📄 muparsertest.cpp
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/*
Copyright (C) 2004, 2005 Ingo Berg
Permission is hereby granted, free of charge, to any person obtaining a copy of this
software and associated documentation files (the "Software"), to deal in the Software
without restriction, including without limitation the rights to use, copy, modify,
merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or
substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "muParserTest.h"
#include <cstdio>
#include <cmath>
#include <iostream>
#define PARSER_CONST_PI 3.141592653589793238462643
#define PARSER_CONST_E 2.718281828459045235360287
using namespace std;
namespace mu
{
namespace Test
{
int ParserTester::c_iCount = 0;
//---------------------------------------------------------------------------
ParserTester::ParserTester()
:m_vTestFun()
,m_stream(&std::cout)
{
AddTest(&ParserTester::TestNames);
AddTest(&ParserTester::TestSyntax);
AddTest(&ParserTester::TestPostFix);
AddTest(&ParserTester::TestInfixOprt);
AddTest(&ParserTester::TestVarConst);
AddTest(&ParserTester::TestVolatile);
AddTest(&ParserTester::TestMultiArg);
AddTest(&ParserTester::TestFormula);
AddTest(&ParserTester::TestInterface);
AddTest(&ParserTester::TestBinOprt);
AddTest(&ParserTester::TestException);
AddTest(&ParserTester::TestStrArg);
ParserTester::c_iCount = 0;
}
//---------------------------------------------------------------------------
int ParserTester::TestInterface()
{
int iStat = 0;
*m_stream << "testing member functions...";
// Test RemoveVar
value_type afVal[3] = {1,2,3};
Parser p;
try
{
p.DefineVar("a", &afVal[0]);
p.DefineVar("b", &afVal[1]);
p.DefineVar("c", &afVal[2]);
p.SetExpr("a+b+c");
p.Eval();
}
catch(...)
{
iStat += 1; // this is not supposed to happen
}
try
{
p.RemoveVar("c");
p.Eval();
iStat += 1; // not supposed to reach this, nonexisting variable "c" deleted...
}
catch(...)
{
// failure is expected...
}
if (iStat==0)
*m_stream << "passed" << endl;
else
*m_stream << "\n failed with " << iStat << " errors" << endl;
return iStat;
}
//---------------------------------------------------------------------------
int ParserTester::TestStrArg()
{
int iStat = 0;
*m_stream << "testing string arguments...";
iStat += EqnTest("valueof(\"aaa\")+valueof(\"bbb\") ", 246, true);
iStat += EqnTest("2*(valueof(\"aaa\")-23)+valueof(\"bbb\")", 323, true);
// use in expressions with variables
iStat += EqnTest("a*(atof(\"10\")-b)", 8, true);
iStat += EqnTest("a-(atof(\"10\")*b)", -19, true);
if (iStat==0)
*m_stream << "passed" << endl;
else
*m_stream << "\n failed with " << iStat << " errors" << endl;
return iStat;
}
//---------------------------------------------------------------------------
int ParserTester::TestBinOprt()
{
int iStat = 0;
*m_stream << "testing binary operators...";
// built in operators
// xor operator
iStat += EqnTest("1 xor 2", 3, true);
iStat += EqnTest("a xor b", 3, true); // with a=1 and b=2
iStat += EqnTest("1 xor 2 xor 3", 0, true);
iStat += EqnTest("a xor b xor 3", 0, true); // with a=1 and b=2
iStat += EqnTest("a xor b xor c", 0, true); // with a=1 and b=2
iStat += EqnTest("(1 xor 2) xor 3", 0, true);
iStat += EqnTest("(a xor b) xor c", 0, true); // with a=1 and b=2
iStat += EqnTest("(a) xor (b) xor c", 0, true); // with a=1 and b=2
iStat += EqnTest("1 or 2", 3, true);
iStat += EqnTest("a or b", 3, true); // with a=1 and b=2
// Assignement operator
iStat += EqnTest("a = b", 2, true);
iStat += EqnTest("a = sin(b)", 0.909297, true);
iStat += EqnTest("a = 1+sin(b)", 1.909297, true);
// Test user defined binary operators
iStat += EqnTestInt("1 | 2", 3, true);
iStat += EqnTestInt("1 || 2", 1, true);
iStat += EqnTestInt("123 & 456", 72, true);
iStat += EqnTestInt("(123 & 456) % 10", 2, true);
iStat += EqnTestInt("1 && 0", 0, true);
