Is it possible to write 2 tests in a single tb_top?

UVM
1

In UVM tb_top, I wanted to run two tests. So, I have considered as below.

//--------------------------------------------
initial begin
run_test(“test1”); // calling test1
end

initial begin
run_test(“test2”); //// calling test2
end
//---------------------------------------------

but it is throwing an error as follows

//---------------------------------------------------------------------------------
UVM_INFO @ 0: reporter [RNTST] Running test test1…

KERNEL: UVM_FATAL @ 0: reporter [TTINST] An uvm_test_top already exists via a previous call to run_test

KERNEL:

KERNEL: — UVM Report Summary —

KERNEL:

KERNEL: ** Report counts by severity

KERNEL: UVM_INFO : 1

KERNEL: UVM_WARNING : 0

KERNEL: UVM_ERROR : 0

KERNEL: UVM_FATAL : 1

KERNEL: ** Report counts by id

KERNEL: [RNTST] 1

KERNEL: [TTINST] 1

RUNTIME: Info: RUNTIME_0068 uvm_report_object.svh (292): $finish called.

//----------------------------------------------------------------------------------------

Can anyone help me how to run multiple tests in a single tb_top.

2

In reply to Manirama:

You can run only 1 test at the same time. If you want to run different functionality you can specify this in the test calling different sequences.

3

In reply to chr_sue:

Thanks for your quick response. It is a valuable input for me. I need to try it out once.