Index: tests/language/syncstar_yield_test.dart |
diff --git a/tests/language/syncstar_yield_test.dart b/tests/language/syncstar_yield_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..c07b904814ba17eb10e199141b79d9e81cd64ada |
--- /dev/null |
+++ b/tests/language/syncstar_yield_test.dart |
@@ -0,0 +1,47 @@ |
+// Copyright (c) 2015, 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. |
+ |
+import "package:expect/expect.dart"; |
+ |
+Iterable<int> foo1() sync* { |
+ yield 1; |
+} |
+ |
+Iterable<int> foo2(p) sync* { |
+ bool t = false; |
+ yield null; |
+ while (true) { |
+ a: for (int i = 0; i < p; i++) { |
+ if (!t) { |
+ for (int j = 0; j < 3; j++) { |
+ yield -1; |
+ t = true; |
+ break a; |
+ } |
+ } |
+ yield i; |
+ } |
+ } |
+} |
+ |
+// p will be shared between all Iterators from the Iterable returned by foo3. |
+// On the other hand each iterator will have its own i. |
+Iterable<int> foo3(int p) sync* { |
+ int i = 0; |
+ i++; |
+ p++; |
+ yield p + i; |
+} |
+ |
+main() { |
+ Expect.listEquals([1], foo1().toList()); |
+ Expect.listEquals([null, -1, 0, 1, 2, 3, 0, 1, 2, 3], foo2(4).take(10).toList()); |
floitsch
2015/02/02 22:00:12
long line.
sigurdm
2015/02/03 16:59:33
Done.
|
+ Iterable t = foo3(0); |
+ Iterator i1 = t.iterator; |
floitsch
2015/02/02 22:00:12
it1
sigurdm
2015/02/03 16:59:33
Done.
|
+ Iterator i2 = t.iterator; |
floitsch
2015/02/02 22:00:12
it2
sigurdm
2015/02/03 16:59:33
Done.
|
+ i1.moveNext(); |
+ i2.moveNext(); |
+ Expect.equals(2, i1.current); |
+ Expect.equals(3, i2.current); |
floitsch
2015/02/02 22:00:12
Expect.isFalse(i1.moveNext());
Expect.isFalse(i2.m
sigurdm
2015/02/03 16:59:33
Done.
|
+} |