iStat += EqnTestInt("123 && 456", 1, true);
iStat += EqnTestInt("1 << 3", 8, true);
iStat += EqnTestInt("8 >> 3", 1, true);
iStat += EqnTestInt("10 ^ 10", 0, true);
iStat += EqnTestInt("10 * 10 ^ 99", 7, true);
iStat += EqnTestInt("9 / 4", 2, true);
iStat += EqnTestInt("9 % 4", 1, true);
iStat += EqnTestInt("if(5%2,1,0)", 1, true);
iStat += EqnTestInt("if(4%2,1,0)", 0, true);
iStat += EqnTestInt("-10+1", -9, true);
iStat += EqnTestInt("1+2*3", 7, true);
iStat += EqnTestInt("const1 != const2", 1, true);
iStat += EqnTestInt("const1 != const2", 0, false);
iStat += EqnTestInt("const1 == const2", 0, true);
iStat += EqnTestInt("const1 == 1", 1, true);
iStat += EqnTestInt("10*(const1 == 1)", 10, true);
iStat += EqnTestInt("2*(const1 | const2)", 6, true);
iStat += EqnTestInt("2*(const1 | const2)", 7, false);
iStat += EqnTestInt("const1 < const2", 1, true);
iStat += EqnTestInt("const2 > const1", 1, true);
iStat += EqnTestInt("const1 <= 1", 1, true);
iStat += EqnTestInt("const2 >= 2", 1, true);
iStat += EqnTestInt("2*(const1 + const2)", 6, true);
iStat += EqnTestInt("2*(const1 - const2)", -2, true);
iStat += EqnTestInt("a != b", 1, true);
iStat += EqnTestInt("a != b", 0, false);
iStat += EqnTestInt("a == b", 0, true);
iStat += EqnTestInt("a == 1", 1, true);
iStat += EqnTestInt("10*(a == 1)", 10, true);
iStat += EqnTestInt("2*(a | b)", 6, true);
iStat += EqnTestInt("2*(a | b)", 7, false);
iStat += EqnTestInt("a < b", 1, true);
iStat += EqnTestInt("b > a", 1, true);
iStat += EqnTestInt("a <= 1", 1, true);
iStat += EqnTestInt("b >= 2", 1, true);
iStat += EqnTestInt("2*(a + b)", 6, true);
iStat += EqnTestInt("2*(a - b)", -2, true);
iStat += EqnTestInt("a + (a << b)", 5, true);
// Test priorities
// a=1, b=2, c=3
iStat += EqnTestInt("a + b * c", 7, true);
iStat += EqnTestInt("a * b + c", 5, true);
iStat += EqnTestInt("a<b && b>10", 0, true);
iStat += EqnTestInt("a<b && b<10", 1, true);
iStat += EqnTestInt("a + b << c", 17, true);
iStat += EqnTestInt("a << b + c", 7, true);
iStat += EqnTestInt("c * b < a", 0, true);
iStat += EqnTestInt("c * b == 6 * a", 1, true);
if (iStat==0)
*m_stream << "passed" << endl;
else
*m_stream << "\n failed with " << iStat << " errors" << endl;
return iStat;
}
//---------------------------------------------------------------------------
int ParserTester::TestNames()
{
int iStat= 0,
iErr = 0;
*m_stream << "testing name restriction enforcement...";
Parser p;
#define PARSER_THROWCHECK(DOMAIN, FAIL, EXPR, ARG) \
iErr = 0; \
ParserTester::c_iCount++; \
try \
{ \
p.Define##DOMAIN(EXPR, ARG); \
} \
catch(Parser::exception_type&) \
{ \
iErr = (FAIL==false) ? 0 : 1; \
} \
iStat += iErr;
// constant names
PARSER_THROWCHECK(Const, false, "0a", 1)
PARSER_THROWCHECK(Const, false, "9a", 1)
PARSER_THROWCHECK(Const, false, "+a", 1)
PARSER_THROWCHECK(Const, false, "-a", 1)
PARSER_THROWCHECK(Const, false, "a-", 1)
PARSER_THROWCHECK(Const, false, "a*", 1)
PARSER_THROWCHECK(Const, false, "a?", 1)
PARSER_THROWCHECK(Const, false, "a?", 1)
PARSER_THROWCHECK(Const, false, "a?", 1)
PARSER_THROWCHECK(Const, true, "a", 1)
PARSER_THROWCHECK(Const, true, "a_min", 1)
PARSER_THROWCHECK(Const, true, "a_min0", 1)
PARSER_THROWCHECK(Const, true, "a_min9", 1)
// variable names
value_type a;
p.ClearConst();
PARSER_THROWCHECK(Var, false, "9a", &a)
PARSER_THROWCHECK(Var, false, "0a", &a)
PARSER_THROWCHECK(Var, false, "+a", &a)
PARSER_THROWCHECK(Var, false, "-a", &a)
PARSER_THROWCHECK(Var, false, "?a", &a)
PARSER_THROWCHECK(Var, false, "!a", &a)
PARSER_THROWCHECK(Var, false, "a+", &a)
PARSER_THROWCHECK(Var, false, "a-", &a)
PARSER_THROWCHECK(Var, false, "a*", &a)
PARSER_THROWCHECK(Var, false, "a?", &a)
PARSER_THROWCHECK(Var, true, "a", &a)
PARSER_THROWCHECK(Var, true, "a_min", &a)
PARSER_THROWCHECK(Var, true, "a_min0", &a)
