File: file-webkitRelativePath-manual.html

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<!DOCTYPE html>
<meta charset=utf-8>
<title>Entries API: File webitRelativePath manual test</title>
<link rel=help href="https://wicg.github.io/entries-api/#file-interface">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

Select the <b>support/a</b> directory:

<input type=file multiple webkitdirectory>

<script>
setup({explicit_timeout: true});

const filesPromise = new Promise(resolve => {
  const elem = document.querySelector('input[type=file]');
  elem.addEventListener('change', e => resolve(elem.files));
});

promise_test(t => filesPromise.then(files => {
  assert_equals(files.length, 3, 'expected 3 items');
  files = Array.from(files).sort(
    (a, b) => a.name < b.name ? -1 : b.name < a.name ? 1 : 0);
  assert_equals(files[0].name, '1.txt');
  assert_equals(files[1].name, '2.txt');
  assert_equals(files[2].name, '3.txt');
  assert_equals(files[0].webkitRelativePath, 'a/b/c/d/1.txt');
  assert_equals(files[1].webkitRelativePath, 'a/b/c/d/2.txt');
  assert_equals(files[2].webkitRelativePath, 'a/b/c/3.txt');

}), 'webkitRelativePath is shortest common ancestor');

</script>