michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:  http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: /**
michael@0:  * Tests that the exit frame packets get the correct `why` value.
michael@0:  */
michael@0: 
michael@0: var gDebuggee;
michael@0: var gClient;
michael@0: var gTraceClient;
michael@0: 
michael@0: function run_test()
michael@0: {
michael@0:   initTestTracerServer();
michael@0:   gDebuggee = addTestGlobal("test-tracer-actor");
michael@0:   gClient = new DebuggerClient(DebuggerServer.connectPipe());
michael@0:   gClient.connect(function() {
michael@0:     attachTestTab(gClient, "test-tracer-actor", function(aResponse, aTabClient) {
michael@0:       gClient.attachTracer(aResponse.traceActor, function(aResponse, aTraceClient) {
michael@0:         gTraceClient = aTraceClient;
michael@0:         test_exit_frame_whys();
michael@0:       });
michael@0:     });
michael@0:   });
michael@0:   do_test_pending();
michael@0: }
michael@0: 
michael@0: function test_exit_frame_whys()
michael@0: {
michael@0:   gClient.addListener("traces", (aEvent, { traces }) => {
michael@0:     for (let t of traces) {
michael@0:       if (t.type == "exitedFrame") {
michael@0:         check_trace(t);
michael@0:       }
michael@0:     }
michael@0:   });
michael@0: 
michael@0:   start_trace()
michael@0:     .then(eval_code)
michael@0:     .then(stop_trace)
michael@0:     .then(function() {
michael@0:       finishClient(gClient);
michael@0:     }).then(null, error => {
michael@0:       do_check_true(false, "Should not get an error, got: " + error);
michael@0:     });
michael@0: }
michael@0: 
michael@0: function start_trace()
michael@0: {
michael@0:   let deferred = promise.defer();
michael@0:   gTraceClient.startTrace(["name"], null, function() { deferred.resolve(); });
michael@0:   return deferred.promise;
michael@0: }
michael@0: 
michael@0: function eval_code()
michael@0: {
michael@0:   gDebuggee.eval("(" + function() {
michael@0:     function thrower() {
michael@0:       throw new Error();
michael@0:     }
michael@0: 
michael@0:     function* yielder() {
michael@0:       yield 1;
michael@0:     }
michael@0: 
michael@0:     function returner() {
michael@0:       return 1;
michael@0:     }
michael@0: 
michael@0:     try {
michael@0:       thrower();
michael@0:     } catch(e) {}
michael@0: 
michael@0:     // XXX bug 923729: Can't test yielding yet.
michael@0:     // for (let x of yielder()) {
michael@0:     //   break;
michael@0:     // }
michael@0: 
michael@0:     returner();
michael@0:   } + ")()");
michael@0: }
michael@0: 
michael@0: function stop_trace()
michael@0: {
michael@0:   let deferred = promise.defer();
michael@0:   gTraceClient.stopTrace(null, function() { deferred.resolve(); });
michael@0:   return deferred.promise;
michael@0: }
michael@0: 
michael@0: function check_trace(aEvent, { sequence, why })
michael@0: {
michael@0:   switch(sequence) {
michael@0:   case 3:
michael@0:     do_check_eq(why, "throw");
michael@0:     break;
michael@0:   case 5:
michael@0:     do_check_eq(why, "return");
michael@0:     break;
michael@0:   }
michael@0: }