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Side by Side Diff: client/tests/client/dom/HiddenDom2Test.dart

Issue 10191033: test renaming overhaul: step 4 client tests (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 8 months ago
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1 #library('HiddenDom2Test');
2 #import('../../../../lib/unittest/unittest.dart');
3 #import('../../../../lib/unittest/html_config.dart');
4 #import('dart:html');
5
6 // Test that the dart:html API does not leak native jsdom methods:
7 // appendChild operation.
8
9 main() {
10 useHtmlConfiguration();
11
12 test('test1', () {
13 document.body.elements.add(new Element.html(@'''
14 <div id='div1'>
15 Hello World!
16 </div>'''));
17 Element e = document.query('#div1');
18 Element e2 = new Element.html(@"<div id='xx'>XX</div>");
19 Expect.isTrue(e != null);
20
21 checkNoSuchMethod(() { confuse(e).appendChild(e2); });
22
23 });
24 }
25
26 class Decoy {
27 void appendChild(x) { throw 'dead code'; }
28 }
29
30 confuse(x) => opaqueTrue() ? x : (opaqueTrue() ? new Object() : new Decoy());
31
32 /** Returns [:true:], but in a way that confuses the compiler. */
33 opaqueTrue() => true; // Expand as needed.
34
35 checkNoSuchMethod(action()) {
36 var ex = null;
37 bool threw = false;
38 try {
39 action();
40 } catch (var e) {
41 threw = true;
42 ex = e;
43 }
44 if (!threw)
45 Expect.fail('Action should have thrown exception');
46
47 Expect.isTrue(ex is NoSuchMethodException, 'ex is NoSuchMethodException');
48 }
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