// Asking for the script of a Debugger.Object should work, even when lazy // functions are involved. // Note that we never hand out the scripts of non-debuggee functions, and // putting a compartment in debug mode automatically de-lazifies all its // functions. (This ensures that findScripts works, too.) // // So here we create a reference to a non-debuggee function, verify that we // can't access its interesting properties, make it a debuggee, and verify // that everything becomes available. // Create functions f, g in a non-debuggee compartment. var g1 = newGlobal({newCompartment: true}); g1.eval('function f() { return "from f"; }'); g1.eval('function g() { return "from g"; }'); g1.eval('this.h = f.bind(g, 42, "foo");'); // Create a debuggee compartment with CCWs referring to f and g. var g2 = newGlobal({newCompartment: true}); var dbg = new Debugger; var g2w = dbg.addDebuggee(g2); g2.f = g1.f; g2.g = g1.g; g2.h = g1.h; // At this point, g1.f should still be a lazy function. Unwrapping a D.O // referring to g2's CCW of f should yield a D.O referring to f directly. // Asking for that second D.O's script should yield null, because it's not // a debuggee. var fDO = g2w.getOwnPropertyDescriptor('f').value; assertEq(fDO.unwrap().class, "Function"); assertEq(fDO.unwrap().script, null); // Similarly for g1.g, and asking for its parameter names. var gDO = g2w.getOwnPropertyDescriptor('g').value; assertEq(gDO.unwrap().parameterNames, undefined); // Similarly for g1.h, and asking for its bound function properties. var hDO = g2w.getOwnPropertyDescriptor('h').value; assertEq(hDO.unwrap().class, "BoundFunctionObject"); assertEq(hDO.unwrap().isBoundFunction, true); assertEq(hDO.unwrap().isArrowFunction, undefined); assertEq(hDO.unwrap().boundTargetFunction, undefined); assertEq(hDO.unwrap().boundThis, undefined); assertEq(hDO.unwrap().boundArguments, undefined); // Add g1 as a debuggee, and verify that we can get everything. dbg.addDebuggee(g1); assertEq(fDO.unwrap().script instanceof Debugger.Script, true); assertEq(gDO.unwrap().parameterNames instanceof Array, true); assertEq(hDO.unwrap().isBoundFunction, true); assertEq(hDO.unwrap().isArrowFunction, undefined); assertEq(hDO.unwrap().boundTargetFunction, fDO.unwrap()); assertEq(hDO.unwrap().boundThis, gDO.unwrap()); assertEq(hDO.unwrap().boundArguments.length, 2); assertEq(hDO.unwrap().boundArguments[0], 42); assertEq(hDO.unwrap().boundArguments[1], "foo");