/// <summary>Verifies mutations are prevented on methods.</summary>
/// <param name="type">Type to verify.</param>
/// <param name="callAllMethods">Run instance methods to validate factory parameters.</param>
/// <param name="injectionValues">Values to inject into the method.</param>
internal void PreventsMutationOnStatics(Type type, bool callAllMethods, params object[] injectionValues)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
foreach (MethodInfo method in FindAllMethods(type, BindingFlags.Static))
{
PreventsMutation(null, Fixer.FixMethod(method),
callAllMethods && method.ReturnType.Inherits(type), injectionValues);
}
}
/// <summary>Verifies mutations are prevented on methods.</summary>
/// <param name="instance">Instance to test the methods on.</param>
/// <param name="injectionValues">Values to inject into the method.</param>
internal void PreventsMutationOnMethods(object instance, params object[] injectionValues)
{
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
foreach (MethodInfo method in FindAllMethods(instance.GetType(), BindingFlags.Instance)
.Where(m => m.Name is not "Finalize" and not "Dispose"))
{
PreventsMutation(instance, Fixer.FixMethod(method), false, injectionValues);
}
}
/// <summary>Calls all methods to test parameter being set to null.</summary>
/// <param name="testOrigin">Method under test.</param>
/// <param name="testParam">Parameter being set to null.</param>
/// <param name="instance">Instance whose methods to test.</param>
/// <param name="injectionValues">Values to inject into the method.</param>
protected void CallAllMethods(MethodBase testOrigin,
ParameterInfo testParam, object instance, object[] injectionValues)
{
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
foreach (MethodInfo method in FindAllMethods(instance.GetType(), BindingFlags.Instance)
.Where(m => m.Name is not "Finalize" and not "Dispose")
.Where(m => !m.IsFamily)
.Select(m => Fixer.FixMethod(m)))
{
object[] data = Randomizer.CreateFor(method, injectionValues).Args.ToArray();
try
{
Disposer.Cleanup(RunCheck(testOrigin ?? method, testParam, () => method.Invoke(instance, data)));
}
finally
{
DisposeAllButInjected(injectionValues, data);
}
}
}