dart-sdk/tests/corelib/apply5_test.dart
Greg Littlefield cd8124cdcf JS: Use direct function invocation when possible for calls with 4 or 5 args (#26268)
* Use direct function invocation when possible for calls with 4 or 5 args

* Add test for Function.apply called with 0-5 arguments
2016-05-13 10:13:46 -07:00

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Dart

// Copyright (c) 2016, 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";
// Testing that, when compiled to JS, Function.apply works correctly for
// functions with that will be invoked directly vs using .apply().
class A {
foo([a = 10, b = 20, c = 30, d = 40, e = 50]) => "$a $b $c $d $e";
}
main() {
var a = new A();
var clos = a.foo;
Expect.equals(Function.apply(clos, []), "10 20 30 40 50");
Expect.equals(Function.apply(clos, [11]), "11 20 30 40 50");
Expect.equals(Function.apply(clos, [11, 21]), "11 21 30 40 50");
Expect.equals(Function.apply(clos, [11, 21, 31]), "11 21 31 40 50");
Expect.equals(Function.apply(clos, [11, 21, 31, 41]), "11 21 31 41 50");
Expect.equals(Function.apply(clos, [11, 21, 31, 41, 51]), "11 21 31 41 51");
}