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              <h1>Fill in the __BLANKS__ to fix these tests</h1>

<table id="one-caption">
  <caption>Fixture table caption</caption>
</table>

<table id="two-captions">
  <caption>Fixture table caption</caption>
  <caption>A second caption element</caption>
</table>

<table id="zero-captions"></table>

<table id="descendent-caption">
  <tr>
    <td>
      <table>
        <caption>Nested caption</caption>
      </table>
    </td>
  </tr>
</table>
            
          
!
            
              
  test(function() {
    var table = document.getElementById('one-caption');

    table.deleteCaption();
    assert_equals(table.getElementsByTagName('caption').length, __HOW_MANY_CAPTIONS_ARE_LEFT__, 'caption was removed');

  }, 'deleteCaption() delete only caption on table');

  test(function() {
    var table = document.getElementById('one-caption');
    var result;

    result = table.deleteCaption();
    assert_equals(result, __WHAT_IS_THE_RETURN_VALUE__, '.deleteCaption() returns undefined');
  }, 'deleteCaption() returns undefined');

  test(function() {
    var table = document.getElementById('two-captions');

    table.deleteCaption();
    assert_equals(table.getElementsByTagName('caption').length, __HOW_MANY_CAPTIONS_ARE_LEFT__, '1 caption (of 2) was removed');
    assert_equals(table.getElementsByTagName('caption')[0].textContent, __WHAT_IS_THE_TEXT_OF_THIS_CAPTION__, 'The first caption was removed');

    // removing the only caption
    table.deleteCaption();
    assert_equals(table.getElementsByTagName('caption').length, __HOW_MANY_CAPTIONS_ARE_LEFT__, 'last caption was removed');
  }, 'deleteCaption()');

  test(function() {
    var table = document.getElementById('zero-captions');
    // removing a caption when none exists
    table.deleteCaption();

    assert_equals(table.getElementsByTagName('caption').length, __HOW_MANY_CAPTIONS_ARE_LEFT__, 'no exceptions using .deleteCaption() on a table without any captions');

  }, 'deleteCaption() does not throw any exceptions when called on a table without a caption');

  test(function() {
    var table = document.getElementById('descendent-caption');
    table.deleteCaption();

    assert_equals(table.getElementsByTagName('caption').length, __HOW_MANY_CAPTIONS_ARE_LEFT__, 'descendent caption was not deleted');
  }, 'deleteCaption() does not delete captions in descendent tables');

  test(function() {
    var table = document.getElementById('zero-captions');
    var caption;

    caption = document.createElementNS('http://www.w3.org/2000/svg', 'caption');
    table.insertBefore(caption, table.firstChild);
    assert_equals(table.getElementsByTagName('caption').length, __HOW_MANY_CAPTIONS__, 'SVG:caption is created');

    table.deleteCaption();
    assert_equals(table.getElementsByTagName('caption').length, __HOW_MANY_CAPTIONS_ARE_LEFT__, 'SVG:caption is not deleted');

  }, 'deleteCaption() handles captions from different namespaces');
            
          
!
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