From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 js/src/jit-test/tests/collections/key-equality-NaN.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 js/src/jit-test/tests/collections/key-equality-NaN.js

(limited to 'js/src/jit-test/tests/collections/key-equality-NaN.js')

diff --git a/js/src/jit-test/tests/collections/key-equality-NaN.js b/js/src/jit-test/tests/collections/key-equality-NaN.js
new file mode 100644
index 000000000..f26dc0760
--- /dev/null
+++ b/js/src/jit-test/tests/collections/key-equality-NaN.js
@@ -0,0 +1,15 @@
+// NaN is equal to itself for the purpose of key lookups.
+
+var m = new Map;
+m.set(NaN, "ok");
+assertEq(m.has(NaN), true);
+assertEq(m.get(NaN), "ok");
+assertEq(m.delete(NaN), true);
+assertEq(m.has(NaN), false);
+assertEq(m.get(NaN), undefined);
+
+var s = new Set;
+s.add(NaN);
+assertEq(s.has(NaN), true);
+assertEq(s.delete(NaN), true);
+assertEq(s.has(NaN), false);
-- 
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