1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/from/wrap-next-not-object-throws.js b/js/src/tests/non262/Iterator/from/wrap-next-not-object-throws.js
new file mode 100644
index 0000000000..0e5b559f3b
--- /dev/null
+++ b/js/src/tests/non262/Iterator/from/wrap-next-not-object-throws.js
@@ -0,0 +1,14 @@
+// |reftest| skip-if(!this.hasOwnProperty('Iterator')) -- Iterator is not enabled unconditionally
+const iter = (value) => Iterator.from({
+  next: () => value,
+});
+
+assertThrowsInstanceOf(() => iter(undefined).next(), TypeError);
+assertThrowsInstanceOf(() => iter(null).next(), TypeError);
+assertThrowsInstanceOf(() => iter(0).next(), TypeError);
+assertThrowsInstanceOf(() => iter(false).next(), TypeError);
+assertThrowsInstanceOf(() => iter('test').next(), TypeError);
+assertThrowsInstanceOf(() => iter(Symbol('')).next(), TypeError);
+
+if (typeof reportCompare === 'function')
+  reportCompare(0, 0);