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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 // Test that native methods with unnamed* optional arguments are called with the | 5 // Test that native methods with unnamed* optional arguments are called with the |
| 6 // number of arguments in the call site. This is necessary because native | 6 // number of arguments in the call site. This is necessary because native |
| 7 // methods can dispatch on the number of arguments. Passing null or undefined | 7 // methods can dispatch on the number of arguments. Passing null or undefined |
| 8 // as the last argument is not the same as passing one fewer argument. | 8 // as the last argument is not the same as passing one fewer argument. |
| 9 // | 9 // |
| 10 // * Named arguments are passed in the correct position, so require preceding | 10 // * Named arguments are passed in the correct position, so require preceding |
| 11 // arguments to be passed. | 11 // arguments to be passed. |
| 12 | 12 |
| 13 class A native "*A" { | 13 class A native "*A" { |
| 14 int foo(int x) native; | 14 int foo(int x) native; |
| 15 } | 15 } |
| 16 | 16 |
| 17 class B native "*B" { | 17 class B native "*B" { |
| 18 int foo([x, y, z]) native; | 18 int foo([x, y, z]) native; |
| 19 } | 19 } |
| 20 | 20 |
| 21 // TODO(sra): Add a case where the parameters have default values. Wait until | 21 // TODO(sra): Add a case where the parameters have default values. Wait until |
| 22 // dart:html need non-null default values. | 22 // dart:dom_deprecated / dart:html need non-null default values. |
| 23 | 23 |
| 24 A makeA() native { return new A(); } | 24 A makeA() native { return new A(); } |
| 25 B makeB() native { return new B(); } | 25 B makeB() native { return new B(); } |
| 26 | 26 |
| 27 void setup() native """ | 27 void setup() native """ |
| 28 function A() {} | 28 function A() {} |
| 29 A.prototype.foo = function () { return arguments.length; }; | 29 A.prototype.foo = function () { return arguments.length; }; |
| 30 | 30 |
| 31 function B() {} | 31 function B() {} |
| 32 B.prototype.foo = function () { return arguments.length; }; | 32 B.prototype.foo = function () { return arguments.length; }; |
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| 75 Expect.equals(2, b.foo(y: 20)); | 75 Expect.equals(2, b.foo(y: 20)); |
| 76 Expect.equals(3, b.foo(z: 30)); | 76 Expect.equals(3, b.foo(z: 30)); |
| 77 Expect.throws(() => b.foo(10, 20, 30, 40)); | 77 Expect.throws(() => b.foo(10, 20, 30, 40)); |
| 78 } | 78 } |
| 79 | 79 |
| 80 main() { | 80 main() { |
| 81 setup(); | 81 setup(); |
| 82 testDynamicContext(); | 82 testDynamicContext(); |
| 83 testStaticContext(); | 83 testStaticContext(); |
| 84 } | 84 } |
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