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module top;
function automatic [30:0] func;
input integer inp;
func = { // self-determined context
(
inp == 0
? -1 // causes whole ternary to be 32 bits
: func(inp - 1) // 31 bits, unsigned
) >> 2};
endfunction
function automatic signed [3:0] dunk;
input integer inp;
dunk = (
inp == 0
? 4'hF
// shouldn't make the ternary signed
: dunk(inp - 1)
) == -1;
endfunction
localparam A = func(0);
localparam B = func(1);
localparam C = func(2);
localparam D = func(3);
localparam X = dunk(0);
localparam Y = dunk(1);
initial begin
assert(A == 31'h3F_FFFFFF);
assert(B == 31'h0F_FFFFFF);
assert(C == 31'h03_FFFFFF);
assert(D == 31'h00_FFFFFF);
assert(X == 0);
assert(Y == 0);
end
initial begin
logic x;
case (1'b1)
dunk(0): x = 0;
default: x = 1;
endcase
assert(x);
end
endmodule
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