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123 lines
3.9 KiB
Systemverilog
123 lines
3.9 KiB
Systemverilog
// DESCRIPTION: Verilator: Verilog Test module
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//
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// This file ONLY is placed under the Creative Commons Public Domain, for
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// any use, without warranty, 2019 by Wilson Snyder.
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// SPDX-License-Identifier: CC0-1.0
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`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);
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`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);
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`define checkg(gotv,expv) do if ((gotv) !== (expv)) begin $write("%%Error: %s:%0d: got='%g' exp='%g'\n", `__FILE__,`__LINE__, (gotv), (expv)); $stop; end while(0);
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module t (/*AUTOARG*/
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// Inputs
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clk
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);
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input clk;
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integer cyc = 0;
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integer i;
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always @ (posedge clk) begin
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cyc <= cyc + 1;
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begin
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// Type
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typedef bit [3:0] nibble_t;
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string a [nibble_t];
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string b [nibble_t];
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nibble_t k;
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string v;
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a[4'd3] = "fooed";
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a[4'd2] = "bared";
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i = a.num(); `checkh(i, 2);
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i = a.size; `checkh(i, 2); // Also checks no parens
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v = a[4'd3]; `checks(v, "fooed");
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v = a[4'd2]; `checks(v, "bared");
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i = a.exists(4'd0); `checkh(i, 0);
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i = a.exists(4'd2); `checkh(i, 1);
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i = a.first(k); `checkh(i, 1); `checks(k, 4'd2);
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i = a.next(k); `checkh(i, 1); `checks(k, 4'd3);
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i = a.next(k); `checkh(i, 0);
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i = a.last(k); `checkh(i, 1); `checks(k, 4'd3);
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i = a.prev(k); `checkh(i, 1); `checks(k, 4'd2);
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i = a.prev(k); `checkh(i, 0);
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v = $sformatf("%p", a); `checks(v, "'{'h2:\"bared\", 'h3:\"fooed\"} ");
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a.first(k); `checks(k, 4'd2);
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a.next(k); `checks(k, 4'd3);
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a.next(k);
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a.last(k); `checks(k, 4'd3);
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a.prev(k); `checks(k, 4'd2);
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a.delete(4'd2);
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i = a.size(); `checkh(i, 1);
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b = a; // Copy assignment
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i = b.size(); `checkh(i, 1);
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end
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begin
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// Strings
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string a [string];
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string k;
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string v;
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a["foo"] = "fooed";
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a["bar"] = "bared";
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i = a.num(); `checkh(i, 2);
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i = a.size(); `checkh(i, 2);
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v = a["foo"]; `checks(v, "fooed");
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v = a["bar"]; `checks(v, "bared");
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i = a.exists("baz"); `checkh(i, 0);
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i = a.exists("bar"); `checkh(i, 1);
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i = a.first(k); `checkh(i, 1); `checks(k, "bar");
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i = a.next(k); `checkh(i, 1); `checks(k, "foo");
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i = a.next(k); `checkh(i, 0);
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i = a.last(k); `checkh(i, 1); `checks(k, "foo");
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i = a.prev(k); `checkh(i, 1); `checks(k, "bar");
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i = a.prev(k); `checkh(i, 0);
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v = $sformatf("%p", a["foo"]); `checks(v, "\"fooed\"");
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v = $sformatf("%p", a); `checks(v, "'{\"bar\":\"bared\", \"foo\":\"fooed\"} ");
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a.delete("bar");
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i = a.size(); `checkh(i, 1);
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a.delete();
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i = a.size(); `checkh(i, 0);
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i = a.first(k); `checkh(i, 0);
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i = a.last(k); `checkh(i, 0);
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// Patterns & default
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a = '{ "f": "fooed", "b": "bared", default: "defaulted" };
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i = a.size(); `checkh(i, 2); // Default doesn't count
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v = a["f"]; `checks(v, "fooed");
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v = a["b"]; `checks(v, "bared");
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v = a["NEXISTS"]; `checks(v, "defaulted");
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a = '{};
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i = a.size(); `checkh(i, 0);
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end
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begin
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// Wide-wides - need special array container classes, ick.
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logic [91:2] a [ logic [65:1] ];
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a[~65'hfe] = ~ 90'hfee;
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`checkh(a[~65'hfe], ~ 90'hfee);
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end
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begin
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int a [string];
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int sum;
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sum = 0;
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a["one"] = 1;
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a["two"] = 2;
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foreach (a[i]) sum += a[i];
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`checkh(sum, 1 + 2);
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end
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$write("*-* All Finished *-*\n");
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$finish;
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end
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endmodule
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