Add m-esr52 at 52.6.0

1 files changed, 14 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/collections/iterator-1.js b/js/src/jit-test/tests/collections/iterator-1.js
new file mode 100644
index 000000000..4b656b879
--- /dev/null
+++ b/js/src/jit-test/tests/collections/iterator-1.js
@@ -0,0 +1,14 @@
+// collection.iterator() returns an iterator object.
+
+load(libdir + "iteration.js");
+
+function test(obj, name) {
+    var iter = obj[Symbol.iterator]();
+    assertEq(typeof iter, "object");
+    assertEq(iter instanceof Iterator, false); // Not a legacy Iterator.
+    assertEq(iter.toString(), "[object " + obj.constructor.name + " Iterator]");
+}
+
+test([]);
+test(new Map);
+test(new Set);