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<!doctype html>
<html>
<head>
<meta charset=utf-8>
<title>Testing normalizing white-space sequence after execCommand("insertparagraph", false, "foo")</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<script>
"use strict";
setup({explicit_done: true});
function runTests() {
// README:
// These tests based on the behavior of Chrome 83. This test does NOT define
// nor suggest any standard behavior (actually, some expected results might
// look odd), but this test must help you to understand how other browsers
// use different logic to normalize white-space sequence.
document.body.innerHTML = "<div contenteditable></div>";
let editor = document.querySelector("div[contenteditable]");
editor.focus();
let selection = document.getSelection();
function escape(str) {
return typeof(str) === "string" ? str.replace(/\u00A0/ig, " ") : "";
}
function generateWhiteSpaces(num, lastIsAlwaysNBSP) {
let str = "";
for (let i = 0; i < num - 1; i++) {
str += i % 2 ? " " : "\u00A0";
}
str += lastIsAlwaysNBSP || num % 2 ? "\u00A0" : " ";
return escape(str);
}
function getDescriptionForTextNode(textNode) {
return selection.focusNode === textNode ?
`${escape(textNode.data.slice(0, selection.focusOffset))}[]${escape(textNode.data.slice(selection.focusOffset))}` :
escape(textNode);
}
editor.innerHTML = "<div>a b</div>";
selection.collapse(editor.firstChild.firstChild, 0);
test(function () {
document.execCommand("insertparagraph", false, "");
assert_equals(editor.innerHTML,
`<div><br></div><div>a b</div>`,
"Modified text is wrong");
}, `execCommand("insertparagraph", false, "") at "<div>${getDescriptionForTextNode(editor.firstChild.firstChild)}</div>"`);
for (let i = 1; i <= 10; i++) {
editor.innerHTML = "<div>a b</div>";
selection.collapse(editor.firstChild.firstChild, i);
test(function () {
let text = editor.firstChild.firstChild.data;
document.execCommand("insertparagraph", false, "");
assert_equals(editor.innerHTML,
`<div>${escape(text.slice(0, i))}</div><div>${escape(text.slice(i))}</div>`,
"Modified text is wrong");
}, `execCommand("insertparagraph", false, "") at "<div>${getDescriptionForTextNode(editor.firstChild.firstChild)}</div>"`);
}
done();
}
window.addEventListener("load", runTests, {once: true});
</script>
</body>
</html>
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