<!doctype html>
<title>fieldset min-inline-size</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<style>
 fieldset { width: 0; height: 0 }
 fieldset > div { width: 100px; height: 100px }
 #vertical-lr { writing-mode: vertical-lr }
 #vertical-rl { writing-mode: vertical-rl }
 .override { min-inline-size: 5px }
</style>
<fieldset id=horizontal-tb><div></div></fieldset>
<fieldset id=vertical-lr><div></div></fieldset>
<fieldset id=vertical-rl><div></div></fieldset>
<script>
  for (const className of ['', 'override']) {
    const expected = className === '' ? '100px' : '5px';
    test(() => {
      const fieldset = document.getElementById('horizontal-tb');
      fieldset.className = className;
      assert_equals(getComputedStyle(fieldset).width, expected, 'width');
      assert_equals(getComputedStyle(fieldset).height, '0px', 'height');
    }, `horizontal-tb ${className}`);

    test(() => {
      const fieldset = document.getElementById('vertical-lr');
      fieldset.className = className;
      assert_equals(getComputedStyle(fieldset).width, '0px', 'width');
      assert_equals(getComputedStyle(fieldset).height, expected, 'height');
    }, `vertical-lr ${className}`);

    test(() => {
      const fieldset = document.getElementById('vertical-rl');
      fieldset.className = className;
      assert_equals(getComputedStyle(fieldset).width, '0px', 'width');
      assert_equals(getComputedStyle(fieldset).height, expected, 'height');
    }, `vertical-rl ${className}`);
  }
</script>