Frame-onPop-03.js (892B)
1 // When an exception is propagated out of multiple frames, their onPop 2 // and onExceptionUnwind handlers are called in the correct order. 3 var g = newGlobal({newCompartment: true}); 4 g.eval("function f() { throw 'mud'; }"); 5 g.eval("function g() { f(); }"); 6 g.eval("function h() { g(); }"); 7 g.eval("function i() { h(); }"); 8 9 var dbg = new Debugger(g); 10 var log; 11 function makePopHandler(label) { 12 return function handlePop(completion) { 13 log += label; 14 assertEq(completion.throw, "mud"); 15 }; 16 } 17 dbg.onEnterFrame = function handleEnter(f) { 18 log += "(" + f.callee.name; 19 f.onPop = makePopHandler(")" + f.callee.name); 20 }; 21 dbg.onExceptionUnwind = function handleExceptionUnwind(f, x) { 22 assertEq(x, 'mud'); 23 log += "u" + f.callee.name; 24 }; 25 log = ''; 26 try { 27 g.i(); 28 } catch (x) { 29 log += 'c'; 30 assertEq(x, "mud"); 31 } 32 assertEq(log, "(i(h(g(fuf)fug)guh)hui)ic");