blob: 378fa257dcfcd873a393f8b6f3508fbe72163689 [file] [log] [blame]
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
/// @assertion E first
/// Returns the first element.
/// Throws a StateError if this is empty. Otherwise returs the first element
/// in the iteration order, equivalent to (iterator..moveNext())..current.
/// @description Checks that the method returns the first element.
/// @author kaigorodov
library first_A01_t01;
import "../../../Utils/expect.dart";
check(Iterable create([Iterable content]), Iterable source) {
Expect.equals(source.first, create(source).first);
test(Iterable create([Iterable content])) {
check(create, [0]);
check(create, [1]);
check(create, [1, 2, 3]);