File: fieldset-calculating-min-max-content.html

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<!DOCTYPE html>
<title>fieldset calculating min-/max-content</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<style>
fieldset { margin: 0; padding: 0; }
.min-content { width: 0; }
legend { padding: 0; }
fieldset, #ref-max-content, #ref-min-content { float: left; clear: left; border: 1px solid; }
#log { clear: left; }
</style>
<fieldset class=max-content><legend>foo fooo</legend>x x</fieldset>
<fieldset class=max-content><legend>x x</legend>foo fooo</fieldset>
<div id=ref-max-content>foo fooo</div>

<fieldset class=min-content><legend>foo fooo</legend>x x</fieldset>
<fieldset class=min-content><legend>x x</legend>foo fooo</fieldset>
<div id=ref-min-content>fooo</div>

<script>
test(() => {
  const ref = document.querySelector('#ref-max-content');
  for (const e of document.querySelectorAll('.max-content')) {
    assert_equals(e.clientWidth, ref.clientWidth);
  }
}, 'max-content');

test(() => {
  const ref = document.querySelector('#ref-min-content');
  for (const e of document.querySelectorAll('.min-content')) {
    assert_equals(e.clientWidth, ref.clientWidth);
  }
}, 'min-content');
</script>