Add a couple node tests that are now passing

test/js/node/test/parallel/fs-buffertype-writesync.test.js

@@ -0,0 +1,21 @@
+//#FILE: test-fs-buffertype-writesync.js
+//#SHA1: 6af4aca43ae7299ed310d17733db6dcc43d0ed2b
+//-----------------
+'use strict';
+const fs = require('fs');
+
+test('fs.writeSync throws for invalid data input', () => {
+  const invalidInputs = [
+    true, false, 0, 1, Infinity, () => {}, {}, [], undefined, null,
+  ];
+
+  invalidInputs.forEach((value) => {
+    expect(() => fs.writeSync(1, value)).toThrow(expect.objectContaining({
+      message: expect.stringMatching(/"buffer"/),
+      code: 'ERR_INVALID_ARG_TYPE',
+      name: 'TypeError'
+    }));
+  });
+});
+
+//<#END_FILE: test-fs-buffertype-writesync.js

test/js/node/test/parallel/fs-read-stream-resume.test.js

@@ -0,0 +1,62 @@
+//#FILE: test-fs-read-stream-resume.js
+//#SHA1: ce30da9de55a395441a4670145bc3a57a2e1763e
+//-----------------
+// 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 fs = require('fs');
+const path = require('path');
+
+const file = path.join(__dirname, '..', 'fixtures', 'x.txt');
+
+test('fs.createReadStream resume behavior', (done) => {
+  let data = '';
+  let first = true;
+
+  const stream = fs.createReadStream(file);
+  stream.setEncoding('utf8');
+
+  const dataHandler = jest.fn((chunk) => {
+    data += chunk;
+    if (first) {
+      first = false;
+      stream.resume();
+    }
+  });
+
+  stream.on('data', dataHandler);
+
+  process.nextTick(() => {
+    stream.pause();
+    setTimeout(() => {
+      stream.resume();
+    }, 100);
+  });
+
+  stream.on('end', () => {
+    expect(data).toBe('xyz\n');
+    expect(dataHandler).toHaveBeenCalled();
+    done();
+  });
+});
+
+//<#END_FILE: test-fs-read-stream-resume.js

test/js/node/test/parallel/fs-read-zero-length.test.js

@@ -0,0 +1,41 @@
+//#FILE: test-fs-read-zero-length.js
+//#SHA1: bda4b0f0c821a8479ffbf0a9099444eed6ee5c4e
+//-----------------
+'use strict';
+const fs = require('fs');
+const path = require('path');
+
+const fixturesPath = path.join(__dirname, '..', 'fixtures');
+const filepath = path.join(fixturesPath, 'x.txt');
+
+let fd;
+
+beforeAll(() => {
+  fd = fs.openSync(filepath, 'r');
+});
+
+afterAll(() => {
+  fs.closeSync(fd);
+});
+
+test('fs.read with zero length buffer (async)', (done) => {
+  const bufferAsync = Buffer.alloc(0);
+
+  fs.read(fd, bufferAsync, 0, 0, 0, (err, bytesRead) => {
+    expect(err).toBeNull();
+    expect(bytesRead).toBe(0);
+    expect(bufferAsync).toEqual(Buffer.alloc(0));
+    done();
+  });
+});
+
+test('fs.readSync with zero length buffer', () => {
+  const bufferSync = Buffer.alloc(0);
+
+  const bytesRead = fs.readSync(fd, bufferSync, 0, 0, 0);
+
+  expect(bufferSync).toEqual(Buffer.alloc(0));
+  expect(bytesRead).toBe(0);
+});
+
+//<#END_FILE: test-fs-read-zero-length.js

test/js/node/test/parallel/fs-realpath-native.test.js

@@ -0,0 +1,25 @@
+//#FILE: test-fs-realpath-native.js
+//#SHA1: add12c89cd17b16ae70ae1cfe943ce49157b2e68
+//-----------------
+'use strict';
+const fs = require('fs');
+const path = require('path');
+
+const filename = __filename.toLowerCase();
+
+test('fs.realpathSync.native works correctly', () => {
+  const result = fs.realpathSync.native(filename);
+  expect(result.toLowerCase()).toBe(filename);
+});
+
+test('fs.realpath.native works correctly', async () => {
+  const result = await new Promise((resolve, reject) => {
+    fs.realpath.native(filename, (err, res) => {
+      if (err) reject(err);
+      else resolve(res);
+    });
+  });
+  expect(result.toLowerCase()).toBe(filename);
+});
+
+//<#END_FILE: test-fs-realpath-native.js

test/js/node/test/parallel/fs-watch-recursive-delete.test.js

@@ -0,0 +1,58 @@
+//#FILE: test-fs-watch-recursive-delete.js
+//#SHA1: 00ca669f5bbedc8645a0e2ab48bd2f4200ab8175
+//-----------------
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+const os = require('os');
+
+const tmpdir = path.join(os.tmpdir(), 'test-fs-watch-recursive-delete');
+
+beforeAll(() => {
+  if (fs.existsSync(tmpdir)) {
+    fs.rmSync(tmpdir, { recursive: true, force: true });
+  }
+  fs.mkdirSync(tmpdir, { recursive: true });
+});
+
+afterAll(() => {
+  fs.rmSync(tmpdir, { recursive: true, force: true });
+});
+
+// Skip test for SunOS and IBMi
+const isSunOS = os.platform() === 'sunos';
+const isIBMi = os.platform() === 'aix' && os.type() === 'OS400';
+
+if (isSunOS || isIBMi) {
+  test.skip('SunOS behaves differently or IBMi does not support `fs.watch()`', () => {});
+} else {
+  test('fs.watch recursive delete', (done) => {
+    const parentDir = path.join(tmpdir, 'parent');
+    const childDir = path.join(parentDir, 'child');
+    const testFile = path.join(childDir, 'test.tmp');
+
+    fs.mkdirSync(childDir, { recursive: true });
+    fs.writeFileSync(testFile, 'test');
+
+    const onFileUpdate = jest.fn((eventType, filename) => {
+      // We are only checking for the filename to avoid having Windows, Linux and Mac specific assertions
+      if (fs.readdirSync(parentDir).length === 0) {
+        watcher.close();
+        expect(onFileUpdate).toHaveBeenCalled();
+        done();
+      }
+    });
+
+    const watcher = fs.watch(parentDir, { recursive: true }, onFileUpdate);
+
+    // We must wait a bit for `fs.rm()` to let the watcher be set up properly
+    setTimeout(() => {
+      fs.rm(childDir, { recursive: true }, (err) => {
+        expect(err).toBeNull();
+      });
+    }, 500);
+  }, 10000); // Increase timeout to 10 seconds
+}
+
+//<#END_FILE: test-fs-watch-recursive-delete.js