/// <summary>
/// Searches for the item that matches the conditions defined by the specified predicate expression
/// and returns the zero-based index of the first occurrence.
/// </summary>
/// <param name="predicateExpression">The predicate expression to test each item.</param>
/// <returns>The zero-based index of the first occurrence of item, if found; otherwise, <c>–1</c>.</returns>
public DataProvider <int, TOwner> IndexOf(Expression <Func <TItem, bool> > predicateExpression)
{
predicateExpression.CheckNotNull(nameof(predicateExpression));
string itemName = UIComponentResolver.ResolveControlName <TItem, TOwner>(predicateExpression);
return(Component.GetOrCreateDataProvider(
$"{ComponentPartName} index of \"{itemName}\" {ItemComponentTypeName}",
() => IndexOf(itemName, predicateExpression)));
}
/// <summary>
/// Gets the control that matches the conditions defined by the specified predicate expression.
/// </summary>
/// <param name="predicateExpression">The predicate expression to test each item.</param>
/// <returns>The first item that matches the conditions of the specified predicate.</returns>
public TItem this[Expression <Func <TItem, bool> > predicateExpression]
{
get
{
predicateExpression.CheckNotNull(nameof(predicateExpression));
string itemName = UIComponentResolver.ResolveControlName <TItem, TOwner>(predicateExpression);
return(GetItem(itemName, predicateExpression));
}
}
public static TOwner Contain <TControl, TOwner>(this IDataVerificationProvider <IEnumerable <TControl>, TOwner> should, Expression <Func <TControl, bool> > predicateExpression)
where TControl : Control <TOwner>
where TOwner : PageObject <TOwner>
{
predicateExpression.CheckNotNull(nameof(predicateExpression));
var predicate = predicateExpression.Compile();
return(should.Satisfy(
actual => actual != null && actual.Any(predicate),
$"contain \"{UIComponentResolver.ResolveControlName<TControl, TOwner>(predicateExpression)}\" {UIComponentResolver.ResolveControlTypeName<TControl>()}"));
}
