1 files changed, 21 insertions, 0 deletions
diff --git a/test/parallel/test-buffer-tostring-rangeerror.js b/test/parallel/test-buffer-tostring-rangeerror.js
new file mode 100644
index 0000000000..ccfb40bee7
--- /dev/null
+++ b/test/parallel/test-buffer-tostring-rangeerror.js
@@ -0,0 +1,21 @@
+'use strict';
+const common = require('../common');
+
+// This test ensures that Node.js throws a RangeError when trying to convert a
+// gigantic buffer into a string.
+// Regression test for https://github.com/nodejs/node/issues/649.
+
+const assert = require('assert');
+const SlowBuffer = require('buffer').SlowBuffer;
+
+const len = 1422561062959;
+const message = common.expectsError({
+  code: 'ERR_INVALID_OPT_VALUE',
+  type: RangeError,
+  message: /^The value "[^"]*" is invalid for option "size"$/
+}, 5);
+assert.throws(() => Buffer(len).toString('utf8'), message);
+assert.throws(() => SlowBuffer(len).toString('utf8'), message);
+assert.throws(() => Buffer.alloc(len).toString('utf8'), message);
+assert.throws(() => Buffer.allocUnsafe(len).toString('utf8'), message);
+assert.throws(() => Buffer.allocUnsafeSlow(len).toString('utf8'), message);