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<!DOCTYPE html>
<meta charset=utf-8>
<title>Entries API: FileSystemDirectoryReader manual test</title>
<link rel=help href="https://wicg.github.io/entries-api/#api-directoryreader">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>
<script>
entry_test((t, entry) => {
const reader = entry.createReader();
assert_idl_attribute(reader, 'readEntries', 'FileSystemDirectoryReader has readEntries');
assert_equals(typeof reader.readEntries, 'function', 'readEntries() is a method');
t.done();
}, 'FileSystemDirectoryReader - interface');
entry_test((t, entry) => {
getChildEntry(entry, 'subdir', t.step_func(dir => {
const reader = dir.createReader();
assert_equals(typeof reader.readEntries, 'function');
const found_names = [];
const do_chunk = t.step_func(() =>
reader.readEntries(t.step_func(entries => {
if (entries.length > 0) {
entries.forEach(t.step_func(entry => found_names.push(entry.name)));
do_chunk();
return;
}
found_names.sort();
assert_array_equals(found_names, ['1.txt', '2.txt', '3.txt'],
'directory contents should match');
t.done();
})));
do_chunk();
}), t.unreached_func('A child entry should be found'));
}, 'FileSystemDirectoryReader - basic enumeration');
entry_test((t, entry) => {
const reader = entry.createReader();
reader.readEntries(() => {}, t.unreached_func('readEntries should succeed'));
reader.readEntries(
t.unreached_func('readEntries() should fail if already reading'),
t.step_func(error => {
assert_equals(error.name, 'InvalidStateError', 'invalid state if already reading');
t.done();
}));
}, 'FileSystemDirectoryReader - reading flag');
entry_test((t, entry) => {
const reader = entry.createReader();
const do_chunk = t.step_func(() =>
reader.readEntries(t.step_func(entries => {
if (entries.length > 0) {
do_chunk();
return;
}
reader.readEntries(t.step_func(entries => {
assert_equals(
entries.length, 0,
'calling readEntries() when done should yield and empty sequence');
t.done();
}));
})));
do_chunk();
}, 'FileSystemDirectoryReader - done flag');
// TODO: Manual tests where directory contents are changed during the test.
</script>
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