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// getOwnPropertyDescriptor works with simple data properties.
var g = newGlobal();
var dbg = Debugger(g);
var hits;
var expected;
dbg.onDebuggerStatement = function (frame) {
var args = frame.arguments;
var obj = args[0], id = args[1];
var desc = obj.getOwnPropertyDescriptor(id);
if (expected === undefined) {
assertEq(desc, undefined);
} else {
assertEq(desc instanceof Object, true);
assertEq(desc.enumerable, expected.enumerable);
assertEq(desc.configurable, expected.configurable);
assertEq(desc.hasOwnProperty("value"), true);
assertEq(desc.value, expected.value);
assertEq(desc.writable, expected.writable === undefined ? true : expected.writable);
assertEq("get" in desc, false);
assertEq("set" in desc, false);
}
hits++;
};
g.eval("function f(obj, id) { debugger; }");
function test(obj, id, desc) {
expected = desc;
hits = 0;
g.f(obj, id);
assertEq(hits, 1);
}
var obj = g.eval("({a: 1, ' ': undefined, '0': 0})");
test(obj, "a", {value: 1, enumerable: true, configurable: true});
test(obj, " ", {value: undefined, enumerable: true, configurable: true});
test(obj, "b", undefined);
test(obj, "0", {value: 0, enumerable: true, configurable: true});
test(obj, 0, {value: 0, enumerable: true, configurable: true});
var arr = g.eval("[7,,]");
test(arr, 'length', {value: 2, enumerable: false, configurable: false});
test(arr, 0, {value: 7, enumerable: true, configurable: true});
test(arr, "0", {value: 7, enumerable: true, configurable: true});
test(arr, 1, undefined);
test(arr, "1", undefined);
test(arr, 2, undefined);
test(arr, "2", undefined);
test(arr, "argelfraster", undefined);
var re = g.eval("/erwe/");
test(re, 'lastIndex', {value: 0, enumerable: false, configurable: false});
// String objects have a well-behaved resolve hook.
var str = g.eval("new String('hello world')");
test(str, 'length', {value: 11, enumerable: false, configurable: false, writable: false});
test(str, 0, {value: 'h', enumerable: true, configurable: false, writable: false});
test(str, "0", {value: 'h', enumerable: true, configurable: false, writable: false});
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