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/*
* eiffel.cc - a test/example for eiffel.h
*
* Copyright (c) 1997 Phil Maker
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: eiffel.cc,v 1.1.1.1 1997/11/23 11:45:50 pjm Exp $
*/
#include <stdio.h>
#define I_DEFAULT_HANDLER(e,f,l,p) printf("fail")
#include "../src/eiffel.h"
#include "check.h"
#define odd(n) ((n % 2) == 1)
#define even(n) ((n % 2) == 0)
class T {
int i;
public:
T(int);
bool invariant(); // class invariant
void up(int n);
void down(int n);
};
bool T::invariant() {
return i >= 0;
}
T::T(int j) {
i = j;
}
void T::up(int n) {
REQUIRE(even(n));
i += n ;
ENSURE(n == n);
}
void T::down(int n) {
REQUIRE(odd(n));
i -= n;
ENSURE(n == n);
}
T t = 1;
main() {
CHECKMESSAGE("* eiffel.cc");
CHECKEMPTY(t.up(4)); // precondition ok + invariant ok
CHECKEMPTY(t.down(1)); // precondition ok + invariant ok
CHECKFAIL(t.down(2)); // precondition fail + invariant ok
CHECKFAIL(t.up(3)); // precondition fail + invariant ok
CHECKEMPTY(t.down(3)); // precondition ok + invariant ok
CHECKFAIL(t.down(105)); // precondition ok + invariant fail
}
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