47 lines
1.7 KiB
HTML
47 lines
1.7 KiB
HTML
<!doctype html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="variant" content="?mode=closed">
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<meta name="variant" content="?mode=open">
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<title>Range in shadow after removing the shadow</title>
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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>
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"use strict";
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addEventListener("load", () => {
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const mode = (new URLSearchParams(document.location.search)).get("mode");
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test(() => {
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const host = document.createElement("div");
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host.id = "host";
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const root = host.attachShadow({mode});
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root.innerHTML = '<div id="in-shadow">ABC</div>';
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document.body.appendChild(host);
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const range = document.createRange();
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range.setStart(root.firstChild, 1);
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host.remove();
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assert_equals(range.startContainer, root.firstChild, "startContainer should not be changed");
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assert_equals(range.startOffset, 1, "startOffset should not be changed");
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}, "Range in shadow should stay in the shadow after the host is removed");
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test(() => {
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const wrapper = document.createElement("div");
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wrapper.id = "wrapper";
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const host = document.createElement("div");
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host.id = "host";
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const root = host.attachShadow({mode});
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root.innerHTML = '<div id="in-shadow">ABC</div>';
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wrapper.appendChild(host);
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document.body.appendChild(wrapper);
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const range = document.createRange();
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range.setStart(root.firstChild, 1);
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wrapper.remove();
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assert_equals(range.startContainer, root.firstChild, "startContainer should not be changed");
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assert_equals(range.startOffset, 1, "startOffset should not be changed");
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}, "Range in shadow should stay in the shadow after the host parent is removed");
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}, {once: true});
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</script>
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</head>
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<body></body>
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</html>
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