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<!doctype html>
<html>
<head>
<title>Viewport: Window Resize Fires Event</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="viewport_support.js"></script>
<script>
setup({explicit_timeout: true, explicit_done: true})
</script>
</head>
<body>
<h1>Viewport: Window Resize Fires Event</h1>
<h4>
Test Description: This test checks that a resize event is fired against
the window.visualViewport object when the browser window is resized.
</h4>
<h2 style="color: red">THIS IS A MANUAL TEST</h2>
<p id="skip">
<button id="skipbtn" onclick="skipManualTest();">Skip Test</button>
</p>
<p id="instruction"></p>
<button id="continue">Start Test</button>
<div id="log"></div>
</body>
<script>
var continueBtn = document.getElementById("continue");
function continueTest() {
nextStep(function(instructionText) {
var instruction = document.getElementById("instruction");
continueBtn.innerText = "Continue";
instruction.innerText = instructionText;
});
}
continueBtn.addEventListener('click', continueTest);
var didResizeView;
var cancelable;
var bubbles;
function resetValues() {
didResizeView = false;
cancelable = undefined;
bubbles = undefined;
}
addManualTestStep(
function() {
resetValues();
window.visualViewport.addEventListener('resize', function(e) {
didResizeView = true;
cancelable = e.cancelable;
bubbles = e.bubbles;
});
},
null,
'1. Resize the browser window (if on mobile, rotate the device)');
addManualTestStep(
function() {
assert_true(didResizeView);
assert_false(cancelable);
assert_false(bubbles);
},
'Resize event fired at window.visualViewport after window resized',
'2. Unrotate the device or reset window size if needed.');
addManualTestStep(
resetValues,
null,
'3. Pinch-zoom anywhere on the page by any amount.');
addManualTestStep(
function() {
assert_true(didResizeView);
assert_false(cancelable);
assert_false(bubbles);
},
'Pinch-zooming fires a resize event',
'4. Pinch-zoom back out');
addManualTestStep(
function() { continueBtn.remove(); },
null,
'Test Complete');
</script>
</html>