// DESCRIPTION: Verilator: Verilog Test module // // This file ONLY is placed under the Creative Commons Public Domain, for // any use, without warranty, 2019 by Wilson Snyder. // SPDX-License-Identifier: CC0-1.0 `define stop $stop `define checkh(gotv,expv) do if ((gotv) !== (expv)) begin $write("%%Error: %s:%0d: got='h%x exp='h%x\n", `__FILE__,`__LINE__, (gotv), (expv)); `stop; end while(0); `define checks(gotv,expv) do if ((gotv) !== (expv)) begin $write("%%Error: %s:%0d: got='%s' exp='%s'\n", `__FILE__,`__LINE__, (gotv), (expv)); `stop; end while(0); module t (/*AUTOARG*/); initial begin int q[5]; int qv[$]; // Value returns int qi[$]; // Index returns int i; string v; q = '{1, 2, 2, 4, 3}; v = $sformatf("%p", q); `checks(v, "'{1, 2, 2, 4, 3} "); // NOT tested: with ... selectors q.sort; v = $sformatf("%p", q); `checks(v, "'{1, 2, 2, 3, 4} "); q.sort with (item == 2); v = $sformatf("%p", q); `checks(v, "'{4, 3, 1, 2, 2} "); q.sort(x) with (x == 3); v = $sformatf("%p", q); `checks(v, "'{2, 1, 2, 4, 3} "); q.rsort; v = $sformatf("%p", q); `checks(v, "'{4, 3, 2, 2, 1} "); q.rsort with (item == 2); v = $sformatf("%p", q); `checks(v, "'{2, 2, 4, 1, 3} "); qv = q.unique; v = $sformatf("%p", qv); `checks(v, "'{2, 4, 1, 3} "); qi = q.unique_index; qi.sort; v = $sformatf("%p", qi); `checks(v, "'{0, 2, 3, 4} "); q.reverse; v = $sformatf("%p", q); `checks(v, "'{3, 1, 4, 2, 2} "); q.shuffle(); q.sort; v = $sformatf("%p", q); `checks(v, "'{1, 2, 2, 3, 4} "); // These require an with clause or are illegal // TODO add a lint check that with clause is provided qv = q.find with (item == 2); v = $sformatf("%p", qv); `checks(v, "'{2, 2} "); qv = q.find_first with (item == 2); v = $sformatf("%p", qv); `checks(v, "'{2} "); qv = q.find_last with (item == 2); v = $sformatf("%p", qv); `checks(v, "'{2} "); qv = q.find with (item == 20); v = $sformatf("%p", qv); `checks(v, "'{}"); qv = q.find_first with (item == 20); v = $sformatf("%p", qv); `checks(v, "'{}"); qv = q.find_last with (item == 20); v = $sformatf("%p", qv); `checks(v, "'{}"); qi = q.find_index with (item == 2); qi.sort; v = $sformatf("%p", qi); `checks(v, "'{1, 2} "); qi = q.find_first_index with (item == 2); v = $sformatf("%p", qi); `checks(v, "'{1} "); qi = q.find_last_index with (item == 2); v = $sformatf("%p", qi); `checks(v, "'{2} "); qi = q.find_index with (item == 20); qi.sort; v = $sformatf("%p", qi); `checks(v, "'{}"); qi = q.find_first_index with (item == 20); v = $sformatf("%p", qi); `checks(v, "'{}"); qi = q.find_last_index with (item == 20); v = $sformatf("%p", qi); `checks(v, "'{}"); qv = q.min; v = $sformatf("%p", qv); `checks(v, "'{1} "); qv = q.max; v = $sformatf("%p", qv); `checks(v, "'{4} "); // Reduction methods i = q.sum; `checkh(i, 32'hc); i = q.sum with (item + 1); `checkh(i, 32'h11); i = q.product; `checkh(i, 32'h30); i = q.product with (item + 1); `checkh(i, 32'h168); q = '{32'b1100, 32'b1010, 32'b1100, 32'b1010, 32'b1010}; i = q.and; `checkh(i, 32'b1000); i = q.and with (item + 1); `checkh(i, 32'b1001); i = q.or; `checkh(i, 32'b1110); i = q.or with (item + 1); `checkh(i, 32'b1111); i = q.xor; `checkh(i, 32'ha); i = q.xor with (item + 1); `checkh(i, 32'hb); $write("*-* All Finished *-*\n"); $finish; end endmodule