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    <title>Yomichan Manual Tests</title>
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    .container {
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        height: 200px;
        border: 1px solid #d8d8d8;
        position: relative;
        box-sizing: border-box;
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    .container-inner {
        background-color: #f8f8f8;
        padding: 0.5em;
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        right: 0;
    }

    .danger {
        color: #c83c28;
    }

</style>

<body>

    <h1>Yomichan Manual Tests</h1>
    <y-description>Manual tests involving fullscreen elements, &lt;iframe&gt;s, and shadow DOMs.</y-description>

    <y-test>
        <y-description>Standard content.</y-description>
        <div class="fullscreen-element container hovertarget">
            <div class="container-inner">
                <div>
                    ありがとう
                </div>
                <div>
                    <a href="#" class="fullscreen-link">Toggle fullscreen</a>
                </div>
            </div>
        </div>
    </y-test>

    <y-test data-shadow-mode="open">
        <y-description>Content inside of an open shadow DOM.</y-description>
        <div class="template-content-container hovertarget"></div>
        <template>
            <link rel="stylesheet" href="test-stylesheet.css">
            <div class="fullscreen-element container">
                <div class="container-inner">
                    <div>
                        ありがとう
                    </div>
                    <div>
                        <a href="#" class="fullscreen-link">Toggle fullscreen</a>
                    </div>
                </div>
            </div>
        </template>
    </y-test>

    <y-test data-shadow-mode="closed">
        <y-description>Content inside of a closed shadow DOM.</y-description>
        <div class="template-content-container hovertarget"></div>
        <template>
            <link rel="stylesheet" href="test-stylesheet.css">
            <div class="fullscreen-element container">
                <div class="container-inner">
                    <div>
                        ありがとう
                    </div>
                    <div>
                        <a href="#" class="fullscreen-link">Toggle fullscreen</a>
                    </div>
                </div>
            </div>
        </template>
    </y-test>

    <y-test>
        <y-description>&lt;iframe&gt; element.</y-description>
        <iframe src="test-document2-frame1.html" allowfullscreen="true" class="container hovertarget"></iframe>
    </y-test>

    <y-test data-shadow-mode="open">
        <y-description>&lt;iframe&gt; element inside of an open shadow DOM.</y-description>
        <div class="template-content-container hovertarget"></div>
        <template>
            <iframe src="test-document2-frame1.html" allowfullscreen="true" class="container"></iframe>
        </template>
    </y-test>

    <y-test data-shadow-mode="closed">
        <y-description>&lt;iframe&gt; element inside of a closed shadow DOM.</y-description>
        <div class="template-content-container hovertarget"></div>
        <template>
            <iframe src="test-document2-frame1.html" allowfullscreen="true" class="container"></iframe>
        </template>
    </y-test>

    <y-test>
        <y-description>&lt;iframe&gt; element with data URL.</y-description>
        <iframe id="iframe-with-data-url"
            src="data:text/html;base64,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"
            allowfullscreen="true" class="container hovertarget"></iframe>
    </y-test>

    <y-test>
        <y-description>&lt;iframe&gt; element with blob URL.</y-description>
        <iframe id="iframe-with-blob-url" allowfullscreen="true" class="container hovertarget"></iframe>
    </y-test>

    <y-test>
        <y-description>&lt;iframe&gt; element with srcdoc.</y-description>
        <iframe allowfullscreen="true" class="iframe-with-srcdoc container hovertarget"></iframe>
    </y-test>

    <y-test>
        <y-description>&lt;iframe&gt; element with srcdoc and
            <code>sandbox="allow-same-origin allow-scripts"</code>.</y-description>
        <iframe allowfullscreen="true" class="iframe-with-srcdoc container hovertarget"
            sandbox="allow-same-origin allow-scripts"></iframe>
    </y-test>

    <y-test>
        <y-description>
            &lt;iframe&gt; element with srcdoc and <code>sandbox="allow-scripts"</code>.<br>
            <span class="danger">This element is expected to not work.</span>
        </y-description>
        <iframe allowfullscreen="true" class="iframe-with-srcdoc container hovertarget"
            sandbox="allow-scripts"></iframe>
    </y-test>

    <y-test>
        <y-description>SVG &lt;img&gt;.</y-description>
        <img src="test-document2-frame2.svg" class="container hovertarget" alt="">
    </y-test>

    <y-test>
        <y-description>SVG &lt;object&gt;.</y-description>
        <object data="test-document2-frame2.svg" type="image/svg+xml" class="container hovertarget"></object>
    </y-test>

    <y-test>
        <y-description>SVG &lt;embed&gt;.</y-description>
        <embed type="image/svg+xml" src="test-document2-frame2.svg" class="container hovertarget">
    </y-test>

    <y-test>
        <y-description>SVG &lt;iframe&gt;.</y-description>
        <iframe src="test-document2-frame2.svg" allowfullscreen="true" class="container hovertarget"></iframe>
    </y-test>

    <y-test>
        <y-description>SVG &lt;svg&gt;.</y-description>
        <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="container hovertarget"
            style="background-color: #f8f8f8;" focusable="false">
            <text x="7" y="12" style="
                font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
                font-size: 14px;
                fill: #000000;
                dominant-baseline: hanging;">
                ありがとう
            </text>
        </svg>
    </y-test>


    <script>
        (() => {
            function stringToTypedArray(string) {
                const array = new Uint8Array(string.length);
                for (let i = 0; i < string.length; ++i) {
                    array[i] = string.charCodeAt(i);
                }
                return array;
            }

            function dataUrlToContent(dataUrl) {
                const [, type, isBase64, data] = /^data:([^;]*);(base64,)?([\w\W]*)$/.exec(dataUrl);
                const content = (
                    isBase64 ?
                        new TextDecoder().decode(stringToTypedArray(atob(data))) :
                        data
                );
                return { content, type };
            }

            function dataUrlToBlob(dataUrl) {
                const { content, type } = dataUrlToContent(dataUrl);
                return new Blob([content], { type });
            }

            for (const element of document.querySelectorAll('y-test')) {
                setup(element);
            }

            const iframeWithDataUrl = document.querySelector('#iframe-with-data-url');
            const iframeWithBlobUrl = document.querySelector('#iframe-with-blob-url');
            iframeWithBlobUrl.src = URL.createObjectURL(dataUrlToBlob(iframeWithDataUrl.src));
            for (const iframeWithSrcdoc of document.querySelectorAll('.iframe-with-srcdoc')) {
                iframeWithSrcdoc.srcdoc = dataUrlToContent(iframeWithDataUrl.src).content;
            }
        })();
    </script>

</body>

</html>