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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | |
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. | |
4 | |
5 // Test [Function.apply] on user-defined classes that implement [noSuchMethod]. | |
6 | |
7 import "package:expect/expect.dart"; | |
8 import 'dart:mirrors'; | |
9 | |
10 class F { | |
11 call([p1]) => "call"; | |
12 noSuchMethod(Invocation invocation) => "NSM"; | |
13 } | |
14 | |
15 class G { | |
16 call() => '42'; | |
17 noSuchMethod(Invocation invocation) => invocation; | |
18 } | |
19 | |
20 class H { | |
21 call(required, {a}) => required + a; | |
22 } | |
23 | |
24 main() { | |
25 Expect.equals('call', Function.apply(new F(), [])); | |
26 Expect.equals('call', Function.apply(new F(), [1])); | |
27 Expect.equals('NSM', Function.apply(new F(), [1, 2])); | |
28 Expect.equals('NSM', Function.apply(new F(), [1, 2, 3])); | |
29 | |
30 var symbol = const Symbol('a'); | |
31 var requiredParameters = [1]; | |
32 var optionalParameters = new Map<Symbol, int>()..[symbol] = 42; | |
33 Invocation i = | |
34 Function.apply(new G(), requiredParameters, optionalParameters); | |
35 | |
36 Expect.equals(const Symbol('call'), i.memberName); | |
37 Expect.listEquals(requiredParameters, i.positionalArguments); | |
38 Expect.mapEquals(optionalParameters, i.namedArguments); | |
39 Expect.isTrue(i.isMethod); | |
40 Expect.isFalse(i.isGetter); | |
41 Expect.isFalse(i.isSetter); | |
42 Expect.isFalse(i.isAccessor); | |
43 | |
44 // Check that changing the passed list and map for parameters does | |
45 // not affect [i]. | |
46 requiredParameters[0] = 42; | |
47 optionalParameters[symbol] = 12; | |
48 Expect.listEquals([1], i.positionalArguments); | |
49 Expect.mapEquals(new Map()..[symbol] = 42, i.namedArguments); | |
50 | |
51 // Check that using [i] for invocation yields the same [Invocation] | |
52 // object. | |
53 var mirror = reflect(new G()); | |
54 Invocation other = mirror.delegate(i); | |
55 Expect.equals(i.memberName, other.memberName); | |
56 Expect.listEquals(i.positionalArguments, other.positionalArguments); | |
57 Expect.mapEquals(i.namedArguments, other.namedArguments); | |
58 Expect.equals(i.isMethod, other.isMethod); | |
59 Expect.equals(i.isGetter, other.isGetter); | |
60 Expect.equals(i.isSetter, other.isSetter); | |
61 Expect.equals(i.isAccessor, other.isAccessor); | |
62 | |
63 // Test that [i] can be used to hit an existing method. | |
64 Expect.equals(43, new H().call(1, a: 42)); | |
65 Expect.equals(43, Function.apply(new H(), [1], new Map()..[symbol] = 42)); | |
66 mirror = reflect(new H()); | |
67 Expect.equals(43, mirror.delegate(i)); | |
68 Expect.equals(43, mirror.delegate(other)); | |
69 } | |
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