1 files changed, 25 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-buffer-constants.js b/tests/node_compat/test/parallel/test-buffer-constants.js
new file mode 100644
index 000000000..0c4f6e21b
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-buffer-constants.js
@@ -0,0 +1,25 @@
+// 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';
+require('../common');
+const assert = require('assert');
+
+const { kMaxLength, kStringMaxLength } = require('buffer');
+const { MAX_LENGTH, MAX_STRING_LENGTH } = require('buffer').constants;
+
+assert.strictEqual(typeof MAX_LENGTH, 'number');
+assert.strictEqual(typeof MAX_STRING_LENGTH, 'number');
+assert(MAX_STRING_LENGTH <= MAX_LENGTH);
+assert.throws(() => ' '.repeat(MAX_STRING_LENGTH + 1),
+              /^RangeError: Invalid string length$/);
+
+' '.repeat(MAX_STRING_LENGTH); // Should not throw.
+
+// Legacy values match:
+assert.strictEqual(kMaxLength, MAX_LENGTH);
+assert.strictEqual(kStringMaxLength, MAX_STRING_LENGTH);