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<!doctype html>
<html>
<head>
<title>Viewport: Scale</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, minimum-scale=1">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="viewport_support.js"></script>
<script>
setup({explicit_done: true, explicit_timeout: true});
</script>
</head>
<body>
<h1>Viewport: Scale</h1>
<h4>Test Description: Tests the visualViewport.scale property</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>
<div id="spacer"></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);
addManualTestStep(
function() {},
null,
'1. Ensure the browser is at the default pinch and browser zoom ' +
'levels (100%). Most browsers: ctrl+0');
addManualTestStep(
showPinchWidget.bind(null, 2.0, 0, 0, continueTest),
null,
'2.Follow instructions on pinch zoom dialog.');
addManualTestStep(
function() {
// Ensure we zoomed in to about what we expect.
assert_approx_equals(window.visualViewport.scale, 2.0, 0.2,
"window.visualViewport.scale reflects pinch-zoom level");
},
'With ~200% pinch-zoom',
'3. Pinch-zoom back out to the minimum scale');
addManualTestStep(
function() {
assert_equals(window.visualViewport.scale, 1);
},
'Fully pinch-zoomed out',
'4. If your browser supports it, browser-zoom in (using ctrl-+). ' +
'Otherwise just click continue.');
addManualTestStep(
function() {
assert_equals(window.visualViewport.scale, 1);
},
'Browser zoom doesn\'t change visualViewport.scale',
'5. Reset browser zoom to default (ctrl-0)');
addManualTestStep(
function() {
continueBtn.remove();
},
null,
'Test Complete');
</script>
</html>
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