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 re-entrant startTrace/stopTrace calls on TraceActor.  Tests
michael@0:  * that stopTrace ends the most recently started trace when not
michael@0:  * provided with a name. Tests that starting a trace with the same
michael@0:  * name twice results in only one trace being collected for that name.
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_start_stop_reentrant();
michael@0:       });
michael@0:     });
michael@0:   });
michael@0:   do_test_pending();
michael@0: }
michael@0: 
michael@0: function test_start_stop_reentrant()
michael@0: {
michael@0:   do_check_true(!gTraceClient.tracing, "TraceClient should start in idle state");
michael@0: 
michael@0:   start_named_trace("foo")
michael@0:     .then(start_named_trace.bind(null, "foo"))
michael@0:     .then(start_named_trace.bind(null, "bar"))
michael@0:     .then(start_named_trace.bind(null, "baz"))
michael@0:     .then(stop_trace.bind(null, "bar", "bar"))
michael@0:     .then(stop_trace.bind(null, null, "baz"))
michael@0:     .then(stop_trace.bind(null, null, "foo"))
michael@0:     .then(function() {
michael@0:       do_check_true(!gTraceClient.tracing, "TraceClient should finish in idle state");
michael@0:       finishClient(gClient);
michael@0:     });
michael@0: }
michael@0: 
michael@0: function start_named_trace(aName)
michael@0: {
michael@0:   let deferred = promise.defer();
michael@0:   gTraceClient.startTrace([], aName, function(aResponse) {
michael@0:     do_check_true(!!gTraceClient.tracing, "TraceClient should be in tracing state");
michael@0:     do_check_true(!aResponse.error,
michael@0:                   'startTrace should not respond with error: ' + aResponse.error);
michael@0:     do_check_eq(aResponse.type, "startedTrace",
michael@0:                 'startTrace response should have "type":"startedTrace" property');
michael@0:     do_check_eq(aResponse.why, "requested",
michael@0:                 'startTrace response should have "why":"requested" property');
michael@0:     do_check_eq(aResponse.name, aName,
michael@0:                 'startTrace response should have the given name');
michael@0:     deferred.resolve();
michael@0:   });
michael@0:   return deferred.promise;
michael@0: }
michael@0: 
michael@0: function stop_trace(aName, aExpectedName)
michael@0: {
michael@0:   let deferred = promise.defer();
michael@0:   gTraceClient.stopTrace(aName, function(aResponse) {
michael@0:     do_check_true(!aResponse.error,
michael@0:                   'stopTrace should not respond with error: ' + aResponse.error);
michael@0:     do_check_true(aResponse.type === "stoppedTrace",
michael@0:                   'stopTrace response should have "type":"stoppedTrace" property');
michael@0:     do_check_true(aResponse.why === "requested",
michael@0:                   'stopTrace response should have "why":"requested" property');
michael@0:     do_check_true(aResponse.name === aExpectedName,
michael@0:                   'stopTrace response should have name "' + aExpectedName
michael@0:                   + '", but had "' + aResponse.name + '"');
michael@0:     deferred.resolve();
michael@0:   });
michael@0:   return deferred.promise;
michael@0: }