1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/tests/test262/prs/3994/built-ins/Uint8Array/fromHex/odd-length-input.js b/js/src/tests/test262/prs/3994/built-ins/Uint8Array/fromHex/odd-length-input.js
new file mode 100644
index 0000000000..fe7860a083
--- /dev/null
+++ b/js/src/tests/test262/prs/3994/built-ins/Uint8Array/fromHex/odd-length-input.js
@@ -0,0 +1,14 @@
+// |reftest| shell-option(--enable-uint8array-base64) skip-if(!Uint8Array.fromBase64||!xulRuntime.shell) -- uint8array-base64 is not enabled unconditionally, requires shell-options
+// Copyright (C) 2024 Kevin Gibbons. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-uint8array.fromhex
+description: Uint8Array.fromHex throws if given an odd number of input hex characters
+features: [uint8array-base64, TypedArray]
+---*/
+
+assert.throws(SyntaxError, function() {
+  Uint8Array.fromHex('a');
+});
+
+reportCompare(0, 0);