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Unified Diff: tests/language/syncstar_yield_test.dart

Issue 839323003: Implementation of async-await transformation on js ast. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Implement new ssa-nodes in ssa-tracer. Created 5 years, 11 months ago
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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.
+}

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