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

---
 .../jit-test/tests/for-of/array-iterator-proxy.js  | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 js/src/jit-test/tests/for-of/array-iterator-proxy.js

(limited to 'js/src/jit-test/tests/for-of/array-iterator-proxy.js')

diff --git a/js/src/jit-test/tests/for-of/array-iterator-proxy.js b/js/src/jit-test/tests/for-of/array-iterator-proxy.js
new file mode 100644
index 000000000..f410b5fc6
--- /dev/null
+++ b/js/src/jit-test/tests/for-of/array-iterator-proxy.js
@@ -0,0 +1,47 @@
+// An array iterator for a proxy calls the traps in a predictable order.
+
+load(libdir + "asserts.js");
+load(libdir + "iteration.js");
+
+var s = '';
+
+var handler = {
+    get: function (recipient, name) {
+        if (name == 'length') {
+            s += 'L';
+            return 2;
+        } else {
+            s += name;
+            return name;
+        }
+    }
+};
+
+var it = Array.prototype[Symbol.iterator].call(new Proxy([0, 1], handler));
+
+assertIteratorNext(it, "0");
+s += ' ';
+assertIteratorNext(it, "1");
+s += ' ';
+assertIteratorDone(it, undefined);
+assertEq(s, "L0 L1 L");
+
+s = '';
+var ki = Array.prototype.keys.call(new Proxy([0, 1], handler));
+
+assertIteratorNext(ki, 0);
+s += ' ';
+assertIteratorNext(ki, 1);
+s += ' ';
+assertIteratorDone(ki, undefined);
+assertEq(s, "L L L");
+
+s = '';
+var ei = Array.prototype.entries.call(new Proxy([0, 1], handler));
+
+assertIteratorNext(ei, [0, "0"]);
+s += ' ';
+assertIteratorNext(ei, [1, "1"]);
+s += ' ';
+assertIteratorDone(ei, undefined);
+assertEq(s, "L0 L1 L");
-- 
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