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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 library MirrorsTest; | 5 library MirrorsTest; |
| 6 | 6 |
| 7 import 'dart:mirrors'; | 7 import 'dart:mirrors'; |
| 8 | 8 |
| 9 import '../../light_unittest.dart'; | 9 import '../../light_unittest.dart'; |
| 10 | 10 |
| (...skipping 27 matching lines...) Expand all Loading... |
| 38 testInvoke(mirrors) { | 38 testInvoke(mirrors) { |
| 39 var instance = new Class(); | 39 var instance = new Class(); |
| 40 var instMirror = reflect(instance); | 40 var instMirror = reflect(instance); |
| 41 | 41 |
| 42 expect(instMirror.invoke(const Symbol("m"),['A', 'B', instance]).reflectee, | 42 expect(instMirror.invoke(const Symbol("m"),['A', 'B', instance]).reflectee, |
| 43 equals({"a": 'A', "b":'B', "c": instance})); | 43 equals({"a": 'A', "b":'B', "c": instance})); |
| 44 expect(instMirror.invoke(const Symbol("notDefined"), []).reflectee, | 44 expect(instMirror.invoke(const Symbol("notDefined"), []).reflectee, |
| 45 equals("DNU")); | 45 equals("DNU")); |
| 46 expect(instMirror.invoke(const Symbol("m"), []).reflectee, | 46 expect(instMirror.invoke(const Symbol("m"), []).reflectee, |
| 47 equals("DNU")); // Wrong arity. | 47 equals("DNU")); // Wrong arity. |
| 48 // TODO(rmacnak): Implement access to private members. | |
| 49 // expect(instMirror.invoke(const Symbol("_n"), [3, 4]).reflectee, | |
| 50 // equals(7)); | |
| 51 | 48 |
| 52 var classMirror = instMirror.type; | 49 var classMirror = instMirror.type; |
| 53 expect(classMirror.invoke(const Symbol("s"),['A', 'B', instance]).reflectee, | 50 expect(classMirror.invoke(const Symbol("s"),['A', 'B', instance]).reflectee, |
| 54 equals({"a": 'A', "b":'B', "c": instance})); | 51 equals({"a": 'A', "b":'B', "c": instance})); |
| 55 expect(() => classMirror.invoke(const Symbol("notDefined"), []).reflectee, | 52 expect(() => classMirror.invoke(const Symbol("notDefined"), []).reflectee, |
| 56 throws); | 53 throws); |
| 57 expect(() => classMirror.invoke(const Symbol("s"), []).reflectee, | 54 expect(() => classMirror.invoke(const Symbol("s"), []).reflectee, |
| 58 throws); // Wrong arity. | 55 throws); // Wrong arity. |
| 59 // TODO(rmacnak): Implement access to private members. | |
| 60 // expect(classMirror.invoke(const Symbol("_t"), [3, 4]).reflectee, | |
| 61 // equals(7)); | |
| 62 | 56 |
| 63 var libMirror = classMirror.owner; | 57 var libMirror = classMirror.owner; |
| 64 expect(libMirror.invoke(const Symbol("u"),['A', 'B', instance]).reflectee, | 58 expect(libMirror.invoke(const Symbol("u"),['A', 'B', instance]).reflectee, |
| 65 equals({"a": 'A', "b":'B', "c": instance})); | 59 equals({"a": 'A', "b":'B', "c": instance})); |
| 66 expect(() => libMirror.invoke(const Symbol("notDefined"), []).reflectee, | 60 expect(() => libMirror.invoke(const Symbol("notDefined"), []).reflectee, |
| 67 throws); | 61 throws); |
| 68 expect(() => libMirror.invoke(const Symbol("u"), []).reflectee, | 62 expect(() => libMirror.invoke(const Symbol("u"), []).reflectee, |
| 69 throws); // Wrong arity. | 63 throws); // Wrong arity. |
| 70 // NB: This works on the VM but fails at compile-time on dart2js. | |
| 71 // expect(libMirror.invoke(const Symbol("_v"), [3, 4]).reflectee, | |
| 72 // equals(7)); | |
| 73 } | |
| 74 | |
