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`timescale 1us/1us
`include "nandgame_types.v"
module cond_check_tb;
logic [15:0] in1;
logic ltz, gtz, eqz;
logic res;
cond_check uut (
.X(in1),
.ltz(ltz),
.gtz(gtz),
.eqz(eqz),
.res(res)
);
string filename;
initial begin
`ifdef DUMP_FILE_NAME
filename=`DUMP_FILE_NAME;
`else
filename="cond_check.lin1t2";
`endif
$dumpfile(filename); $dumpvars();
end
bit exp_res;
initial begin
eqz = 0; gtz = 0; ltz = 0; in1 = 0;
#1
exp_res = 0;
assert(res == exp_res)
else $error("Expected %d, but got %d", exp_res, res);
#1
eqz = 0; gtz = 0; ltz = 1; in1 = 0;
#1
exp_res = 0;
assert(res == exp_res)
else $error("Expected %d, but got %d", exp_res, res);
#1
eqz = 0; gtz = 1; ltz = 0; in1 = 0;
#1
exp_res = 0;
assert(res == exp_res)
else $error("Expected %d, but got %d", exp_res, res);
#1
eqz = 1; gtz = 0; ltz = 0; in1 = 0;
#1
exp_res = 1;
assert(res == exp_res)
else $error("Expected %d, but got %d", exp_res, res);
#1
eqz = 0; gtz = 0; ltz = 0; in1 = 1;
#1
exp_res = 0;
assert(res == exp_res)
else $error("Expected %d, but got %d", exp_res, res);
#1
eqz = 0; gtz = 0; ltz = 1; in1 = 1;
#1
exp_res = 0;
assert(res == exp_res)
else $error("Expected %d, but got %d", exp_res, res);
#1
eqz = 0; gtz = 1; ltz = 0; in1 = 1;
#1
exp_res = 1;
assert(res == exp_res)
else $error("Expected %d, but got %d", exp_res, res);
#1
eqz = 1; gtz = 0; ltz = 0; in1 = 1;
#1
exp_res = 0;
assert(res == exp_res)
else $error("Expected %d, but got %d", exp_res, res);
#1
eqz = 0; gtz = 0; ltz = 0; in1 = -1;
#1
exp_res = 0;
assert(res == exp_res)
else $error("Expected %d, but got %d", exp_res, res);
#1
eqz = 0; gtz = 0; ltz = 1; in1 = -1;
#1
exp_res = 1;
assert(res == exp_res)
else $error("Expected %d, but got %d", exp_res, res);
#1
eqz = 0; gtz = 1; ltz = 0; in1 = -1;
#1
exp_res = 0;
assert(res == exp_res)
else $error("Expected %d, but got %d", exp_res, res);
#1
eqz = 1; gtz = 0; ltz = 0; in1 = -1;
#1
exp_res = 0;
assert(res == exp_res)
else $error("Expected %d, but got %d", exp_res, res);
#1
$finish();
end
endmodule
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