/// <summary>
/// Asserts that the current type does not expose a method named <paramref name="name"/>
/// with parameter types <paramref name="parameterTypes"/>.
/// </summary>
/// <param name="name">The name of the method.</param>
/// <param name="parameterTypes">The method parameter types.</param>
/// <param name="because">A formatted phrase as is supported by <see cref="M:System.String.Format(System.String,System.Object[])"/> explaining why the assertion
/// is needed. If the phrase does not start with the word <i>because</i>, it is prepended automatically.</param>
/// <param name="becauseArgs">Zero or more objects to format using the placeholders in <see cref="!:because"/>.</param>
public AndConstraint <TypeAssertions> NotHaveMethod(string name, IEnumerable <Type> parameterTypes, string because = "", params object[] becauseArgs)
{
MethodInfo methodInfo = Subject.GetMethod(name, parameterTypes);
string methodInfoDescription = "";
if (methodInfo != null)
{
methodInfoDescription = MethodInfoAssertions.GetDescriptionFor(methodInfo);
}
Execute.Assertion.ForCondition(methodInfo == null)
.BecauseOf(because, becauseArgs)
.FailWith(string.Format("Expected method {0}({1}) to not exist{{reason}}, but it does.", methodInfoDescription,
GetParameterString(parameterTypes)));
return(new AndConstraint <TypeAssertions>(this));
}
private static string GetDescriptionsFor(IEnumerable <MethodInfo> methods)
{
IEnumerable <string> descriptions = methods.Select(method => MethodInfoAssertions.GetDescriptionFor(method));
return(string.Join(Environment.NewLine, descriptions));
}
