<!DOCTYPE html>
<html>
<head>
<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
<meta name="assert" content="title content attribute should not affect the stylesheet's title inside a shadow tree">
<link rel="help" href="https://html.spec.whatwg.org/#attr-style-title">
<link rel="help" href="https://html.spec.whatwg.org/#attr-link-title">
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
</head>
<body>
<div id="log"></div>
<script>

function testStyleElementWithTitleInShadowTree(mode) {
    test(function () {
        const host = document.createElement('div');
        document.body.appendChild(host);
        const shadowRoot = host.attachShadow({'mode': mode});
        shadowRoot.innerHTML = '<style title="foo">div {width: 10px}</style><style title="bar">div {width: 20px}</style><div></div>';
        assert_equals(shadowRoot.styleSheets.length, 2);
        assert_equals(shadowRoot.styleSheets[0].title, null);
        assert_equals(shadowRoot.styleSheets[1].title, null);
        assert_equals(getComputedStyle(shadowRoot.querySelector('div')).width, '20px');
    }, `title content attribute on a HTML style element should not set the title of a stylesheet inside a shadow tree of ${mode} mode`);
}

testStyleElementWithTitleInShadowTree('open');
testStyleElementWithTitleInShadowTree('closed');

function testUpdatingTitleOnStyleElemenInShadowTree(mode) {
    test(function () {
        const host = document.createElement('div');
        document.body.appendChild(host);
        const shadowRoot = host.attachShadow({mode});
        shadowRoot.innerHTML = '<style>div {height: 10px}</style><style>div {height: 20px}</style><div></div>';
        assert_equals(shadowRoot.styleSheets.length, 2);
        assert_equals(shadowRoot.styleSheets[0].title, null);
        assert_equals(shadowRoot.styleSheets[1].title, null);
        shadowRoot.children[0].setAttribute('title', 'foo');
        shadowRoot.children[1].setAttribute('title', 'bar');
        assert_equals(shadowRoot.styleSheets.length, 2);
        assert_equals(shadowRoot.styleSheets[0].title, null);
        assert_equals(shadowRoot.styleSheets[1].title, null);
        assert_equals(getComputedStyle(shadowRoot.querySelector('div')).height, '20px');
    }, `Setting title content attribute on a HTML style element should not set the title of a stylesheet inside a shadow tree of ${mode} mode`);
}

testUpdatingTitleOnStyleElemenInShadowTree('open');
testUpdatingTitleOnStyleElemenInShadowTree('closed');

function testSVGStyleElementWithTitleInShadowTree(mode) {
    test(function () {
        const host = document.createElement('div');
        document.body.appendChild(host);
        const shadowRoot = host.attachShadow({'mode': mode});
        shadowRoot.innerHTML = '<svg><style title="foo">div {width: 10px}</style><style title="bar">div {width: 20px}</style></svg><div></div>';
        assert_equals(shadowRoot.styleSheets.length, 2);
        assert_equals(shadowRoot.styleSheets[0].title, null);
        assert_equals(shadowRoot.styleSheets[1].title, null);
        assert_equals(getComputedStyle(shadowRoot.querySelector('div')).width, '20px');
    }, `title content attribute on a SVG style element should not set the title of a stylesheet inside a shadow tree of ${mode} mode`);
}

testSVGStyleElementWithTitleInShadowTree('open');
testSVGStyleElementWithTitleInShadowTree('closed');

function testUpdatingTitleOnSVGStyleElemenInShadowTree(mode) {
    test(function () {
        const host = document.createElement('div');
        document.body.appendChild(host);
        const shadowRoot = host.attachShadow({mode});
        shadowRoot.innerHTML = '<svg><style>div {height: 10px}</style><style>div {height: 20px}</style></svg><div></div>';
        assert_equals(shadowRoot.styleSheets.length, 2);
        assert_equals(shadowRoot.styleSheets[0].title, null);
        assert_equals(shadowRoot.styleSheets[1].title, null);
        shadowRoot.firstChild.children[0].setAttribute('title', 'foo');
        shadowRoot.firstChild.children[1].setAttribute('title', 'bar');
        assert_equals(shadowRoot.styleSheets.length, 2);
        assert_equals(shadowRoot.styleSheets[0].title, null);
        assert_equals(shadowRoot.styleSheets[1].title, null);
        assert_equals(getComputedStyle(shadowRoot.querySelector('div')).height, '20px');
    }, `Setting title content attribute on a HTML style element should not set the title of a stylesheet inside a shadow tree of ${mode} mode`);
}

testUpdatingTitleOnSVGStyleElemenInShadowTree('open');
testUpdatingTitleOnSVGStyleElemenInShadowTree('closed');

function testLinkElementWithTitleInShadowTree(mode) {
    promise_test(async function () {
        const host = document.createElement('div');
        const shadowRoot = host.attachShadow({'mode': mode});
        shadowRoot.innerHTML = '<link rel="stylesheet" href="resources/green-div.css" title="foo"><link rel="stylesheet" href="resources/green-div.css" title="bar"><div></div>';
        const promises = Promise.all(Array.from(shadowRoot.querySelectorAll('link')).map((link) => {
            return new Promise((resolve) => link.addEventListener('load', resolve));
        }));
        document.body.appendChild(host);
        await promises;
        assert_equals(shadowRoot.styleSheets.length, 2);
        assert_equals(shadowRoot.styleSheets[0].title, null);
        assert_equals(shadowRoot.styleSheets[1].title, null);
        assert_equals(getComputedStyle(shadowRoot.querySelector('div')).backgroundColor, 'rgb(0, 128, 0)');
    }, `title content attribute on a HTML style element should not set the title of a stylesheet inside a shadow tree of ${mode} mode`);
}

testLinkElementWithTitleInShadowTree('open');
testLinkElementWithTitleInShadowTree('closed');

function testUpdatingTitleOnLinkElementInShadowTree(mode) {
    promise_test(async function () {
        const host = document.createElement('div');
        const shadowRoot = host.attachShadow({'mode': mode});
        shadowRoot.innerHTML = '<link rel="stylesheet" href="resources/green-div.css" title="foo"><link rel="stylesheet" href="resources/green-div.css" title="bar"><div></div>';
        const promises = Promise.all(Array.from(shadowRoot.querySelectorAll('link')).map((link) => {
            return new Promise((resolve) => link.addEventListener('load', resolve));
        }));
        document.body.appendChild(host);
        await promises;
        assert_equals(shadowRoot.styleSheets.length, 2);
        assert_equals(shadowRoot.styleSheets[0].title, null);
        assert_equals(shadowRoot.styleSheets[1].title, null);
        shadowRoot.children[0].setAttribute('title', 'foo');
        shadowRoot.children[1].setAttribute('title', 'bar');
        assert_equals(shadowRoot.styleSheets.length, 2);
        assert_equals(shadowRoot.styleSheets[0].title, null);
        assert_equals(shadowRoot.styleSheets[1].title, null);
        assert_equals(getComputedStyle(shadowRoot.querySelector('div')).backgroundColor, 'rgb(0, 128, 0)');
    }, `Setting title content attribute on a HTML style element should not set the title of a stylesheet inside a shadow tree of ${mode} mode`);
}

testUpdatingTitleOnLinkElementInShadowTree('open');
testUpdatingTitleOnLinkElementInShadowTree('closed');

</script>
</body>
</html>