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-rw-r--r--js/src/jit-test/tests/collections/Map-iterators-3.js10
1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-iterators-3.js b/js/src/jit-test/tests/collections/Map-iterators-3.js
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index 000000000..d1aac03f8
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Map-iterators-3.js
@@ -0,0 +1,10 @@
+// A closed Map iterator does not visit new entries added after a clear().
+
+load(libdir + "iteration.js");
+
+var m = new Map();
+var it = m[Symbol.iterator]();
+assertIteratorDone(it, undefined); // close the iterator
+m.clear();
+m.set("a", 1);
+assertIteratorDone(it, undefined); // iterator still closed