1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/prototype/reduce/no-initial-value-set-accumulator-to-first-value.js b/js/src/tests/non262/Iterator/prototype/reduce/no-initial-value-set-accumulator-to-first-value.js
new file mode 100644
index 0000000000..a2b0008e6a
--- /dev/null
+++ b/js/src/tests/non262/Iterator/prototype/reduce/no-initial-value-set-accumulator-to-first-value.js
@@ -0,0 +1,9 @@
+// |reftest| skip-if(!this.hasOwnProperty('Iterator')) -- Iterator is not enabled unconditionally
+
+const reducer = (acc, value) => acc;
+const iterator = [1, 2, 3].values();
+
+assertEq(iterator.reduce(reducer), 1);
+
+if (typeof reportCompare === 'function')
+  reportCompare(0, 0);