1 files changed, 115 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-fs-append-file-sync.js b/tests/node_compat/test/parallel/test-fs-append-file-sync.js
new file mode 100644
index 000000000..d5adc427d
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-fs-append-file-sync.js
@@ -0,0 +1,115 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 18.12.1
+// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
+
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const join = require('path').join;
+const fs = require('fs');
+
+const currentFileData = 'ABCD';
+const m = 0o600;
+const num = 220;
+const data = '南越国是前203年至前111年存在于岭南地区的一个国家，国都位于番禺，疆域包括今天中国的广东、' +
+             '广西两省区的大部份地区，福建省、湖南、贵州、云南的一小部份地区和越南的北部。' +
+             '南越国是秦朝灭亡后，由南海郡尉赵佗于前203年起兵兼并桂林郡和象郡后建立。' +
+             '前196年和前179年，南越国曾先后两次名义上臣属于西汉，成为西汉的“外臣”。前112年，' +
+             '南越国末代君主赵建德与西汉发生战争，被汉武帝于前111年所灭。南越国共存在93年，' +
+             '历经五代君主。南越国是岭南地区的第一个有记载的政权国家，采用封建制和郡县制并存的制度，' +
+             '它的建立保证了秦末乱世岭南地区社会秩序的稳定，有效的改善了岭南地区落后的政治、##济现状。\n';
+
+const tmpdir = require('../common/tmpdir');
+tmpdir.refresh();
+
+// Test that empty file will be created and have content added.
+const filename = join(tmpdir.path, 'append-sync.txt');
+
+fs.appendFileSync(filename, data);
+
+const fileData = fs.readFileSync(filename);
+
+assert.strictEqual(Buffer.byteLength(data), fileData.length);
+
+// Test that appends data to a non empty file.
+const filename2 = join(tmpdir.path, 'append-sync2.txt');
+fs.writeFileSync(filename2, currentFileData);
+
+fs.appendFileSync(filename2, data);
+
+const fileData2 = fs.readFileSync(filename2);
+
+assert.strictEqual(Buffer.byteLength(data) + currentFileData.length,
+                   fileData2.length);
+
+// Test that appendFileSync accepts buffers.
+const filename3 = join(tmpdir.path, 'append-sync3.txt');
+fs.writeFileSync(filename3, currentFileData);
+
+const buf = Buffer.from(data, 'utf8');
+fs.appendFileSync(filename3, buf);
+
+const fileData3 = fs.readFileSync(filename3);
+
+assert.strictEqual(buf.length + currentFileData.length, fileData3.length);
+
+const filename4 = join(tmpdir.path, 'append-sync4.txt');
+fs.writeFileSync(filename4, currentFileData, common.mustNotMutateObjectDeep({ mode: m }));
+
+[
+  true, false, 0, 1, Infinity, () => {}, {}, [], undefined, null,
+].forEach((value) => {
+  assert.throws(
+    () => fs.appendFileSync(filename4, value, common.mustNotMutateObjectDeep({ mode: m })),
+    { message: /data/, code: 'ERR_INVALID_ARG_TYPE' }
+  );
+});
+fs.appendFileSync(filename4, `${num}`, common.mustNotMutateObjectDeep({ mode: m }));
+
+// Windows permissions aren't Unix.
+if (!common.isWindows) {
+  const st = fs.statSync(filename4);
+  assert.strictEqual(st.mode & 0o700, m);
+}
+
+const fileData4 = fs.readFileSync(filename4);
+
+assert.strictEqual(Buffer.byteLength(String(num)) + currentFileData.length,
+                   fileData4.length);
+
+// Test that appendFile accepts file descriptors.
+const filename5 = join(tmpdir.path, 'append-sync5.txt');
+fs.writeFileSync(filename5, currentFileData);
+
+const filename5fd = fs.openSync(filename5, 'a+', 0o600);
+fs.appendFileSync(filename5fd, data);
+fs.closeSync(filename5fd);
+
+const fileData5 = fs.readFileSync(filename5);
+
+assert.strictEqual(Buffer.byteLength(data) + currentFileData.length,
+                   fileData5.length);