Test that profiles aren't accessible before profiling started

server/monitor_test.go

@@ -4553,8 +4553,19 @@ func TestMonitorProfilez(t *testing.T) {
 	s := RunServer(DefaultOptions())
 	defer s.Shutdown()
 
+	// First of all, check that the profiles aren't accessible
+	// when profiling hasn't been started in the usual way.
+	if ps := s.profilez(&ProfilezOptions{
+		Name: "allocs", Debug: 0,
+	}); ps.Error == "" {
+		t.Fatal("Profile should not be accessible when profiling not started")
+	}
+
+	// Then start profiling.
 	s.StartProfiler()
 
+	// Now check that all of the profiles that we expect are
+	// returning instead of erroring.
 	for _, try := range []*ProfilezOptions{
 		{Name: "allocs", Debug: 0},
 		{Name: "allocs", Debug: 1},