computed-style-layout-function.https.html

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /css/css-layout-api/computed-style-layout-function.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#valdef-display-layout">

<meta name="assert" content="This test checks that a layout() function parses correctly and serializes correctly from computed style." />

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<style>

#test1 { display: layout(test1); }

#test2 { display: layout(); }

#test3 { display: layout(test3, invalid); }

#test4 { --display: layout(test4); display: var(--display); }

</style>

<div id=test1></div>

<div id=test2></div>

<div id=test3></div>

<div id=test4></div>

<div id=test5></div>

<script>

test(function() {

  const test1 = document.getElementById('test1');

  assert_equals(getComputedStyle(test1).display, 'layout(test1)');

});

test(function() {

  // layout() should fail to parse.

  const test2 = document.getElementById('test2');

  assert_equals(getComputedStyle(test2).display, 'block');

});

test(function() {

  // layout(test3, invalid) should fail to parse.

  const test3 = document.getElementById('test3');

  assert_equals(getComputedStyle(test3).display, 'block');

});

test(function() {

  // Setting via a custom property should work.

  const test4 = document.getElementById('test4');

  assert_equals(getComputedStyle(test4).display, 'layout(test4)');

});

test(function() {

  // Setting the inline style should reflect in the computed style.

  const test5 = document.getElementById('test5');

  assert_equals(getComputedStyle(test5).display, 'block');

  test5.style.display = 'layout(test5)';

  assert_equals(getComputedStyle(test5).display, 'layout(test5)');

});

</script>