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Unified Diff: tests/language/inference_super_constructor_call_test.dart

Issue 23680015: Fix bug in inferrer: a super constructor call goes through the visitSuperSend in the resolved visit… (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 7 years, 3 months ago
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Index: tests/language/inference_super_constructor_call_test.dart
===================================================================
--- tests/language/inference_super_constructor_call_test.dart (revision 0)
+++ tests/language/inference_super_constructor_call_test.dart (revision 0)
@@ -0,0 +1,26 @@
+// Copyright (c) 2013, 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.
+
+// Regression test for dart2js's inferrer that used to not propagate
+// types given to generative constructors in super constructor calls.
+
+import "package:expect/expect.dart";
+
+class A {
+ final field;
+ A.full(this.field);
+}
+
+class B extends A {
+ // The following super call used to not be analyzed properly.
+ B.full(field) : super.full(field);
+}
+
+main() {
+ // Call [A.full] with an int to have the inferrer think [field] is
+ // always an int.
+ Expect.equals(84, new A.full(42).field + 42);
+ Expect.throws(() => new B.full(null).field + 42,
+ (e) => e is NoSuchMethodError);
+}
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