// DESCRIPTION: Verilator: Verilog Test module // // This file ONLY is placed into the Public Domain, for any use, // without warranty, 2013 by Wilson Snyder. module t (/*AUTOARG*/); function int f( int j = 1, int s = 0 ); return (j<<16) | s; endfunction `define checkh(gotv,expv) do if ((gotv) !== (expv)) begin $write("%%Error: %s:%0d: got='h%x exp='h%x\n", `__FILE__,`__LINE__, (gotv), (expv)); $stop; end while(0); initial begin `checkh( f(.j(2), .s(1)) , 32'h2_0001 ); `checkh( f(.s(1)) , 32'h1_0001 ); `checkh( f(, 1) , 32'h1_0001 ); `checkh( f(.j(2)) , 32'h2_0000 ); `checkh( f(.s(1), .j(2)) , 32'h2_0001 ); `checkh( f(.s(), .j()) , 32'h1_0000 ); `checkh( f(2) , 32'h2_0000 ); `checkh( f() , 32'h1_0000 ); $write("*-* All Finished *-*\n"); $finish; end endmodule