Add m-esr52 at 52.6.0

1 files changed, 31 insertions, 0 deletions

diff --git a/js/src/tests/ecma_6/Proxy/regress-bug1062349.js b/js/src/tests/ecma_6/Proxy/regress-bug1062349.js
new file mode 100644
index 000000000..fe0ad3d9a
--- /dev/null
+++ b/js/src/tests/ecma_6/Proxy/regress-bug1062349.js
@@ -0,0 +1,31 @@
+// Adapted from a test case contributed by André Bargull in bug 1062349.
+
+var log = [];
+var hh = {
+    get(t, pk) {
+        log.push("trap: " + pk);
+        return t[pk];
+    }
+};
+var h = new Proxy({
+    get set() {
+        log.push("called set()");
+        Object.defineProperty(o, "prop", {value: 0});
+        log.push("o.prop:", Object.getOwnPropertyDescriptor(o, "prop"));
+    }
+}, hh);
+var p = new Proxy({}, h);
+var o = {__proto__: p};
+
+o.prop = 1;
+
+var expectedDesc = {value: 0, writable: false, enumerable: false, configurable: false};
+assertDeepEq(log, [
+    "trap: set",
+    "called set()",
+    "o.prop:",
+    expectedDesc
+]);
+assertDeepEq(Object.getOwnPropertyDescriptor(o, "prop"), expectedDesc);
+
+reportCompare(0, 0);