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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 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 | 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 library lib; | 5 library lib; |
| 6 | 6 |
| 7 @MirrorsUsed(targets: "lib") | 7 @MirrorsUsed(targets: "lib") |
| 8 import "dart:mirrors"; | 8 import "dart:mirrors"; |
| 9 | 9 |
| 10 import "package:expect/expect.dart"; | 10 import "package:expect/expect.dart"; |
| 11 | 11 |
| 12 membersOf(ClassMirror cm) { | 12 membersOf(ClassMirror cm) { |
| 13 var result = new Map(); | 13 var result = new Map(); |
| 14 cm.declarations.forEach((k,v) { | 14 cm.declarations.forEach((k, v) { |
| 15 if(v is MethodMirror && !v.isConstructor) result[k] = v; | 15 if (v is MethodMirror && !v.isConstructor) result[k] = v; |
| 16 if(v is VariableMirror) result[k] = v; | 16 if (v is VariableMirror) result[k] = v; |
| 17 }); | 17 }); |
| 18 return result; | 18 return result; |
| 19 } | 19 } |
| 20 | 20 |
| 21 class WannabeFunction { | 21 class WannabeFunction { |
| 22 int call(int a, int b) => a + b; | 22 int call(int a, int b) => a + b; |
| 23 method(x) => x * x; | 23 method(x) => x * x; |
| 24 } | 24 } |
| 25 | 25 |
| 26 main() { | 26 main() { |
| 27 Expect.isTrue(new WannabeFunction() is Function); | 27 Expect.isTrue(new WannabeFunction() is Function); |
| 28 | 28 |
| 29 ClosureMirror cm = reflect(new WannabeFunction()); | 29 ClosureMirror cm = reflect(new WannabeFunction()); |
| 30 Expect.equals(7, cm.invoke(#call, [3,4]).reflectee); | 30 Expect.equals(7, cm.invoke(#call, [3, 4]).reflectee); |
| 31 Expect.throws(() => cm.invoke(#call, [3]), | 31 Expect.throws(() => cm.invoke(#call, [3]), (e) => e is NoSuchMethodError, |
| 32 (e) => e is NoSuchMethodError, | 32 "Wrong arity"); |
| 33 "Wrong arity"); | |
| 34 Expect.equals(49, cm.invoke(#method, [7]).reflectee); | 33 Expect.equals(49, cm.invoke(#method, [7]).reflectee); |
| 35 Expect.throws(() => cm.invoke(#method, [3, 4]), | 34 Expect.throws(() => cm.invoke(#method, [3, 4]), (e) => e is NoSuchMethodError, |
| 36 (e) => e is NoSuchMethodError, | 35 "Wrong arity"); |
| 37 "Wrong arity"); | 36 Expect.equals(7, cm.apply([3, 4]).reflectee); |
| 38 Expect.equals(7, cm.apply([3,4]).reflectee); | 37 Expect.throws( |
| 39 Expect.throws(() => cm.apply([3]), | 38 () => cm.apply([3]), (e) => e is NoSuchMethodError, "Wrong arity"); |
| 40 (e) => e is NoSuchMethodError, | |
| 41 "Wrong arity"); | |
| 42 | 39 |
| 43 MethodMirror mm = cm.function; | 40 MethodMirror mm = cm.function; |
| 44 Expect.equals(#call, mm.simpleName); | 41 Expect.equals(#call, mm.simpleName); |
| 45 Expect.equals(reflectClass(WannabeFunction), mm.owner); | 42 Expect.equals(reflectClass(WannabeFunction), mm.owner); |
| 46 Expect.isTrue(mm.isRegularMethod); | 43 Expect.isTrue(mm.isRegularMethod); |
| 47 Expect.equals(#int, mm.returnType.simpleName); | 44 Expect.equals(#int, mm.returnType.simpleName); |
| 48 Expect.equals(#int, mm.parameters[0].type.simpleName); | 45 Expect.equals(#int, mm.parameters[0].type.simpleName); |
| 49 Expect.equals(#int, mm.parameters[1].type.simpleName); | 46 Expect.equals(#int, mm.parameters[1].type.simpleName); |
| 50 | 47 |
| 51 ClassMirror km = cm.type; | 48 ClassMirror km = cm.type; |
| 52 Expect.equals(reflectClass(WannabeFunction), km); | 49 Expect.equals(reflectClass(WannabeFunction), km); |
| 53 Expect.equals(#WannabeFunction, km.simpleName); | 50 Expect.equals(#WannabeFunction, km.simpleName); |
| 54 Expect.equals(mm, km.declarations[#call]); | 51 Expect.equals(mm, km.declarations[#call]); |
| 55 Expect.setEquals([#call, #method], membersOf(km).keys); | 52 Expect.setEquals([#call, #method], membersOf(km).keys); |
| 56 } | 53 } |
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