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iverilog/ivtest/ivltests/sel_rval_part_ob.v

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// Module to test the messages for out of bound R-value part selects.
`ifdef __ICARUS__
`define SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST
`endif
module top;
reg pass;
reg big_param;
reg [1:0] part;
integer idx;
parameter pvar0 = 0;
parameter pvar1 = 1;
parameter pvar2 = -1;
parameter pvar3 = 4'b0001;
parameter [4:1] pvar4 = 4'b0001;
parameter [1:4] pvar5 = 4'b0001;
reg [4:1] rvar = 4'b1000;
reg [1:4] rvar2 = 4'b1000;
reg [4:1] ravar [2:1];
reg [1:4] ravar2 [2:1];
wire [4:1] wvar = 4'b1010;
wire [1:4] wvar2 = 4'b1010;
wire [4:1] wavar [2:1];
wire [1:4] wavar2 [2:1];
assign wavar[1] = 4'b0111;
assign wavar[2] = 4'b1110;
assign wavar2[1] = 4'b0111;
assign wavar2[2] = 4'b1110;
initial begin
pass = 1'b1;
ravar[1] = 4'b0111;
ravar[2] = 4'b1110;
ravar2[1] = 4'b0111;
ravar2[2] = 4'b1110;
#1;
// Icarus supports an unlimited size for unsized parameters. The
// following checks the 33rd bit to see if it is 1'bx. If so we
// assume that the simulator only support 32 bit, otherwise we
// modify our after check for unsized parameters to work (pass)
// with a larger constant.
big_param = 1'b1;
idx = 32;
if (pvar0[idx] === 1'bx) big_param = 1'b0;
// Check a parameter with default size equal to 0.
part = pvar0[31:30]; // At end
if (part !== 2'b00) begin
$display("Failed at end part select of a parameter (0), got %b", part);
pass = 1'b0;
end
`ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST
part = pvar0[33:32]; // May be after all
if (part !== (big_param ? 2'b00: 2'bxx)) begin
$display("Failed after part select of a parameter (0), got %b", part);
pass = 1'b0;
end
part = pvar0[32:31]; // May be partial after
if (part !== (big_param ? 2'b00 : 2'bx0)) begin
$display("Failed partial after part select of a parameter (0), got %b",
part);
pass = 1'b0;
end
part = pvar0[-1:-2]; // Before all
if (part !== 2'bxx) begin
$display("Failed before part select of a parameter (0), got %b", part);
pass = 1'b0;
end
part = pvar0[0:-1]; // Partial before
if (part !== 2'b0x) begin
$display("Failed partial before part select of a parameter (0), got %b",
part);
pass = 1'b0;
end
part = pvar0[1'bx:1]; // Undefined 1st
if (part !== 2'bxx) begin
$display("Failed undefined 1st part select of a parameter (0), got %b",
part);
pass = 1'b0;
end
part = pvar0[1:1'bx]; // Undefined 2nd
if (part !== 2'bxx) begin
$display("Failed undefined 2nd part select of a parameter (0), got %b",
part);
pass = 1'b0;
end
part = pvar0[1'bz:1]; // High-Z 1st
if (part !== 2'bxx) begin
$display("Failed high-Z 1st part select of a parameter (0), got %b",
part);
pass = 1'b0;
end
part = pvar0[1:1'bz]; // High-Z 2nd
if (part !== 2'bxx) begin
$display("Failed high-Z 2nd part select of a parameter (0), got %b",
part);
pass = 1'b0;
end
`endif
// Check a parameter with default size equal to 1.