| 75 testInstanceFieldAccess(mirrors) { | |
| 76 var instance = new Class(); | |
| 77 var instMirror = reflect(instance); | |
| 78 | |
| 79 instMirror.setFieldAsync(const Symbol('field'), 44); | |
| 80 instMirror.getFieldAsync(const Symbol('field')).then( | |
| 81 expectAsync1((resultMirror) { | |
| 82 expect(resultMirror.reflectee, equals(44)); | |
| 83 expect(instance.field, equals(44)); | |
| 84 })); | |
| 85 } | 64 } |
| 86 | 65 |
| 87 /// In dart2js, lists, numbers, and other objects are treated special | 66 /// In dart2js, lists, numbers, and other objects are treated special |
| 88 /// and their methods are invoked through a techique called interceptors. | 67 /// and their methods are invoked through a techique called interceptors. |
| 89 testIntercepted(mirrors) { | 68 testIntercepted(mirrors) { |
| 90 var instance = 1; | 69 var instance = 1; |
| 91 var instMirror = reflect(instance); | 70 var instMirror = reflect(instance); |
| 92 | 71 |
| 93 expect(instMirror.invoke(const Symbol('toString'), []).reflectee, | 72 expect(instMirror.invoke(const Symbol('toString'), []).reflectee, |
| 94 equals('1')); | 73 equals('1')); |
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| 117 var fieldMirror = classMirror.members[const Symbol('field')]; | 96 var fieldMirror = classMirror.members[const Symbol('field')]; |
| 118 var future; | 97 var future; |
| 119 | 98 |
| 120 expect(fieldMirror is VariableMirror, isTrue); | 99 expect(fieldMirror is VariableMirror, isTrue); |
| 121 expect(fieldMirror.type, equals(mirrors.dynamicType)); | 100 expect(fieldMirror.type, equals(mirrors.dynamicType)); |
| 122 | 101 |
| 123 libMirror.setField(const Symbol('topLevelField'), [91]); | 102 libMirror.setField(const Symbol('topLevelField'), [91]); |
| 124 expect(libMirror.getField(const Symbol('topLevelField')).reflectee, | 103 expect(libMirror.getField(const Symbol('topLevelField')).reflectee, |
| 125 equals([91])); | 104 equals([91])); |
| 126 expect(topLevelField, equals([91])); | 105 expect(topLevelField, equals([91])); |
| 127 | |
| 128 libMirror.setFieldAsync(const Symbol('topLevelField'), 42); | |
| 129 future = libMirror.getFieldAsync(const Symbol('topLevelField')); | |
| 130 future.then(expectAsync1((resultMirror) { | |
| 131 expect(resultMirror.reflectee, equals(42)); | |
| 132 expect(topLevelField, equals(42)); | |
| 133 })); | |
| 134 | |
| 135 classMirror.setFieldAsync(const Symbol('staticField'), 43); | |
| 136 future = classMirror.getFieldAsync(const Symbol('staticField')); | |
| 137 future.then(expectAsync1((resultMirror) { | |
| 138 expect(resultMirror.reflectee, equals(43)); | |
| 139 expect(Class.staticField, equals(43)); | |
| 140 })); | |
| 141 | |
| 142 instMirror.setFieldAsync(const Symbol('field'), 44); | |
| 143 future = instMirror.getFieldAsync(const Symbol('field')); | |
| 144 future.then(expectAsync1((resultMirror) { | |
| 145 expect(resultMirror.reflectee, equals(44)); | |
| 146 expect(instance.field, equals(44)); | |
| 147 })); | |
| 148 } | 106 } |
| 149 | 107 |
| 150 testClosureMirrors(mirrors) { | 108 testClosureMirrors(mirrors) { |
| 151 // TODO(ahe): Test optional parameters (named or not). | 109 // TODO(ahe): Test optional parameters (named or not). |
| 152 var closure = (x, y, z) { return x + y + z; }; | 110 var closure = (x, y, z) { return x + y + z; }; |
