1 files changed, 73 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-buffer-from.js b/tests/node_compat/test/parallel/test-buffer-from.js
new file mode 100644
index 000000000..6483e2a63
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-buffer-from.js
@@ -0,0 +1,73 @@
+// 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.
+
+'use strict';
+
+const common = require('../common');
+const { deepStrictEqual, throws } = require('assert');
+// const { runInNewContext } = require('vm');
+
+const checkString = 'test';
+
+const check = Buffer.from(checkString);
+
+class MyString extends String {
+  constructor() {
+    super(checkString);
+  }
+}
+
+class MyPrimitive {
+  [Symbol.toPrimitive]() {
+    return checkString;
+  }
+}
+
+class MyBadPrimitive {
+  [Symbol.toPrimitive]() {
+    return 1;
+  }
+}
+
+deepStrictEqual(Buffer.from(new String(checkString)), check);
+deepStrictEqual(Buffer.from(new MyString()), check);
+deepStrictEqual(Buffer.from(new MyPrimitive()), check);
+// TODO(Soremwar)
+// Enable once again when vm works correctly
+// deepStrictEqual(
+//   Buffer.from(runInNewContext('new String(checkString)', { checkString })),
+//   check
+// );
+
+[
+  {},
+  new Boolean(true),
+  { valueOf() { return null; } },
+  { valueOf() { return undefined; } },
+  { valueOf: null },
+  Object.create(null),
+  new Number(true),
+  new MyBadPrimitive(),
+  Symbol(),
+  5n,
+  (one, two, three) => {},
+  undefined,
+  null,
+].forEach((input) => {
+  const errObj = {
+    code: 'ERR_INVALID_ARG_TYPE',
+    name: 'TypeError',
+    message: 'The first argument must be of type string or an instance of ' +
+             'Buffer, ArrayBuffer, or Array or an Array-like Object.' +
+             common.invalidArgTypeHelper(input)
+  };
+  throws(() => Buffer.from(input), errObj);
+  throws(() => Buffer.from(input, 'hex'), errObj);
+});
+
+Buffer.allocUnsafe(10); // Should not throw.
+Buffer.from('deadbeaf', 'hex'); // Should not throw.