diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/Expressions/11.1.5-01.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/Expressions/11.1.5-01.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 520696;
+var summary =
+  'Implement support for string literals as names for properties defined ' +
+  'using ES5 get/set syntax';
+
+print(BUGNUMBER + ": " + summary);
+
+
+var o;
+
+o = { get "a b c"() { return 17; } };
+assertEq("get" in Object.getOwnPropertyDescriptor(o, "a b c"), true);
+
+o = eval('({ get "a b c"() { return 17; } })');
+assertEq("get" in Object.getOwnPropertyDescriptor(o, "a b c"), true);
+
+var f = eval("(function literalInside() { return { set 'c d e'(q) { } }; })");
+f = function literalInside() { return { set 'c d e'(q) { } }; };
+
+function checkO()
+{
+  assertEq(3.141592654 in o, true, "fractional-named property isn't in object");
+  assertEq(10000 in o, true, "exponential-named property is in object");
+  assertEq(0xdeadbeef in o, true, "hex-named property is in object");
+  assertEq("Infinity" in o, true, "numeric index stringified correctly");
+}
+
+o = eval('({ 3.141592654: "pi", 1e4: 17, 0xdeadbeef: "hex", 1e3000: "Infinity" })');
+checkO();
+o = { 3.141592654: "pi", 1e4: 17, 0xdeadbeef: "hex", 1e3000: "Infinity" };
+checkO();
+
+reportCompare(true, true);