tests/corelib/has_next_iterator_test.dart - Issue 2989643002: Migrate test block 8 to Dart 2.0.

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Side by Side Diff: tests/corelib/has_next_iterator_test.dart

Issue 2989643002: Migrate test block 8 to Dart 2.0. (Closed)

Patch Set: Merge Created 3 years, 4 months ago

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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file

2 // for details. All rights reserved. Use of this source code is governed by a

3 // BSD-style license that can be found in the LICENSE file.

4

5 library hasNextIterator.test;

6

7 import "package:expect/expect.dart";

8 import 'dart:collection';

9

10 main() {

11 var it = new HasNextIterator([].iterator);

12 Expect.isFalse(it.hasNext);

13 Expect.isFalse(it.hasNext);

14 Expect.throws(() => it.next(), (e) => e is StateError);

15 Expect.isFalse(it.hasNext);

16

17 it = new HasNextIterator([1].iterator);

18 Expect.isTrue(it.hasNext);

19 Expect.isTrue(it.hasNext);

20 Expect.equals(1, it.next());

21 Expect.isFalse(it.hasNext);

22 Expect.isFalse(it.hasNext);

23 Expect.throws(() => it.next(), (e) => e is StateError);

24 Expect.isFalse(it.hasNext);

25

26 it = new HasNextIterator([1, 2].iterator);

27 Expect.isTrue(it.hasNext);

28 Expect.isTrue(it.hasNext);

29 Expect.equals(1, it.next());

30 Expect.isTrue(it.hasNext);

31 Expect.isTrue(it.hasNext);

32 Expect.equals(2, it.next());

33 Expect.isFalse(it.hasNext);

34 Expect.isFalse(it.hasNext);

35 Expect.throws(() => it.next(), (e) => e is StateError);

36 Expect.isFalse(it.hasNext);

37 }

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