1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/prototype/reduce/error-from-correct-realm.js b/js/src/tests/non262/Iterator/prototype/reduce/error-from-correct-realm.js
new file mode 100644
index 0000000000..96634ba62b
--- /dev/null
+++ b/js/src/tests/non262/Iterator/prototype/reduce/error-from-correct-realm.js
@@ -0,0 +1,16 @@
+// |reftest| skip-if(!this.hasOwnProperty('Iterator')) -- Iterator is not enabled unconditionally
+
+const otherGlobal = newGlobal({newCompartment: true});
+assertEq(TypeError !== otherGlobal.TypeError, true);
+
+const iter = [].values();
+
+assertThrowsInstanceOf(() => iter.reduce(), TypeError);
+assertThrowsInstanceOf(
+  otherGlobal.Iterator.prototype.reduce.bind(iter),
+  otherGlobal.TypeError,
+  'TypeError comes from the realm of the method.',
+);
+
+if (typeof reportCompare === 'function')
+  reportCompare(0, 0);