1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/test262/prs/3994/built-ins/Uint8Array/prototype/toBase64/results.js b/js/src/tests/test262/prs/3994/built-ins/Uint8Array/prototype/toBase64/results.js
new file mode 100644
index 0000000000..5ce75170b7
--- /dev/null
+++ b/js/src/tests/test262/prs/3994/built-ins/Uint8Array/prototype/toBase64/results.js
@@ -0,0 +1,19 @@
+// |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.prototype.tobase64
+description: Conversion of Uint8Arrays to base64 strings
+features: [uint8array-base64, TypedArray]
+---*/
+
+// standard test vectors from https://datatracker.ietf.org/doc/html/rfc4648#section-10
+assert.sameValue((new Uint8Array([])).toBase64(), "");
+assert.sameValue((new Uint8Array([102])).toBase64(), "Zg==");
+assert.sameValue((new Uint8Array([102, 111])).toBase64(), "Zm8=");
+assert.sameValue((new Uint8Array([102, 111, 111])).toBase64(), "Zm9v");
+assert.sameValue((new Uint8Array([102, 111, 111, 98])).toBase64(), "Zm9vYg==");
+assert.sameValue((new Uint8Array([102, 111, 111, 98, 97])).toBase64(), "Zm9vYmE=");
+assert.sameValue((new Uint8Array([102, 111, 111, 98, 97, 114])).toBase64(), "Zm9vYmFy");
+
+reportCompare(0, 0);