test(ext/node): more node compat tests (#17827)

This PR adds the remaining ~650 Node.js compat test cases from std/node.

Among these 650 cases, about 130 cases are now failing. These failing
cases are prefixed with `TODO:` in `tests/node_compat/config.json`.
These will be addressed in later PRs.

1 files changed, 45 insertions, 0 deletions

diff --git a/cli/tests/node_compat/test/parallel/test-buffer-isencoding.js b/cli/tests/node_compat/test/parallel/test-buffer-isencoding.js
new file mode 100644
index 000000000..f6fdfd8f9
--- /dev/null
+++ b/cli/tests/node_compat/test/parallel/test-buffer-isencoding.js
@@ -0,0 +1,45 @@
+// 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 "node/_tools/setup.ts". Do not modify this file manually
+
+'use strict';
+
+require('../common');
+const assert = require('assert');
+
+[
+  'hex',
+  'utf8',
+  'utf-8',
+  'ascii',
+  'latin1',
+  'binary',
+  'base64',
+  'base64url',
+  'ucs2',
+  'ucs-2',
+  'utf16le',
+  'utf-16le',
+].forEach((enc) => {
+  assert.strictEqual(Buffer.isEncoding(enc), true);
+});
+
+[
+  'utf9',
+  'utf-7',
+  'Unicode-FTW',
+  'new gnu gun',
+  false,
+  NaN,
+  {},
+  Infinity,
+  [],
+  1,
+  0,
+  -1,
+].forEach((enc) => {
+  assert.strictEqual(Buffer.isEncoding(enc), false);
+});