part = pvar1[31:30]; // At end
if (part !== 2'b00) begin
$display("Failed at end part select of a parameter (1), got %b", part);
pass = 1'b0;
end
`ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST
part = pvar1[33:32]; // May be after all
if (part !== (big_param ? 2'b00: 2'bxx)) begin
$display("Failed after part select of a parameter (1), got %b", part);
pass = 1'b0;
end
part = pvar1[32:31]; // May be partial after
if (part !== (big_param ? 2'b00 : 2'bx0)) begin
$display("Failed partial after part select of a parameter (1), got %b",
part);
pass = 1'b0;
end
part = pvar1[-1:-2]; // Before all
if (part !== 2'bxx) begin
$display("Failed before part select of a parameter (1), got %b", part);
pass = 1'b0;
end
part = pvar1[0:-1]; // Partial before
if (part !== 2'b1x) begin
$display("Failed partial before part select of a parameter (1), got %b",
part);
pass = 1'b0;
end
part = pvar1[1'bx:1]; // Undefined 1st
if (part !== 2'bxx) begin
$display("Failed undefined 1st part select of a parameter (1), got %b",
part);
pass = 1'b0;
end
part = pvar1[1:1'bx]; // Undefined 2nd
if (part !== 2'bxx) begin
$display("Failed undefined 2nd part select of a parameter (1), got %b",
part);
pass = 1'b0;
end
part = pvar1[1'bz:1]; // High-Z 1st
if (part !== 2'bxx) begin
$display("Failed high-Z 1st part select of a parameter (1), got %b",
part);
pass = 1'b0;
end
part = pvar1[1:1'bz]; // High-Z 2nd
if (part !== 2'bxx) begin
$display("Failed high-Z 2nd part select of a parameter (1), got %b",
part);
pass = 1'b0;
end
`endif
// Check a parameter with default size equal to -1.
part = pvar2[31:30]; // At end
if (part !== 2'b11) begin
$display("Failed at end part select of a parameter (2), got %b", part);
pass = 1'b0;
end
`ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST
part = pvar2[33:32]; // May be after all
if (part !== (big_param ? 2'b11: 2'bxx)) begin
$display("Failed after part select of a parameter (2), got %b", part);
pass = 1'b0;
end
part = pvar2[32:31]; // May be partial after
if (part !== (big_param ? 2'b11 : 2'bx1)) begin
$display("Failed partial after part select of a parameter (2), got %b",
part);
pass = 1'b0;
end
part = pvar2[-1:-2]; // Before all
if (part !== 2'bxx) begin
$display("Failed before part select of a parameter (2), got %b", part);
pass = 1'b0;
end
part = pvar2[0:-1]; // Partial before
if (part !== 2'b1x) begin
$display("Failed partial before part select of a parameter (2), got %b",
part);
pass = 1'b0;
end
part = pvar2[1'bx:1]; // Undefined 1st
if (part !== 2'bxx) begin
$display("Failed undefined 1st part select of a parameter (2), got %b",
part);
pass = 1'b0;
end
part = pvar2[1:1'bx]; // Undefined 2nd
if (part !== 2'bxx) begin
$display("Failed undefined 2nd part select of a parameter (2), got %b",
part);
pass = 1'b0;
end
part = pvar2[1'bz:1]; // High-Z 1st
if (part !== 2'bxx) begin
$display("Failed high-Z 1st part select of a parameter (2), got %b",
part);
pass = 1'b0;
end
part = pvar2[1:1'bz]; // High-Z 2nd
if (part !== 2'bxx) begin
$display("Failed high-Z 2nd part select of a parameter (2), got %b",
part);
pass = 1'b0;
end
`endif
// Check a parameter with size four from the value.
`ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST
part = pvar3[5:4]; // After all
if (part !== 2'bxx) begin
$display("Failed after part select of a parameter (3), got %b", part);
pass = 1'b0;
end
part = pvar3[4:3]; // Partial after
if (part !== 2'bx0) begin
$display("Failed partial after part select of a parameter (3), got %b",
part);
pass = 1'b0;
end
part = pvar3[-1:-2]; // Before all
if (part !== 2'bxx) begin
$display("Failed before part select of a parameter (3), got %b", part);
pass = 1'b0;
end
part = pvar3[0:-1]; // Partial before
if (part !== 2'b1x) begin
$display("Failed partial before part select of a parameter (3), got %b",
part);
pass = 1'b0;
end
part = pvar3[1'bx:1]; // Undefined 1st
if (part !== 2'bxx) begin
$display("Failed undefined 1st part select of a parameter (3), got %b",
part);
pass = 1'b0;
end
part = pvar3[1:1'bx]; // Undefined 2nd
if (part !== 2'bxx) begin
$display("Failed undefined 2nd part select of a parameter (3), got %b",
part);
pass = 1'b0;
end
part = pvar3[1'bz:1]; // High-Z 1st
if (part !== 2'bxx) begin
$display("Failed high-Z 1st part select of a parameter (3), got %b",
part);
pass = 1'b0;
end
part = pvar3[1:1'bz]; // High-Z 2nd
if (part !== 2'bxx) begin
$display("Failed high-Z 2nd part select of a parameter (3), got %b",
part);
pass = 1'b0;
end
`endif
// Check a parameter with size four from the range [4:1].
`ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST
part = pvar4[6:5]; // After all
if (part !== 2'bxx) begin
$display("Failed after part select of a parameter (4), got %b", part);
pass = 1'b0;
end
part = pvar4[5:4]; // Partial after
if (part !== 2'bx0) begin
$display("Failed partial after part select of a parameter (4), got %b",
part);
pass = 1'b0;
end
part = pvar4[0:-1]; // Before all
if (part !== 2'bxx) begin
$display("Failed before part select of a parameter (4), got %b", part);
pass = 1'b0;
end
part = pvar4[1:0]; // Partial before
if (part !== 2'b1x) begin
$display("Failed partial before part select of a parameter (4), got %b",
part);
pass = 1'b0;
end
part = pvar4[1'bx:1]; // Undefined 1st
if (part !== 2'bxx) begin
$display("Failed undefined 1st part select of a parameter (4), got %b",
part);
pass = 1'b0;
end
part = pvar4[1:1'bx]; // Undefined 2nd
if (part !== 2'bxx) begin
$display("Failed undefined 2nd part select of a parameter (4), got %b",
part);
pass = 1'b0;
end
part = pvar4[1'bz:1]; // High-Z 1st
if (part !== 2'bxx) begin
$display("Failed high-Z 1st part select of a parameter (4), got %b",
part);
pass = 1'b0;
end
part = pvar4[1:1'bz]; // High-Z 2nd
if (part !== 2'bxx) begin
$display("Failed high-Z 2nd part select of a parameter (4), got %b",
part);
pass = 1'b0;
end
`endif
// Check a parameter with size four from the range [1:4].
`ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST
part = pvar5[-1:0]; // After all
if (part !== 2'bxx) begin
$display("Failed after part select of a parameter (5), got %b", part);
pass = 1'b0;
end
part = pvar5[0:1]; // Partial after
if (part !== 2'bx0) begin
$display("Failed partial after part select of a parameter (5), got %b",
part);
pass = 1'b0;
end
part = pvar5[5:6]; // Before all
if (part !== 2'bxx) begin
$display("Failed before part select of a parameter (5), got %b", part);
pass = 1'b0;
end
part = pvar5[4:5]; // Partial before
if (part !== 2'b1x) begin
$display("Failed partial before part select of a parameter (5), got %b",
part);
pass = 1'b0;
end
part = pvar5[1'bx:1]; // Undefined 1st
if (part !== 2'bxx) begin
$display("Failed undefined 1st part select of a parameter (5), got %b",
part);
pass = 1'b0;
end
part = pvar5[1:1'bx]; // Undefined 2nd
if (part !== 2'bxx) begin
$display("Failed undefined 2nd part select of a parameter (5), got %b",
part);
pass = 1'b0;
end
part = pvar5[1'bz:1]; // High-Z 1st
if (part !== 2'bxx) begin
$display("Failed high-Z 1st part select of a parameter (5), got %b",
part);
pass = 1'b0;
end
part = pvar5[1:1'bz]; // High-Z 2nd
if (part !== 2'bxx) begin
$display("Failed high-Z 2nd part select of a parameter (5), got %b",
part);
pass = 1'b0;
end
`endif
// Check a register with range [4:1].
`ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST
part = rvar[6:5]; // After all
if (part !== 2'bxx) begin
$display("Failed after part select of a register, got %b", part);
pass = 1'b0;
end
part = rvar[5:4]; // Partial after
if (part !== 2'bx1) begin
$display("Failed partial after part select of a register, got %b", part);
pass = 1'b0;
end
part = rvar[0:-1]; // Before all
if (part !== 2'bxx) begin
$display("Failed before part select of a register, got %b", part);
pass = 1'b0;
end
part = rvar[1:0]; // Partial before
if (part !== 2'b0x) begin
$display("Failed partial before part select of a register, got %b", part);
pass = 1'b0;
end
part = rvar[1'bx:1]; // Undefined 1st
if (part !== 2'bxx) begin
$display("Failed undefined 1st part select of a register, got %b", part);
pass = 1'b0;
end
part = rvar[1:1'bx]; // Undefined 2nd
if (part !== 2'bxx) begin
$display("Failed undefined 2nd part select of a register, got %b", part);
pass = 1'b0;
end
part = rvar[1'bz:1]; // High-Z 1st
if (part !== 2'bxx) begin
$display("Failed high-Z 1st part select of a register, got %b", part);
pass = 1'b0;
end
part = rvar[1:1'bz]; // High-Z 2nd
if (part !== 2'bxx) begin
$display("Failed high-Z 2nd part select of a register, got %b", part);
pass = 1'b0;
end
`endif
// Check a register with range [1:4].
`ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST
part = rvar2[-1:0]; // After all
if (part !== 2'bxx) begin
$display("Failed after part select of a register (2), got %b", part);
pass = 1'b0;
end
part = rvar2[0:1]; // Partial after
if (part !== 2'bx1) begin
$display("Failed partial after part select of a register (2), got %b",
part);
pass = 1'b0;
end
part = rvar2[5:6]; // Before all
if (part !== 2'bxx) begin
$display("Failed before part select of a register (2), got %b", part);
pass = 1'b0;
end
part = rvar2[4:5]; // Partial before
if (part !== 2'b0x) begin
$display("Failed partial before part select of a register (2), got %b",
part);
pass = 1'b0;
end
part = rvar2[1'bx:1]; // Undefined 1st
if (part !== 2'bxx) begin
$display("Failed undefined 1st part select of a register (2), got %b",
part);
pass = 1'b0;
end
part = rvar2[1:1'bx]; // Undefined 2nd
if (part !== 2'bxx) begin
$display("Failed undefined 2nd part select of a register (2), got %b",
part);
pass = 1'b0;
end
part = rvar2[1'bz:1]; // High-Z 1st
if (part !== 2'bxx) begin
$display("Failed high-Z 1st part select of a register (2), got %b", part);
pass = 1'b0;
end
part = rvar2[1:1'bz]; // High-Z 2nd
if (part !== 2'bxx) begin
$display("Failed high-Z 2nd part select of a register (2), got %b", part);
pass = 1'b0;
end
`endif
// Check an array word with range [4:1].
`ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST
part = ravar[1][6:5]; // After all
if (part !== 2'bxx) begin
$display("Failed after part select of an array word, got %b", part);
pass = 1'b0;
end
part = ravar[1][5:4]; // Partial after
if (part !== 2'bx0) begin
$display("Failed partial after part select of an array word, got %b",
part);
pass = 1'b0;
end
part = ravar[1][0:-1]; // Before all
if (part !== 2'bxx) begin
$display("Failed before part select of an array word, got %b", part);
pass = 1'b0;
end
part = ravar[1][1:0]; // Partial before
if (part !== 2'b1x) begin
$display("Failed partial before part select of an array word, got %b",
part);
pass = 1'b0;
end
part = ravar[1][1'bx:1]; // Undefined 1st
if (part !== 2'bxx) begin
$display("Failed undefined 1st part select of an array word, got %b",
part);
pass = 1'b0;
end
part = ravar[1][1:1'bx]; // Undefined 2nd
if (part !== 2'bxx) begin
$display("Failed undefined 2nd part select of an array word, got %b",
part);
pass = 1'b0;
end
part = ravar[1][1'bz:1]; // High-Z 1st
if (part !== 2'bxx) begin
$display("Failed high-Z 1st part select of an array word, got %b", part);
pass = 1'b0;
end
part = ravar[1][1:1'bz]; // High-Z 2nd
if (part !== 2'bxx) begin
$display("Failed high-Z 2nd part select of an array word, got %b", part);
pass = 1'b0;
end
`endif
// Check an array word with range [1:4].
`ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST
part = ravar2[1][-1:0]; // After all
if (part !== 2'bxx) begin
$display("Failed after part select of an array word (2), got %b", part);
pass = 1'b0;
end
part = ravar2[1][0:1]; // Partial after
if (part !== 2'bx0) begin
$display("Failed partial after part select of an array word (2), got %b",
part);
pass = 1'b0;
end
part = ravar2[1][5:6]; // Before all
if (part !== 2'bxx) begin
$display("Failed before part select of an array word (2), got %b", part);
pass = 1'b0;
end
part = ravar2[1][4:5]; // Partial before
if (part !== 2'b1x) begin
$display("Failed partial before part select of an array word (2), got %b",
part);
pass = 1'b0;
end
part = ravar2[1][1'bx:1]; // Undefined 1st
if (part !== 2'bxx) begin
$display("Failed undefined 1st part select of an array word (2), got %b",
part);
pass = 1'b0;
end
part = ravar2[1][1:1'bx]; // Undefined 2nd
if (part !== 2'bxx) begin
$display("Failed undefined 2nd part select of an array word (2), got %b",
part);
pass = 1'b0;
end
part = ravar2[1][1'bz:1]; // High-Z 1st
if (part !== 2'bxx) begin
$display("Failed high-Z 1st part select of an array word (2), got %b",
part);
pass = 1'b0;
end
part = ravar2[1][1:1'bz]; // High-Z 2nd
if (part !== 2'bxx) begin
$display("Failed high-Z 2nd part select of an array word (2), got %b",
part);
pass = 1'b0;
end
`endif
// Check a wire with range [4:1].
`ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST
part = wvar[6:5]; // After all
if (part !== 2'bxx) begin
$display("Failed after part select of a wire, got %b", part);
pass = 1'b0;
end
part = wvar[5:4]; // Partial after
if (part !== 2'bx1) begin
$display("Failed partial after part select of a wire, got %b", part);
pass = 1'b0;
end
part = wvar[0:-1]; // Before all
if (part !== 2'bxx) begin
$display("Failed before part select of a wire, got %b", part);
pass = 1'b0;
end
part = wvar[1:0]; // Partial before
if (part !== 2'b0x) begin
$display("Failed partial before part select of a wire, got %b", part);
pass = 1'b0;
end
part = wvar[1'bx:1]; // Undefined 1st
if (part !== 2'bxx) begin
$display("Failed undefined 1st part select of a wire, got %b", part);
pass = 1'b0;
end
part = wvar[1:1'bx]; // Undefined 2nd
if (part !== 2'bxx) begin
$display("Failed undefined 2nd part select of a wire, got %b", part);
pass = 1'b0;
end
part = wvar[1'bz:1]; // High-Z 1st
if (part !== 2'bxx) begin
$display("Failed high-Z 1st part select of a wire, got %b", part);
pass = 1'b0;
end
part = wvar[1:1'bz]; // High-Z 2nd
if (part !== 2'bxx) begin
$display("Failed high-Z 2nd part select of a wire, got %b", part);
pass = 1'b0;
end
`endif
// Check a wire with range [1:4].
`ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST
part = wvar2[-1:0]; // After all
if (part !== 2'bxx) begin
$display("Failed after part select of a wire (2), got %b", part);
pass = 1'b0;
end
part = wvar2[0:1]; // Partial after
if (part !== 2'bx1) begin
$display("Failed partial after part select of a wire (2), got %b", part);
pass = 1'b0;
end
part = wvar2[5:6]; // Before all
if (part !== 2'bxx) begin
$display("Failed before part select of a wire (2), got %b", part);
pass = 1'b0;
end
part = wvar2[4:5]; // Partial before
if (part !== 2'b0x) begin
$display("Failed partial before part select of a wire (2), got %b", part);
pass = 1'b0;
end
part = wvar2[1'bx:1]; // Undefined 1st
if (part !== 2'bxx) begin
$display("Failed undefined 1st part select of a wire (2), got %b", part);
pass = 1'b0;
end
part = wvar2[1:1'bx]; // Undefined 2nd
if (part !== 2'bxx) begin
$display("Failed undefined 2nd part select of a wire (2), got %b", part);
pass = 1'b0;
end
part = wvar2[1'bz:1]; // High-Z 1st
if (part !== 2'bxx) begin
$display("Failed high-Z 1st part select of a wire (2), got %b", part);
pass = 1'b0;
end
part = wvar2[1:1'bz]; // High-Z 2nd
if (part !== 2'bxx) begin
$display("Failed high-Z 2nd part select of a wire (2), got %b", part);
pass = 1'b0;
end
`endif
// Check a wire array word with range [4:1].
`ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST
part = wavar[1][6:5]; // After all
if (part !== 2'bxx) begin
$display("Failed after part select of a wire array word, got %b", part);
pass = 1'b0;
end
part = wavar[1][5:4]; // Partial after
if (part !== 2'bx0) begin
$display("Failed partial after part select of a wire array word, got %b",
part);
pass = 1'b0;
end
part = wavar[1][0:-1]; // Before all
if (part !== 2'bxx) begin
$display("Failed before part select of a wire array word, got %b", part);
pass = 1'b0;
end
part = wavar[1][1:0]; // Partial before
if (part !== 2'b1x) begin
$display("Failed partial before part select of a wire array word, got %b",
part);
pass = 1'b0;
end
part = wavar[1][1'bx:1]; // Undefined 1st
if (part !== 2'bxx) begin
$display("Failed undefined 1st part select of a wire array word, got %b",
part);
pass = 1'b0;
end
part = wavar[1][1:1'bx]; // Undefined 2nd
if (part !== 2'bxx) begin
$display("Failed undefined 2nd part select of a wire array word, got %b",
part);
pass = 1'b0;
end
part = wavar[1][1'bz:1]; // High-Z 1st
if (part !== 2'bxx) begin
$display("Failed high-Z 1st part select of a wire array word, got %b",
part);
pass = 1'b0;
end
part = wavar[1][1:1'bz]; // High-Z 2nd
if (part !== 2'bxx) begin
$display("Failed high-Z 2nd part select of a wire array word, got %b",
part);
pass = 1'b0;
end
`endif
// Check a wire array word with range [1:4].
`ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST
part = wavar2[1][-1:0]; // After all
if (part !== 2'bxx) begin
$display("Failed after part select of a wire array word (2), got %b",
part);
pass = 1'b0;
end
part = wavar2[1][0:1]; // Partial after
if (part !== 2'bx0) begin
$display("Failed partial after part select of a wire array word (2),",
" got %b", part);
pass = 1'b0;
end
part = wavar2[1][5:6]; // Before all
if (part !== 2'bxx) begin
$display("Failed before part select of a wire array word (2), got %b",
part);
pass = 1'b0;
end
part = wavar2[1][4:5]; // Partial before
if (part !== 2'b1x) begin
$display("Failed partial before part select of a wire array word (2),",
" got %b", part);
pass = 1'b0;
end
part = wavar2[1][1'bx:1]; // Undefined 1st
if (part !== 2'bxx) begin
$display("Failed undefined 1st part select of a wire array word (2),",
" got %b", part);
pass = 1'b0;
end
part = wavar2[1][1:1'bx]; // Undefined 2nd
if (part !== 2'bxx) begin
$display("Failed undefined 2nd part select of a wire array word (2),",
" got %b", part);
pass = 1'b0;
end
part = wavar2[1][1'bz:1]; // High-Z 1st
if (part !== 2'bxx) begin
$display("Failed high-Z 1st part select of a wire array word (2), got %b",
part);
pass = 1'b0;
end
part = wavar2[1][1:1'bz]; // High-Z 2nd
if (part !== 2'bxx) begin
$display("Failed high-Z 2nd part select of a wire array word (2), got %b",
part);
pass = 1'b0;
end
`endif
if (pass) $display("PASSED");
end
endmodule
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