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Unified Diff: pkg/front_end/testcases/inference/future_union_upwards_generic_methods.dart

Issue 2846103002: Generated front_end/testcases/inference test files from Analyzer tests. (Closed)
Patch Set: Created 3 years, 8 months ago
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Index: pkg/front_end/testcases/inference/future_union_upwards_generic_methods.dart
diff --git a/pkg/front_end/testcases/inference/future_union_upwards_generic_methods.dart b/pkg/front_end/testcases/inference/future_union_upwards_generic_methods.dart
new file mode 100644
index 0000000000000000000000000000000000000000..32f29108f6131ee174631a2e825b6cc6178f0b80
--- /dev/null
+++ b/pkg/front_end/testcases/inference/future_union_upwards_generic_methods.dart
@@ -0,0 +1,30 @@
+// Copyright (c) 2017, 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.
+
+/*@testedFeatures=inference*/
+library test;
+
+import 'dart:async';
+
+main() async {
+ var /*@type=Future<B>*/ b = new Future<B>.value(new B());
+ var /*@type=Future<C>*/ c = new Future<C>.value(new C());
+ var /*@type=List<Future<A>>*/ lll = /*@typeArgs=Future<A>*/ [
+ /*@promotedType=none*/ b,
+ /*@promotedType=none*/ c
+ ];
+ var /*@type=List<A>*/ result = await Future.wait(/*@promotedType=none*/ lll);
+ var /*@type=List<A>*/ result2 = await Future.wait(/*@typeArgs=Future<A>*/ [
+ /*@promotedType=none*/ b,
+ /*@promotedType=none*/ c
+ ]);
+ List<A> list = /*@promotedType=none*/ result;
+ list = /*@promotedType=none*/ result2;
+}
+
+class A {}
+
+class B extends A {}
+
+class C extends A {}

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