`include "../../src/beepo.v"
`timescale 100us/10ns

`define assert(signal, value) \
    if (signal !== value) begin \
        $display("ASSERTION FAILED in %m: signal != value"); \
        $finish; \
    end

module tb_adding();
    reg clk = 0;

    Beepo #(
        .FREQ(1),
        .UART_BAUD(1_000_000)
    ) bep (
        .i_clk(clk)
    );

    localparam CLK_PERIOD = 1.0;
    always #(CLK_PERIOD/2) clk=~clk;

    initial begin
        $dumpfile("build/dump.vcd");
        $dumpvars(0, tb_adding,
            bep.r_arg_regs[0], bep.r_arg_regs[1],
            bep.r_arg_regs[2], bep.r_arg_regs[3],
            bep.r_registers[1]
        );
    end

    // should probably do more granular tests
    initial #10000 begin
        `assert(bep.r_registers[1], 64'h2020202040406090);
        $display("[ADDING] All tests passed");
        $finish;
    end
endmodule