dart-sdk/tests/language_2/callable_test.dart
Bob Nystrom ba84855c0a Migrate the lingering language_strong tests over to language_2.
Change-Id: I4d60b650a2146c1d9be0fd0c5f98eac85f9e2eb1
Reviewed-on: https://dart-review.googlesource.com/16333
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
2017-10-27 23:44:08 +00:00

67 lines
1.3 KiB
Dart

// Copyright (c) 2012, 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.
import 'package:expect/expect.dart';
class X {
call() => 42;
}
class XX extends X {
XX.named();
}
class Y {
call(int x) => 87 + x;
static int staticMethod(int x) => x + 1;
}
class Z<T> {
final T value;
Z(this.value);
T call() => value;
static int staticMethod(int x) => x + 1;
}
typedef F(int x);
typedef G(String y);
typedef H();
typedef T I<T>();
main() {
X x = new X();
Function f = x; // Should pass checked mode test
Y y = new Y();
Function g = y; // Should pass checked mode test
F f0 = y; // Should pass checked mode test
F f1 = x; //# 00: compile-time error
G g0 = y; //# 01: compile-time error
Expect.equals(f(), 42);
Expect.equals(g(100), 187);
var z = new Z<int>(123);
Expect.equals(z(), 123);
Expect.equals((z as dynamic)(), 123);
Expect.equals(Y.staticMethod(6), 7);
Expect.equals(Z.staticMethod(6), 7);
var xx = new XX.named();
Expect.equals(xx(), 42);
H xx2 = new XX.named();
Expect.equals(xx2(), 42);
Expect.throwsTypeError(() {
F f2 = x as dynamic;
});
Expect.throwsTypeError(() {
G g1 = y as dynamic;
});
}