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chromium/third_party/blink/web_tests/external/wpt/editing/other/insertparagraph-in-editing-host-cannot-have-div.tentative.html 

<!doctype html>
<meta charset=utf-8>
<meta name="timeout" content="long">

<meta name="variant" content="?host=span&white-space=normal&display=block&command=insertParagraph">
<meta name="variant" content="?host=span&white-space=pre&display=block&command=insertParagraph">
<meta name="variant" content="?host=span&white-space=pre-wrap&display=block&command=insertParagraph">
<meta name="variant" content="?host=span&white-space=pre-line&display=block&command=insertParagraph">
<meta name="variant" content="?host=span&white-space=normal&display=block&command=insertText">
<meta name="variant" content="?host=span&white-space=pre&display=block&command=insertText">
<meta name="variant" content="?host=span&white-space=pre-wrap&display=block&command=insertText">
<meta name="variant" content="?host=span&white-space=pre-line&display=block&command=insertText">

<meta name="variant" content="?host=span&white-space=normal&display=inline&command=insertParagraph">
<meta name="variant" content="?host=span&white-space=pre&display=inline&command=insertParagraph">
<meta name="variant" content="?host=span&white-space=pre-wrap&display=inline&command=insertParagraph">
<meta name="variant" content="?host=span&white-space=pre-line&display=inline&command=insertParagraph">
<meta name="variant" content="?host=span&white-space=normal&display=inline&command=insertText">
<meta name="variant" content="?host=span&white-space=pre&display=inline&command=insertText">
<meta name="variant" content="?host=span&white-space=pre-wrap&display=inline&command=insertText">
<meta name="variant" content="?host=span&white-space=pre-line&display=inline&command=insertText">

<meta name="variant" content="?host=span&white-space=normal&display=inline-block&command=insertParagraph">
<meta name="variant" content="?host=span&white-space=pre&display=inline-block&command=insertParagraph">
<meta name="variant" content="?host=span&white-space=pre-wrap&display=inline-block&command=insertParagraph">
<meta name="variant" content="?host=span&white-space=pre-line&display=inline-block&command=insertParagraph">
<meta name="variant" content="?host=span&white-space=normal&display=inline-block&command=insertText">
<meta name="variant" content="?host=span&white-space=pre&display=inline-block&command=insertText">
<meta name="variant" content="?host=span&white-space=pre-wrap&display=inline-block&command=insertText">
<meta name="variant" content="?host=span&white-space=pre-line&display=inline-block&command=insertText">

<meta name="variant" content="?host=p&white-space=normal&display=block&command=insertParagraph">
<meta name="variant" content="?host=p&white-space=pre&display=block&command=insertParagraph">
<meta name="variant" content="?host=p&white-space=pre-wrap&display=block&command=insertParagraph">
<meta name="variant" content="?host=p&white-space=pre-line&display=block&command=insertParagraph">
<meta name="variant" content="?host=p&white-space=normal&display=block&command=insertText">
<meta name="variant" content="?host=p&white-space=pre&display=block&command=insertText">
<meta name="variant" content="?host=p&white-space=pre-wrap&display=block&command=insertText">
<meta name="variant" content="?host=p&white-space=pre-line&display=block&command=insertText">

<meta name="variant" content="?host=p&white-space=normal&display=inline&command=insertParagraph">
<meta name="variant" content="?host=p&white-space=pre&display=inline&command=insertParagraph">
<meta name="variant" content="?host=p&white-space=pre-wrap&display=inline&command=insertParagraph">
<meta name="variant" content="?host=p&white-space=pre-line&display=inline&command=insertParagraph">
<meta name="variant" content="?host=p&white-space=normal&display=inline&command=insertText">
<meta name="variant" content="?host=p&white-space=pre&display=inline&command=insertText">
<meta name="variant" content="?host=p&white-space=pre-wrap&display=inline&command=insertText">
<meta name="variant" content="?host=p&white-space=pre-line&display=inline&command=insertText">

<meta name="variant" content="?host=p&white-space=normal&display=inline-block&command=insertParagraph">
<meta name="variant" content="?host=p&white-space=pre&display=inline-block&command=insertParagraph">
<meta name="variant" content="?host=p&white-space=pre-wrap&display=inline-block&command=insertParagraph">
<meta name="variant" content="?host=p&white-space=pre-line&display=inline-block&command=insertParagraph">
<meta name="variant" content="?host=p&white-space=normal&display=inline-block&command=insertText">
<meta name="variant" content="?host=p&white-space=pre&display=inline-block&command=insertText">
<meta name="variant" content="?host=p&white-space=pre-wrap&display=inline-block&command=insertText">
<meta name="variant" content="?host=p&white-space=pre-line&display=inline-block&command=insertText">

