<!DOCTYPE html>
<style>
.flex {
  display: inline-flex;
  border: thick solid;
  height: 50px;
  width: 50px;
  margin: 50px;
}

.i1 {
  color: cyan;
  background: magenta;
  font-size: 100px;
}

.auto { overflow: auto; }
.hidden { overflow: hidden; }
</style>

<p>This test checks that implied minimum size of grid items is only applied if overflow is visible.</p>
<p>The test passes if in the first grid the item overflows, in the second one it has scrollbars,
and in the third one the item doesn't overflow but it doesn't have scrollbars.</p>

<div class="flex" style="align-items: start;">
  <div class="i1">X</div>
</div>

<div class="flex">
  <div class="i1 auto">X</div>
</div>

<div class="flex">
  <div class="i1 hidden">X</div>
</div>