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22 ES5Harness.registerTest( {
25 path: "TestCases/chapter15/15.2/15.2.3/15.2.3.3/15.2.3.3-4-53.js",
27 description: "Object.getOwnPropertyDescriptor returns data desc for functions on built-ins (Array.prototype.lastIndexOf)",
29 test: function testcase() {
30 var desc = Object.getOwnPropertyDescriptor(Array.prototype, "lastIndexOf");
31 if (desc.value === Array.prototype.lastIndexOf &&
32 desc.writable === true &&
33 desc.enumerable === false &&
34 desc.configurable === true) {
39 precondition: function prereq() {
40 return fnExists(Object.getOwnPropertyDescriptor);