/*
 * tests.cpp
 *
 *  Created on: Sep 15, 2010
 *      Author: mike
 */

#include "tests.hpp"

//================================================================================
// getTester leaves the trailing \n in the input stream.
// A. Fischer, April 2001                                            file: get.cpp
//--------------------------------------------------------------------------------

void getTester::run()
{
    cout <<"\nUsing get to read entire lines.\n";
    char buf[80];
    while (instr.good() ){
        instr >> ws;                // Without this line, it is an infinite loop.
        instr.get( buf, 80 );
        cout <<instr.rdstate() <<" = ";
        cout <<instr.good() <<":" <<instr.eof() <<":" <<instr.fail() <<":"
             <<instr.bad() <<": ";
        if (!instr.fail() && !instr.bad()) cout << buf << endl;
    }
    if ( instr.eof() ) cout << "-----------------------------------\n" ;
    else cout << "Low-level failure; stream corrupted.\n" ;
}


//================================================================================
// getlineTester removes the trailing \n from the stream and discards it.
// A. Fischer, April 2001                                        file: getline.cpp
//--------------------------------------------------------------------------------

void getlineTester::run()
{
    cout <<"\nUsing getline to read entire lines.\n";
    char buf[80];
    while (instr.good()) {
        instr.getline( buf, 80 );
        cout <<instr.rdstate() <<" = ";
        cout << instr.good() <<":" << instr.eof() <<":" << instr.fail() <<":"
             << instr.bad() <<": ";
        if (!instr.fail()) cout << buf << endl;
    }
    cout << "-----------------------------------\n";
}
//================================================================================
// numsTester handles conflicts between input data type and expected data type like this.
// A. Fischer, April 2001                                         file: getnum.cpp
//--------------------------------------------------------------------------------


void numsTester::run()
{
    cout <<"\nReading numbers.\n";
    int number;
    for(;;) {
        instr >> number;
        cout <<instr.good() <<":" <<instr.eof()<<":"<<instr.fail()<<":"<<instr.bad()<<": ";
        if (instr.good()) cout << number << endl;
        else if (instr.eof() ) break;
        else if (instr.fail()) {        // Without these three lines
           instr.clear();               // an alphabetic character in the input
           instr.ignore(1);             // stream causes an infinite loop.
        }
        else if (instr.bad())           // Abort after an unrecoverable stream error.
            fatal( "Bad error while reading input stream." );
    }
    cout << "-----------------------------------\n" ;
}