kasperl@google.com
9df12e2a76
R=iposva@google.com BUG= TEST= Review URL: https://chromiumcodereview.appspot.com//10534089 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@8522 260f80e4-7a28-3924-810f-c04153c831b5
111 lines
3.2 KiB
Dart
111 lines
3.2 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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final Expando<int> visits = const Expando<int>('visits');
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main() {
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var legal = [ new Object(),
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new List(), [1,2,3], const [1,2,3],
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new Map(), {'x':1,'y':2}, const {'x':1,'y':2},
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new Expando(), new Expando('horse') ];
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for (var object in legal) {
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testNamedExpando(object);
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testUnnamedExpando(object);
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testConstExpando(object);
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}
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for (var object in legal) {
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Expect.equals(3, visits[object]);
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}
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testIllegal();
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}
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visit(object) {
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int count = visits[object];
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count = (count === null) ? 1 : count + 1;
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visits[object] = count;
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}
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testNamedExpando(object) {
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Expando<int> expando = new Expando<int>('myexpando');
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Expect.equals('myexpando', expando.name);
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Expect.isTrue(expando.toString().startsWith('Expando:myexpando'));
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testExpando(expando, object);
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}
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testUnnamedExpando(object) {
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Expando<int> expando = new Expando<int>();
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Expect.isNull(expando.name);
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Expect.isTrue(expando.toString().startsWith('Expando:'));
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testExpando(expando, object);
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}
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testExpando(Expando<int> expando, object) {
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visit(object);
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Expect.isNull(expando[object]);
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expando[object] = 42;
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Expect.equals(42, expando[object]);
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expando[object] = null;
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Expect.isNull(expando[object]);
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Expando<int> alternative = new Expando('myexpando');
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Expect.isNull(alternative[object]);
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alternative[object] = 87;
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Expect.isNull(expando[object]);
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expando[object] = 99;
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Expect.equals(99, expando[object]);
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Expect.equals(87, alternative[object]);
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}
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testConstExpando(object) {
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visit(object);
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var e0 = const Expando<int>('horse');
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var e1 = const Expando<int>('horse');
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var e2 = new Expando<int>('horse');
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var e3 = new Expando<int>('horse');
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e0[object] = 0;
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Expect.equals(0, e0[object]);
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e1[object] = 1;
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Expect.equals(1, e0[object]);
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Expect.equals(1, e1[object]);
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e2[object] = 2;
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Expect.equals(1, e0[object]);
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Expect.equals(1, e1[object]);
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Expect.equals(2, e2[object]);
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e3[object] = 3;
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Expect.equals(1, e0[object]);
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Expect.equals(1, e1[object]);
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Expect.equals(2, e2[object]);
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Expect.equals(3, e3[object]);
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e0[object] = null;
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Expect.isNull(e0[object]);
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Expect.isNull(e1[object]);
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Expect.equals(2, e2[object]);
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Expect.equals(3, e3[object]);
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}
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testIllegal() {
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Expando<int> expando = new Expando<int>();
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Expect.throws(() => expando[null], (exception)
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=> exception is NullPointerException);
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Expect.throws(() => expando['string'], (exception)
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=> exception is IllegalArgumentException);
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Expect.throws(() => expando['string'], (exception)
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=> exception is IllegalArgumentException);
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Expect.throws(() => expando[42], (exception)
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=> exception is IllegalArgumentException);
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Expect.throws(() => expando[42.87], (exception)
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=> exception is IllegalArgumentException);
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Expect.throws(() => expando[true], (exception)
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=> exception is IllegalArgumentException);
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Expect.throws(() => expando[false], (exception)
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=> exception is IllegalArgumentException);
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}
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