47 lines
1.9 KiB
HTML
47 lines
1.9 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>shadowRoot.fullscreenElement works correctly</title>
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<link rel="author" title="Tim Nguyen" href="https://github.com/nt1m">
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<link rel="help" href="https://fullscreen.spec.whatwg.org/#dom-document-fullscreenelement">
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</head>
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<div id="host">
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<button onclick="document.exitFullscreen()" id="exitButton">Exit fullscreen</button>
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</div>
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<button id="requestButton">Go fullscreen</button>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/resources/testdriver.js"></script>
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<script src="/resources/testdriver-vendor.js"></script>
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<script>
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promise_test(async function() {
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let host = document.getElementById("host");
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host.attachShadow({ mode: "open" }).innerHTML = `
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<style>
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#outer { width: 200px; height: 200px; background: blue }
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</style>
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<div id="outer">
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<slot></slot>
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</div>
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`;
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let outer = host.shadowRoot.querySelector("#outer");
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await new Promise((resolve) => {
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addEventListener("fullscreenchange", resolve, { once: true });
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requestButton.addEventListener("click", () => outer.requestFullscreen());
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test_driver.click(requestButton);
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});
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assert_equals(outer.getRootNode().fullscreenElement, outer, "Correct shadowRoot.fullscreenElement after entering");
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assert_equals(document.fullscreenElement, host, "Correct document.fullscreenElement after entering");
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await new Promise((resolve) => {
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addEventListener("fullscreenchange", resolve, { once: true });
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test_driver.click(exitButton);
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});
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assert_equals(outer.getRootNode().fullscreenElement, null, "Correct shadowRoot.fullscreenElement after exiting");
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assert_equals(document.fullscreenElement, null, "Correct document.fullscreenElement after exiting");
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}, "shadowRoot.fullscreenElement works correctly");
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</script>
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</html>
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