| // 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. |
| // Test that fast method extraction returns correct closure. |
| // VMOptions=--optimization-counter-threshold=10 --no-use-osr |
| |
| import "package:expect/expect.dart"; |
| |
| class A { |
| var f; |
| A(this.f); |
| foo() => 40 + f; |
| } |
| |
| class B { |
| var f; |
| B(this.f); |
| foo() => -40 - f; |
| } |
| |
| class X {} |
| |
| class C<T> { |
| foo(v) => v is T; |
| } |
| |
| class ChaA { |
| final magic; |
| ChaA(magic) : this.magic = magic; |
| |
| foo() { |
| Expect.isTrue(this is ChaA); |
| Expect.equals("magicA", magic); |
| return "A"; |
| } |
| |
| bar() => foo; |
| } |
| |
| class ChaB extends ChaA { |
| ChaB(magic) : super(magic); |
| |
| foo() { |
| Expect.isTrue(this is ChaB); |
| Expect.equals("magicB", magic); |
| return "B"; |
| } |
| } |
| |
| mono(a) { |
| var f = a.foo; |
| return f(); |
| } |
| |
| poly(a) { |
| var f = a.foo; |
| return f(); |
| } |
| |
| types(a, b) { |
| var f = a.foo; |
| Expect.isTrue(f(b)); |
| } |
| |
| cha(a) { |
| var f = a.bar(); |
| return f(); |
| } |
| |
| extractFromNull() { |
| var f = (null).toString; |
| Expect.equals("null", f()); |
| } |
| |
| main() { |
| var a = new A(2); |
| var b = new B(2); |
| for (var i = 0; i < 20; i++) { |
| Expect.equals(42, mono(a)); |
| } |
| |
| for (var i = 0; i < 20; i++) { |
| Expect.equals(42, poly(a)); |
| Expect.equals(-42, poly(b)); |
| } |
| |
| var c = new C<X>(); |
| var x = new X(); |
| for (var i = 0; i < 20; i++) { |
| types(c, x); |
| } |
| |
| var chaA = new ChaA("magicA"); |
| for (var i = 0; i < 20; i++) { |
| Expect.equals("A", cha(chaA)); |
| } |
| |
| var chaB = new ChaB("magicB"); |
| for (var i = 0; i < 20; i++) { |
| Expect.equals("B", cha(chaB)); |
| } |
| |
| for (var i = 0; i < 20; i++) { |
| extractFromNull(); |
| } |
| } |