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../include/editor-test-utils.js"></script>
<link rel=stylesheet href=../include/reset.css>
<title>Tests for inserting paragraph in editing host which cannot have &lt;div&gt; element as child</title>
<body></body>
<script>
const params = new URLSearchParams(location.search);
const tag = params.get("host");
const whiteSpace = params.get("white-space");
const isNewLineSignificant = whiteSpace == "pre" || whiteSpace == "pre-line" || whiteSpace == "pre-wrap";
const display = params.get("display");
const command = params.get("command");
const editingHost = document.createElement(tag);
editingHost.contentEditable = true;
editingHost.style.whiteSpace = whiteSpace;
editingHost.style.display = display;
document.body.appendChild(editingHost);

function execInsertTextOrParagraphCommand() {
  if (command == "insertParagraph") {
    document.execCommand(command);
  } else {
    // Inserting a linefeed by insertText command should be equivalent of insertParagraph.
    document.execCommand(command, false, "\n");
  }
}

const editingHostOpenTagAttrs = `contenteditable style="display:${display}; white-space:${whiteSpace}"`;
test(() => {
  const utils = new EditorTestUtils(editingHost);
  utils.setupEditingHost(`a[]b`);
  editingHost.getBoundingClientRect();
  execInsertTextOrParagraphCommand();
  // A linefeed should be inserted if it's significant.  Otherwise, <br>.
  assert_equals(
    editingHost.innerHTML,
    isNewLineSignificant ? "a\nb" : "a<br>b"
  );
}, `<${tag} ${editingHostOpenTagAttrs}>a[]b</${tag}>`);

test(() => {
  const utils = new EditorTestUtils(editingHost);
  utils.setupEditingHost(`<span style="white-space:normal">a[]b</span>`);
  editingHost.getBoundingClientRect();
  execInsertTextOrParagraphCommand();
  // A <br> element should be inserted if another <span> makes the linebreaks not significant.
  assert_equals(editingHost.innerHTML, `<span style="white-space:normal">a<br>b</span>`);
}, `<${tag} ${editingHostOpenTagAttrs}><span style="white-space:normal">a[]b</span></${tag}>`);

if (isNewLineSignificant) {
  test(() => {
    const utils = new EditorTestUtils(editingHost);
    utils.setupEditingHost(`<span style="white-space:normal"><span style="white-space:${whiteSpace}">a[]b</span></span>`);
    editingHost.getBoundingClientRect();
    execInsertTextOrParagraphCommand();
    // A linefeed should be inserted even if `white-space` is changed by ancestor, but it's back to preformatted.
    assert_equals(editingHost.innerHTML, `<span style="white-space:normal"><span style="white-space:${whiteSpace}">a\nb</span></span>`);
  }, `<${tag} ${editingHostOpenTagAttrs}><span style="white-space:normal"><span style="white-space:${whiteSpace}">a[]b</span></span></${tag}>`);
}

test(() => {
  const utils = new EditorTestUtils(editingHost);
  utils.setupEditingHost(`<span style="display:block">a[]b</span>`);
  editingHost.getBoundingClientRect();
  execInsertTextOrParagraphCommand();
  // Split the internal <span> which is styled as block.
  assert_equals(
    editingHost.innerHTML,
    `<span style="display:block">a</span><span style="display:block">b</span>`
  );
}, `<${tag} ${editingHostOpenTagAttrs}><span style="display:block;white-space:normal">a[]b</span></${tag}>`);

test(() => {
  const utils = new EditorTestUtils(editingHost);
  utils.setupEditingHost(`<div>a[]b</div>`);
  editingHost.getBoundingClientRect();
  execInsertTextOrParagraphCommand();
  // Although neither <span> nor <p> can have <div>, but if the insertion point is in the invalid <div>,
  // browsers should just split the <div>.
  assert_equals(editingHost.innerHTML, `<div>a</div><div>b</div>`);
}, `<${tag} ${editingHostOpenTagAttrs}><div>a[]b</div></${tag}>`);

test(() => {
  const utils = new EditorTestUtils(editingHost);
  utils.setupEditingHost(`<div style="display:inline">a[]b</div>`);
  editingHost.getBoundingClientRect();
  execInsertTextOrParagraphCommand();
  // If <div> is styled as inline, it should be treated like <span>.
  assert_equals(editingHost.innerHTML, `<div style="display:inline">a\nb</div>`);
}, `<${tag} ${editingHostOpenTagAttrs}><div style="display:inline">a[]b</div></${tag}>`);

test(() => {
  const utils = new EditorTestUtils(editingHost);
  utils.setupEditingHost(`<div style="display:inline-block">a[]b</div>`);
  editingHost.getBoundingClientRect();
  execInsertTextOrParagraphCommand();
  // If <div> is styled as inline-block, it should be treated like <span>.
  assert_equals(
    editingHost.innerHTML,
    isNewLineSignificant
      ? `<div style="display:inline-block">a\nb</div>`
      : `<div style="display:inline-block">a<br>b</div>`
    );
}, `<${tag} ${editingHostOpenTagAttrs}><div style="display:inline-block">a[]b</div></${tag}>`);

test(() => {
  const utils = new EditorTestUtils(editingHost);
  utils.setupEditingHost(`<div style="display:inline;white-space:normal">a[]b</div>`);
  editingHost.getBoundingClientRect();
  execInsertTextOrParagraphCommand();
  // If <div> is styled as inline, it should be treated like <span>.
  assert_equals(editingHost.innerHTML, `<div style="display:inline;white-space:normal">a<br>b</div>`);
}, `<${tag} ${editingHostOpenTagAttrs}><div style="display:inline;white-space:normal">a[]b</div></${tag}>`);

test(() => {
  const utils = new EditorTestUtils(editingHost);
  utils.setupEditingHost(`<div style="display:inline-block;white-space:normal">a[]b</div>`);
  editingHost.getBoundingClientRect();
  execInsertTextOrParagraphCommand();
  // If <div> is styled as inline-block, it should be treated like <span>.
  assert_equals(editingHost.innerHTML, `<div style="display:inline-block;white-space:normal">a<br>b</div>`);
}, `<${tag} ${editingHostOpenTagAttrs}><div style="display:inline-block;white-space:normal">a[]b</div></${tag}>`);
</script>