public void Iteration_of_string_length_lambda_yields_the_correct_expressions()
{
Expression <Func <string, int> > expression = x => x.Length;
var expected = new ExpressionIterationNodeAssertionList()
.Add <LambdaExpression>()
.Add <ParameterExpression>(e => e.Name == "x")
.Add <MemberExpression>(e => e.Member.Name == "Length")
.Add <ParameterExpression>(e => e.Name == "x")
;
var actual = expression.Iterate().ToList();
Assert.Equal(expected.Count, actual.Count);
for (int i = 0; i < expected.Count; ++i)
{
Assert.True(expected[i](actual[i]));
}
}
public void Iteration_of_string_method_calls_yields_the_correct_expressions()
{
Expression <Func <string, bool> > expression = x => x.Contains("abc") || x.GetEnumerator().MoveNext();
var expected = new ExpressionIterationNodeAssertionList()
.Add <LambdaExpression>()
.Add <ParameterExpression>(e => e.Name == "x")
.Add <BinaryExpression>(e => e.NodeType == ExpressionType.OrElse)
.Add <MethodCallExpression>(e => e.Method.Name == "Contains")
.Add <ParameterExpression>(e => e.Name == "x")
.Add <ConstantExpression>(e => e.Value.Equals("abc"))
.Add <MethodCallExpression>(e => e.Method.Name == "MoveNext")
.Add <MethodCallExpression>(e => e.Method.Name == "GetEnumerator")
.Add <ParameterExpression>(e => e.Name == "x")
;
var actual = expression.Iterate().ToList();
Assert.Equal(expected.Count, actual.Count);
for (int i = 0; i < expected.Count; ++i)
{
Assert.True(expected[i](actual[i]));
}
}
