// ==============================================
// IPv4 Header Parser Golden Test Vectors
// Generated by: python3 generate_golden.py
// ==============================================

localparam NUM_TESTS = 25;

// Test data
reg [159:0] tb_header [0:24];
reg         exp_valid [0:24];
reg [15:0]  exp_total_length [0:24];
reg [7:0]   exp_ttl [0:24];
reg [7:0]   exp_protocol [0:24];
reg [31:0]  exp_src_ip [0:24];
reg [31:0]  exp_dst_ip [0:24];

initial begin
    // Test 0: valid_tcp
    tb_header[0] = 160'h450000280000000040060000c0a801010a000001;
    exp_valid[0] = 1'b1;
    exp_total_length[0] = 16'd40;
    exp_ttl[0] = 8'd64;
    exp_protocol[0] = 8'd6;
    exp_src_ip[0] = 32'hc0a80101;
    exp_dst_ip[0] = 32'h0a000001;

    // Test 1: valid_udp
    tb_header[1] = 160'h4500003c00000000801100000808080801010101;
    exp_valid[1] = 1'b1;
    exp_total_length[1] = 16'd60;
    exp_ttl[1] = 8'd128;
    exp_protocol[1] = 8'd17;
    exp_src_ip[1] = 32'h08080808;
    exp_dst_ip[1] = 32'h01010101;

    // Test 2: valid_icmp
    tb_header[2] = 160'h4500005400000000ff010000ac100001ac100002;
    exp_valid[2] = 1'b1;
    exp_total_length[2] = 16'd84;
    exp_ttl[2] = 8'd255;
    exp_protocol[2] = 8'd1;
    exp_src_ip[2] = 32'hac100001;
    exp_dst_ip[2] = 32'hac100002;

    // Test 3: invalid_version
    tb_header[3] = 160'h650000280000000040060000c0a801010a000001;
    exp_valid[3] = 1'b0;
    exp_total_length[3] = 16'd40;
    exp_ttl[3] = 8'd64;
    exp_protocol[3] = 8'd6;
    exp_src_ip[3] = 32'hc0a80101;
    exp_dst_ip[3] = 32'h0a000001;

    // Test 4: invalid_ihl_6
    tb_header[4] = 160'h4600002c0000000040060000c0a801010a000001;
    exp_valid[4] = 1'b0;
    exp_total_length[4] = 16'd44;
    exp_ttl[4] = 8'd64;
    exp_protocol[4] = 8'd6;
    exp_src_ip[4] = 32'hc0a80101;
    exp_dst_ip[4] = 32'h0a000001;

    // Test 5: invalid_ihl_4
    tb_header[5] = 160'h440000280000000040060000c0a801010a000001;
    exp_valid[5] = 1'b0;
    exp_total_length[5] = 16'd40;
    exp_ttl[5] = 8'd64;
    exp_protocol[5] = 8'd6;
    exp_src_ip[5] = 32'hc0a80101;
    exp_dst_ip[5] = 32'h0a000001;

    // Test 6: ttl_one
    tb_header[6] = 160'h450000280000000001060000c0a801010a000001;
    exp_valid[6] = 1'b1;
    exp_total_length[6] = 16'd40;
    exp_ttl[6] = 8'd1;
    exp_protocol[6] = 8'd6;
    exp_src_ip[6] = 32'hc0a80101;
    exp_dst_ip[6] = 32'h0a000001;

    // Test 7: ttl_zero
    tb_header[7] = 160'h450000280000000000060000c0a801010a000001;
    exp_valid[7] = 1'b1;
    exp_total_length[7] = 16'd40;
    exp_ttl[7] = 8'd0;
    exp_protocol[7] = 8'd6;
    exp_src_ip[7] = 32'hc0a80101;
    exp_dst_ip[7] = 32'h0a000001;

    // Test 8: max_length
    tb_header[8] = 160'h4500ffff0000000040060000c0a801010a000001;
    exp_valid[8] = 1'b1;
    exp_total_length[8] = 16'd65535;
    exp_ttl[8] = 8'd64;
    exp_protocol[8] = 8'd6;
    exp_src_ip[8] = 32'hc0a80101;
    exp_dst_ip[8] = 32'h0a000001;

    // Test 9: zero_ips
    tb_header[9] = 160'h4500001400000000400600000000000000000000;
    exp_valid[9] = 1'b1;
    exp_total_length[9] = 16'd20;
    exp_ttl[9] = 8'd64;
    exp_protocol[9] = 8'd6;
    exp_src_ip[9] = 32'h00000000;
    exp_dst_ip[9] = 32'h00000000;

    // Test 10: broadcast
    tb_header[10] = 160'h450000640000000020110000c0a80164ffffffff;
    exp_valid[10] = 1'b1;
    exp_total_length[10] = 16'd100;
    exp_ttl[10] = 8'd32;
    exp_protocol[10] = 8'd17;
    exp_src_ip[10] = 32'hc0a80164;
    exp_dst_ip[10] = 32'hffffffff;

    // Test 11: random_0
    tb_header[11] = 160'h45006abb000000000559000098bc638adf52bf3f;
    exp_valid[11] = 1'b1;
    exp_total_length[11] = 16'd27323;
    exp_ttl[11] = 8'd5;
    exp_protocol[11] = 8'd89;
    exp_src_ip[11] = 32'h98bc638a;
    exp_dst_ip[11] = 32'hdf52bf3f;

