verilator/src/V3Number_test.cpp
2010-01-05 21:15:06 -05:00

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//*************************************************************************
// DESCRIPTION: Verilator: Netlist (top level) functions
//
// Code available from: http://www.veripool.org/verilator
//
// AUTHORS: Wilson Snyder with Paul Wasson, Duane Gabli
//
//*************************************************************************
//
// Copyright 2003-2010 by Wilson Snyder. This program is free software; you can
// redistribute it and/or modify it under the terms of either the GNU
// Lesser General Public License Version 3 or the Perl Artistic License
// Version 2.0.
//
// Verilator is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
//*************************************************************************
// CHEAT!
#define V3NUMBER_ASCII_BINARY
#define _V3ERROR_NO_GLOBAL_ 1
#include "V3Error.cpp"
#include "V3Number.cpp"
#include <config_build.h>
#include "verilatedos.h"
#include <cstdio>
#include <cstdarg>
#include <algorithm>
#include "V3Number.h"
void test(string lhss, string op, string rhss, string exps) {
char* l1 = strdup(lhss.c_str());
char* r1 = strdup(rhss.c_str());
char* e1 = strdup(exps.c_str());
V3Number lhnum (new FileLine ("ck",__LINE__), l1);
V3Number rhnum (new FileLine ("ck",__LINE__), r1);
V3Number expnum (new FileLine("ck",__LINE__), e1);
V3Number gotnum (new FileLine("ck",__LINE__), expnum.width());
if (op=="redOr") gotnum.opRedOr (lhnum);
else if (op=="redAnd") gotnum.opRedAnd (lhnum);
else if (op=="redXor") gotnum.opRedXor (lhnum);
else if (op=="redXnor") gotnum.opRedXnor (lhnum);
else if (op=="concat") gotnum.opConcat (lhnum,rhnum);
else if (op=="repl") gotnum.opRepl (lhnum,rhnum);
else if (op=="~") gotnum.opNot (lhnum);
else if (op=="!") gotnum.opLogNot (lhnum);
else if (op=="unaryMin") gotnum.opUnaryMin (lhnum);
else if (op=="+") gotnum.opAdd (lhnum,rhnum);
else if (op=="-") gotnum.opSub (lhnum,rhnum);
else if (op=="*") gotnum.opMul (lhnum,rhnum);
else if (op=="/") gotnum.opDiv (lhnum,rhnum);
else if (op=="%") gotnum.opModDiv (lhnum,rhnum);
else if (op=="&") gotnum.opAnd (lhnum,rhnum);
else if (op=="|") gotnum.opOr (lhnum,rhnum);
else if (op=="<") gotnum.opLt (lhnum,rhnum);
else if (op==">") gotnum.opGt (lhnum,rhnum);
else if (op==">>") gotnum.opShiftR (lhnum,rhnum);
else if (op=="<<") gotnum.opShiftL (lhnum,rhnum);
else if (op=="==") gotnum.opEq (lhnum,rhnum);
else if (op=="===") gotnum.opCaseEq (lhnum,rhnum);
else if (op=="==?") gotnum.opWildEq (lhnum,rhnum);
else if (op=="!=") gotnum.opNeq (lhnum,rhnum);
else if (op=="!==") gotnum.opCaseNeq (lhnum,rhnum);
else if (op=="!=?") gotnum.opWildNeq (lhnum,rhnum);
else if (op=="<=") gotnum.opLte (lhnum,rhnum);
else if (op==">=") gotnum.opGte (lhnum,rhnum);
else if (op=="&&") gotnum.opLogAnd (lhnum,rhnum);
else if (op=="||") gotnum.opLogOr (lhnum,rhnum);
else v3fatalSrc("Bad opcode: "<<op);
UINFO(0,"------- Test:\n"
<<" "<<lhnum<<" "<<op<<endl
<<" "<<rhnum<<endl
<<" = "<<expnum<<endl
<<" =? "<<gotnum<<endl);
V3Number ok (new FileLine("ck",__LINE__), 1);
ok.opCaseEq(expnum,gotnum);
if (ok.toUInt()!=1) {
v3fatalSrc("%Error:Test FAILED\n");
}
}
int main() {
UINFO(0,"Test starting\n");
test("32'b10","|","32'b10","32'b10");
test( "2'bx0","|", "2'b10", "2'b10");
test("32'b0x","|","32'b10","32'b1x");
test("32'b10","&","32'b11","32'b10");
test("32'b10","+","32'b10","32'b100");
test("3'b000","unaryMin","","3'b000");
test("3'b001","unaryMin","","3'b111");
test("32'b11","-","32'b001","32'b10");
test("3'b000","-","3'b111","3'b001");
test("3'b000","-","3'b000","3'b000");
test("57'h000000010F0CCE7","*","57'h10","57'h10F0CCE70");
test("57'h000000010F0CCE7","*","57'h0DE34E7FFFFFFFF","57'h02A9D57EF0F3319");
test("67'h7FFFFFFFFFFFFFFFF","*","67'h4000000003C8A8D6A","67'h3FFFFFFFFC3757296");
test("99'h7FFFFFFFFFFFFFFFFFFFFFFFF","*","99'h0000000000000000091338A80","99'h7FFFFFFFFFFFFFFFF6ECC7580");
cout<<"Test completed\n";
}
//###################################################################
// Local Variables:
// compile-command: "make V3Number_test && ./V3Number_test "
// End: