93 lines
2.2 KiB
HTML
93 lines
2.2 KiB
HTML
<html>
|
|
<body onload='startTest()'>
|
|
|
|
<script src="../../resources/js-test-pre.js"></script>
|
|
|
|
<script>
|
|
|
|
description("This test checks that Page Visibility state values are correct and the event changes are fired correctly.");
|
|
|
|
var jsTestIsAsync = true;
|
|
|
|
function makePageVisible() {
|
|
if (window.testRunner)
|
|
testRunner.setPageVisibility("visible");
|
|
}
|
|
|
|
function makePageHidden() {
|
|
if (window.testRunner)
|
|
testRunner.setPageVisibility("hidden");
|
|
}
|
|
|
|
function makePageUnloaded() {
|
|
if (window.testRunner)
|
|
testRunner.setPageVisibility("unloaded");
|
|
}
|
|
|
|
function checkIsPageVisible() {
|
|
shouldBeEqualToString("document.visibilityState", "visible");
|
|
shouldBeFalse("document.hidden");
|
|
shouldBeFalse("internals.scriptedAnimationsAreSuspended");
|
|
}
|
|
|
|
function checkIsPageHidden() {
|
|
shouldBeEqualToString("document.visibilityState", "hidden");
|
|
shouldBeTrue("document.hidden");
|
|
shouldBeTrue("internals.scriptedAnimationsAreSuspended");
|
|
}
|
|
|
|
// We will try to change the visibility states as:
|
|
// 0 - visible. (Initial - i.e. on load).
|
|
// 1 - hidden (should fire event).
|
|
// 2 - hidden (no event).
|
|
// 3 - visible (should fire event).
|
|
var numVisibilityChanges = 0;
|
|
|
|
function startTest() {
|
|
document.addEventListener(
|
|
"visibilitychange", onVisibilityChange, false);
|
|
checkIsPageVisible();
|
|
numVisibilityChanges++;
|
|
makePageHidden();
|
|
}
|
|
|
|
function finishTest() {
|
|
if (window.testRunner) {
|
|
testRunner.resetPageVisibility();
|
|
}
|
|
finishJSTest();
|
|
}
|
|
|
|
function onVisibilityChange() {
|
|
shouldBeTrue("event.bubbles");
|
|
if (numVisibilityChanges == 1) {
|
|
checkIsPageHidden();
|
|
numVisibilityChanges++;
|
|
makePageHidden();
|
|
checkIsPageHidden();
|
|
numVisibilityChanges++;
|
|
makePageVisible();
|
|
return;
|
|
} else if (numVisibilityChanges == 2) {
|
|
testFailed("Invalid event fired on same state change.");
|
|
finishTest();
|
|
return;
|
|
} else if (numVisibilityChanges == 3) {
|
|
checkIsPageVisible();
|
|
numVisibilityChanges++;
|
|
finishTest();
|
|
return;
|
|
} else {
|
|
testFailed("Too many visibility transitions");
|
|
finishTest();
|
|
return;
|
|
}
|
|
}
|
|
|
|
</script>
|
|
|
|
<script src="../../resources/js-test-post.js"></script>
|
|
|
|
</body>
|
|
</html>
|