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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
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Tip revision: e893060fea346c1b05076d048d34bfac0ed23172 authored by Chris Nardi on 02 April 2018, 17:04:26 UTC
Remove test that CSSStyleSheet.media is read-only
Tip revision: e893060
viewport-page-manual.html 
<!doctype html>
<html>
    <head>
        <title>Viewport: Page</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>
        <style>
          html {
            width: 100%;
            height: 100%;
          }
        </style>
    </head>
    <body>
    <h1>Viewport: Page</h1>
    <h4>
        Test Description: Tests the page scrolling properties.
    </h4>
    <h2 style="color: red">THIS IS A MANUAL TEST</h2>
    <p id="skip">
        <button id="skipbtn" onclick="skipManualTest();">Skip Test</button>
    </p>
    <h4>Instruction</h4>
    <p id="instruction"></p>
    <button id="continue">Start Test</button>
    <div id="log"></div>
    </body>
    <script>
        var continueBtn = document.getElementById("continue");
        var icbWidth = 0;
        var icbHeight = 0;

        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, 1.5, 0, 0, continueTest),
            null,
            '2.Follow instructions on pinch zoom dialog.');

        addManualTestStep(
            function() {
              continueBtn.style.position = "absolute";
              continueBtn.style.left = "400%";
              continueBtn.style.top = "400%";

              assert_approx_equals(window.visualViewport.scale, 1.5, 0.2,
                  "window.visualViewport.scale reflects pinch-zoom level");
            },
            'Tester pinch zoomed in correctly',
            '3. Scroll fully to the bottom right. Click the continue button there.');

        addManualTestStep(
            function() {
              var expectedLeft =
                  document.documentElement.clientWidth * 4 +
                  continueBtn.clientWidth -
                  window.visualViewport.width;
              var expectedTop =
                  document.documentElement.clientHeight * 4 +
                  continueBtn.clientHeight -
                  window.visualViewport.height;
              var viewPageLeft = window.visualViewport.pageLeft;
              var viewPageTop = window.visualViewport.pageTop;

              // This needs to happen before assertions in case they fail. A
              // failed assertion stops running this function.
              continueBtn.style.position = "";
              continueBtn.style.left = "";
              continueBtn.style.top = "";

              window.scrollTo(0, 0);

              assert_approx_equals(viewPageLeft, expectedLeft, 10,
                  "window.visualViewport.scale reflects pinch-zoom level");
              assert_approx_equals(viewPageTop, expectedTop, 10,
                  "window.visualViewport.scale reflects pinch-zoom level");
            },
            'PageLeft and PageTop correct when scrolled',
            '4. Pinch-zoom out fully');

        addManualTestStep(
            function() {
                continueBtn.remove();
            },
            null,
            'Test Complete');
    </script>
</html>
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