| 153 | 111 |
| 154 var mirror = reflect(closure); | 112 var mirror = reflect(closure); |
| 155 expect(mirror is ClosureMirror, equals(true)); | 113 expect(mirror is ClosureMirror, equals(true)); |
| 156 | 114 |
| 157 var funcMirror = mirror.function; | 115 var funcMirror = mirror.function; |
| 158 expect(funcMirror is MethodMirror, equals(true)); | 116 expect(funcMirror is MethodMirror, equals(true)); |
| 159 expect(funcMirror.parameters.length, equals(3)); | 117 expect(funcMirror.parameters.length, equals(3)); |
| 160 | 118 |
| 161 expect(mirror.apply([7, 8, 9]).reflectee, equals(24)); | 119 expect(mirror.apply([7, 8, 9]).reflectee, equals(24)); |
| 162 | |
| 163 var future = mirror.applyAsync([2, 4, 8]); | |
| 164 future.then(expectAsync1((resultMirror) { | |
| 165 expect(resultMirror.reflectee, equals(14)); | |
| 166 })); | |
| 167 } | 120 } |
| 168 | 121 |
| 169 testInvokeConstructor(mirrors) { | 122 testInvokeConstructor(mirrors) { |
| 170 var classMirror = reflectClass(Class); | 123 var classMirror = reflectClass(Class); |
| 171 | 124 |
| 172 var instanceMirror = classMirror.newInstance(const Symbol(''),[]); | 125 var instanceMirror = classMirror.newInstance(const Symbol(''),[]); |
| 173 expect(instanceMirror.reflectee is Class, equals(true)); | 126 expect(instanceMirror.reflectee is Class, equals(true)); |
| 174 expect(instanceMirror.reflectee.field, equals("default value")); | 127 expect(instanceMirror.reflectee.field, equals("default value")); |
| 175 | 128 |
| 176 instanceMirror = classMirror.newInstance(const Symbol('withInitialValue'), | 129 instanceMirror = classMirror.newInstance(const Symbol('withInitialValue'), |
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| 191 | 144 |
| 192 instanceMirror = classMirror.newInstance(const Symbol('faktory'), | 145 instanceMirror = classMirror.newInstance(const Symbol('faktory'), |
| 193 [9]); | 146 [9]); |
| 194 expect(instanceMirror.reflectee is Class, equals(true)); | 147 expect(instanceMirror.reflectee is Class, equals(true)); |
| 195 expect(instanceMirror.reflectee.field, equals(27)); | 148 expect(instanceMirror.reflectee.field, equals(27)); |
| 196 | 149 |
| 197 instanceMirror = classMirror.newInstance(const Symbol('redirectingFactory'), | 150 instanceMirror = classMirror.newInstance(const Symbol('redirectingFactory'), |
| 198 [10]); | 151 [10]); |
| 199 expect(instanceMirror.reflectee is Class, equals(true)); | 152 expect(instanceMirror.reflectee is Class, equals(true)); |
| 200 expect(instanceMirror.reflectee.field, equals(30)); | 153 expect(instanceMirror.reflectee.field, equals(30)); |
| 201 | |
| 202 | |
| 203 var future = classMirror.newInstanceAsync(const Symbol(''), []); | |
| 204 future.then(expectAsync1((resultMirror) { | |
| 205 var instance = resultMirror.reflectee; | |
| 206 expect(instance is Class, equals(true)); | |
| 207 expect(instance.field, equals("default value")); | |
| 208 })); | |
| 209 | |
| 210 future = classMirror.newInstanceAsync(const Symbol('withInitialValue'), [45]); | |
| 211 future.then(expectAsync1((resultMirror) { | |
| 212 var instance = resultMirror.reflectee; | |
| 213 expect(instance is Class, equals(true)); | |
| 214 expect(instance.field, equals(45)); | |
| 215 })); | |
| 216 } | 154 } |
| 217 | 155 |