PARSER_THROWCHECK(Var, true, "a_min9", &a)
PARSER_THROWCHECK(Var, false, "a_min9", 0)
// Postfix operators
// fail
PARSER_THROWCHECK(PostfixOprt, false, "(k", f1of1)
PARSER_THROWCHECK(PostfixOprt, false, "9+", f1of1)
PARSER_THROWCHECK(PostfixOprt, false, "+", 0)
// pass
PARSER_THROWCHECK(PostfixOprt, true, "-a", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "?a", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "_", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "#", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "&&", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "||", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "&", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "|", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "++", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "--", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "?>", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "?<", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "**", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "xor", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "and", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "or", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "not", f1of1)
PARSER_THROWCHECK(PostfixOprt, true, "!", f1of1)
// Binary operator
// The following must fail with builtin operators activated
// p.EnableBuiltInOp(true); -> this is the default
PARSER_THROWCHECK(Oprt, false, "+", f1of2)
PARSER_THROWCHECK(Oprt, false, "-", f1of2)
PARSER_THROWCHECK(Oprt, false, "*", f1of2)
PARSER_THROWCHECK(Oprt, false, "/", f1of2)
// without activated built in operators it should work
p.EnableBuiltInOprt(false);
PARSER_THROWCHECK(Oprt, true, "+", f1of2)
PARSER_THROWCHECK(Oprt, true, "-", f1of2)
PARSER_THROWCHECK(Oprt, true, "*", f1of2)
PARSER_THROWCHECK(Oprt, true, "/", f1of2)
#undef PARSER_THROWCHECK
if (iStat==0)
*m_stream << "passed" << endl;
else
*m_stream << "\n failed with " << iStat << " errors" << endl;
return iStat;
}
//---------------------------------------------------------------------------
int ParserTester::TestSyntax()
{
int iStat = 0;
*m_stream << "testing syntax engine...";
iStat += EqnTest("(1+ 2*a)", 3, true); // Spaces within formula
iStat += EqnTest("(2+", 0, false); // missing closing bracket
iStat += EqnTest("2++4", 0, false); // unexpected operator
iStat += EqnTest("2+-4", 0, false); // unexpected operator
iStat += EqnTest("(2+)", 0, false); // unexpected closing bracket
iStat += EqnTest("--2", 0, false); // double sign
iStat += EqnTest("ksdfj", 0, false); // unknown token
iStat += EqnTest("()", 0, false); // empty bracket
iStat += EqnTest("sin(cos)", 0, false); // unexpected function
iStat += EqnTest("5t6", 0, false); // unknown token
iStat += EqnTest("5 t 6", 0, false); // unknown token
iStat += EqnTest("8*", 0, false); // unexpected end of formula
iStat += EqnTest(",3", 0, false); // unexpected comma
iStat += EqnTest("3,5", 0, false); // unexpected comma
iStat += EqnTest("sin(8,8)", 0, false); // too many function args
iStat += EqnTest("(7,8)", 0, false); // too many function args
iStat += EqnTest("sin)", 0, false); // unexpected closing bracket
iStat += EqnTest("a)", 0, false); // unexpected closing bracket
iStat += EqnTest("pi)", 0, false); // unexpected closing bracket
iStat += EqnTest("sin(())", 0, false); // unexpected closing bracket
iStat += EqnTest("sin()", 0, false); // unexpected closing bracket
if (iStat==0)
*m_stream << "passed" << endl;
else
*m_stream << "\n failed with " << iStat << " errors" << endl;
return iStat;
}
//---------------------------------------------------------------------------
int ParserTester::TestVarConst()
{
int iStat = 0;
*m_stream << "testing variable/constant name recognition...";
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