forked from github/verilator
70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
// -*- mode: C++; c-file-style: "cc-mode" -*-
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//
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// This file ONLY is placed into the Public Domain, for any use,
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// without warranty, 2008 by Lane Brooks.
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// SPDX-License-Identifier: CC0-1.0
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#include "Vt_tri_inout.h"
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VM_PREFIX* tb = nullptr;
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double sc_time_stamp() { return 0; }
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bool check() {
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bool pass;
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int Z;
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if (tb->SEL) {
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Z = tb->A;
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} else {
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Z = tb->B;
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}
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if (tb->Z == tb->Y1 && tb->Z == tb->Y2 && tb->Z == Z) {
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printf("PASS: ");
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pass = true;
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} else {
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printf("FAIL: ");
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pass = false;
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}
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#ifdef TEST_VERBOSE
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printf("SEL=%d A=%d B=%d Z=%d Y1=%d Y2=%d\n", tb->SEL, tb->A, tb->B, tb->Z, tb->Y1, tb->Y2);
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#endif
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return pass;
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}
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int main() {
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bool pass = true;
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Verilated::debug(0);
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tb = new VM_PREFIX{"tb"};
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// loop through every possibility and check the result
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for (tb->SEL = 0; tb->SEL < 2; tb->SEL++) {
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for (tb->A = 0; tb->A < 2; tb->A++) {
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for (tb->B = 0; tb->B < 2; tb->B++) {
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tb->eval();
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if (!check()) pass = false;
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}
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}
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}
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tb->SEL = tb->A = tb->B = 0;
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for (int i = 0; i < 256; ++i) {
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tb->clk = 0;
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tb->eval();
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tb->clk = 1;
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tb->eval();
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if (tb->done) break;
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if (i + 1 == 256) pass = false;
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}
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if (pass) {
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VL_PRINTF("*-* All Finished *-*\n");
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tb->final();
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} else {
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vl_fatal(__FILE__, __LINE__, "top", "Unexpected results from inout test\n");
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}
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VL_DO_DANGLING(delete tb, tb);
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return 0;
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}
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