1 files changed, 53 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-buffer-ascii.js b/tests/node_compat/test/parallel/test-buffer-ascii.js
new file mode 100644
index 000000000..08e4e6543
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-buffer-ascii.js
@@ -0,0 +1,53 @@
+// 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';
+require('../common');
+const assert = require('assert');
+
+// ASCII conversion in node.js simply masks off the high bits,
+// it doesn't do transliteration.
+assert.strictEqual(Buffer.from('hérité').toString('ascii'), 'hC)ritC)');
+
+// 71 characters, 78 bytes. The ’ character is a triple-byte sequence.
+const input = 'C’est, graphiquement, la réunion d’un accent aigu ' +
+              'et d’un accent grave.';
+
+const expected = 'Cb\u0000\u0019est, graphiquement, la rC)union ' +
+                 'db\u0000\u0019un accent aigu et db\u0000\u0019un ' +
+                 'accent grave.';
+
+const buf = Buffer.from(input);
+
+for (let i = 0; i < expected.length; ++i) {
+  assert.strictEqual(buf.slice(i).toString('ascii'), expected.slice(i));
+
+  // Skip remainder of multi-byte sequence.
+  if (input.charCodeAt(i) > 65535) ++i;
+  if (input.charCodeAt(i) > 127) ++i;
+}