dart-sdk/tests/language/generic_methods/bounds_test.dart
Robert Nystrom b4d17e9c07 Migrate language_2/generic_methods to NNBD.
Change-Id: I3ec18bb7e7cfb087a58d744d357bf004c0438ba9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/147813
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Erik Ernst <eernst@google.com>
2020-05-14 01:41:56 +00:00

27 lines
607 B
Dart

// 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 a dynamic call to a generic function checks the type argument
// against its bound.
library generic_methods_bounds_test;
import "package:expect/expect.dart";
class A {}
class B {}
class C {
void fun<T extends A>(T t) {}
}
main() {
C c = new C();
c.fun<B>(new B()); //# 01: compile-time error
dynamic obj = new C();
obj.fun<B>(new B()); //# 02: runtime error
}