| // Copyright (c) 2012, 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. |
| |
| class ExpandoTest { |
| static Expando<int> visits; |
| |
| static testMain() { |
| visits = new Expando<int>('visits'); |
| var legal = [ new Object(), |
| new List(), [1,2,3], const [1,2,3], |
| new Map(), {'x':1,'y':2}, const {'x':1,'y':2}, |
| new Expando(), new Expando('horse') ]; |
| for (var object in legal) { |
| testNamedExpando(object); |
| testUnnamedExpando(object); |
| } |
| for (var object in legal) { |
| Expect.equals(2, visits[object]); |
| } |
| testIllegal(); |
| } |
| |
| static visit(object) { |
| int count = visits[object]; |
| count = (count === null) ? 1 : count + 1; |
| visits[object] = count; |
| } |
| |
| static testNamedExpando(object) { |
| Expando<int> expando = new Expando<int>('myexpando'); |
| Expect.equals('myexpando', expando.name); |
| Expect.isTrue(expando.toString().startsWith('Expando:myexpando')); |
| testExpando(expando, object); |
| } |
| |
| static testUnnamedExpando(object) { |
| Expando<int> expando = new Expando<int>(); |
| Expect.isNull(expando.name); |
| Expect.isTrue(expando.toString().startsWith('Expando:')); |
| testExpando(expando, object); |
| } |
| |
| static testExpando(Expando<int> expando, object) { |
| visit(object); |
| |
| Expect.isNull(expando[object]); |
| expando[object] = 42; |
| Expect.equals(42, expando[object]); |
| expando[object] = null; |
| Expect.isNull(expando[object]); |
| |
| Expando<int> alternative = new Expando('myexpando'); |
| Expect.isNull(alternative[object]); |
| alternative[object] = 87; |
| Expect.isNull(expando[object]); |
| expando[object] = 99; |
| Expect.equals(99, expando[object]); |
| Expect.equals(87, alternative[object]); |
| } |
| |
| static testIllegal() { |
| Expando<int> expando = new Expando<int>(); |
| Expect.throws(() => expando[null], (exception) |
| => exception is NullPointerException); |
| Expect.throws(() => expando['string'], (exception) |
| => exception is ArgumentError); |
| Expect.throws(() => expando['string'], (exception) |
| => exception is ArgumentError); |
| Expect.throws(() => expando[42], (exception) |
| => exception is ArgumentError); |
| Expect.throws(() => expando[42.87], (exception) |
| => exception is ArgumentError); |
| Expect.throws(() => expando[true], (exception) |
| => exception is ArgumentError); |
| Expect.throws(() => expando[false], (exception) |
| => exception is ArgumentError); |
| } |
| } |
| |
| main() => ExpandoTest.testMain(); |