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-rw-r--r--js/src/jit-test/tests/collections/iterator-proto-2.js13
1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/iterator-proto-2.js b/js/src/jit-test/tests/collections/iterator-proto-2.js
new file mode 100644
index 0000000000..d6d5ba7d7f
--- /dev/null
+++ b/js/src/jit-test/tests/collections/iterator-proto-2.js
@@ -0,0 +1,13 @@
+// Iterators of different collection types have different prototypes.
+
+load(libdir + "iteration.js");
+
+var aproto = Object.getPrototypeOf(Array()[Symbol.iterator]());
+var mproto = Object.getPrototypeOf((new Map())[Symbol.iterator]());
+var sproto = Object.getPrototypeOf((new Set())[Symbol.iterator]());
+assertEq(aproto !== mproto, true);
+assertEq(aproto !== sproto, true);
+assertEq(mproto !== sproto, true);
+assertEq(aproto.next !== mproto.next, true);
+assertEq(aproto.next !== sproto.next, true);
+assertEq(mproto.next !== sproto.next, true);