Add m-esr52 at 52.6.0

1 files changed, 18 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/for-of/proxy-2.js b/js/src/jit-test/tests/for-of/proxy-2.js
new file mode 100644
index 000000000..e0c7b116c
--- /dev/null
+++ b/js/src/jit-test/tests/for-of/proxy-2.js
@@ -0,0 +1,18 @@
+// Basic for-of test with Proxy whose iterator method is a generator.
+
+var arr = ['a', 'b', 'c', 'd'];
+var proxy = new Proxy(arr, {
+    get(target, property, receiver) {
+        if (property === Symbol.iterator) {
+            return function* () {
+                for (var i = 0; i < arr.length; i++)
+                    yield arr[i];
+            }
+        }
+
+        return Reflect.get(target, property, receiver);
+    }
+});
+
+for (var i = 0; i < 2; i++)
+    assertEq([...proxy].join(","), "a,b,c,d");