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/********************* -*- C++ -*- */
/** smt_parser_black.h
** Original author: cconway
** Major contributors: none
** Minor contributors (to current version): none
** This file is part of the CVC4 prototype.
** Copyright (c) 2009 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.
**
** Black box testing of CVC4::parser::SmtParser.
**/
#include <cxxtest/TestSuite.h>
//#include <string>
#include <sstream>
#include "expr/expr.h"
#include "expr/expr_manager.h"
#include "parser/parser.h"
using namespace CVC4;
using namespace CVC4::parser;
using namespace std;
const string goodInputs[] = {
"", // empty string is OK
"(benchmark foo :assume true)",
"(benchmark bar :formula true)",
"(benchmark qux :formula false)",
"(benchmark baz :extrapreds ( (a) (b) ) )",
"(benchmark zab :extrapreds ( (a) (b) ) :formula (implies (and (implies a b) a) b))",
";; nothing but a comment",
"; a comment\n)(benchmark foo ; hello\n :formula true; goodbye\n)"
};
/* The following expressions are good in a context where a, b, and c have been declared as BOOLEAN. */
const string goodBooleanExprs[] = {
"(and a b)",
"(or (and a b) c)",
"(implies (and (implies a b) a) b))",
"(and (iff a b) (not a))",
"(iff (xor a b) (and (or a b) (not (and a b))))"
};
const string badInputs[] = {
"(benchmark foo)", // empty benchmark is not OK
"(benchmark bar :assume)", // no args
"(benchmark bar :formula)",
};
/* The following expressions are bad even in a context where a, b, and c have been declared as BOOLEAN. */
const string badBooleanExprs[] = {
"",
"(and a)", // wrong arity
"(and a b", // no closing paren
"(a and b)", // infix
"(OR (AND a b) c)", // wrong case
"(a IMPLIES b)", // infix AND wrong case
"(not a b)", // wrong arity
"not a" // needs parens
};
class SmtParserBlack : public CxxTest::TestSuite {
private:
ExprManager *d_exprManager;
Parser::InputLanguage d_lang;
public:
void setUp() {
d_exprManager = new ExprManager();
d_lang = Parser::LANG_SMTLIB;
}
void testGoodInputs() {
// cout << "In testGoodInputs()\n";
for(int i = 0; i < sizeof(goodInputs); ++i) {
istringstream stream(goodInputs[i]);
Parser* smtParser = Parser::getNewParser(d_exprManager, d_lang, stream);
TS_ASSERT( !smtParser->done() );
while(!smtParser->done()) {
TS_ASSERT( smtParser->parseNextCommand() != NULL );
}
delete smtParser;
}
}
void testBadInputs() {
// cout << "In testGoodInputs()\n";
for(int i = 0; i < sizeof(badInputs); ++i) {
istringstream stream(badInputs[i]);
Parser* smtParser = Parser::getNewParser(d_exprManager, d_lang, stream);
TS_ASSERT_THROWS( smtParser->parseNextCommand(), ParserException );
delete smtParser;
}
}
void testGoodBooleanExprs() {
// cout << "In testGoodInputs()\n";
for(int i = 0; i < sizeof(goodBooleanExprs); ++i) {
istringstream stream(goodBooleanExprs[i]);
Parser* smtParser = Parser::getNewParser(d_exprManager, d_lang, stream);
TS_ASSERT( !smtParser->done() );
while(!smtParser->done()) {
TS_ASSERT( !smtParser->parseNextExpression().isNull() );
}
delete smtParser;
}
}
void testBadBooleanExprs() {
// cout << "In testGoodInputs()\n";
for(int i = 0; i < sizeof(badBooleanExprs); ++i) {
istringstream stream(badBooleanExprs[i]);
SmtParser smtParser(d_exprManager, stream);
TS_ASSERT_THROWS( smtParser.parseNextExpression(), ParserException );
}
}
};
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