有以下单元测试:
public interface ITestMe
{
object[] Values { get; }
}
[Test]
public void Test ()
{
var sut = A.Fake<ITestMe> ();
A.CallTo (() => sut.Values[0]).Returns (4);
Assert.That (sut.Values[0], Is.EqualTo (4));
}
导致以下异常:
System.InvalidCastException : Unable to cast object of type 'System.Linq.Expressions.SimpleBinaryExpression' to type 'System.Linq.Expressions.InvocationExpression'.
at FakeItEasy.Expressions.CallExpressionParser.Parse(LambdaExpression callExpression)
at FakeItEasy.Configuration.FakeConfigurationManager.AssertThatMemberCanBeIntercepted(LambdaExpression callSpecification)
at FakeItEasy.Configuration.FakeConfigurationManager.CallTo(Expression1 callSpecification) at FakeItEasy.A.CallTo(Expression1 callSpecification)
也许我不知道如何为索引器指定一个假的值?
A.CallTo(() => sut.Values).Returns(new object[]{4})
. - Charles Mager