1 files changed, 68 insertions, 0 deletions
diff --git a/cli/tests/node_compat/test/parallel/test-whatwg-encoding-custom-api-basics.js b/cli/tests/node_compat/test/parallel/test-whatwg-encoding-custom-api-basics.js
new file mode 100644
index 000000000..5d404285b
--- /dev/null
+++ b/cli/tests/node_compat/test/parallel/test-whatwg-encoding-custom-api-basics.js
@@ -0,0 +1,68 @@
+// 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';
+
+// From: https://github.com/w3c/web-platform-tests/blob/master/encoding/api-basics.html
+// This is the part that can be run without ICU
+
+require('../common');
+
+const assert = require('assert');
+
+function testDecodeSample(encoding, string, bytes) {
+  assert.strictEqual(
+    new TextDecoder(encoding).decode(new Uint8Array(bytes)),
+    string);
+  assert.strictEqual(
+    new TextDecoder(encoding).decode(new Uint8Array(bytes).buffer),
+    string);
+}
+
+// `z` (ASCII U+007A), cent (Latin-1 U+00A2), CJK water (BMP U+6C34),
+// G-Clef (non-BMP U+1D11E), PUA (BMP U+F8FF), PUA (non-BMP U+10FFFD)
+// byte-swapped BOM (non-character U+FFFE)
+const sample = 'z\xA2\u6C34\uD834\uDD1E\uF8FF\uDBFF\uDFFD\uFFFE';
+
+{
+  const encoding = 'utf-8';
+  const string = sample;
+  const bytes = [
+    0x7A, 0xC2, 0xA2, 0xE6, 0xB0, 0xB4,
+    0xF0, 0x9D, 0x84, 0x9E, 0xEF, 0xA3,
+    0xBF, 0xF4, 0x8F, 0xBF, 0xBD, 0xEF,
+    0xBF, 0xBE,
+  ];
+  const encoded = new TextEncoder().encode(string);
+  assert.deepStrictEqual([].slice.call(encoded), bytes);
+  assert.strictEqual(
+    new TextDecoder(encoding).decode(new Uint8Array(bytes)),
+    string);
+  assert.strictEqual(
+    new TextDecoder(encoding).decode(new Uint8Array(bytes).buffer),
+    string);
+}
+
+testDecodeSample(
+  'utf-16le',
+  sample,
+  [
+    0x7A, 0x00, 0xA2, 0x00, 0x34, 0x6C,
+    0x34, 0xD8, 0x1E, 0xDD, 0xFF, 0xF8,
+    0xFF, 0xDB, 0xFD, 0xDF, 0xFE, 0xFF,
+  ]
+);
+
+testDecodeSample(
+  'utf-16',
+  sample,
+  [
+    0x7A, 0x00, 0xA2, 0x00, 0x34, 0x6C,
+    0x34, 0xD8, 0x1E, 0xDD, 0xFF, 0xF8,
+    0xFF, 0xDB, 0xFD, 0xDF, 0xFE, 0xFF,
+  ]
+);