getBoundingClientRect-zoom.html

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /css/cssom-view/getBoundingClientRect-zoom.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>getBoundingClientRect for elements with css zoom</title>

<link rel="author" title="Yotam Hacohen" href="mailto:yotha@chromium.org">

<link rel="author" title="Google" href="http://www.google.com/">

<link rel="help" href="https://drafts.csswg.org/css-viewport/">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

  <head>

    <style>

      div {

        width: 64px;

        height: 64px;

        background-color: blue

      div.x4_zoom {

        zoom: 4.0;

        background-color: blueviolet;

      div.x2_zoom {

        background-color: chartreuse;

        zoom: 2.0;

      div.transform {

        transform: scale(2);

        transform-origin: top left;

    </style>

  </head>

  <body>

    <div id="no_zoom"></div>

    <div class="x4_zoom" id="with_zoom">

    </div>

    <div class="x2_zoom">

      <div class="x4_zoom" id="nested_zoom"></div>

    </div>

    <div id="transform_and_zoom" class="x4_zoom transform"></div>

    <script>

      setup(() => {

        window.noZoom = document.getElementById("no_zoom");

        window.withZoom = document.getElementById("with_zoom");

        window.nestedZoom = document.getElementById("nested_zoom");

        window.transformAndZoom = document.getElementById("transform_and_zoom");

});

      test(function() {

        assert_true(!!noZoom, "no zoom target exists");

        assert_true(!!withZoom, "zoom target exists");

});

      test(function() {

        let noZoomRect = noZoom.getBoundingClientRect();

        assert_equals(noZoomRect.left, 8, 'no zoom left');

        assert_equals(noZoomRect.top, 8, 'no zoom top');

        assert_equals(noZoomRect.width, 64, 'no zoom width');

        assert_equals(noZoomRect.height, 64, 'no zoom height');

});

      test(function() {

        let ZoomRect = withZoom.getBoundingClientRect();

        assert_equals(ZoomRect.left, 8, 'x4 zoom left');

        assert_equals(ZoomRect.top, 8 + 64, 'x4 zoom top');

        assert_equals(ZoomRect.width, 256, 'x4 zoom width');

        assert_equals(ZoomRect.height, 256, 'x4 zoom height');

});

      test(function() {

        let nestedZoomRect = nestedZoom.getBoundingClientRect();

        assert_equals(nestedZoomRect.left, 8, 'nested zoom left');

        assert_equals(nestedZoomRect.top, 8 + 64 + 256, 'nested zoom top');

        assert_equals(nestedZoomRect.width, 512, 'nested zoom width');

        assert_equals(nestedZoomRect.height, 512, 'nested zoom height');

});

      test(function() {

        let transformAndZoomRect = transformAndZoom.getBoundingClientRect();

        assert_equals(transformAndZoomRect.left, 8, 'transform and zoom left');

        assert_equals(transformAndZoomRect.top, 8 + 64 + 256 + 128, 'transform and zoom top');

        assert_equals(transformAndZoomRect.width, 512, 'transform and zoom width');

        assert_equals(transformAndZoomRect.height, 512, 'transform and zoom height');

});

    </script>

  </body>