1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Include test fixture.
GEN_INCLUDE(['testing/common_e2e_test_base.js']);
/** Test fixture for array_util.js. */
AccessibilityExtensionRepeatedTreeChangeHandlerTest =
class extends CommonE2ETestBase {
/** @override */
async setUpDeferred() {
await super.setUpDeferred();
await importModule(
'RepeatedTreeChangeHandler', '/common/repeated_tree_change_handler.js');
}
};
TEST_F(
'AccessibilityExtensionRepeatedTreeChangeHandlerTest',
'RepeatedTreeChangeHandledOnce', function() {
this.runWithLoadedDesktop(() => {
this.handlerCallCount = 0;
const handler = () => this.handlerCallCount++;
const repeatedHandler =
new RepeatedTreeChangeHandler('allTreeChanges', handler);
// Simulate events being fired.
repeatedHandler.onChange_();
repeatedHandler.onChange_();
repeatedHandler.onChange_();
repeatedHandler.onChange_();
repeatedHandler.onChange_();
// Yield before verifying how many times the handler was called.
setTimeout(() => assertEquals(this.handlerCallCount, 1), 0);
});
});
TEST_F(
'AccessibilityExtensionRepeatedTreeChangeHandlerTest', 'Predicate',
function() {
this.runWithLoadedDesktop(() => {
this.handlerCallCount = 0;
const handler = () => this.handlerCallCount++;
const repeatedHandler = new RepeatedTreeChangeHandler(
'allTreeChanges', handler,
{predicate: c => c.type === 'nodeRemoved'});
// Simulate events being fired.
repeatedHandler.onChange_({type: 'nodeAdded'});
repeatedHandler.onChange_({type: 'nodeAdded'});
repeatedHandler.onChange_({type: 'nodeAdded'});
repeatedHandler.onChange_({type: 'nodeRemoved'});
repeatedHandler.onChange_({type: 'nodeRemoved'});
repeatedHandler.onChange_({type: 'nodeRemoved'});
repeatedHandler.onChange_({type: 'nodeRemoved'});
// Verify that nodes that don't satisfy the predicate aren't added to
// the change stack.
assertEquals(repeatedHandler.changeStack_.length, 4);
// Yield before verifying how many times the handler was called.
setTimeout(() => assertEquals(this.handlerCallCount, 1), 0);
});
});
|
