mirror of
https://github.com/dart-lang/sdk
synced 2024-09-16 00:09:49 +00:00
ba92b78acd
Bug: https://github.com/dart-lang/sdk/issues/42821 Change-Id: I153c48d7a2e4a02026928e6203aacf8f2dc029ba Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/155849 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
44 lines
1.1 KiB
Dart
44 lines
1.1 KiB
Dart
// Copyright (c) 2012, 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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// Tests the type checking when passing code into closure from inside a factory method
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import "package:expect/expect.dart";
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abstract class Foo<T> {
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factory Foo.from() = Bar<T>.from;
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}
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class Bar<T> implements Foo<T> {
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Bar() {}
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factory Bar.from() {
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var func = (T arg) {
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T foo = arg;
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bool isString = foo is String;
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print(arg);
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print(" String=$isString");
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};
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func("Hello World!");
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// ^^^^^^^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.ARGUMENT_TYPE_NOT_ASSIGNABLE
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// [cfe] The argument type 'String' can't be assigned to the parameter type 'T'.
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return new Bar<T>();
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}
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}
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main() {
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Foo<String> value1;
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value1 = new Foo<String>.from();
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bool gotError = false;
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try {
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Foo<int> value2 = new Foo<int>.from();
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} on TypeError catch (e) {
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gotError = true;
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}
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Expect.equals(false, gotError);
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}
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