lrn@google.com
22309b260c
Accessing non-existing members on null now throws NoSuchMethodError. Throwing a null value fails by throwing a NullThrownError. Methods checking for null now generally throw new ArgumentError(null). Committed: https://code.google.com/p/dart/source/detail?r=15061 Review URL: https://codereview.chromium.org//11415028 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@15136 260f80e4-7a28-3924-810f-c04153c831b5
82 lines
2.6 KiB
Dart
82 lines
2.6 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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class ExpandoTest {
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static Expando<int> visits;
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static testMain() {
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visits = new Expando<int>('visits');
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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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}
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for (var object in legal) {
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Expect.equals(2, visits[object]);
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}
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testIllegal();
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}
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static 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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static 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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static 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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static 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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static 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 ArgumentError);
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Expect.throws(() => expando['string'], (exception)
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=> exception is ArgumentError);
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Expect.throws(() => expando['string'], (exception)
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=> exception is ArgumentError);
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Expect.throws(() => expando[42], (exception)
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=> exception is ArgumentError);
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Expect.throws(() => expando[42.87], (exception)
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=> exception is ArgumentError);
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Expect.throws(() => expando[true], (exception)
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=> exception is ArgumentError);
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Expect.throws(() => expando[false], (exception)
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=> exception is ArgumentError);
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}
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}
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main() => ExpandoTest.testMain();
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