Content - 8ad9fb2cfeb44c10320c742c3e8de4a733105c78 - 299e74f/visual-viewport/viewport-unscaled-size.html

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Tip revision: 259d0612af038d14f2cd889a14a3adb6c9e96d96 authored by Josh Matthews on 23 December 2018, 05:25:51 UTC
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Tip revision: 259d061

viewport-unscaled-size.html

<!doctype html>
<html>
    <head>
        <title>Viewport: Size unscaled</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>
        <style>
          html {
            width: 100%;
            height: 100%;
          }
        </style>
    </head>
    <body>
    <h1>Viewport: Size unscaled</h1>
    <h4>Test Description: This test checks that window.visualViewport returns correct sizes without any pinch-zoom page scale applied.</h4>
    <div id="complete-notice">
        <p>window.visualViewport width and height is (<span id="view-size-log"></span>).</p>
        <p>window.visualViewport width and height when scrollbars are present is (<span id="view-size-scrollbar-log"></span>).</p>
    </div>
    <div id="log"></div>
    </body>
    <script>
        var scrollbarThickness = calculateScrollbarThickness();

        test(function() {
              assert_equals(window.visualViewport.width, document.documentElement.clientWidth);
            }, "visualViewport.width should match documentElement.clientWidth when unzoomed.");
        test(function() {
              assert_equals(window.visualViewport.height, document.documentElement.clientHeight);
            }, "visualViewport.height should match documentElement.clientHeight when unzoomed.");

        document.getElementById("view-size-log").innerText = window.visualViewport.width + ", " + window.visualViewport.height;

        // Add overflow so scrollbars appear.
        document.body.style.width = "2000px";
        document.body.style.height = "2000px";

        test(function() {
              assert_equals(window.visualViewport.width, document.documentElement.clientWidth);
            }, "visualViewport.width should exclude scrollbar.");
        test(function() {
              assert_equals(window.visualViewport.height, document.documentElement.clientHeight);
            }, "visualViewport.height should exclude scrollbar.");

        document.getElementById("view-size-scrollbar-log").innerText = window.visualViewport.width + ", " + window.visualViewport.height;
    </script>
</html>

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