AlexNenko: Created page with ' // main1.cpp - demonstrates standard usage of asserts #include #include int main() { int x = 3; cout << "Hello, world !\n"; …'

2010-11-26T15:13:04Z

Created page with ' // main1.cpp - demonstrates standard usage of asserts #include <iostream> #include <cassert> int main() { int x = 3; cout << "Hello, world !\n"; …'

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// main1.cpp - demonstrates standard usage of asserts
#include <iostream>
#include <cassert>
int main() {
int x = 3;
cout << "Hello, world !\n";
 assert( x == 4); // aborts here with message "Assertion failed: x == 4, file main1.cpp, line 7
return x;
}

// main2.cpp - demonstrates how to avoid aborting a program
#include <iostream>
#include <cassert_warn>
int main() {
int x = 3;
cout << "Hello, world !\n";
assert( x == 4); // print "Assertion failed: x == 4, file main.cpp, line 7
return x; // ... and immediately returns successfully
}

// main3.cpp - demonstrates how to avoid aborting a program
#include <iostream>
#include <cassert_pause>
int main() {
int x = 3;
cout << "Hello, world !\n";
assert( x == 4); // print "Assertion failed: x == 4, file main.cpp, line 7
return x; // print "Press any key to continue ..." and waits for keypress
}

// main4.cpp - demonstrates how to modify asserts on per statement basis
#include <iostream>
#include <cassert_exodus>
int main() {
int x = 3;
cout << "Hello, world !\n";
 assert( x == 4); // aborts here with message "Assertion failed: x == 4, file main1.cpp, line 7
return x;
}

// main5.cpp - demonstrates how to modify asserts on per statement basis
#include <iostream>
#include <cassert_exodus>
int main() {
int x = 3;
cout << "Hello, world !\n";
 assert_warn( x == 4); // print "Assertion failed: x == 4, file main.cpp, line 7
return x; // ... and immediately returns successfully
}

// main6.cpp - demonstrates how to modify asserts on per statement basis
#include <iostream>
#include <cassert_exodus>
int main() {
int x = 3;
cout << "Hello, world !\n";
 assert_pause( x == 4); // print "Assertion failed: x == 4, file main.cpp, line 7
return x; // print "Press any key to continue ..." and waits for keypress
}

Assert examples - Revision history

AlexNenko: Created page with ' // main1.cpp - demonstrates standard usage of asserts #include #include int main() { int x = 3; cout << "Hello, world !\n"; …'