| Index: LayoutTests/fast/dom/DeviceLight/multiple-event-listeners.html
|
| diff --git a/LayoutTests/fast/dom/DeviceLight/multiple-event-listeners.html b/LayoutTests/fast/dom/DeviceLight/multiple-event-listeners.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..9092fc2b37b5a6d6e919f1ecbb87a26b727b2227
|
| --- /dev/null
|
| +++ b/LayoutTests/fast/dom/DeviceLight/multiple-event-listeners.html
|
| @@ -0,0 +1,86 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<body>
|
| +<script src="../../../resources/js-test.js"></script>
|
| +<script>
|
| +
|
| +description('Tests using multiple event handlers for the Device Light API.');
|
| +
|
| +var mockEvent;
|
| +var expectedEvent;
|
| +function setMockLight(value) {
|
| +
|
| + mockEvent = {value: value};
|
| +
|
| + if (window.testRunner)
|
| + testRunner.setMockDeviceLight(mockEvent.value);
|
| + else
|
| + debug('This test can not be run without the TestRunner');
|
| +}
|
| +
|
| +var deviceLightEvent;
|
| +function checkLight(event) {
|
| + deviceLightEvent = event;
|
| + shouldBe('deviceLightEvent.value', 'expectedEvent.value');
|
| +}
|
| +
|
| +var firstListenerCount = 0;
|
| +function firstListener(event) {
|
| + checkLight(event);
|
| + firstListenerCount++;
|
| + proceedIfNecessary();
|
| +}
|
| +
|
| +var secondListenerCount = 0;
|
| +function secondListener(event) {
|
| + checkLight(event);
|
| + secondListenerCount++;
|
| + proceedIfNecessary();
|
| +}
|
| +
|
| +function proceedIfNecessary() {
|
| + if (firstListenerCount == 1 && secondListenerCount == 1) {
|
| + setMockLight(20);
|
| + // Note: this should not stop Device Light updates,
|
| + // because there is still one listener active.
|
| + window.removeEventListener('devicelight', secondListener);
|
| + initThirdListener();
|
| + }
|
| +}
|
| +
|
| +var childFrame;
|
| +function initThirdListener() {
|
| + childFrame = document.createElement('iframe');
|
| + document.body.appendChild(childFrame);
|
| + childFrame.contentWindow.addEventListener('devicelight', thirdListener);
|
| +}
|
| +
|
| +function thirdListener(event) {
|
| + // Expect the cached event because Device Light was already active
|
| + // when third listener was added.
|
| + checkLight(event);
|
| + window.removeEventListener('devicelight', firstListener);
|
| + childFrame.contentWindow.removeEventListener('devicelight', thirdListener);
|
| + initFourthListener();
|
| +}
|
| +
|
| +function initFourthListener() {
|
| + expectedEvent = mockEvent;
|
| + window.addEventListener('devicelight', fourthListener);
|
| +}
|
| +
|
| +function fourthListener(event) {
|
| + checkLight(event);
|
| + finishJSTest();
|
| +}
|
| +
|
| +setMockLight(10);
|
| +expectedEvent = mockEvent;
|
| +window.addEventListener('devicelight', firstListener);
|
| +window.addEventListener('devicelight', secondListener);
|
| +
|
| +window.jsTestIsAsync = true;
|
| +
|
| +</script>
|
| +</body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 490773003:
[DeviceLight] Add Layout tests (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master