mozilla-central/widget/tests/test_sizemode_events.xhtml (file symbol)

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Test Info: Warnings

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
type="text/css"?>
<window title="Test for bug 715867"
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>
<script class="testbody">
<![CDATA[
let gWindow = null;
const kIsLinux = navigator.platform.includes("Lin");
const kIsMacOS = navigator.platform.includes("Mac");
// On Linux and macOS sizemode changes might be async.
const kAsyncChanges = kIsLinux || kIsMacOS;
let gSizeModeDidChange = false;
let gSizeModeDidChangeTo = 0;
function sizemodeChanged() {
gSizeModeDidChange = true;
gSizeModeDidChangeTo = gWindow.windowState;
}
async function expectSizeModeChange(newMode, duringActionCallback) {
gSizeModeDidChange = false;
let promise = null;
if (kAsyncChanges) {
if (newMode) {
promise = new Promise(resolve => {
gWindow.addEventListener("sizemodechange", function() {
SimpleTest.executeSoon(resolve);
}, { once: true })
});
} else {
promise = new Promise(SimpleTest.executeSoon);
}
}
duringActionCallback();
if (promise) {
await promise;
}
if (newMode == 0) {
// No change should have taken place, no event should have fired.
ok(!gSizeModeDidChange, "No sizemodechange event should have fired.");
} else {
// Size mode change event was expected to fire.
ok(gSizeModeDidChange, "A sizemodechanged event should have fired.");
is(gSizeModeDidChangeTo, newMode, "The new sizemode should have the expected value.");
const expectedHidden = newMode == gWindow.STATE_MINIMIZED || gWindow.isFullyOccluded;
if (gWindow.document.hidden != expectedHidden) {
await new Promise(resolve => {
gWindow.addEventListener("visibilitychange", resolve, { once: true });
});
}
is(gWindow.document.hidden, expectedHidden, "Should be inactive if minimized or occluded.");
}
}
function startTest() {
openWindow();
}
function openWindow() {
gWindow = window.browsingContext.topChromeWindow
.open('empty_window.xhtml', '_blank', 'chrome,screenX=50,screenY=50,width=200,height=200,resizable');
SimpleTest.waitForFocus(runTest, gWindow);
}
async function runTest() {
// Install event handler.
gWindow.addEventListener("sizemodechange", sizemodeChanged);
// Run tests.
info("Testing minimize()");
await expectSizeModeChange(gWindow.STATE_MINIMIZED, function () {
gWindow.minimize();
});
info("Testing restore() after minimize()");
await expectSizeModeChange(gWindow.STATE_NORMAL, function () {
gWindow.restore();
});
info("Testing maximize()");
await expectSizeModeChange(gWindow.STATE_MAXIMIZED, function () {
gWindow.maximize();
});
info("Testing restore() after maximize()");
await expectSizeModeChange(gWindow.STATE_NORMAL, function () {
gWindow.restore();
});
// Normal window resizing shouldn't fire a sizemodechanged event, bug 715867.
info("Testing resizeTo() horizontal");
await expectSizeModeChange(0, function () {
gWindow.resizeTo(gWindow.outerWidth + 10, gWindow.outerHeight);
});
info("Testing resizeTo() vertical");
await expectSizeModeChange(0, function () {
gWindow.resizeTo(gWindow.outerWidth, gWindow.outerHeight + 10);
});
// Resizing a maximized window should change to normal sizemode.
info("maximize() in preparation for resize");
await expectSizeModeChange(gWindow.STATE_MAXIMIZED, function () {
gWindow.maximize();
});
info("Testing resizeTo() from maximized");
await expectSizeModeChange(gWindow.STATE_NORMAL, function () {
// MacOS treats windows close to the available screen size as maximized.
// Shrinking the window by only 10px isn't enough to change the sizemode.
gWindow.resizeTo(gWindow.outerWidth / 2, gWindow.outerHeight / 2);
});
gWindow.removeEventListener("sizemodechange", sizemodeChanged);
gWindow.close();
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(startTest);
]]>
</script>
</window>