression, "Unexpected left node type.");
Assert.AreEqual(ElementAttributeType.Name, test3AttributeExpression.ElementAttribute,
"Attribute expression was not parsed correctly.");
StringExpression test3StringExpression = testExpression3.Right as StringExpression;
Assert.IsNotNull(test3StringExpression, "Unexpected right node type.");
Assert.AreEqual("Test 3", test3StringExpression.Text, "String expression was not parsed correctly.");
};
string expressionText;
expressionText = "(($(Name) == 'Test 1') And ($(Name) == 'Test 2')) Or ($(Name) == 'Test 3')";
testExpression(expressionText);
expressionText = "$(Name) == 'Test 1' And $(Name) == 'Test 2' Or $(Name) == 'Test 3'";
testExpression(expressionText);
}
