Index: pkg/kernel/testcases/reify/generic_methods_recursive_bound_error_test.dart |
diff --git a/pkg/kernel/testcases/reify/generic_methods_recursive_bound_error_test.dart b/pkg/kernel/testcases/reify/generic_methods_recursive_bound_error_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..c90957daf2f570d2938db80c736357935a4d98c7 |
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+++ b/pkg/kernel/testcases/reify/generic_methods_recursive_bound_error_test.dart |
@@ -0,0 +1,33 @@ |
+// 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. |
+ |
+// Test that F-bounded quantification works for generic methods, and that types |
+// that are passed to generic methods in dynamic calls are checked for being |
+// recursively defined. An exception should be thrown if the type doesn't meet |
+// the expectation. |
+ |
+library generic_methods_recursive_bound_error_test; |
+ |
+import "test_base.dart"; |
+ |
+abstract class I<T> { |
+ bool fun(T x); |
+} |
+ |
+void foo<T extends I<T>>(List<T> a) { |
+ if (a.length > 1) { |
+ a[0].fun(a[1]); |
+ } |
+} |
+ |
+class C implements I<C> { |
+ bool fun(C c) => true; |
+} |
+ |
+main() { |
+ dynamic bar = foo; |
+ List<int> list = <int>[4, 2]; |
+ // The type int does not extend I<int>. |
+ expectThrows(() => bar<int>(list), (e) => e is TypeError); |
+} |