dart-sdk/tests/language_2/generic_methods_simple_as_expression_test.dart
Bob Nystrom 615be6451e Migrate block 114 (and some of 113).
generic_instanceof ... getter_closure_execution_order_test.

The main interesting one is generic_methods_type_expression_test. It
was testing old Dart 1.0-specific behavior and needed a lot of changes.

R=jmesserly@google.com

Review-Url: https://codereview.chromium.org/3001803002 .
2017-08-24 10:52:29 -07:00

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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 type parameters in generic methods can be used in as-expressions.
library generic_methods_simple_as_expression_test;
import "package:expect/expect.dart";
T cast<T>(dynamic obj) {
return obj as T;
}
main() {
Expect.equals(cast<num>(42), 42); //# 01: ok
cast<String>(42); //# 02: runtime error
}