michael@0: // When an exception is propagated out of multiple frames, their onPop
michael@0: // and onExceptionUnwind handlers are called in the correct order.
michael@0: var g = newGlobal();
michael@0: g.eval("function f() { throw 'mud'; }");
michael@0: g.eval("function g() { f(); }");
michael@0: g.eval("function h() { g(); }");
michael@0: g.eval("function i() { h(); }");
michael@0: 
michael@0: var dbg = new Debugger(g);
michael@0: var log;
michael@0: function makePopHandler(label) {
michael@0:     return function handlePop(completion) { 
michael@0:         log += label;
michael@0:         assertEq(completion.throw, "mud");
michael@0:     };
michael@0: }
michael@0: dbg.onEnterFrame = function handleEnter(f) {
michael@0:     log += "(" + f.callee.name;
michael@0:     f.onPop = makePopHandler(")" + f.callee.name);  
michael@0: };
michael@0: dbg.onExceptionUnwind = function handleExceptionUnwind(f, x) {
michael@0:     assertEq(x, 'mud');
michael@0:     log += "u" + f.callee.name;
michael@0: };
michael@0: log = '';
michael@0: try {
michael@0:     g.i();
michael@0: } catch (x) {
michael@0:     log += 'c';
michael@0:     assertEq(x, "mud");
michael@0: }
michael@0: assertEq(log, "(i(h(g(fuf)fug)guh)hui)ic");