Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 105 insertions, 0 deletions

diff --git a/testing/web-platform/tests/fs/script-tests/FileSystemWritableFileStream.js b/testing/web-platform/tests/fs/script-tests/FileSystemWritableFileStream.js
new file mode 100644
index 0000000000..19dc6371cf
--- /dev/null
+++ b/testing/web-platform/tests/fs/script-tests/FileSystemWritableFileStream.js
@@ -0,0 +1,105 @@
+'use strict';
+
+directory_test(async (t, root) => {
+  const handle = await createEmptyFile(t, 'trunc_shrink', root);
+  const stream = await cleanup_writable(t, await handle.createWritable());
+
+  await stream.write('1234567890');
+  await stream.truncate(5);
+  await stream.close();
+
+  assert_equals(await getFileContents(handle), '12345');
+  assert_equals(await getFileSize(handle), 5);
+}, 'truncate() to shrink a file');
+
+directory_test(async (t, root) => {
+  const handle = await createEmptyFile(t, 'trunc_grow', root);
+  const stream = await cleanup_writable(t, await handle.createWritable());
+
+  await stream.write('abc');
+  await stream.truncate(5);
+  await stream.close();
+
+  assert_equals(await getFileContents(handle), 'abc\0\0');
+  assert_equals(await getFileSize(handle), 5);
+}, 'truncate() to grow a file');
+
+directory_test(async (t, root) => {
+  const dir = await createDirectory(t, 'parent_dir', root);
+  const file_name = 'create_writable_fails_when_dir_removed.txt';
+  const handle = await createEmptyFile(t, file_name, dir);
+
+  await root.removeEntry('parent_dir', {recursive: true});
+  await promise_rejects_dom(t, 'NotFoundError', cleanup_writable(t, handle.createWritable()));
+}, 'createWritable() fails when parent directory is removed');
+
+directory_test(async (t, root) => {
+  const handle = await createFileWithContents(
+      t, 'atomic_file_is_copied.txt', 'fooks', root);
+  const stream = await cleanup_writable(t, await handle.createWritable({keepExistingData: true}));
+
+  await stream.write('bar');
+  await stream.close();
+  assert_equals(await getFileContents(handle), 'barks');
+  assert_equals(await getFileSize(handle), 5);
+}, 'createWritable({keepExistingData: true}): atomic writable file stream initialized with source contents');
+
+directory_test(async (t, root) => {
+  const handle = await createFileWithContents(
+      t, 'atomic_file_is_not_copied.txt', 'very long string', root);
+  const stream = await cleanup_writable(t, await handle.createWritable({keepExistingData: false}));
+
+  await stream.write('bar');
+  assert_equals(await getFileContents(handle), 'very long string');
+  await stream.close();
+  assert_equals(await getFileContents(handle), 'bar');
+  assert_equals(await getFileSize(handle), 3);
+}, 'createWritable({keepExistingData: false}): atomic writable file stream initialized with empty file');
+
+directory_test(async (t, root) => {
+  const handle = await createFileWithContents(
+      t, 'trunc_smaller_offset.txt', '1234567890', root);
+  const stream = await cleanup_writable(t, await handle.createWritable({keepExistingData: true}));
+
+  await stream.truncate(5);
+  await stream.write('abc');
+  await stream.close();
+
+  assert_equals(await getFileContents(handle), 'abc45');
+  assert_equals(await getFileSize(handle), 5);
+}, 'cursor position: truncate size > offset');
+
+directory_test(async (t, root) => {
+  const handle = await createFileWithContents(
+      t, 'trunc_bigger_offset.txt', '1234567890', root);
+  const stream = await cleanup_writable(t, await handle.createWritable({keepExistingData: true}));
+
+  await stream.seek(6);
+  await stream.truncate(5);
+  await stream.write('abc');
+  await stream.close();
+
+  assert_equals(await getFileContents(handle), '12345abc');
+  assert_equals(await getFileSize(handle), 8);
+}, 'cursor position: truncate size < offset');
+
+directory_test(async (t, root) => {
+  const handle = await createEmptyFile(t, 'contents', root);
+  const stream = await cleanup_writable(t, await handle.createWritable());
+  assert_false(stream.locked);
+
+  stream.write('abc');
+  assert_false(stream.locked);
+  stream.write('def');
+  assert_false(stream.locked);
+  stream.truncate(9);
+  assert_false(stream.locked);
+  stream.seek(0);
+  assert_false(stream.locked);
+  stream.write('xyz');
+  assert_false(stream.locked);
+  await stream.close();
+
+  assert_equals(await getFileContents(handle), 'xyzdef\0\0\0');
+  assert_equals(await getFileSize(handle), 9);
+}, 'commands are queued, stream is unlocked after each operation');