// ****************************************************************************************
//                                  Directed Test Cases
// ****************************************************************************************

class burst_test extends uvm_test;
  `uvm_component_utils(burst_test)
 burst_env env_h;
 axi_fixed_sequence fixed_xtn;
 axi_incr_sequence incr_xtn;
 axi_wrap_sequence wrap_xtn;
 virtual apb_if vif;
  
   function new(string name="burst_test",uvm_component parent);
    super.new(name,parent);
  endfunction
  
  
  function void build_phase(uvm_phase phase);
     super.build_phase(phase);
    env_h=burst_env::type_id::create("env_h",this);
     if (!uvm_config_db#(virtual apb_if)::get(this, "", "vif", vif)) begin
      `uvm_fatal("build_phase", "No virtual interface specified for this test instance")
    end 
   uvm_config_db#(virtual apb_if)::set( this, "*", "vif", vif);
   //  `uvm_error("build_phase","top virtual interface failed")
  
  endfunction
  
  function void end_of_elaboration_phase(uvm_phase phase);
    uvm_top.print_topology();
  endfunction

   task run_phase(uvm_phase phase);
    begin 
      seq_h=apb_seq::type_id::create("seq_h");
      phase.raise_objection(this);
      fork
      fixed_seq_h.start(env_h.agent_h.seqr_h);
      #100
      incr_seq_h.start(env_h.agent_h.seqr_h);
      #200
      wrap_seq_h.start(env_h.agent_h.seqr_h);
      join
      phase.drop_objection(this);
    end
  endtask
  
  
endclass