Frame-onStack-01.js (1092B)
1 // Debugger.Frame.prototype.onStack is true for frames on the stack and false for 2 // frames that have returned 3 4 var desc = Object.getOwnPropertyDescriptor(Debugger.Frame.prototype, "live"); 5 assertEq(typeof desc.get, "function"); 6 assertEq(desc.set, undefined); 7 assertEq(desc.configurable, true); 8 assertEq(desc.enumerable, false); 9 10 var loc; 11 12 var g = newGlobal({newCompartment: true}); 13 g.debuggeeGlobal = this; 14 g.eval("var hits = 0;"); 15 g.eval("(" + function () { 16 var a = []; 17 var dbg = Debugger(debuggeeGlobal); 18 dbg.onDebuggerStatement = function (frame) { 19 var loc = debuggeeGlobal.loc; 20 a[loc] = frame; 21 for (var i = 0; i < a.length; i++) { 22 assertEq(a[i] === frame, i === loc); 23 assertEq(!!(a[i] && a[i].onStack), i >= loc); 24 } 25 hits++; 26 }; 27 } + ")()"); 28 29 function f(n) { 30 loc = n; debugger; 31 if (n !== 0) { 32 f(n - 1); 33 loc = n; debugger; 34 eval("f(n - 1);"); 35 loc = n; debugger; 36 } 37 } 38 39 f(4); 40 assertEq(g.hits, 16 + 8*3 + 4*3 + 2*3 + 1*3);