<!doctype html>
<title>button with grid/inline-grid</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<style>
#inline-grid { display: inline-grid }
#grid { display: grid }
#ref > div { display: grid }
#inline-grid, #grid, #ref > div { grid-template: auto auto / auto auto }
</style>
<button id=inline-grid><div>1</div><div>2</div><div>3</div><div>4</div></button>
<button id=grid><div>1</div><div>2</div><div>3</div><div>4</div></button>
<button id=ref><div><div>1</div><div>2</div><div>3</div><div>4</div></div></button>
<script>
const ref = document.getElementById('ref');
const expectedWidth = ref.clientWidth;
const expectedHeight = ref.clientHeight;
for (const elm of [document.getElementById('inline-grid'),
                   document.getElementById('grid')]) {
  test(() => {
    // check that grid is supported
    const gridValue = elm.id;
    assert_equals(getComputedStyle(elm).display, gridValue, `${gridValue} is not supported`);
    const width = elm.clientWidth;
    const height = elm.clientHeight;
    assert_equals(width, expectedWidth, 'clientWidth');
    assert_equals(height, expectedHeight, 'clientHeight');
  }, elm.id);
}
</script>
