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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="utils.js"></script>
<script>
function tryRun(func) {
try {
func();
} catch (e) {
const testChannel = new PrerenderChannel('test-channel');
testChannel.postMessage({status: 'FAIL: ' + e});
}
}
const params = new URLSearchParams(location.search);
// The main test page (restriction-window-resize.html) loads the
// initiator page, then the initiator page will prerender itself with the
// `prerendering` parameter.
const isPrerendering = params.has('prerendering');
if (!isPrerendering) {
// Ensure that the primary page can resize this window.
tryRun(() => {
const expectedRect = {
width: window.outerWidth - 1,
height: window.outerHeight - 1
};
window.resizeTo(expectedRect.width, expectedRect.height);
assert_equals(window.outerWidth, expectedRect.width, 'width for primary');
assert_equals(
window.outerHeight, expectedRect.height, 'height for primary');
});
// Start prerendering a page which tries to resize this window.
loadInitiatorPage();
} else {
const prevRect = {width: window.outerWidth, height: window.outerHeight};
tryRun(() => {
// Try to resize this window, and should not succeed.
const resizeToOrResizeBy = params.get('resize');
switch (resizeToOrResizeBy) {
case 'resizeTo':
window.resizeTo(prevRect.width + 1, prevRect.height + 1);
break;
case 'resizeBy':
window.resizeBy(1, 1);
break;
default:
assert_unreached(`wrong parameter: ${resizeToOrResizeBy}`);
}
});
const bc = new PrerenderChannel('test-channel');
bc.postMessage({
'status': 'PASS',
'prevRect': prevRect,
'newRect': {width: window.outerWidth, height: window.outerHeight}
});
bc.close();
}
</script>