Object-defineProperty-03.js

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// defineProperty can set array elements

var g = newGlobal({newCompartment: true});

g.a = g.Array(0, 1, 2);

var dbg = new Debugger;

var gw = dbg.addDebuggee(g);

var aw = gw.getOwnPropertyDescriptor("a").value;

aw.defineProperty(0, {value: 'ok0'});  // by number

assertEq(g.a[0], 'ok0');

var desc = g.Object.getOwnPropertyDescriptor(g.a, "0");

assertEq(desc.configurable, true);

assertEq(desc.enumerable, true);

assertEq(desc.writable, true);

aw.defineProperty("1", {value: 'ok1'});  // by string

assertEq(g.a[1], 'ok1');

desc = g.Object.getOwnPropertyDescriptor(g.a, "1");

assertEq(desc.configurable, true);

assertEq(desc.enumerable, true);

assertEq(desc.writable, true);