| 218 testReflectClass(mirrors) { | 156 testReflectClass(mirrors) { |
| 219 var classMirror = reflectClass(Class); | 157 var classMirror = reflectClass(Class); |
| 220 expect(classMirror is ClassMirror, equals(true)); | 158 expect(classMirror is ClassMirror, equals(true)); |
| 221 var symbolClassMirror = reflectClass(Symbol); | 159 var symbolClassMirror = reflectClass(Symbol); |
| 222 var symbolMirror = symbolClassMirror.newInstance(const Symbol(''), | 160 var symbolMirror = symbolClassMirror.newInstance(const Symbol(''), |
| 223 ['withInitialValue']); | 161 ['withInitialValue']); |
| 224 var objectMirror = classMirror.newInstance(symbolMirror.reflectee,[1234]); | 162 var objectMirror = classMirror.newInstance(symbolMirror.reflectee,[1234]); |
| 225 expect(objectMirror.reflectee is Class, equals(true)); | 163 expect(objectMirror.reflectee is Class, equals(true)); |
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| 267 testLibraryUri(var value, bool check(Uri)) { | 205 testLibraryUri(var value, bool check(Uri)) { |
| 268 var valueMirror = reflect(value); | 206 var valueMirror = reflect(value); |
| 269 ClassMirror valueClass = valueMirror.type; | 207 ClassMirror valueClass = valueMirror.type; |
| 270 LibraryMirror valueLibrary = valueClass.owner; | 208 LibraryMirror valueLibrary = valueClass.owner; |
| 271 expect(check(valueLibrary.uri), isTrue); | 209 expect(check(valueLibrary.uri), isTrue); |
| 272 } | 210 } |
| 273 | 211 |
| 274 main() { | 212 main() { |
| 275 var mirrors = currentMirrorSystem(); | 213 var mirrors = currentMirrorSystem(); |
| 276 test("Test reflective method invocation", () { testInvoke(mirrors); }); | 214 test("Test reflective method invocation", () { testInvoke(mirrors); }); |
| 277 test("Test instance field access", () { testInstanceFieldAccess(mirrors); }); | |
| 278 test('Test intercepted objects', () { testIntercepted(mirrors); }); | 215 test('Test intercepted objects', () { testIntercepted(mirrors); }); |
| 279 test("Test field access", () { testFieldAccess(mirrors); }); | 216 test("Test field access", () { testFieldAccess(mirrors); }); |
| 280 test("Test closure mirrors", () { testClosureMirrors(mirrors); }); | 217 test("Test closure mirrors", () { testClosureMirrors(mirrors); }); |
| 281 test("Test invoke constructor", () { testInvokeConstructor(mirrors); }); | 218 test("Test invoke constructor", () { testInvokeConstructor(mirrors); }); |
| 282 test("Test current library uri", () { | 219 test("Test current library uri", () { |
| 283 testLibraryUri(new Class(), | 220 testLibraryUri(new Class(), |
| 284 (Uri uri) => uri.path.endsWith('/mirrors_test.dart')); | 221 (Uri uri) => uri.path.endsWith('/mirrors_test.dart')); |
| 285 }); | 222 }); |
| 286 test("Test dart library uri", () { | 223 test("Test dart library uri", () { |
| 287 testLibraryUri("test", (Uri uri) => uri == Uri.parse('dart:core')); | 224 testLibraryUri("test", (Uri uri) => uri == Uri.parse('dart:core')); |
| 288 }); | 225 }); |
| 289 test("Test simple and qualifiedName", () { testNames(mirrors); }); | 226 test("Test simple and qualifiedName", () { testNames(mirrors); }); |
| 290 test("Test reflect type", () { testReflectClass(mirrors); }); | 227 test("Test reflect type", () { testReflectClass(mirrors); }); |
| 291 } | 228 } |
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