Dmitry Stefantsov
1ec9c97924
(`tests/language_strong/generic_methods_*`) are reused as 'golden' tests for 'reify' transformation. R=asgerf@google.com Review-Url: https://codereview.chromium.org/2756693002 .
39 lines
960 B
Dart
39 lines
960 B
Dart
// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Test that if the type of a parameter of a generic method depends on a type
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// parameter, the type of the passed argument is checked at runtime if the
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// receiver is dynamic. The checks should pass if the variables are declared
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// correctly.
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library generic_methods_dynamic_test;
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import "test_base.dart";
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class A {}
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class B {}
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class C {
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T foo<T>(T t) => t;
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List<T> bar<T>(Iterable<T> t) => <T>[t.first];
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}
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main() {
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B b = new B();
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C c = new C();
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dynamic obj = c;
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expectTrue(c.foo<B>(b) == b);
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expectTrue(obj.foo<B>(b) == b);
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dynamic x = c.bar<B>(<B>[new B()]);
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expectTrue(x is List<B>);
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expectTrue(x.length == 1);
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dynamic y = obj.bar<B>(<B>[new B()]);
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expectTrue(y is List<B>);
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expectTrue(y.length == 1);
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}
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