    // Test 12: random_1
    tb_header[12] = 160'h4500dfdd00000000dd110000595fb52ed3554b69;
    exp_valid[12] = 1'b1;
    exp_total_length[12] = 16'd57309;
    exp_ttl[12] = 8'd221;
    exp_protocol[12] = 8'd17;
    exp_src_ip[12] = 32'h595fb52e;
    exp_dst_ip[12] = 32'hd3554b69;

    // Test 13: random_2
    tb_header[13] = 160'h4500b8220000000027060000aea40ceaad0dd401;
    exp_valid[13] = 1'b1;
    exp_total_length[13] = 16'd47138;
    exp_ttl[13] = 8'd39;
    exp_protocol[13] = 8'd6;
    exp_src_ip[13] = 32'haea40cea;
    exp_dst_ip[13] = 32'had0dd401;

    // Test 14: random_3
    tb_header[14] = 160'h450001c900000000535900005b9232d4365dc077;
    exp_valid[14] = 1'b1;
    exp_total_length[14] = 16'd457;
    exp_ttl[14] = 8'd83;
    exp_protocol[14] = 8'd89;
    exp_src_ip[14] = 32'h5b9232d4;
    exp_dst_ip[14] = 32'h365dc077;

    // Test 15: random_4
    tb_header[15] = 160'h4500f5e100000000a859000014763dff6e5f83de;
    exp_valid[15] = 1'b1;
    exp_total_length[15] = 16'd62945;
    exp_ttl[15] = 8'd168;
    exp_protocol[15] = 8'd89;
    exp_src_ip[15] = 32'h14763dff;
    exp_dst_ip[15] = 32'h6e5f83de;

    // Test 16: random_5
    tb_header[16] = 160'h450084bf0000000042010000549a044c75b3af50;
    exp_valid[16] = 1'b1;
    exp_total_length[16] = 16'd33983;
    exp_ttl[16] = 8'd66;
    exp_protocol[16] = 8'd1;
    exp_src_ip[16] = 32'h549a044c;
    exp_dst_ip[16] = 32'h75b3af50;

    // Test 17: random_6
    tb_header[17] = 160'h450062e500000000a5010000191fe328c65b05bc;
    exp_valid[17] = 1'b1;
    exp_total_length[17] = 16'd25317;
    exp_ttl[17] = 8'd165;
    exp_protocol[17] = 8'd1;
    exp_src_ip[17] = 32'h191fe328;
    exp_dst_ip[17] = 32'hc65b05bc;

    // Test 18: random_7
    tb_header[18] = 160'h45003735000000003e2f00001f07fba6d767ba3d;
    exp_valid[18] = 1'b1;
    exp_total_length[18] = 16'd14133;
    exp_ttl[18] = 8'd62;
    exp_protocol[18] = 8'd47;
    exp_src_ip[18] = 32'h1f07fba6;
    exp_dst_ip[18] = 32'hd767ba3d;

    // Test 19: random_8
    tb_header[19] = 160'h45008e8e000000004c010000fd54ab7668535393;
    exp_valid[19] = 1'b1;
    exp_total_length[19] = 16'd36494;
    exp_ttl[19] = 8'd76;
    exp_protocol[19] = 8'd1;
    exp_src_ip[19] = 32'hfd54ab76;
    exp_dst_ip[19] = 32'h68535393;

    // Test 20: random_9
    tb_header[20] = 160'h45002683000000002e320000014b01fd5e3187cf;
    exp_valid[20] = 1'b1;
    exp_total_length[20] = 16'd9859;
    exp_ttl[20] = 8'd46;
    exp_protocol[20] = 8'd50;
    exp_src_ip[20] = 32'h014b01fd;
    exp_dst_ip[20] = 32'h5e3187cf;

    // Test 21: random_invalid_0
    tb_header[21] = 160'h06000369000000005d7c00005e0dbea95aca5b5b;
    exp_valid[21] = 1'b0;
    exp_total_length[21] = 16'd873;
    exp_ttl[21] = 8'd93;
    exp_protocol[21] = 8'd124;
    exp_src_ip[21] = 32'h5e0dbea9;
    exp_dst_ip[21] = 32'h5aca5b5b;

    // Test 22: random_invalid_1
    tb_header[22] = 160'hff00021100000000d3d50000a63d22eb63674577;
    exp_valid[22] = 1'b0;
    exp_total_length[22] = 16'd529;
    exp_ttl[22] = 8'd211;
    exp_protocol[22] = 8'd213;
    exp_src_ip[22] = 32'ha63d22eb;
    exp_dst_ip[22] = 32'h63674577;

    // Test 23: random_invalid_2
    tb_header[23] = 160'h6f00026a00000000401e000085da16ba37224fbe;
    exp_valid[23] = 1'b0;
    exp_total_length[23] = 16'd618;
    exp_ttl[23] = 8'd64;
    exp_protocol[23] = 8'd30;
    exp_src_ip[23] = 32'h85da16ba;
    exp_dst_ip[23] = 32'h37224fbe;

    // Test 24: random_invalid_3
    tb_header[24] = 160'h040003a100000000bccd00009de5879ffcf51987;
    exp_valid[24] = 1'b0;
    exp_total_length[24] = 16'd929;
    exp_ttl[24] = 8'd188;
    exp_protocol[24] = 8'd205;
    exp_src_ip[24] = 32'h9de5879f;
    exp_dst_ip[24] = 32'hfcf51987;

end