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// Test class instantiates the environment and starts it.
class base_test extends uvm_test;
`uvm_component_utils(base_test)
function new(string name = "base_test", uvm_component parent = null);
super.new(name, parent);
endfunction
env e0;
gen_item_seq seq;
virtual des_if vif;
virtual function void build_phase(uvm_phase phase);
super.build_phase(phase);
// Create the environment
e0 = env::type_id::create("e0", this);
// Get virtual IF handle from top level and pass it to everything
// in env level
if (!uvm_config_db#(virtual des_if)::get(this, "", "des_vif", vif))
`uvm_fatal("TEST", "Did not get vif")
uvm_config_db#(virtual des_if)::set(this, "e0.a0.*", "des_vif", vif);
// Create sequence and randomize it
seq = gen_item_seq::type_id::create("seq");
if (!seq.randomize()) `uvm_fatal("TEST", "Failed to randomize sequence")
endfunction
virtual task run_phase(uvm_phase phase);
phase.raise_objection(this);
apply_reset();
seq.start(e0.a0.s0);
#200;
`uvm_info("TEST_DONE", "Sequence detector test completed", UVM_LOW)
phase.drop_objection(this);
endtask
virtual task apply_reset();
vif.reset <= 1'b1;
vif.inp <= 0;
repeat (5) @(posedge vif.clk);
vif.reset <= 0;
repeat (10) @(posedge vif.clk);
endtask
endclass
class test_both_patterns extends base_test;
`uvm_component_utils(test_both_patterns)
function new(string name = "test_both_patterns", uvm_component parent = null);
super.new(name, parent);
endfunction
virtual function void build_phase(uvm_phase phase);
super.build_phase(phase);
if (!seq.randomize() with {num inside {[520 : 620]};})
`uvm_fatal("TEST", "Failed to randomize sequence length")
endfunction
endclass
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